OpenAPI/Swagger Samples

openapi: 3.0.0
info:
  title: Pet Store API
  description: A simple pet store management API
  version: 1.0.0
  contact:
    name: API Support
    email: support@petstore.com
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT

servers:
  - url: https://api.petstore.com/v1
    description: Production server
  - url: https://staging-api.petstore.com/v1
    description: Staging server

paths:
  /pets:
    get:
      summary: List all pets
      description: Returns a list of all pets in the store
      parameters:
        - name: limit
          in: query
          description: Maximum number of pets to return
          required: false
          schema:
            type: integer
            default: 20
            minimum: 1
            maximum: 100
        - name: status
          in: query
          description: Filter by pet status
          required: false
          schema:
            type: string
            enum: [available, pending, sold]
      responses:
        '200':
          description: A list of pets
          content:
            application/json:
              schema:
                type: object
                properties:
                  pets:
                    type: array
                    items:
                      $ref: '#/components/schemas/Pet'
                  total:
                    type: integer
                    example: 42
        '400':
          $ref: '#/components/responses/BadRequest'
        '500':
          $ref: '#/components/responses/InternalServerError'

    post:
      summary: Add a new pet to the store
      description: Creates a new pet in the store
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/NewPet'
      responses:
        '201':
          description: Pet created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Pet'
        '400':
          $ref: '#/components/responses/BadRequest'
        '500':
          $ref: '#/components/responses/InternalServerError'

  /pets/{petId}:
    get:
      summary: Get pet by ID
      description: Returns a single pet by its ID
      parameters:
        - name: petId
          in: path
          required: true
          description: ID of the pet to retrieve
          schema:
            type: integer
            format: int64
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Pet'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'

    put:
      summary: Update an existing pet
      description: Updates pet information
      parameters:
        - name: petId
          in: path
          required: true
          description: ID of the pet to update
          schema:
            type: integer
            format: int64
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/NewPet'
      responses:
        '200':
          description: Pet updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Pet'
        '404':
          $ref: '#/components/responses/NotFound'
        '400':
          $ref: '#/components/responses/BadRequest'

    delete:
      summary: Delete a pet
      description: Deletes a pet from the store
      parameters:
        - name: petId
          in: path
          required: true
          description: ID of the pet to delete
          schema:
            type: integer
            format: int64
      responses:
        '204':
          description: Pet deleted successfully
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'

components:
  schemas:
    Pet:
      type: object
      required:
        - id
        - name
        - status
      properties:
        id:
          type: integer
          format: int64
          example: 123
          readOnly: true
        name:
          type: string
          example: "Buddy"
          minLength: 1
          maxLength: 100
        category:
          $ref: '#/components/schemas/Category'
        status:
          type: string
          enum: [available, pending, sold]
          example: "available"
        tags:
          type: array
          items:
            $ref: '#/components/schemas/Tag'
        photoUrls:
          type: array
          items:
            type: string
            format: uri
          example: ["https://example.com/photos/123.jpg"]

    NewPet:
      type: object
      required:
        - name
        - status
      properties:
        name:
          type: string
          example: "Buddy"
          minLength: 1
          maxLength: 100
        category:
          $ref: '#/components/schemas/Category'
        status:
          type: string
          enum: [available, pending, sold]
          example: "available"
        tags:
          type: array
          items:
            $ref: '#/components/schemas/Tag'
        photoUrls:
          type: array
          items:
            type: string
            format: uri

    Category:
      type: object
      properties:
        id:
          type: integer
          format: int64
          example: 1
        name:
          type: string
          example: "Dogs"
          maxLength: 50

    Tag:
      type: object
      properties:
        id:
          type: integer
          format: int64
          example: 1
        name:
          type: string
          example: "friendly"
          maxLength: 50

    Error:
      type: object
      required:
        - code
        - message
      properties:
        code:
          type: integer
          format: int32
        message:
          type: string
          example: "Validation failed"

  responses:
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key for authentication

security:
  - ApiKeyAuth: []

openapi: 3.0.1
info:
  title: User Management API
  description: API for managing users, roles, and permissions
  version: 2.1.0
  contact:
    name: Developer Team
    email: dev@company.com
    url: https://company.com/contact
  termsOfService: https://company.com/terms
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0

servers:
  - url: https://api.company.com/v2
    description: Production server
  - url: https://staging-api.company.com/v2
    description: Staging server
  - url: https://dev-api.company.com/v2
    description: Development server

tags:
  - name: users
    description: Operations about users
  - name: auth
    description: Authentication operations
  - name: roles
    description: Role management operations

paths:
  /auth/login:
    post:
      tags:
        - auth
      summary: User login
      description: Authenticates a user and returns access tokens
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LoginRequest'
            examples:
              user_login:
                summary: User login
                value:
                  email: "[email protected]"
                  password: "securePassword123"
              admin_login:
                summary: Admin login
                value:
                  email: "[email protected]"
                  password: "adminPassword123"
      responses:
        '200':
          description: Login successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LoginResponse'
              examples:
                user_response:
                  summary: User token response
                  value:
                    accessToken: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
                    refreshToken: "def50200f8b75b3a85b78e2686e6df8..."
                    expiresIn: 3600
                    tokenType: "Bearer"
                    user:
                      id: 123
                      email: "[email protected]"
                      roles: ["user"]
        '401':
          $ref: '#/components/responses/Unauthorized'
        '400':
          $ref: '#/components/responses/ValidationError'

  /auth/refresh:
    post:
      tags:
        - auth
      summary: Refresh access token
      description: Uses refresh token to generate new access token
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RefreshTokenRequest'
      responses:
        '200':
          description: Token refreshed successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'

  /users:
    get:
      tags:
        - users
      summary: List users
      description: Returns a paginated list of users
      security:
        - bearerAuth: []
      parameters:
        - name: page
          in: query
          description: Page number
          required: false
          schema:
            type: integer
            minimum: 1
            default: 1
        - name: limit
          in: query
          description: Number of users per page
          required: false
          schema:
            type: integer
            minimum: 1
            maximum: 100
            default: 20
        - name: search
          in: query
          description: Search term for users
          required: false
          schema:
            type: string
            minLength: 1
            maxLength: 100
        - name: role
          in: query
          description: Filter by role
          required: false
          schema:
            type: string
            enum: [user, admin, moderator]
        - name: status
          in: query
          description: Filter by status
          required: false
          schema:
            type: string
            enum: [active, inactive, suspended]
      responses:
        '200':
          description: Users retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserListResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'

    post:
      tags:
        - users
      summary: Create user
      description: Creates a new user account
      security:
        - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateUserRequest'
      responses:
        '201':
          description: User created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserResponse'
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '409':
          $ref: '#/components/responses/Conflict'

  /users/{userId}:
    get:
      tags:
        - users
      summary: Get user by ID
      description: Returns detailed information about a specific user
      security:
        - bearerAuth: []
      parameters:
        - name: userId
          in: path
          required: true
          description: User ID
          schema:
            type: integer
            format: int64
      responses:
        '200':
          description: User retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserResponse'
        '404':
          $ref: '#/components/responses/NotFound'
        '401':
          $ref: '#/components/responses/Unauthorized'

    put:
      tags:
        - users
      summary: Update user
      description: Updates user information
      security:
        - bearerAuth: []
      parameters:
        - name: userId
          in: path
          required: true
          description: User ID
          schema:
            type: integer
            format: int64
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateUserRequest'
      responses:
        '200':
          description: User updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserResponse'
        '404':
          $ref: '#/components/responses/NotFound'
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'

    delete:
      tags:
        - users
      summary: Delete user
      description: Deletes a user account
      security:
        - bearerAuth: []
      parameters:
        - name: userId
          in: path
          required: true
          description: User ID
          schema:
            type: integer
            format: int64
      responses:
        '204':
          description: User deleted successfully
        '404':
          $ref: '#/components/responses/NotFound'
        '401':
          $ref: '#/components/responses/Unauthorized'

  /users/{userId}/roles:
    get:
      tags:
        - users
      summary: Get user roles
      description: Returns all roles assigned to a user
      security:
        - bearerAuth: []
      parameters:
        - name: userId
          in: path
          required: true
          description: User ID
          schema:
            type: integer
            format: int64
      responses:
        '200':
          description: User roles retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserRolesResponse'

components:
  schemas:
    User:
      type: object
      required:
        - id
        - email
        - firstName
        - lastName
        - status
        - createdAt
      properties:
        id:
          type: integer
          format: int64
          example: 123
          readOnly: true
        email:
          type: string
          format: email
          example: "[email protected]"
          maxLength: 255
        firstName:
          type: string
          example: "John"
          minLength: 1
          maxLength: 100
        lastName:
          type: string
          example: "Doe"
          minLength: 1
          maxLength: 100
        avatar:
          type: string
          format: uri
          example: "https://example.com/avatars/123.jpg"
          nullable: true
        status:
          type: string
          enum: [active, inactive, suspended]
          example: "active"
        roles:
          type: array
          items:
            $ref: '#/components/schemas/Role'
          example:
            - id: 1
              name: "user"
        lastLoginAt:
          type: string
          format: date-time
          nullable: true
          example: "2025-11-30T10:30:00Z"
        createdAt:
          type: string
          format: date-time
          readOnly: true
          example: "2025-01-15T09:00:00Z"
        updatedAt:
          type: string
          format: date-time
          readOnly: true
          example: "2025-11-29T14:20:00Z"

    CreateUserRequest:
      type: object
      required:
        - email
        - firstName
        - lastName
        - password
      properties:
        email:
          type: string
          format: email
          example: "[email protected]"
          maxLength: 255
        firstName:
          type: string
          example: "Jane"
          minLength: 1
          maxLength: 100
        lastName:
          type: string
          example: "Smith"
          minLength: 1
          maxLength: 100
        password:
          type: string
          format: password
          example: "securePassword123"
          minLength: 8
          maxLength: 128
        roleIds:
          type: array
          items:
            type: integer
            format: int64
          example: [1]
          default: [1]

    UpdateUserRequest:
      type: object
      properties:
        firstName:
          type: string
          example: "Jane"
          minLength: 1
          maxLength: 100
        lastName:
          type: string
          example: "Smith"
          minLength: 1
          maxLength: 100
        avatar:
          type: string
          format: uri
          example: "https://example.com/avatars/456.jpg"
          nullable: true
        status:
          type: string
          enum: [active, inactive, suspended]
          example: "active"

    LoginRequest:
      type: object
      required:
        - email
        - password
      properties:
        email:
          type: string
          format: email
          example: "[email protected]"
        password:
          type: string
          format: password
          example: "securePassword123"

    LoginResponse:
      type: object
      required:
        - accessToken
        - refreshToken
        - expiresIn
        - tokenType
        - user
      properties:
        accessToken:
          type: string
          example: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
        refreshToken:
          type: string
          example: "def50200f8b75b3a85b78e2686e6df8..."
        expiresIn:
          type: integer
          example: 3600
        tokenType:
          type: string
          example: "Bearer"
        user:
          $ref: '#/components/schemas/User'

    TokenResponse:
      type: object
      required:
        - accessToken
        - expiresIn
        - tokenType
      properties:
        accessToken:
          type: string
          example: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
        expiresIn:
          type: integer
          example: 3600
        tokenType:
          type: string
          example: "Bearer"

    RefreshTokenRequest:
      type: object
      required:
        - refreshToken
      properties:
        refreshToken:
          type: string
          example: "def50200f8b75b3a85b78e2686e6df8..."

    UserListResponse:
      type: object
      required:
        - users
        - pagination
      properties:
        users:
          type: array
          items:
            $ref: '#/components/schemas/User'
        pagination:
          $ref: '#/components/schemas/Pagination'

    UserResponse:
      type: object
      required:
        - user
      properties:
        user:
          $ref: '#/components/schemas/User'

    UserRolesResponse:
      type: object
      required:
        - userId
        - roles
      properties:
        userId:
          type: integer
          format: int64
          example: 123
        roles:
          type: array
          items:
            $ref: '#/components/schemas/Role'

    Role:
      type: object
      required:
        - id
        - name
      properties:
        id:
          type: integer
          format: int64
          example: 1
        name:
          type: string
          example: "user"
        description:
          type: string
          example: "Regular user role"
          nullable: true
        permissions:
          type: array
          items:
            type: string
          example: ["read:profile", "write:profile"]

    Pagination:
      type: object
      required:
        - page
        - limit
        - total
        - totalPages
      properties:
        page:
          type: integer
          example: 1
        limit:
          type: integer
          example: 20
        total:
          type: integer
          example: 125
        totalPages:
          type: integer
          example: 7

    Error:
      type: object
      required:
        - error
      properties:
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
              example: "VALIDATION_ERROR"
            message:
              type: string
              example: "Validation failed"
            details:
              type: array
              items:
                type: object
                properties:
                  field:
                    type: string
                    example: "email"
                  message:
                    type: string
                    example: "Email is required"

  responses:
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    Forbidden:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    Conflict:
      description: Resource conflict
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    ValidationError:
      description: Validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: JWT access token

security:
  - bearerAuth: []

openapi: 3.0.3
info:
  title: E-commerce Platform API
  description: Comprehensive e-commerce API with product catalog, shopping cart, orders, payments, and inventory management
  version: 3.2.0
  contact:
    name: API Team
    email: api@ecommerce.com
    url: https://ecommerce.com/api-docs
  termsOfService: https://ecommerce.com/terms
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT

servers:
  - url: https://api.ecommerce.com/v3
    description: Production server
  - url: https://staging-api.ecommerce.com/v3
    description: Staging server
  - url: https://sandbox-api.ecommerce.com/v3
    description: Sandbox environment

tags:
  - name: products
    description: Product catalog operations
  - name: cart
    description: Shopping cart operations
  - name: orders
    description: Order management operations
  - name: payments
    description: Payment processing operations
  - name: inventory
    description: Inventory management operations

paths:
  /products:
    get:
      tags:
        - products
      summary: List products
      description: Returns a paginated list of products with filtering and sorting options
      security:
        - apiKeyAuth: []
      parameters:
        - name: page
          in: query
          schema:
            type: integer
            minimum: 1
            default: 1
        - name: limit
          in: query
          schema:
            type: integer
            minimum: 1
            maximum: 100
            default: 20
        - name: category
          in: query
          schema:
            type: string
        - name: minPrice
          in: query
          schema:
            type: number
            format: float
            minimum: 0
        - name: maxPrice
          in: query
          schema:
            type: number
            format: float
            minimum: 0
        - name: search
          in: query
          schema:
            type: string
        - name: sortBy
          in: query
          schema:
            type: string
            enum: [price, name, created_at, rating]
            default: created_at
        - name: sortOrder
          in: query
          schema:
            type: string
            enum: [asc, desc]
            default: desc
        - name: inStock
          in: query
          schema:
            type: boolean
        - name: tags
          in: query
          style: form
          explode: false
          schema:
            type: array
            items:
              type: string
      responses:
        '200':
          description: Products retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProductListResponse'
              examples:
                electronics_filter:
                  summary: Products filtered by electronics category
                  value:
                    products:
                      - id: 1
                        name: "Smartphone X"
                        price: 699.99
                        category: "Electronics"
                        inStock: true
                        rating: 4.5
                        images:
                          - "https://example.com/products/1/image1.jpg"
                    pagination:
                      page: 1
                      limit: 20
                      total: 45
                      totalPages: 3

    post:
      tags:
        - products
      summary: Create product
      description: Creates a new product in the catalog
      security:
        - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateProductRequest'
            multipart/form-data:
              schema:
                $ref: '#/components/schemas/CreateProductFormData'
      responses:
        '201':
          description: Product created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProductResponse'

  /products/{productId}:
    get:
      tags:
        - products
      summary: Get product by ID
      description: Returns detailed information about a specific product
      security:
        - apiKeyAuth: []
      parameters:
        - name: productId
          in: path
          required: true
          schema:
            type: string
            format: uuid
      responses:
        '200':
          description: Product retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProductDetailResponse'
        '404':
          $ref: '#/components/responses/NotFound'

    put:
      tags:
        - products
      summary: Update product
      description: Updates product information
      security:
        - bearerAuth: []
      parameters:
        - name: productId
          in: path
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateProductRequest'
      responses:
        '200':
          description: Product updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProductResponse'

    delete:
      tags:
        - products
      summary: Delete product
      description: Removes a product from the catalog
      security:
        - bearerAuth: []
      parameters:
        - name: productId
          in: path
          required: true
          schema:
            type: string
            format: uuid
      responses:
        '204':
          description: Product deleted successfully

  /cart:
    get:
      tags:
        - cart
      summary: Get shopping cart
      description: Returns the current user's shopping cart
      security:
        - bearerAuth: []
      responses:
        '200':
          description: Shopping cart retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CartResponse'

    post:
      tags:
        - cart
      summary: Add item to cart
      description: Adds a product to the shopping cart
      security:
        - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AddToCartRequest'
      responses:
        '201':
          description: Item added to cart successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CartItemResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'

    put:
      tags:
        - cart
      summary: Update cart item quantity
      description: Updates the quantity of an item in the cart
      security:
        - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateCartItemRequest'
      responses:
        '200':
          description: Cart item updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CartItemResponse'

    delete:
      tags:
        - cart
      summary: Remove item from cart
      description: Removes an item from the shopping cart
      security:
        - bearerAuth: []
      parameters:
        - name: itemId
          in: query
          required: true
          schema:
            type: string
            format: uuid
      responses:
        '204':
          description: Item removed from cart

  /orders:
    get:
      tags:
        - orders
      summary: List orders
      description: Returns a paginated list of user orders
      security:
        - bearerAuth: []
      parameters:
        - name: page
          in: query
          schema:
            type: integer
            minimum: 1
            default: 1
        - name: limit
          in: query
          schema:
            type: integer
            minimum: 1
            maximum: 50
            default: 20
        - name: status
          in: query
          schema:
            type: string
            enum: [pending, processing, shipped, delivered, cancelled]
        - name: dateFrom
          in: query
          schema:
            type: string
            format: date
        - name: dateTo
          in: query
          schema:
            type: string
            format: date
      responses:
        '200':
          description: Orders retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderListResponse'

    post:
      tags:
        - orders
      summary: Create order
      description: Creates a new order from the shopping cart
      security:
        - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateOrderRequest'
      responses:
        '201':
          description: Order created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderResponse'

  /orders/{orderId}:
    get:
      tags:
        - orders
      summary: Get order by ID
      description: Returns detailed information about a specific order
      security:
        - bearerAuth: []
      parameters:
        - name: orderId
          in: path
          required: true
          schema:
            type: string
            format: uuid
      responses:
        '200':
          description: Order retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderDetailResponse'

  /payments:
    post:
      tags:
        - payments
      summary: Process payment
      description: Processes payment for an order
      security:
        - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PaymentRequest'
      responses:
        '200':
          description: Payment processed successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaymentResponse'
        '400':
          $ref: '#/components/responses/PaymentError'
        '402':
          $ref: '#/components/responses/PaymentFailed'

components:
  schemas:
    Product:
      type: object
      required:
        - id
        - name
        - price
        - category
        - inStock
        - createdAt
      properties:
        id:
          type: string
          format: uuid
          example: "550e8400-e29b-41d4-a716-446655440000"
          readOnly: true
        name:
          type: string
          example: "Wireless Headphones"
          maxLength: 200
        description:
          type: string
          example: "Premium noise-cancelling wireless headphones"
          maxLength: 1000
        price:
          type: number
          format: float
          example: 199.99
          minimum: 0
        originalPrice:
          type: number
          format: float
          example: 299.99
          nullable: true
        currency:
          type: string
          example: "USD"
          default: "USD"
        category:
          type: string
          example: "Electronics"
        subcategory:
          type: string
          example: "Audio"
          nullable: true
        brand:
          type: string
          example: "TechBrand"
          maxLength: 100
        sku:
          type: string
          example: "WH-NC-001"
          maxLength: 50
        images:
          type: array
          items:
            type: string
            format: uri
          maxItems: 10
        tags:
          type: array
          items:
            type: string
          maxItems: 20
        inStock:
          type: boolean
          example: true
        inventory:
          type: integer
          example: 150
          minimum: 0
        weight:
          type: number
          format: float
          example: 0.5
          nullable: true
        dimensions:
          $ref: '#/components/schemas/Dimensions'
        rating:
          type: number
          format: float
          example: 4.5
          minimum: 0
          maximum: 5
        reviewCount:
          type: integer
          example: 328
          minimum: 0
        createdAt:
          type: string
          format: date-time
          readOnly: true
        updatedAt:
          type: string
          format: date-time
          readOnly: true

    Dimensions:
      type: object
      properties:
        length:
          type: number
          format: float
          example: 7.5
        width:
          type: number
          format: float
          example: 6.2
        height:
          type: number
          format: float
          example: 3.1
        unit:
          type: string
          example: "inches"
          default: "inches"

    CreateProductRequest:
      type: object
      required:
        - name
        - price
        - category
        - inventory
      properties:
        name:
          type: string
          example: "Wireless Headphones"
          maxLength: 200
        description:
          type: string
          example: "Premium noise-cancelling wireless headphones"
          maxLength: 1000
        price:
          type: number
          format: float
          example: 199.99
          minimum: 0
        originalPrice:
          type: number
          format: float
          example: 299.99
          nullable: true
        category:
          type: string
          example: "Electronics"
        subcategory:
          type: string
          example: "Audio"
          nullable: true
        brand:
          type: string
          example: "TechBrand"
          maxLength: 100
        sku:
          type: string
          example: "WH-NC-001"
          maxLength: 50
        tags:
          type: array
          items:
            type: string
          maxItems: 20
        inventory:
          type: integer
          example: 150
          minimum: 0
        weight:
          type: number
          format: float
          example: 0.5
          nullable: true
        dimensions:
          $ref: '#/components/schemas/Dimensions'

    CreateProductFormData:
      type: object
      required:
        - name
        - price
        - category
        - inventory
      properties:
        name:
          type: string
          maxLength: 200
        description:
          type: string
          maxLength: 1000
        price:
          type: number
          format: float
          minimum: 0
        category:
          type: string
        inventory:
          type: integer
          minimum: 0
        images:
          type: array
          items:
            type: string
            format: binary

    UpdateProductRequest:
      allOf:
        - $ref: '#/components/schemas/CreateProductRequest'

    ProductResponse:
      type: object
      required:
        - product
      properties:
        product:
          $ref: '#/components/schemas/Product'

    ProductListResponse:
      type: object
      required:
        - products
        - pagination
      properties:
        products:
          type: array
          items:
            $ref: '#/components/schemas/Product'
        pagination:
          $ref: '#/components/schemas/Pagination'
        filters:
          type: object
          properties:
            applied:
              type: array
              items:
                type: string
            available:
              type: array
              items:
                type: string

    ProductDetailResponse:
      type: object
      required:
        - product
      properties:
        product:
          $ref: '#/components/schemas/Product'
        relatedProducts:
          type: array
          items:
            $ref: '#/components/schemas/Product'
        reviews:
          type: array
          items:
            $ref: '#/components/schemas/Review'

    Cart:
      type: object
      required:
        - id
        - items
        - subtotal
        - tax
        - total
        - currency
      properties:
        id:
          type: string
          format: uuid
          example: "550e8400-e29b-41d4-a716-446655440000"
          readOnly: true
        items:
          type: array
          items:
            $ref: '#/components/schemas/CartItem'
        subtotal:
          type: number
          format: float
          example: 89.97
        tax:
          type: number
          format: float
          example: 7.20
        shipping:
          type: number
          format: float
          example: 5.99
        discount:
          type: number
          format: float
          example: 10.00
        total:
          type: number
          format: float
          example: 93.16
        currency:
          type: string
          example: "USD"
        createdAt:
          type: string
          format: date-time
          readOnly: true
        updatedAt:
          type: string
          format: date-time
          readOnly: true

    CartItem:
      type: object
      required:
        - id
        - product
        - quantity
        - unitPrice
        - totalPrice
      properties:
        id:
          type: string
          format: uuid
          example: "550e8400-e29b-41d4-a716-446655440000"
          readOnly: true
        product:
          $ref: '#/components/schemas/Product'
        quantity:
          type: integer
          example: 2
          minimum: 1
          maximum: 99
        unitPrice:
          type: number
          format: float
          example: 29.99
          readOnly: true
        totalPrice:
          type: number
          format: float
          example: 59.98
          readOnly: true
        addedAt:
          type: string
          format: date-time
          readOnly: true

    AddToCartRequest:
      type: object
      required:
        - productId
        - quantity
      properties:
        productId:
          type: string
          format: uuid
        quantity:
          type: integer
          minimum: 1
          maximum: 99

    UpdateCartItemRequest:
      type: object
      required:
        - itemId
        - quantity
      properties:
        itemId:
          type: string
          format: uuid
        quantity:
          type: integer
          minimum: 1
          maximum: 99

    CartItemResponse:
      type: object
      required:
        - item
      properties:
        item:
          $ref: '#/components/schemas/CartItem'

    CartResponse:
      type: object
      required:
        - cart
      properties:
        cart:
          $ref: '#/components/schemas/Cart'

    Order:
      type: object
      required:
        - id
        - items
        - status
        - total
        - createdAt
      properties:
        id:
          type: string
          format: uuid
          example: "550e8400-e29b-41d4-a716-446655440000"
          readOnly: true
        items:
          type: array
          items:
            $ref: '#/components/schemas/OrderItem'
        status:
          type: string
          enum: [pending, processing, shipped, delivered, cancelled]
          example: "processing"
        subtotal:
          type: number
          format: float
          example: 89.97
        tax:
          type: number
          format: float
          example: 7.20
        shipping:
          type: number
          format: float
          example: 5.99
        discount:
          type: number
          format: float
          example: 10.00
        total:
          type: number
          format: float
          example: 93.16
        currency:
          type: string
          example: "USD"
        shippingAddress:
          $ref: '#/components/schemas/Address'
        billingAddress:
          $ref: '#/components/schemas/Address'
        trackingNumber:
          type: string
          example: "1Z9999W99999999999"
          nullable: true
        estimatedDelivery:
          type: string
          format: date
          example: "2025-12-05"
          nullable: true
        createdAt:
          type: string
          format: date-time
          readOnly: true
        updatedAt:
          type: string
          format: date-time
          readOnly: true

    CreateOrderRequest:
      type: object
      required:
        - shippingAddress
        - billingAddress
        - paymentMethod
      properties:
        shippingAddress:
          $ref: '#/components/schemas/Address'
        billingAddress:
          $ref: '#/components/schemas/Address'
        paymentMethod:
          type: string
          enum: [credit_card, debit_card, paypal, bank_transfer]
        notes:
          type: string
          maxLength: 500

    OrderResponse:
      type: object
      required:
        - order
      properties:
        order:
          $ref: '#/components/schemas/Order'

    OrderDetailResponse:
      type: object
      required:
        - order
      properties:
        order:
          $ref: '#/components/schemas/Order'

    OrderListResponse:
      type: object
      required:
        - orders
        - pagination
      properties:
        orders:
          type: array
          items:
            $ref: '#/components/schemas/Order'
        pagination:
          $ref: '#/components/schemas/Pagination'

    OrderItem:
      type: object
      required:
        - product
        - quantity
        - unitPrice
        - totalPrice
      properties:
        product:
          $ref: '#/components/schemas/Product'
        quantity:
          type: integer
          example: 2
          minimum: 1
        unitPrice:
          type: number
          format: float
          example: 29.99
          readOnly: true
        totalPrice:
          type: number
          format: float
          example: 59.98
          readOnly: true

    Address:
      type: object
      required:
        - street
        - city
        - state
        - postalCode
        - country
      properties:
        street:
          type: string
          example: "123 Main St"
          maxLength: 200
        street2:
          type: string
          example: "Apt 4B"
          maxLength: 200
          nullable: true
        city:
          type: string
          example: "New York"
          maxLength: 100
        state:
          type: string
          example: "NY"
          maxLength: 50
        postalCode:
          type: string
          example: "10001"
          maxLength: 20
        country:
          type: string
          example: "USA"
          maxLength: 50

    PaymentRequest:
      type: object
      required:
        - orderId
        - paymentMethod
        - amount
      properties:
        orderId:
          type: string
          format: uuid
          example: "550e8400-e29b-41d4-a716-446655440000"
        paymentMethod:
          type: string
          enum: [credit_card, debit_card, paypal, bank_transfer]
          example: "credit_card"
        paymentDetails:
          oneOf:
            - $ref: '#/components/schemas/CreditCardPayment'
            - $ref: '#/components/schemas/PayPalPayment'
            - $ref: '#/components/schemas/BankTransferPayment'
        amount:
          type: number
          format: float
          example: 93.16
        currency:
          type: string
          example: "USD"
        savePaymentMethod:
          type: boolean
          example: false

    CreditCardPayment:
      type: object
      required:
        - cardNumber
        - expiryMonth
        - expiryYear
        - cvv
      properties:
        cardNumber:
          type: string
          example: "4111111111111111"
        expiryMonth:
          type: integer
          minimum: 1
          maximum: 12
          example: 12
        expiryYear:
          type: integer
          minimum: 2025
          example: 2030
        cvv:
          type: string
          minLength: 3
          maxLength: 4
          example: "123"
        cardholderName:
          type: string
          example: "John Doe"

    PayPalPayment:
      type: object
      required:
        - email
      properties:
        email:
          type: string
          format: email
          example: "[email protected]"
        payerId:
          type: string
          example: "PAYER12345"

    BankTransferPayment:
      type: object
      required:
        - bankName
        - accountNumber
      properties:
        bankName:
          type: string
          example: "Example Bank"
        accountNumber:
          type: string
          example: "****1234"
        routingNumber:
          type: string
          example: "021000021"

    PaymentResponse:
      type: object
      required:
        - paymentId
        - status
        - amount
        - currency
      properties:
        paymentId:
          type: string
          format: uuid
          example: "550e8400-e29b-41d4-a716-446655440000"
        status:
          type: string
          enum: [pending, processing, completed, failed, cancelled]
          example: "completed"
        transactionId:
          type: string
          example: "txn_1234567890"
          nullable: true
        amount:
          type: number
          format: float
          example: 93.16
        currency:
          type: string
          example: "USD"
        processedAt:
          type: string
          format: date-time
          nullable: true
        receiptUrl:
          type: string
          format: uri
          example: "https://example.com/receipts/txn_1234567890"
          nullable: true

    Pagination:
      type: object
      required:
        - page
        - limit
        - total
        - totalPages
      properties:
        page:
          type: integer
          example: 1
        limit:
          type: integer
          example: 20
        total:
          type: integer
          example: 125
        totalPages:
          type: integer
          example: 7
        hasNext:
          type: boolean
          example: true
        hasPrev:
          type: boolean
          example: false

    Review:
      type: object
      required:
        - id
        - rating
        - comment
        - reviewer
        - createdAt
      properties:
        id:
          type: string
          format: uuid
          example: "550e8400-e29b-41d4-a716-446655440000"
        rating:
          type: integer
          example: 4
          minimum: 1
          maximum: 5
        comment:
          type: string
          example: "Great product, works as expected!"
          maxLength: 1000
        reviewer:
          type: object
          properties:
            name:
              type: string
              example: "John D."
            avatar:
              type: string
              format: uri
              example: "https://example.com/avatars/john.jpg"
        verified:
          type: boolean
          example: true
        helpful:
          type: integer
          example: 12
        createdAt:
          type: string
          format: date-time
          readOnly: true

    Error:
      type: object
      required:
        - error
      properties:
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
              example: "PAYMENT_DECLINED"
            message:
              type: string
              example: "Payment was declined by the processor"
            details:
              type: object
              additionalProperties: true

  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    PaymentFailed:
      description: Payment processing failed
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

    PaymentError:
      description: Payment error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key for public endpoints

    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: JWT access token for authenticated endpoints

security:
  - apiKeyAuth: []
  - bearerAuth: []