openapi: 3.0.0
info:
  title: MTG Search API
  version: 0.1.0
  description: Magic The Gathering Card Search REST API
  contact:
    name: API Support
    url: https://github.com/example/mtg-search
  license:
    name: MIT

servers:
  - url: http://localhost:8080
    description: Development server
  - url: https://api.mtgsearch.example.com
    description: Production server

paths:
  /api/v1/auth/register:
    post:
      tags:
        - Authentication
      summary: Register a new user
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RegisterRequest'
      responses:
        '201':
          description: User registered successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserResponse'
        '400':
          description: Invalid input
        '409':
          description: User already exists

  /api/v1/auth/login:
    post:
      tags:
        - Authentication
      summary: Login user
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LoginRequest'
      responses:
        '200':
          description: Login successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LoginResponse'
        '401':
          description: Invalid credentials
        '500':
          description: Server error

  /api/v1/auth/health:
    get:
      tags:
        - Health
      summary: Health check
      responses:
        '200':
          description: Service is healthy
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'

components:
  schemas:
    RegisterRequest:
      type: object
      required:
        - username
        - email
        - password
      properties:
        username:
          type: string
          minLength: 3
          maxLength: 100
          example: john_doe
        email:
          type: string
          format: email
          example: john@example.com
        password:
          type: string
          format: password
          minLength: 8
          example: SecurePassword123!

    LoginRequest:
      type: object
      required:
        - username
        - password
      properties:
        username:
          type: string
          example: john_doe
        password:
          type: string
          format: password
          example: SecurePassword123!

    UserResponse:
      type: object
      properties:
        id:
          type: integer
          format: int64
        username:
          type: string
        email:
          type: string
        message:
          type: string
        error:
          type: string

    LoginResponse:
      type: object
      properties:
        token:
          type: string
          description: JWT token for authentication
        id:
          type: integer
          format: int64
        username:
          type: string
        email:
          type: string
        error:
          type: string

    HealthResponse:
      type: object
      properties:
        status:
          type: string
          enum:
            - ok

  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

security:
  - bearerAuth: []