openapi: 3.1.0
info:
  title: API Title
  version: 1.0.0
servers:
  - url: https://api.example.com/v1
paths:
  /resources:
    get: ...
components:
  schemas: ...
  securitySchemes: ...

openapi: 3.1.0
info:
  title: User Management API
  description: |
    API for managing users and their profiles.

    ## Authentication
    All endpoints require Bearer token authentication.

    ## Rate Limiting
    - 1000 requests per minute for standard tier
    - 10000 requests per minute for enterprise tier
  version: 2.0.0
  contact:
    name: API Support
    email: api-support@example.com
    url: https://docs.example.com
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT

servers:
  - url: https://api.example.com/v2
    description: Production
  - url: https://staging-api.example.com/v2
    description: Staging
  - url: http://localhost:3000/v2
    description: Local development

tags:
  - name: Users
    description: User management operations
  - name: Profiles
    description: User profile operations
  - name: Admin
    description: Administrative operations

paths:
  /users:
    get:
      operationId: listUsers
      summary: List all users
      description: Returns a paginated list of users with optional filtering.
      tags:
        - Users
      parameters:
        - $ref: "#/components/parameters/PageParam"
        - $ref: "#/components/parameters/LimitParam"
        - name: status
          in: query
          description: Filter by user status
          schema:
            $ref: "#/components/schemas/UserStatus"
        - name: search
          in: query
          description: Search by name or email
          schema:
            type: string
            minLength: 2
            maxLength: 100
      responses:
        "200":
          description: Successful response
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/UserListResponse"
              examples:
                default:
                  $ref: "#/components/examples/UserListExample"
        "400":
          $ref: "#/components/responses/BadRequest"
        "401":
          $ref: "#/components/responses/Unauthorized"
        "429":
          $ref: "#/components/responses/RateLimited"
      security:
        - bearerAuth: []

    post:
      operationId: createUser
      summary: Create a new user
      description: Creates a new user account and sends welcome email.
      tags:
        - Users
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/CreateUserRequest"
            examples:
              standard:
                summary: Standard user
                value:
                  email: user@example.com
                  name: John Doe
                  role: user
              admin:
                summary: Admin user
                value:
                  email: admin@example.com
                  name: Admin User
                  role: admin
      responses:
        "201":
          description: User created successfully
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/User"
          headers:
            Location:
              description: URL of created user
              schema:
                type: string
                format: uri
        "400":
          $ref: "#/components/responses/BadRequest"
        "409":
          description: Email already exists
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/Error"
      security:
        - bearerAuth: []

  /users/{userId}:
    parameters:
      - $ref: "#/components/parameters/UserIdParam"

    get:
      operationId: getUser
      summary: Get user by ID
      tags:
        - Users
      responses:
        "200":
          description: Successful response
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/User"
        "404":
          $ref: "#/components/responses/NotFound"
      security:
        - bearerAuth: []

    patch:
      operationId: updateUser
      summary: Update user
      tags:
        - Users
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/UpdateUserRequest"
      responses:
        "200":
          description: User updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/User"
        "400":
          $ref: "#/components/responses/BadRequest"
        "404":
          $ref: "#/components/responses/NotFound"
      security:
        - bearerAuth: []

    delete:
      operationId: deleteUser
      summary: Delete user
      tags:
        - Users
        - Admin
      responses:
        "204":
          description: User deleted
        "404":
          $ref: "#/components/responses/NotFound"
      security:
        - bearerAuth: []
        - apiKey: []

components:
  schemas:
    User:
      type: object
      required:
        - id
        - email
        - name
        - status
        - createdAt
      properties:
        id:
          type: string
          format: uuid
          readOnly: true
          description: Unique user identifier
        email:
          type: string
          format: email
          description: User email address
        name:
          type: string
          minLength: 1
          maxLength: 100
          description: User display name
        status:
          $ref: "#/components/schemas/UserStatus"
        role:
          type: string
          enum: [user, moderator, admin]
          default: user
        avatar:
          type: string
          format: uri
          nullable: true
        metadata:
          type: object
          additionalProperties: true
          description: Custom metadata
        createdAt:
          type: string
          format: date-time
          readOnly: true
        updatedAt:
          type: string
          format: date-time
          readOnly: true

    UserStatus:
      type: string
      enum: [active, inactive, suspended, pending]
      description: User account status

    CreateUserRequest:
      type: object
      required:
        - email
        - name
      properties:
        email:
          type: string
          format: email
        name:
          type: string
          minLength: 1
          maxLength: 100
        role:
          type: string
          enum: [user, moderator, admin]
          default: user
        metadata:
          type: object
          additionalProperties: true

    UpdateUserRequest:
      type: object
      minProperties: 1
      properties:
        name:
          type: string
          minLength: 1
          maxLength: 100
        status:
          $ref: "#/components/schemas/UserStatus"
        role:
          type: string
          enum: [user, moderator, admin]
        metadata:
          type: object
          additionalProperties: true

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

    Pagination:
      type: object
      required:
        - page
        - limit
        - total
        - totalPages
      properties:
        page:
          type: integer
          minimum: 1
        limit:
          type: integer
          minimum: 1
          maximum: 100
        total:
          type: integer
          minimum: 0
        totalPages:
          type: integer
          minimum: 0
        hasNext:
          type: boolean
        hasPrev:
          type: boolean

    Error:
      type: object
      required:
        - code
        - message
      properties:
        code:
          type: string
          description: Error code for programmatic handling
        message:
          type: string
          description: Human-readable error message
        details:
          type: array
          items:
            type: object
            properties:
              field:
                type: string
              message:
                type: string
        requestId:
          type: string
          description: Request ID for support

  parameters:
    UserIdParam:
      name: userId
      in: path
      required: true
      description: User ID
      schema:
        type: string
        format: uuid

    PageParam:
      name: page
      in: query
      description: Page number (1-based)
      schema:
        type: integer
        minimum: 1
        default: 1

    LimitParam:
      name: limit
      in: query
      description: Items per page
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 20

  responses:
    BadRequest:
      description: Invalid request
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/Error"
          example:
            code: VALIDATION_ERROR
            message: Invalid request parameters
            details:
              - field: email
                message: Must be a valid email address

    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/Error"
          example:
            code: UNAUTHORIZED
            message: Authentication required

    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/Error"
          example:
            code: NOT_FOUND
            message: User not found

    RateLimited:
      description: Too many requests
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/Error"
      headers:
        Retry-After:
          description: Seconds until rate limit resets
          schema:
            type: integer
        X-RateLimit-Limit:
          description: Request limit per window
          schema:
            type: integer
        X-RateLimit-Remaining:
          description: Remaining requests in window
          schema:
            type: integer

  examples:
    UserListExample:
      value:
        data:
          - id: "550e8400-e29b-41d4-a716-446655440000"
            email: "john@example.com"
            name: "John Doe"
            status: "active"
            role: "user"
            createdAt: "2024-01-15T10:30:00Z"
        pagination:
          page: 1
          limit: 20
          total: 1
          totalPages: 1
          hasNext: false
          hasPrev: false

  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: JWT token from /auth/login

    apiKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key for service-to-service calls

security:
  - bearerAuth: []

undefined

model_config = {
    "json_schema_extra": {
        "examples": [
            {
                "email": "user@example.com",
                "name": "John Doe",
                "role": "user"
            }
        ]
    }
}

model_config = {"populate_by_name": True}

- **page**: Page number (1-based)
- **limit**: Number of items per page (max 100)
- **status**: Filter by user status
- **search**: Search by name or email
"""
# Implementation
pass

undefined

// tsoa generates OpenAPI from TypeScript decorators

import {
  Controller,
  Get,
  Post,
  Patch,
  Delete,
  Route,
  Path,
  Query,
  Body,
  Response,
  SuccessResponse,
  Tags,
  Security,
  Example,
} from "tsoa";

// Models
interface User {
  /** Unique identifier */
  id: string;
  /** User email address */
  email: string;
  /** Display name */
  name: string;
  status: UserStatus;
  role: UserRole;
  /** Avatar URL */
  avatar?: string;
  /** Custom metadata */
  metadata?: Record<string, unknown>;
  createdAt: Date;
  updatedAt?: Date;
}

enum UserStatus {
  Active = "active",
  Inactive = "inactive",
  Suspended = "suspended",
  Pending = "pending",
}

enum UserRole {
  User = "user",
  Moderator = "moderator",
  Admin = "admin",
}

interface CreateUserRequest {
  email: string;
  name: string;
  role?: UserRole;
  metadata?: Record<string, unknown>;
}

interface UpdateUserRequest {
  name?: string;
  status?: UserStatus;
  role?: UserRole;
  metadata?: Record<string, unknown>;
}

interface Pagination {
  page: number;
  limit: number;
  total: number;
  totalPages: number;
  hasNext: boolean;
  hasPrev: boolean;
}

interface UserListResponse {
  data: User[];
  pagination: Pagination;
}

interface ErrorResponse {
  code: string;
  message: string;
  details?: { field: string; message: string }[];
  requestId?: string;
}

@Route("users")
@Tags("Users")
export class UsersController extends Controller {
  /**
   * List all users with pagination and filtering
   * @param page Page number (1-based)
   * @param limit Items per page (max 100)
   * @param status Filter by user status
   * @param search Search by name or email
   */
  @Get()
  @Security("bearerAuth")
  @Response<ErrorResponse>(400, "Invalid request")
  @Response<ErrorResponse>(401, "Unauthorized")
  @Example<UserListResponse>({
    data: [
      {
        id: "550e8400-e29b-41d4-a716-446655440000",
        email: "john@example.com",
        name: "John Doe",
        status: UserStatus.Active,
        role: UserRole.User,
        createdAt: new Date("2024-01-15T10:30:00Z"),
      },
    ],
    pagination: {
      page: 1,
      limit: 20,
      total: 1,
      totalPages: 1,
      hasNext: false,
      hasPrev: false,
    },
  })
  public async listUsers(
    @Query() page: number = 1,
    @Query() limit: number = 20,
    @Query() status?: UserStatus,
    @Query() search?: string,
  ): Promise<UserListResponse> {
    // Implementation
    throw new Error("Not implemented");
  }

  /**
   * Create a new user
   */
  @Post()
  @Security("bearerAuth")
  @SuccessResponse(201, "Created")
  @Response<ErrorResponse>(400, "Invalid request")
  @Response<ErrorResponse>(409, "Email already exists")
  public async createUser(@Body() body: CreateUserRequest): Promise<User> {
    this.setStatus(201);
    throw new Error("Not implemented");
  }

  /**
   * Get user by ID
   * @param userId User ID
   */
  @Get("{userId}")
  @Security("bearerAuth")
  @Response<ErrorResponse>(404, "User not found")
  public async getUser(@Path() userId: string): Promise<User> {
    throw new Error("Not implemented");
  }

  /**
   * Update user attributes
   * @param userId User ID
   */
  @Patch("{userId}")
  @Security("bearerAuth")
  @Response<ErrorResponse>(400, "Invalid request")
  @Response<ErrorResponse>(404, "User not found")
  public async updateUser(
    @Path() userId: string,
    @Body() body: UpdateUserRequest,
  ): Promise<User> {
    throw new Error("Not implemented");
  }

  /**
   * Delete user
   * @param userId User ID
   */
  @Delete("{userId}")
  @Tags("Users", "Admin")
  @Security("bearerAuth")
  @SuccessResponse(204, "Deleted")
  @Response<ErrorResponse>(404, "User not found")
  public async deleteUser(@Path() userId: string): Promise<void> {
    this.setStatus(204);
  }
}

undefined

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