const swaggerJsdoc = require('swagger-jsdoc');
const swaggerUi = require('swagger-ui-express');

const options = {
  definition: {
    openapi: '3.0.0',
    info: {
      title: '爱鉴花小程序后端API',
      version: '1.0.0',
      description: '爱鉴花小程序后端RESTful API文档',
      contact: {
        name: 'API支持',
        email: 'support@aijianhua.com'
      },
      license: {
        name: 'MIT',
        url: 'https://opensource.org/licenses/MIT'
      }
    },
    servers: [
      {
        url: process.env.NODE_ENV === 'production' 
          ? 'https://api.aijianhua.com' 
          : `http://localhost:${process.env.PORT || 3200}`,
        description: process.env.NODE_ENV === 'production' ? '生产环境' : '开发环境'
      }
    ],
    components: {
      securitySchemes: {
        BearerAuth: {
          type: 'http',
          scheme: 'bearer',
          bearerFormat: 'JWT'
        }
      },
      schemas: {
        User: {
          type: 'object',
          properties: {
            id: { type: 'integer', example: 1 },
            username: { type: 'string', example: 'testuser' },
            phone: { type: 'string', example: '13800138000' },
            email: { type: 'string', example: 'user@example.com' },
            user_type: { type: 'string', enum: ['farmer', 'buyer', 'admin'], example: 'farmer' },
            avatar_url: { type: 'string', example: '/uploads/avatars/avatar.jpg' },
            created_at: { type: 'string', format: 'date-time', example: '2023-01-01T00:00:00Z' },
            last_login: { type: 'string', format: 'date-time', example: '2023-01-01T00:00:00Z' }
          }
        },
        Product: {
          type: 'object',
          properties: {
            id: { type: 'integer', example: 1 },
            name: { type: 'string', example: '玫瑰花' },
            category_id: { type: 'integer', example: 1 },
            price: { type: 'number', format: 'float', example: 29.9 },
            stock: { type: 'integer', example: 100 },
            image: { type: 'string', example: '/uploads/products/rose.jpg' },
            description: { type: 'string', example: '新鲜玫瑰花，香气浓郁' },
            status: { type: 'integer', enum: [0, 1], example: 1 },
            created_at: { type: 'string', format: 'date-time', example: '2023-01-01T00:00:00Z' },
            updated_at: { type: 'string', format: 'date-time', example: '2023-01-01T00:00:00Z' }
          }
        },
        Order: {
          type: 'object',
          properties: {
            id: { type: 'integer', example: 1 },
            order_number: { type: 'string', example: 'O123456789' },
            user_id: { type: 'integer', example: 1 },
            total_amount: { type: 'number', format: 'float', example: 99.9 },
            payment_status: { type: 'string', enum: ['pending', 'paid', 'cancelled'], example: 'pending' },
            shipping_status: { type: 'string', enum: ['pending', 'shipped', 'delivered'], example: 'pending' },
            shipping_address: { type: 'string', example: '北京市朝阳区xxx街道' },
            created_at: { type: 'string', format: 'date-time', example: '2023-01-01T00:00:00Z' },
            updated_at: { type: 'string', format: 'date-time', example: '2023-01-01T00:00:00Z' }
          }
        },
        Identification: {
          type: 'object',
          properties: {
            id: { type: 'integer', example: 1 },
            user_id: { type: 'integer', example: 1 },
            image_url: { type: 'string', example: '/uploads/identifications/identify-123.jpg' },
            result: { type: 'string', description: 'JSON格式的识别结果' },
            confidence: { type: 'number', format: 'float', example: 0.95 },
            created_at: { type: 'string', format: 'date-time', example: '2023-01-01T00:00:00Z' }
          }
        },
        Error: {
          type: 'object',
          properties: {
            code: { type: 'integer', example: 400 },
            message: { type: 'string', example: '参数验证失败' },
            data: { type: 'object', nullable: true, example: null }
          }
        }
      },
      responses: {
        UnauthorizedError: {
          description: '未授权访问',
          content: {
            'application/json': {
              schema: { $ref: '#/components/schemas/Error' },
              example: {
                code: 401,
                message: '未提供有效的认证token',
                data: null
              }
            }
          }
        },
        NotFoundError: {
          description: '资源不存在',
          content: {
            'application/json': {
              schema: { $ref: '#/components/schemas/Error' },
              example: {
                code: 404,
                message: '资源不存在',
                data: null
              }
            }
          }
        },
        ValidationError: {
          description: '参数验证失败',
          content: {
            'application/json': {
              schema: { $ref: '#/components/schemas/Error' },
              example: {
                code: 400,
                message: '参数验证失败',
                data: null
              }
            }
          }
        }
      }
    },
    security: [
      { BearerAuth: [] }
    ]
  },
  apis: [
    './routes/*.js',
    './middlewares/*.js'
  ]
};

const specs = swaggerJsdoc(options);

module.exports = { specs, swaggerUi };