import { swaggerUI } from '@hono/swagger-ui'

const routes = {
  '/api/v1/email': {
    post: {
      summary: 'Send an email',
      requestBody: {
        required: true,
        content: {
          'application/json': {
            schema: {
              type: 'object',
              required: ['to', 'templateName', 'language', 'data'],
              properties: {
                to: {
                  type: 'string',
                  format: 'email'
                },
                templateName: {
                  type: 'string'
                },
                language: {
                  type: 'string',
                  enum: ['en', 'de']
                },
                data: {
                  type: 'object'
                }
              }
            }
          }
        }
      },
      responses: {
        '200': {
          description: 'Email queued successfully',
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  success: {
                    type: 'boolean'
                  }
                }
              }
            }
          }
        },
        '400': {
          description: 'Bad request or email queueing failed',
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  success: {
                    type: 'boolean'
                  },
                  error: {
                    type: 'string'
                  }
                }
              }
            }
          }
        }
      }
    },
    get: {
      path: '/status',
      summary: 'Get email queue status',
      responses: {
        '200': {
          description: 'Queue status retrieved successfully',
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  waiting: {
                    type: 'number'
                  },
                  active: {
                    type: 'number'
                  },
                  completed: {
                    type: 'number'
                  },
                  failed: {
                    type: 'number'
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}

const apiDoc = {
  openapi: '3.0.0',
  info: {
    title: process.env.npm_package_name,
    version: process.env.npm_package_version,
    description: 'API for sending templated emails in multiple languages'
  },
  paths: routes
}

export const createSwaggerUI = () => {
  return swaggerUI({
    url: '/api/docs',
    spec: apiDoc
  })
}