/**
 * 通用API服务
 * 提供字典查询、文件上传等通用接口
 */
import type { IDictParams, IDictResponse, IUploadParams } from '~/types/api'
import type { IUploadResponse, IPageResponse, IPageParams } from '~/types/common'
import { RequestEXTEND } from '~/extends/requestEXTEND'

export class CommonSERVICE {
  // 私有属性：请求工具实例
  private request: RequestEXTEND

  /**
   * 构造函数：初始化请求工具
   * @param config 自定义请求配置（可选）
   */
  constructor(config?: { timeout?: number; headers?: Record<string, string>; baseURL?: string }) {
    this.request = new RequestEXTEND(config)
  }

  /**
   * 字典查询接口
   * @param type 字典类型
   * @returns 字典项列表
   */
  async getDict(type: string): Promise<IDictResponse['data']> {
    try {
      const response = await this.request.get<IDictResponse>('/api/common/dict', {
        params: { type }
      })
      if (response.code !== 200 && response.code !== 0) {
        throw new Error(response.message || '获取字典失败')
      }
      return response.data || []
    } catch (error) {
      console.error('获取字典接口异常：', error)
      return []
    }
  }

  /**
   * 文件上传接口
   * @param file 要上传的文件
   * @returns 上传后的文件信息
   */
  async upload(file: File): Promise<IUploadResponse['data']> {
    try {
      const formData = new FormData()
      formData.append('file', file)
      const response = await this.request.post<IUploadResponse>('/api/common/upload', formData)
      if (response.code !== 200 && response.code !== 0) {
        throw new Error(response.message || '文件上传失败')
      }
      return response.data
    } catch (error) {
      console.error('文件上传接口异常：', error)
      throw error
    }
  }

  /**
   * 多文件上传接口
   * @param files 要上传的文件数组
   * @returns 上传后的文件信息列表
   */
  async uploadMultiple(files: File[]): Promise<IUploadResponse['data'][]> {
    try {
      const formData = new FormData()
      files.forEach((file, index) => {
        formData.append(`files_${index}`, file)
      })
      const response = await this.request.post<{ code: number; message: string; data: IUploadResponse['data'][] }>(
        '/api/common/uploadMultiple',
        formData
      )
      if (response.code !== 200 && response.code !== 0) {
        throw new Error(response.message || '文件上传失败')
      }
      return response.data || []
    } catch (error) {
      console.error('多文件上传接口异常：', error)
      throw error
    }
  }

  /**
   * 获取上传进度（需要自行实现）
   * @param file 要上传的文件
   * @param onProgress 上传进度回调
   * @returns 上传后的文件信息
   */
  async uploadWithProgress(
    file: File,
    onProgress: (percent: number) => void
  ): Promise<IUploadResponse['data']> {
    return new Promise((resolve, reject) => {
      const xhr = new XMLHttpRequest()
      const formData = new FormData()
      formData.append('file', file)

      xhr.upload.addEventListener('progress', (event) => {
        if (event.lengthComputable) {
          const percent = Math.round((event.loaded / event.total) * 100)
          onProgress(percent)
        }
      })

      xhr.addEventListener('load', () => {
        if (xhr.status >= 200 && xhr.status < 300) {
          try {
            const response = JSON.parse(xhr.responseText)
            if (response.code === 200 || response.code === 0) {
              resolve(response.data)
            } else {
              reject(new Error(response.message || '文件上传失败'))
            }
          } catch (error) {
            reject(error)
          }
        } else {
          reject(new Error('文件上传失败'))
        }
      })

      xhr.addEventListener('error', () => {
        reject(new Error('文件上传失败'))
      })

      xhr.open('POST', '/api/common/upload')
      xhr.send(formData)
    })
  }

  /**
   * 获取配置信息
   * @param key 配置键
   * @returns 配置值
   */
  async getConfig(key: string): Promise<string | null> {
    try {
      const response = await this.request.get<{ code: number; message: string; data: { value: string } }>(
        '/api/common/config',
        { params: { key } }
      )
      if (response.code === 200 || response.code === 0) {
        return response.data?.value || null
      }
      return null
    } catch (error) {
      console.error('获取配置接口异常：', error)
      return null
    }
  }

  /**
   * 获取应用版本信息
   * @returns 版本信息
   */
  async getVersion(): Promise<{ version: string; buildTime: string }> {
    try {
      const response = await this.request.get<{ code: number; message: string; data: { version: string; buildTime: string } }>('/api/common/version')
      if (response.code === 200 || response.code === 0) {
        return response.data || { version: '1.0.0', buildTime: '' }
      }
      return { version: '1.0.0', buildTime: '' }
    } catch (error) {
      console.error('获取版本信息接口异常：', error)
      return { version: '1.0.0', buildTime: '' }
    }
  }

  /**
   * 发送短信验证码
   * @param phone 手机号
   * @param type 验证码类型（login/register/reset）
   * @returns 发送结果
   */
  async sendSmsCode(phone: string, type: string = 'login'): Promise<boolean> {
    try {
      const response = await this.request.post<{ code: number; message: string }>('/api/common/sms/send', {
        phone,
        type
      })
      return response.code === 200 || response.code === 0
    } catch (error) {
      console.error('发送短信验证码接口异常：', error)
      return false
    }
  }

  /**
   * 验证短信验证码
   * @param phone 手机号
   * @param code 验证码
   * @returns 验证结果
   */
  async verifySmsCode(phone: string, code: string): Promise<boolean> {
    try {
      const response = await this.request.post<{ code: number; message: string }>('/api/common/sms/verify', {
        phone,
        code
      })
      return response.code === 200 || response.code === 0
    } catch (error) {
      console.error('验证短信验证码接口异常：', error)
      return false
    }
  }
}