const toastOptions = { duration: 2000, mask: false };
const confirmOptions = { title: '提示', cancelText: '取消', confirmText: '确定', showCancel: true };

export function toast(message, opts = {}) {
  const options = { ...toastOptions, ...opts }
  return new Promise((resolve) => {
    uni.showToast({
      title: message,
      icon: 'none',
      // mask: options.mask,
      duration: options.duration,
    })
    if (options.duration > 0) {
      setTimeout(resolve, options.duration)
    } else {
      resolve()
    }
  })

}

export function hideToast() {
  uni.hideToast()
}

export function loading(title = '加载中...') {
  uni.showLoading({ title, mask: true })
}

export function hideLoading() {
  uni.hideLoading()
}

// 使用系统原生确认弹窗
export async function confirm(content, opt = {}) {
  const options = { ...confirmOptions, ...opt }
  return new Promise((resolve, reject) => {
    uni.showModal({
      title: options.title,
      content,
      showCancel: options.showCancel,
      cancelText: options.cancelText,
      confirmText: options.confirmText,
      success: ({ confirm, cancel }) => {
        if (confirm) {
          resolve()
        } else if (cancel) {
          reject()
        }
      }
    })
  })
}

// 保存图片到相册
export async function saveImageToPhotosAlbum(filePath) {
  try {
    // 检查授权
    const authRes = await uni.getSetting()
    if (!authRes[1].authSetting['scope.writePhotosAlbum']) {
      // 请求授权
      try {
        await uni.authorize({ scope: 'scope.writePhotosAlbum' })
      } catch (err) {
        // 用户拒绝授权，引导去设置
        const [modalErr, modalRes] = await uni.showModal({
          title: '提示',
          content: '需要您授权保存相册',
          confirmText: '去设置',
          cancelText: '取消'
        })
        
        if (modalRes && modalRes.confirm) {
          await uni.openSetting()
        }
        return false
      }
    }
    
    // 保存图片
    await uni.saveImageToPhotosAlbum({ filePath })
    await toast('保存成功')
  } catch (err) {
    console.error('保存图片失败:', err)
    await toast('保存失败')
  }
}

// 分享到微信
export function shareToWeChat(options = {}) {
  const { title = '', path = '', imageUrl = '' } = options
  
  return {
    title,
    path,
    imageUrl,
    success: () => {
      toast('分享成功')
    },
    fail: (err) => {
      console.error('分享失败:', err)
      toast('分享失败')
    }
  }
}

// 分享第三方小程序给微信好友
export function shareThirdPartyMiniProgram(options = {}) {
  const { 
    title = '', 
    appId = '', 
    path = '', 
    imageUrl = '',
    webUrl = '',
    miniProgramType = 0
  } = options
  
  if (!appId) {
    console.error('分享第三方小程序需要提供 appId')
    toast('分享配置错误')
    return null
  }
  
  return {
    title,
    path,
    imageUrl,
    miniProgramType, // 0-正式版 1-开发版 2-体验版
    webpageUrl: webUrl, // 兼容低版本的网页链接
    success: () => {
      toast('分享成功')
    },
    fail: (err) => {
      console.error('分享失败:', err)
      toast('分享失败')
    }
  }
}