import { getPointTaskUploadToken } from '@/api/app/index.js'

function fileNameFromPath(path) {
  const clean = String(path || '').split('?')[0]
  return clean.substring(clean.lastIndexOf('/') + 1) || ('task-' + Date.now() + '.jpg')
}

function contentTypeOf(file) {
  if (file && file.type) return file.type
  const name = fileNameFromPath(file && file.path)
  const ext = name.substring(name.lastIndexOf('.') + 1).toLowerCase()
  if (ext === 'png') return 'image/png'
  if (ext === 'webp') return 'image/webp'
  return 'image/jpeg'
}

/** 小程序直传任务截图到七牛云。 */
export function uploadPointTaskImage(file) {
  const filePath = file.path || file.tempFilePath
  const fileName = file.name || fileNameFromPath(filePath)
  const fileSize = Number(file.size || 0)
  const contentType = contentTypeOf(file)
  return getPointTaskUploadToken({ fileName, fileSize, contentType }).then(response => {
    const data = response.data || {}
    return new Promise((resolve, reject) => {
      uni.uploadFile({
        url: data.uploadHost,
        filePath: filePath,
        name: 'file',
        formData: {
          token: data.uploadToken,
          key: data.objectKey
        },
        success: result => {
          if (result.statusCode >= 200 && result.statusCode < 300) {
            resolve({ objectKey: data.objectKey, localPath: filePath })
            return
          }
          reject(new Error('七牛上传失败，请重试'))
        },
        fail: reject
      })
    })
  })
}