import { once } from '@dcloudio/uni-shared'
import {
  COMMON_EXCLUDE,
  isInHybridNVue,
  uniViteInjectPlugin,
  UniVitePlugin,
} from '@dcloudio/uni-cli-shared'

import { uniValidateFunctionPlugin } from './validateFunction'

process.env.UNI_CLOUD_PROVIDER = JSON.stringify([])

const uniCloudSpaces: {
  provider?: string
  id: string
  name: string
  clientSecret?: string
  apiEndpoint?: string
}[] = []

const initUniCloudEnvOnce = once(initUniCloudEnv)

initUniCloudEnvOnce()

/**
 * @type {import('vite').Plugin}
 */
function uniCloudPlugin(): UniVitePlugin {
  return {
    name: 'uni:cloud',
    config(config) {
      const silent = config.build && config.build.ssr ? true : false
      if (silent) {
        return
      }
      const len = uniCloudSpaces.length
      if (!len) {
        return
      }
      if (isInHybridNVue(config)) {
        return
      }
      if (len === 1) {
        console.log(
          `本项目的uniCloud使用的默认服务空间spaceId为：${uniCloudSpaces[0].id}`
        )
      }
      if (
        process.env.UNI_PLATFORM === 'h5' &&
        !process.env.UNI_SUB_PLATFORM &&
        process.env.NODE_ENV === 'production'
      ) {
        console.warn(
          '发布H5，需要在uniCloud后台操作，绑定安全域名，否则会因为跨域问题而无法访问。教程参考：https://uniapp.dcloud.io/uniCloud/quickstart?id=useinh5'
        )
      }
      return {}
    },
    configureServer(server) {
      if (server.httpServer) {
        server.httpServer.on('listening', () => {
          process.nextTick(() => {
            initUniCloudWarningOnce()
          })
        })
      } else {
        initUniCloudWarningOnce()
      }
    },
    closeBundle() {
      if (process.env.UNI_PLATFORM === 'h5' && !process.env.UNI_SSR_CLIENT) {
        console.log()
        console.log(
          '欢迎将H5站部署到uniCloud前端网页托管平台，高速、免费、安全、省心，详见：'
        )
        console.log('https://uniapp.dcloud.io/uniCloud/hosting')
      }
    },
  }
}

const initUniCloudWarningOnce = once(() => {
  uniCloudSpaces.length &&
    console.warn(
      '当前项目使用了uniCloud，为避免云函数调用跨域问题，建议在HBuilderX内置浏览器里调试，如使用外部浏览器需处理跨域，详见：https://uniapp.dcloud.io/uniCloud/quickstart?id=useinh5'
    )
})

function initUniCloudEnv() {
  if (!process.env.UNI_CLOUD_SPACES) {
    return
  }
  try {
    const spaces = JSON.parse(process.env.UNI_CLOUD_SPACES)
    if (!Array.isArray(spaces)) {
      return
    }
    spaces.forEach((s) => uniCloudSpaces.push(s))
    process.env.UNI_CLOUD_PROVIDER = JSON.stringify(
      uniCloudSpaces.map((space) => {
        if (space.clientSecret) {
          return {
            provider: space.provider || 'aliyun',
            spaceName: space.name,
            spaceId: space.id,
            clientSecret: space.clientSecret,
            endpoint: space.apiEndpoint,
          }
        } else {
          return {
            provider: space.provider || 'tencent',
            spaceName: space.name,
            spaceId: space.id,
          }
        }
      })
    )
  } catch (e) {}
}

export default () => [
  uniCloudPlugin(),
  uniViteInjectPlugin('uni:cloud-inject', {
    exclude: [...COMMON_EXCLUDE],
    uniCloud: ['@dcloudio/uni-cloud', 'default'],
  }),
  uniValidateFunctionPlugin(),
]