import Vue from 'vue'
import store from './store'

import getCategories from './getCategories'
import getAttributes from './getAttributes'
import getAttributesDetail from './getAttributesDetail'
import getLabels from './getLabels'
import getCity from './getCity'

export {
  getAttributesDetail,
}

export default function getConfig (payload, option = {}) {
  return new Promise(async (resolve, reject) => {
    const asyncOptionList = {
      category_id1: {
        action: getCategories,
        payload: { parent_id: 0 },
      },
      category_id2: {
        action: getCategories,
        payload: { parent_id: option.category_id1 },
      },
      category_id3: {
        action: getCategories,
        payload: { parent_id: option.category_id2 },
      },
      attribute_category_id: {
        action: getAttributes,
      },
    }

    const autoOptionList = {
      label: {
        action: getLabels,
      },
      city_ids: {
        action: getCity,
      },
    }

    if (!payload || !payload.keyword) {
      console.warn('获取公共配置必须带有key字段的参数')
      reject(payload)
    }

    if (Array.isArray(payload.keyword)) {
      const option = {}
      const getList = async keyword => {
        try {
          if (store.getAll()[keyword]) {
            option[keyword] = store.getAll()[keyword]
            return
          }
          if (autoOptionList[keyword]) {
            const { action, payload } = autoOptionList[keyword]
            const list = await action(payload)
            store.set(keyword, list)
            option[keyword] = list
            return
          }
          store.setAll(await Vue.http.get('/product/config'))
          option[keyword] = store.getAll()[keyword]
        } catch (e) {
          console.error('Config Error: ', e)
        }
      }

      for (let keyword of payload.keyword) {
        await getList(keyword)
      }
      if (Object.keys(option).length !== payload.keyword.length) {
        return reject(option)
      }
      return resolve(option)
    }

    const list = store.get(payload.keyword)
    if (payload.type === 'async') {
      try {
        const config = asyncOptionList[payload.keyword]
        resolve(await config.action(config.payload))
      } catch (e) {
        reject(e)
      }
    } else {
      if (!list) {
        try {
          const configData = await Vue.http.get('/product/config')
          store.setAll(configData)
          resolve(store.get(payload.keyword) || [])
        } catch (e) {
          reject(e)
        }
      } else {
        resolve(list)
      }
    }
  })
}