import request from "./request";

/**
 * 封装字典工具类
 */
const $dict = {
  url: "/admin/dictionary/queryValsByCodeList",
  loading: [],
  resolves: [],
  getStorage() {
    const dicts = JSON.parse(localStorage.getItem('dicts') || null)
    return dicts?.data || dicts || [];
  },
  setUrl(v) {
    this.url = v
  },
  getData(codeList) {
    codeList = [codeList].flat().filter(Boolean).toString()
    return request.post(this.url, null, {
      withoutToken: true, params: {codeList}
    }).then(res => res?.data && this.setStorage(res.data))
  },
  load(...code) {
    return new Promise(resolve => {
      this.resolves.push(resolve)
      if (this.loading.length == 2) {
        const [timer, codes] = this.loading;
        clearTimeout(timer)
        code = Array.from(new Set([codes, code].flat()))
      }
      const timer = setTimeout(() => {
        this.getData(code).then(() => Promise.all(this.resolves.map(e => e())).then(() => this.resolves = []))
      }, 500)
      this.loading = [timer, code]
    })
  },
  setStorage(data) {
    let ds = this.getStorage()
    data.map(p => {
      if (ds.some(d => d.key == p.key)) {
        const index = ds.findIndex(d => d.key == p.key)
        ds.splice(index, 1, p)
      } else {
        ds.push(p)
      }
    })
    localStorage.setItem("dicts", JSON.stringify([ds].flat()))
  },
  getDict(key) {
    let dict = this.getStorage().find(e => e.key == key)
    !dict && console.warn("字典%s缺少加载...", key)
    return dict ? dict.values : []
  },
  getValue(key, label) {
    let dict = this.getDict(key)
    if (dict) {
      let item = dict.find(v => v.dictName == label)
      return item ? item.dictValue : label
    } else return label
  },
  getLabel(key, value) {
    let dict = this.getDict(key)
    if (dict) {
      let item = dict.find(v => v.dictValue == value)
      return item ? item.dictName : value
    } else return value
  },
  getColor(key, value) {
    let dict = this.getDict(key)
    if (dict) {
      let item = dict.find(v => v.dictValue == value)
      return item ? item.dictColor : value
    } else return value
  },
}

export default $dict