/* eslint-disable no-param-reassign */
/* eslint-disable no-shadow */
// import * as types from './.dict.js';
import assert from 'assert';
import _ from 'lodash';
import { LOADED, PRESET } from './.dict';

const api = {
  listItem: '/gaf/code/:codeType/items',
  listUnit: '/naf/unit/list',
  listXzqh: '/naf/code/xzqh/list',
};

// initial state
export const state = () => ({
  codeTypes: [], // 字典分类
  items: {
    usage: [
      { code: '0', name: '正常' },
      { code: '1', name: '停用' },
    ],
  },
  codes: {
    usage: {
      0: '正常',
      1: '停用',
    },
  },
});

// actions
export const actions = {
  async load({ state, commit }, payload) {
    assert(payload);

    if (state.items[payload]) {
      return state.items[payload];
    }

    // LOAD PRESET DICT
    if (PRESET[payload]) {
      commit(LOADED, { codeType: payload, items: PRESET[payload] });
      return PRESET[payload];
    }

    let res;
    if (payload === 'unit') {
      // LOAD UNIT DICT
      res = await this.$axios.$get(api.listUnit);
    } else if (payload === 'xzqh') {
      // LOAD XZQH DICT
      res = await this.$axios.$get(api.listXzqh, { level: 1 });
      if (res.errcode) return res;
      const rs1 = res.data || res;
      res = await this.$axios.$get(api.listXzqh, { level: 2 });
      if (res.errcode) return res;
      const rs2 = res.data || res;
      res = rs1.map(p => {
        const prefix = p.code.substr(0, 2);
        const children = rs2.filter(c => c.code !== p.code && c.code.startsWith(prefix));
        return { ...p, children };
      });
    } else if (payload === 'city') {
      // 吉林省内地市
      res = await this.$axios.$get(api.listXzqh, { level: 2, parent: '220000' });
    } else {
      // LOAD COMMONS DICT
      res = await this.$axios.$get(api.listItem, { codeType: payload });
    }

    if (!res.errcode) {
      commit(LOADED, { codeType: payload, items: res.data || res });
      return res.data || res;
    }
    return res;
  },
};

// mutations
export const mutations = {
  [LOADED](state, { codeType, items }) {
    state.items[codeType] = items;
    state.codes[codeType] = items.reduce((acc, item) => {
      acc[item.code] = item.name;
      if (Array.isArray(item.children) && item.children.length > 0) {
        _.forEach(item.children, p => {
          acc[p.code] = p.name;
        });
      }
      return acc;
    }, {});
  },
};

export const namespaced = true;