import type { Ref } from 'vue';

import type { CustomerProfileListFilters } from '../../types';

import type { CustomerProfileDto, CustomerTagFilter } from '#/api/customer';
import type { StoreListItemDto } from '#/api/store';

import { getCustomerListApi, getCustomerProfileApi } from '#/api/customer';
import { getStoreListApi } from '#/api/store';

import {
  PROFILE_DEFAULT_LIST_PAGE,
  PROFILE_DEFAULT_LIST_PAGE_SIZE,
  PROFILE_STORE_QUERY_PAGE_SIZE,
} from './constants';
import {
  normalizeOrderCountRangeFilter,
  normalizeRegisterPeriodFilter,
  normalizeTagFilter,
} from './helpers';

interface CreateDataActionsOptions {
  filters: CustomerProfileListFilters;
  isProfileLoading: Ref<boolean>;
  isStoreLoading: Ref<boolean>;
  profile: Ref<CustomerProfileDto | null>;
  stores: Ref<StoreListItemDto[]>;
}

/**
 * 文件职责：客户画像页数据加载动作。
 */
export function createDataActions(options: CreateDataActionsOptions) {
  async function loadStores() {
    options.isStoreLoading.value = true;
    try {
      const result = await getStoreListApi({
        page: 1,
        pageSize: PROFILE_STORE_QUERY_PAGE_SIZE,
      });
      options.stores.value = result.items;
      return result.items;
    } finally {
      options.isStoreLoading.value = false;
    }
  }

  async function pickDefaultCustomerKey(storeId: string) {
    if (!storeId) {
      return '';
    }

    const result = await getCustomerListApi({
      storeId,
      page: PROFILE_DEFAULT_LIST_PAGE,
      pageSize: PROFILE_DEFAULT_LIST_PAGE_SIZE,
      keyword: options.filters.keyword.trim() || undefined,
      tag: normalizeTagFilter(options.filters.tag as CustomerTagFilter),
      orderCountRange: normalizeOrderCountRangeFilter(
        options.filters.orderCountRange,
      ),
      registerPeriod: normalizeRegisterPeriodFilter(
        options.filters.registerPeriod,
      ),
    });
    return result.items[0]?.customerKey || '';
  }

  async function loadProfile(storeId: string, customerKey: string) {
    if (!storeId || !customerKey) {
      options.profile.value = null;
      return null;
    }

    options.isProfileLoading.value = true;
    try {
      const result = await getCustomerProfileApi({
        storeId,
        customerKey,
      });
      options.profile.value = result;
      return result;
    } finally {
      options.isProfileLoading.value = false;
    }
  }

  return {
    loadProfile,
    loadStores,
    pickDefaultCustomerKey,
  };
}