import { Provide, Scope, ScopeEnum } from '@midwayjs/core';
import { InjectEntityModel } from '@midwayjs/typeorm';
import { Repository, Like, In } from 'typeorm';
import { Site } from '../entity/site.entity';
import { WpSite } from '../interface';
import { UpdateSiteDTO } from '../dto/site.dto';

@Provide()
@Scope(ScopeEnum.Singleton)
export class SiteService {
  @InjectEntityModel(Site)
  siteModel: Repository<Site>;

  async syncFromConfig(sites: WpSite[] = []) {
    // 将配置中的 WpSite 同步到数据库 Site 表（用于一次性导入或初始化）
    for (const siteConfig of sites) {
      // 按站点名称查询是否已存在记录
      const exist = await this.siteModel.findOne({ where: { siteName: siteConfig.siteName } });
      // 将 WpSite 字段映射为 Site 实体字段
      const payload: Partial<Site> = {
        siteName: siteConfig.siteName,
        apiUrl: (siteConfig as any).wpApiUrl,
        consumerKey: (siteConfig as any).consumerKey,
        consumerSecret: (siteConfig as any).consumerSecret,
        type: 'woocommerce',
      };
      // 存在则更新，不存在则插入新记录
      if (exist) await this.siteModel.update({ id: exist.id }, payload);
      else await this.siteModel.insert(payload as Site);
    }
  }

  async create(data: Partial<Site>) {
    // 创建新的站点记录
    await this.siteModel.insert(data as Site);
    return true;
  }

  async update(id: string | number, data: UpdateSiteDTO) {
    // 更新指定站点记录，将布尔 isDisabled 转换为数值 0/1
    const payload: Partial<Site> = {
      ...data,
      isDisabled:
        data.isDisabled === undefined // 未传入则不更新该字段
          ? undefined
          : data.isDisabled // true -> 1, false -> 0
            ? 1
            : 0,
    } as any;
    await this.siteModel.update({ id: Number(id) }, payload);
    return true;
  }

  async get(id: string | number, includeSecret = false) {
    // 根据主键获取站点；includeSecret 为 true 时返回密钥字段
    const site = await this.siteModel.findOne({ where: { id: Number(id) } });
    if (!site) return null;
    if (includeSecret) return site;
    // 默认不返回密钥，进行字段脱敏
    const {  ...rest } = site;
    return rest;
  }
  
  async list(param: { current?: number; pageSize?: number; keyword?: string; isDisabled?: boolean; ids?: string }, includeSecret = false) {
    // 分页查询站点列表，支持关键字、禁用状态与 ID 列表过滤
    const { current = 1, pageSize = 10, keyword, isDisabled, ids } = (param || {}) as any;
    const where: any = {};
    // 按名称模糊查询
    if (keyword) where.siteName = Like(`%${keyword}%`);
    // 按禁用状态过滤（布尔转数值）
    if (typeof isDisabled === 'boolean') where.isDisabled = isDisabled ? 1 : 0;
    if (ids) {
      // 解析逗号分隔的 ID 字符串为数字数组，并过滤非法值
      const numIds = String(ids)
        .split(',')
        .filter(Boolean)
        .map((i) => Number(i))
        .filter((v) => !Number.isNaN(v));
      if (numIds.length > 0) where.id = In(numIds);
    }
    // 进行分页查询（skip/take）并返回总条数
    const [items, total] = await this.siteModel.findAndCount({ where, skip: (current - 1) * pageSize, take: pageSize });
    // 根据 includeSecret 决定是否脱敏返回密钥字段
    const data = includeSecret ? items : items.map((item: any) => {
      const { consumerKey, consumerSecret, ...rest } = item;
      return rest;
    });
    return { items: data, total, current, pageSize };
  }

  async disable(id: string | number, disabled: boolean) {
    // 设置站点禁用状态（true -> 1, false -> 0）
    await this.siteModel.update({ id: Number(id) }, { isDisabled: disabled ? 1 : 0 });
    return true;
  }
}