const path = require('path')
const fs = require('fs')
module.exports = app => ({
  /**
   * 我的页面列表
   * @returns {Promise<void>}
   */
  async myPages() {
    const { ctx, $service, $helper } = app;
    let { pageMode, type } = ctx.request.query;
    const pages = await $service.page.getMyPages(pageMode, type);
    const myPageCount = await $service.page.getMyPagesCount(pageMode);
    const myCooperationPageCount = await $service.page.getCooperationPagesCount(pageMode);
    $helper.returnBody(true, {
      pages: pages.reverse(),
      myPageCount: myPageCount,
      myCooperationPageCount: myCooperationPageCount
    })
  },
  /**
   * 获取我的模板列表
   * @returns {Promise<void>}
   */
  async getMyTemplates() {
    const { ctx, $service, $helper } = app;
    let { pageMode } = ctx.request.query;
    const pages = await $service.page.getMyTemplates(pageMode);
    $helper.returnBody(true, pages)
  },
  /**
   * 创建页面
   * @returns {Promise<void>}
   */
  async create(data) {
    const { ctx, $service, $helper } = app;
    let newPageData = ctx.request.body;
    const page = await $service.page.create(newPageData);
    $helper.returnBody(true, page)
  },
  /**
   * 修改更新页面
   * @returns {Promise<void>}
   */
  async updatePage() {
    const { ctx, $service, $helper } = app;
    let { pageData } = ctx.request.body;
    await $service.page.update(pageData);
    $helper.returnBody(true)
  },
  /**
   * 删除页面
   */
  async deletePage() {
    const { ctx, $service, $helper } = app;
    let { id } = ctx.request.body;
    await $service.page.deletePage(id);
    $helper.returnBody(true)
  },
  /**
   * 复制页面
   * @returns {Promise<void>}
   isPublish: false,
   isTemplate: false,
   members: [],
   author: author,
   */
  async copyPage() {
    const { ctx, $service, $helper } = app;
    let { id } = ctx.request.body;
    let page = await $service.page.getPageDetail(id);
    page._id = undefined;
    page.isPublish = false;
    page.isTemplate = false;
    page.members = [];
    let newPage = await $service.page.create(page);
    $helper.returnBody(true, { _id: newPage._id });
  },

  /**
   *  发布页面
   * @returns {Promise<void>}
   */
  async publish() {
    const { ctx, $service, $helper } = app;
    let { id } = ctx.request.body;
    await $service.page.setPublish(id);
    $helper.returnBody(true);
  },
  /**
   * 设为我的模板
   * @returns {Promise<void>}
   */
  async setTemplate() {
    const { ctx, $service, $helper } = app;
    let userData = ctx.userData
    let { id } = ctx.request.body;
    let page = await $service.page.getPageDetail(id);
    page = page.toObject();
    page._id = undefined;
    page.isPublish = false;
    page.isTemplate = true;
    page.members = [];
    page.author = userData._id;
    let newPage = await $service.page.create({...page });
    $helper.returnBody(true, { _id: newPage._id });
  },
  /**
   * 获取模板市场所有模板
   * @returns {Promise<void>}
   */
  async getPublishTemplates() {
    const { ctx, $service, $helper } = app;
    let { pageMode } = ctx.request.query;
    const pages = await $service.page.getPublishTemplates(pageMode);
    $helper.returnBody(true, pages)
  },
  /**
   * 获取页面详情
   * @returns {Promise<void>}
   */

  async pageDetail(ctx) {
    let { pageId } = ctx.request.query;
    const { $service, $helper } = app;
    if (!pageId) {
      // 如果 pageId 不存在，返回 404 错误
      ctx.status = 404;
      ctx.body = {
        status: false,
        body: {},
        msg: 'Page not found',
        code: 404
      };
      return;
    }
    try {
      const pageData = await $service.page.getPageDetail(pageId);
      if (!pageData) {
        // 如果没有找到页面数据，返回 404 错误
        ctx.status = 404;
        ctx.body = {
          status: false,
          body: {},
          msg: 'Page not found',
          code: 404
        };
        return;
      }
      $helper.returnContentBody(ctx, { body: pageData })
    } catch (error) {
      // 处理异常情况
      ctx.status = 500;
      ctx.body = {
        status: false,
        body: {},
        msg: 'Internal Server Error',
        code: 500
      };
    }
  },
  /**
   * 渲染页面
   * @returns {Promise<void>}
   */
  async view() {
    const { ctx, $service } = app;
    let pageId = ctx.params._id;
    const pageData = await $service.page.getPageDetail(pageId);
    let pageMode = {
      'h5': 'h5-swiper',
      'longPage': 'h5-long',
      'relativePage': 'h5-relative',
      'pc': 'pc'
    };
    ctx.status = 200;
    await ctx.render(pageMode[pageData.pageMode], { pageData: pageData })
  },
  /**
   * 下载页面数据为JSON
   */
  async jsonDownload() {
    const { ctx, $service, $helper } = app;
    let { pageId } = ctx.request.query;
    const pageData = await $service.page.getPageDetail(pageId);
    let userID = pageData.author
    let currentPathDir = `/resource/Output/${userID}`
      // 判断文件夹是否存在不存在则新建一个
    await $helper.dirExists(path.join(__dirname, '../public' + currentPathDir));
    await fs.writeFile(path.join(__dirname, '../public' + currentPathDir + `/${pageId}.json`), JSON.stringify(pageData), error => {
      if (error) return console.log("写入文件失败:" + error.message);
      console.log("写入成功");
    })
    $helper.returnBody(true, { outputDir: currentPathDir + `/${pageId}.json` })
  }
})