/* eslint-disable */
module.exports = (function () {
  var dependentApps = {
    about: {
      appDefinitionId: '14dbef06-cc42-5583-32a7-3abd44da4908',
      pageId: 'about'
    },
    followers: {
      appDefinitionId: '14ebe801-d78a-daa9-c9e5-0286a891e46f',
      pageId: 'following_followers'
    },
    notifications: {
      appDefinitionId: '14f25924-5664-31b2-9568-f9c5ed98c9b1',
      pageId: 'notifications_app'
    },
    settings: {
      appDefinitionId: '14f25dc5-6af3-5420-9568-f9c5ed98c9b1',
      pageId: 'settings'
    },
  };

  var membersAppDefId = '14cc59bc-f0b7-15b8-e1c7-89ce41d0e0c9';
  var forumAppDefId = '14724f35-6794-cd1a-0244-25fd138f9242'; // This value is replaced with real while serving the script.
  var allMembersAppDefId = '14dbefd2-01b4-fb61-32a7-3abd44da4908';

  var groups = {
    appDefinitionId: '14724f35-6794-cd1a-0244-25fd138f9242',
    pageId: 'groups_forum'
  };

  let appToken;
  let sdk;

  function addPage(args) {
    return Promise.resolve(sdk.application.getPublicAPI(appToken, { appDefinitionId: membersAppDefId }))
      .then(membersAPI => {
        var options = Object.assign({
          numbers: {},
          showInLoginMenu: false,
          showInMemberMenu: true,
          social: true,
          socialHome: false,
          urlOverride: null
        }, args);

        return membersAPI[options.method]({
          appDefinitionId: options.appDefinitionId,
          pageId: options.pageId,
          loginMenuTitle: options.loginMenuTitle,
          social: options.social,
          showInLoginMenu: options.showInLoginMenu,
          numbers: options.numbers,
          menuOrder: options.menuOrder,
          showInMemberMenu: options.showInMemberMenu,
          socialHome: options.socialHome,
          urlOverride: options.urlOverride
        });
      });
  }

  function addGroupsPage(args, groupsAppDefinitionId) {
    return Promise.resolve(sdk.application.getPublicAPI(appToken, { appDefinitionId: groupsAppDefinitionId }))
      .then(groupsApi => {
        var options = Object.assign({
          urlOverride: null,
        }, args);

        return groupsApi[options.method]({
          appDefinitionId: options.appDefinitionId,
          pageId: options.pageId,
          menuOrder: options.menuOrder,
          showInMemberMenu: options.showInMemberMenu,
          urlOverride: options.urlOverride,
          titleOverride: options.titleOverride,
        });
      });
  }

  function addAboutPage() {
    return addPage({
      appDefinitionId: dependentApps.about.appDefinitionId,
      pageId: dependentApps.about.pageId,
      method: 'addApplication',
      loginMenuTitle: 'Profile',
      showInLoginMenu: true,
      menuOrder: 1,
      socialHome: true,
      urlOverride: 'profile'
    });
  }

  function addFollowersPage() {
    return addPage({
      appDefinitionId: dependentApps.followers.appDefinitionId,
      pageId: dependentApps.followers.pageId,
      method: 'addApplication',
      showInMemberMenu: false,
      menuOrder: 2,
      urlOverride: 'followers'
    });
  }

  function addNotificationsPage() {
    var numbers = {
      key: 'notificationsCount',
      default: 0
    };
    return addPage({
      appDefinitionId: dependentApps.notifications.appDefinitionId,
      pageId: dependentApps.notifications.pageId,
      numbers: numbers,
      method: 'addApplication',
      menuOrder: 4,
      social: false,
      urlOverride: 'notifications'
    });
  }

  function addSettingsPage() {
    return addPage({
      appDefinitionId: dependentApps.settings.appDefinitionId,
      pageId: dependentApps.settings.pageId,
      method: 'addApplication',
      menuOrder: 4,
      social: false,
      urlOverride: 'settings'
    });
  }

  function addAllMembersPage() {
    return addPage({
      method: 'addApplicationToSite',
      appDefinitionId: allMembersAppDefId
    });
  }

  function addPostsPage() {
    var numbers = {
      key: 'postsCount',
      default: 0
    };
    return addPage({
      numbers: numbers,
      method: 'addSection',
      appDefinitionId: forumAppDefId,
      pageId: 'member-posts-page',
      urlOverride: 'forum-posts',
      menuOrder: 2
    });
  }

  function addCommentsPage() {
    return addPage({
      method: 'addSection',
      appDefinitionId: forumAppDefId,
      pageId: 'member-comments-page',
      urlOverride: 'forum-comments',
      menuOrder: 2
    });
  }

  function addLikesPage() {
    return addPage({
      method: 'addSection',
      appDefinitionId: forumAppDefId,
      pageId: 'member-likes-page',
      urlOverride: 'forum-likes',
      menuOrder: 2
    });
  }

  function addGroupsForumPage(groupsAppDefinitionId) {
    return addGroupsPage({
      method: 'addSection',
      appDefinitionId: groups.appDefinitionId,
      pageId: groups.pageId,
      urlOverride: 'forum',
      titleOverride: 'Discussions',
      menuOrder: 1
    }, groupsAppDefinitionId);
  }

  function setDependantApps() {
    return Promise.resolve(sdk.application.getPublicAPI(appToken, { appDefinitionId: membersAppDefId }))
      .then(membersAPI => {
        var dependencies = Object.keys(dependentApps).map(function (app) {
          return dependentApps[app].appDefinitionId;
        });
        return membersAPI && membersAPI.setDependantApps({
            appId: forumAppDefId,
            dependencies: dependencies
          });
      });
  }

  function installMembersAreaSections() {
    return Promise.resolve()
      .then(addAboutPage)
      .then(addFollowersPage)
      .then(addAllMembersPage)
      .then(addPostsPage)
      .then(addNotificationsPage)
      .then(addSettingsPage)
      .then(setDependantApps);
    // .then(addCommentsPage)
    // .then(addLikesPage)
  }

  function installGroupsSections(appDefinitionId) {
    console.log('[forum]', 'installGroupsSections()', appDefinitionId);
    return Promise.resolve()
      .then(function () {
        return addGroupsForumPage(appDefinitionId)
      });
  }

  function upgradeForum() {
    return sdk.info.getAppInstance({ appDefinitionId: forumAppDefId }).then(function (instance) {
      return new Promise(function (resolve) {
        fetch('https://forums.wix.com/_api/forums/this/upgrade?instance=' + instance, {
          method: 'POST',
          headers: {
            'content-type': 'application/json'
          }
        })
          .then(resolve)
          .catch(function (error) {
            console.error('upgradeForum()', error);
            resolve();
          });
      });
    });
  }

  return {
    editorReady: function (_editorSDK, _appToken) {
      return new Promise(function (resolve) {
        console.log('forum platform app is up');
        appToken = _appToken;
        sdk = _editorSDK;
        return resolve();
      })
        .then(setDependantApps)
    },
    getAppManifest: function () {
      return ({});
    },
    handleAction: function (args) {
      var type = args.type, payload = args.payload;
      try {
        switch (type) {
          case 'appInstalled':
            switch (payload.appDefinitionId) {
              case forumAppDefId: {
                return Promise.resolve()
                  .then(() => {
                    return Promise.all([
                      sdk.tpa.app.getDataByAppDefId(appToken, forumAppDefId),
                      sdk.pages.data.getAll(appToken)
                    ]);
                  })
                  .then(res => {
                    var forumAppData = res[0] || {};
                    var allPages = res[1] || [];
                    var forumPage = allPages.find(page => page.tpaPageId === 'forum' && page.tpaApplicationId === forumAppData.applicationId);
                    if (false) {
                      return Promise.resolve();
                    }
                    return forumPage && sdk.document.pages.navigateTo(appToken, {pageLink: {type: 'PageLink', pageId: forumPage.id}});
                  })
                  .then(() => sdk.document.save())
                  .then(() => {
                    return sdk.application.install(appToken, {
                      appDefinitionId: membersAppDefId,
                      initiatorAppDefinitionId: forumAppDefId
                    });
                  });
              }
              case membersAppDefId: {
                return sdk.tpa.isApplicationInstalled(appToken, { appDefinitionId: forumAppDefId })
                  .then(function (isInstalled) {
                    return isInstalled ? installMembersAreaSections().then(upgradeForum) : Promise.resolve();
                  });
              }
              default:
                return Promise.resolve()
            }
          default:
            console.log(type, payload);
            return Promise.resolve();
        }
      }
      catch (e) {
        Promise.reject();
        throw e;
      }
    },
    getControllerPresets: function () {
      return Promise.resolve([]);
    },
    exports: {
      installGroupsSections: installGroupsSections,
    }
  };
})();