/*!
 * Webogram v0.0.20 - messaging web application for MTProto
 * https://github.com/zhukov/webogram
 * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
 * https://github.com/zhukov/webogram/blob/master/LICENSE
 */

'use strict';

/* Controllers */

angular.module('myApp.controllers', [])

  .controller('AppWelcomeController', function($scope, $location, MtpApiManager) {
    MtpApiManager.getUserID().then(function (id) {
      if (id) {
        $location.url('/im');
      } else {
        $scope.showWelcome = true;
      }
    });
  })

  .controller('AppLoginController', function ($scope, $location, $timeout, MtpApiManager, ErrorService) {
    MtpApiManager.getUserID().then(function (id) {
      if (id) {
        $location.url('/im');
        return;
      }
    });
    var options = {dcID: 1};

    $scope.credentials = {};
    $scope.progress = {};
    $scope.callPending = {};

    var callTimeout;

    function saveAuth (result) {
      MtpApiManager.setUserAuth(options.dcID, {
        expires: result.expires,
        id: result.user.id
      });
      $timeout.cancel(callTimeout);

      $location.url('/im');
    };

    function callCheck () {
      $timeout.cancel(callTimeout);
      if (!(--$scope.callPending.remaining)) {
        $scope.callPending.success = false;
        MtpApiManager.invokeApi('auth.sendCall', {
          phone_number: $scope.credentials.phone_number,
          phone_code_hash: $scope.credentials.phone_code_hash
        }, options).then(function () {
          $scope.callPending.success = true;
        });
      } else {
        callTimeout = $timeout(callCheck, 1000);
      }
    }

    $scope.sendCode = function () {
      $timeout.cancel(callTimeout);
      $scope.progress.enabled = true;
      MtpApiManager.invokeApi('auth.checkPhone', {
        phone_number: $scope.credentials.phone_number
      }, options).then(function (result) {
        $scope.progress.enabled = false;
        if (!result.phone_registered) {
          ErrorService.showSimpleError('No account', 'Sorry, there is no Telegram account for ' + $scope.credentials.phone_number + '. Please sign up using our mobile apps.');
          return false;
        }

        $scope.progress.enabled = true;
        MtpApiManager.invokeApi('auth.sendCode', {
          phone_number: $scope.credentials.phone_number,
          sms_type: 0,
          api_id: 2496,
          api_hash: '8da85b0d5bfe62527e5b244c209159c3'
        }, options).then(function (sentCode) {
          $scope.progress.enabled = false;

          $scope.credentials.phone_code_hash = sentCode.phone_code_hash;
          $scope.credentials.phone_occupied = sentCode.phone_registered;
          $scope.error = {};

          $scope.callPending.remaining = 60;
          callCheck();

        }, function (error) {
          $scope.progress.enabled = false;
          console.log('sendCode error', error);
          switch (error.type) {
            case 'PHONE_NUMBER_INVALID':
              $scope.error = {field: 'phone'};
              break;
          }
        });
      }, function (error) {
        $scope.progress.enabled = false;
        switch (error.type) {
          case 'PHONE_NUMBER_INVALID':
            $scope.error = {field: 'phone'};
            break;

          default:
            ErrorService.showSimpleError('Unknown error occured', 'Please check your internet connection or install the latest version of Google Chrome browser.');
        }
      });
    }

    $scope.logIn = function (forceSignUp) {
      var method = 'auth.signIn', params = {
        phone_number: $scope.credentials.phone_number,
        phone_code_hash: $scope.credentials.phone_code_hash,
        phone_code: $scope.credentials.phone_code
      };
      if (forceSignUp) {
        method = 'auth.signUp';
        angular.extend(params, {
          first_name: $scope.credentials.first_name,
          last_name: $scope.credentials.last_name
        });
      }

      $scope.progress.enabled = true;
      MtpApiManager.invokeApi(method, params, options).then(saveAuth, function (error) {
        $scope.progress.enabled = false;
        if (error.code == 400 && error.type == 'PHONE_NUMBER_UNOCCUPIED') {
          return $scope.logIn(true);
        } else if (error.code == 400 && error.type == 'PHONE_NUMBER_OCCUPIED') {
          return $scope.logIn(false);
        }


        switch (error.type) {
          case 'FIRSTNAME_INVALID':
            $scope.error = {field: 'first_name'};
            break;
          case 'LASTNAME_INVALID':
            $scope.error = {field: 'last_name'};
            break;
          case 'PHONE_CODE_INVALID':
            $scope.error = {field: 'phone_code'};
            break;
        }
      });

    };
  })

  .controller('AppIMController', function ($scope, $location, $routeParams, $modal, $rootScope, $modalStack, MtpApiManager, AppUsersManager, ContactsSelectService) {

    $scope.$on('$routeUpdate', updateCurDialog);

    $scope.$on('history_focus', function (e, peerData) {
      $modalStack.dismissAll();
      if (peerData.peerString == $scope.curDialog.peer) {
        $scope.$broadcast('ui_history_focus');
      } else {
        $location.url('/im?p=' + peerData.peerString);
      }
    });


    $scope.isLoggedIn = true;
    $scope.openSettings = function () {
      $modal.open({
        templateUrl: 'partials/settings_modal.html',
        controller: 'SettingsModalController',
        scope: $rootScope.$new(),
        windowClass: 'settings_modal_window'
      });
    }

    $scope.openContacts = function () {
      ContactsSelectService.selectContact().then(function (userID) {
        $scope.dialogSelect(AppUsersManager.getUserString(userID));
      });
    }

    $scope.openGroup = function () {
      ContactsSelectService.selectContacts().then(function (userIDs) {

        if (userIDs.length == 1) {
          $scope.dialogSelect(AppUsersManager.getUserString(userIDs[0]));
        } else if (userIDs.length > 1) {
          var scope = $rootScope.$new();
          scope.userIDs = userIDs;

          $modal.open({
            templateUrl: 'partials/chat_create_modal.html',
            controller: 'ChatCreateModalController',
            scope: scope,
            windowClass: 'contacts_modal_window'
          });
        }

      });
    }

    $scope.dialogSelect = function (peerString) {
      $rootScope.$broadcast('history_focus', {peerString: peerString});
    };

    updateCurDialog();

    function updateCurDialog() {
      $scope.curDialog = {
        peer: $routeParams.p || false
      };
    }
  })

  .controller('AppImDialogsController', function ($scope, $location, MtpApiManager, AppUsersManager, AppChatsManager, AppMessagesManager, AppPeersManager) {

    // console.log('init controller');

    $scope.dialogs = [];
    $scope.search = {};

    var offset = 0,
        maxID = 0,
        hasMore = false,
        startLimit = 20,
        limit = 100;

    MtpApiManager.invokeApi('account.updateStatus', {offline: false});
    $scope.$on('dialogs_need_more', function () {
      // console.log('on need more');
      showMoreDialogs();
    });

    $scope.$on('dialog_unread', function (e, dialog) {
      angular.forEach($scope.dialogs, function(curDialog) {
        if (curDialog.peerID == dialog.peerID) {
          curDialog.unreadCount = dialog.count;
        }
      });
    });

    $scope.$on('dialogs_update', function (e, dialog) {
      if ($scope.search.query !== undefined && $scope.search.query.length) {
        return false;
      }

      var pos = false;
      angular.forEach($scope.dialogs, function(curDialog, curPos) {
        if (curDialog.peerID == dialog.peerID) {
          pos = curPos;
        }
      });

      var wrappedDialog = AppMessagesManager.wrapForDialog(dialog.top_message, dialog.unread_count);
      if (pos !== false) {
        var prev = $scope.dialogs.splice(pos, 1);
        safeReplaceObject(prev, wrappedDialog);
        offset++;
      }
      $scope.dialogs.unshift(wrappedDialog);
    });

    $scope.$on('dialog_flush', function (e, dialog) {
      for (var i = 0; i < $scope.dialogs.length; i++) {
        if ($scope.dialogs[i].peerID == dialog.peerID) {
          $scope.dialogs.splice(i, 1);
          break;
        }
      }
    });

    $scope.$watch('search.query', loadDialogs);

    function loadDialogs () {
      offset = 0;
      maxID = 0;
      hasMore = false;

      AppMessagesManager.getDialogs($scope.search.query, maxID, startLimit).then(function (dialogsResult) {
        $scope.dialogs = [];

        if (dialogsResult.dialogs.length) {
          offset += startLimit;

          maxID = dialogsResult.dialogs[dialogsResult.dialogs.length - 1].top_message;
          hasMore = offset < dialogsResult.count;

          angular.forEach(dialogsResult.dialogs, function (dialog) {
            $scope.dialogs.push(AppMessagesManager.wrapForDialog(dialog.top_message, dialog.unread_count));
          });
        }

        $scope.$broadcast('ui_dialogs_change');

        if (!$scope.search.query) {
          AppMessagesManager.getDialogs('', maxID, limit);
        }

      }, function (error) {
        if (error.code == 401) {
          MtpApiManager.logOut()['finally'](function () {
            $location.url('/login');
          });
        }
      });
    }

    function showMoreDialogs () {
      if (!hasMore || !offset) {
        return;
      }

      AppMessagesManager.getDialogs($scope.search.query, maxID, limit).then(function (dialogsResult) {
        offset += limit;
        maxID = dialogsResult.dialogs[dialogsResult.dialogs.length - 1].top_message;
        hasMore = offset < dialogsResult.count;

        angular.forEach(dialogsResult.dialogs, function (dialog) {
          $scope.dialogs.push(AppMessagesManager.wrapForDialog(dialog.top_message, dialog.unread_count));
        });

        $scope.$broadcast('ui_dialogs_append');
      });
    };

  })

  .controller('AppImHistoryController', function ($scope, $location, $timeout, $rootScope, MtpApiManager, AppUsersManager, AppChatsManager, AppMessagesManager, AppPeersManager, ApiUpdatesManager, PeersSelectService, IdleManager, StatusManager) {

    $scope.$watch('curDialog.peer', applyDialogSelect);

    ApiUpdatesManager.attach();

    IdleManager.start();
    StatusManager.start();

    $scope.history = [];
    $scope.historyEmpty = false;
    $scope.mediaType = false;
    $scope.selectedMsgs = {};
    $scope.selectedCount = 0;
    $scope.selectActions = false;
    $scope.missedCount = 0;
    $scope.typing = {};
    $scope.state = {};

    $scope.toggleMessage = toggleMessage;
    $scope.selectedDelete = selectedDelete;
    $scope.selectedForward = selectedForward;
    $scope.selectedCancel = selectedCancel;
    $scope.selectedFlush = selectedFlush;
    $scope.toggleEdit = toggleEdit;
    $scope.toggleMedia = toggleMedia;
    $scope.showPeerInfo = showPeerInfo;

    var peerID,
        offset = 0,
        hasMore = false,
        maxID = 0,
        startLimit = 20,
        limit = 50,
        inputMediaFilters = {
          photos: 'inputMessagesFilterPhotos',
          video: 'inputMessagesFilterVideo',
          documents: 'inputMessagesFilterDocument',
        },
        jump = 0;

    function applyDialogSelect (newPeer) {
      selectedCancel();
      newPeer = newPeer || $scope.curDialog.peer || '';

      peerID = AppPeersManager.getPeerID(newPeer);

      $scope.curDialog.peerID = peerID;
      $scope.curDialog.inputPeer = AppPeersManager.getInputPeer(newPeer);
      $scope.mediaType = false;

      if (peerID) {
        updateHistoryPeer(true);
        loadHistory();
      } else {
        showEmptyHistory();
      }
    }

    function updateHistoryPeer(preload) {
      var peerData = AppPeersManager.getPeer(peerID);
      // console.log('update', preload, peerData);
      if (!peerData || peerData.deleted) {
        return false;
      }

      $scope.history = [];

      $scope.historyPeer = {
        id: peerID,
        data: peerData,
        photo: AppPeersManager.getPeerPhoto(peerID, 'User', 'Group')
      };

      MtpApiManager.getUserID().then(function (id) {
        $scope.ownPhoto = AppUsersManager.getUserPhoto(id, 'User');
      });

      if (preload) {
        $scope.typing = {};
        $scope.$broadcast('ui_peer_change');
        $scope.$broadcast('ui_history_change');
        safeReplaceObject($scope.state, {loaded: true});
      }
    }

    function showMoreHistory () {
      if (!hasMore || !offset) {
        return;
      }
      console.trace('load history');

      var inputMediaFilter = $scope.mediaType && {_: inputMediaFilters[$scope.mediaType]},
          getMessagesPromise = inputMediaFilter
        ? AppMessagesManager.getSearch($scope.curDialog.inputPeer, '', inputMediaFilter, maxID, limit)
        : AppMessagesManager.getHistory($scope.curDialog.inputPeer, maxID, limit);

      getMessagesPromise.then(function (historyResult) {
        offset += limit;
        hasMore = offset < historyResult.count;
        maxID = historyResult.history[historyResult.history.length - 1];

        angular.forEach(historyResult.history, function (id) {
          $scope.history.unshift(AppMessagesManager.wrapForHistory(id));
        });

        $scope.$broadcast('ui_history_prepend');
      }, function () {
        safeReplaceObject($scope.state, {error: true});
      });
    }

    function loadHistory () {
      hasMore = false;
      offset = 0;
      maxID = 0;

      var curJump = ++jump,
          inputMediaFilter = $scope.mediaType && {_: inputMediaFilters[$scope.mediaType]},
          getMessagesPromise = inputMediaFilter
        ? AppMessagesManager.getSearch($scope.curDialog.inputPeer, '', inputMediaFilter, maxID, startLimit)
        : AppMessagesManager.getHistory($scope.curDialog.inputPeer, maxID);

      $scope.historyEmpty = false;

      getMessagesPromise.then(function (historyResult) {
        if (curJump != jump) return;

        offset += historyResult.history.length;
        $scope.historyEmpty = !historyResult.count;

        hasMore = offset < historyResult.count;
        maxID = historyResult.history[historyResult.history.length - 1];

        updateHistoryPeer();
        angular.forEach(historyResult.history, function (id) {
          $scope.history.push(AppMessagesManager.wrapForHistory(id));
        });
        $scope.history.reverse();

        if (historyResult.unreadLimit) {
          $scope.historyUnread = {
            beforeID: historyResult.history[historyResult.unreadLimit - 1],
            count: historyResult.unreadLimit
          };
        } else {
          $scope.historyUnread = {};
        }

        safeReplaceObject($scope.state, {loaded: true});

        $scope.$broadcast('ui_history_change');

        AppMessagesManager.readHistory($scope.curDialog.inputPeer);

      }, function () {
        safeReplaceObject($scope.state, {error: true});
      });
    }

    function showEmptyHistory () {
      safeReplaceObject($scope.state, {notSelected: true});
      $scope.history = [];

      $scope.$broadcast('ui_history_change');
    }

    function toggleMessage (messageID, target) {
      if (!$scope.selectActions && !$(target).hasClass('icon-select-tick') && !$(target).hasClass('im_content_message_select_area')) {
        return false;
      }
      if ($scope.selectedMsgs[messageID]) {
        delete $scope.selectedMsgs[messageID];
        $scope.selectedCount--;
        if (!$scope.selectedCount) {
          $scope.selectActions = false;
          $scope.$broadcast('ui_panel_update');
        }
      } else {
        $scope.selectedMsgs[messageID] = true;
        $scope.selectedCount++;
        if (!$scope.selectActions) {
          $scope.selectActions = true;
          $scope.$broadcast('ui_panel_update');
        }
      }
    }

    function selectedCancel () {
      $scope.selectedMsgs = {};
      $scope.selectedCount = 0;
      $scope.selectActions = false;
      $scope.$broadcast('ui_panel_update');
    }

    function selectedFlush () {
      if (safeConfirm('Are you sure? This can not be undone!') !== true) {
        return false;
      }
      AppMessagesManager.flushHistory($scope.curDialog.inputPeer).then(function () {
        selectedCancel();
      });
    };

    function selectedDelete () {
      if ($scope.selectedCount > 0) {
        var selectedMessageIDs = [];
        angular.forEach($scope.selectedMsgs, function (t, messageID) {
          selectedMessageIDs.push(messageID);
        });
        AppMessagesManager.deleteMessages(selectedMessageIDs).then(function () {
          selectedCancel();
        });
      }
    }


    function selectedForward () {
      if ($scope.selectedCount > 0) {
        var selectedMessageIDs = [];
        angular.forEach($scope.selectedMsgs, function (t, messageID) {
          selectedMessageIDs.push(messageID);
        });

        PeersSelectService.selectPeer().then(function (peerString) {
          var inputPeer = AppPeersManager.getInputPeer(peerString);
          AppMessagesManager.forwardMessages(selectedMessageIDs, inputPeer).then(function () {
            selectedCancel();
            $rootScope.$broadcast('history_focus', {peerString: peerString});
          });
        });

      }
    }

    function toggleEdit () {
      if ($scope.selectActions) {
        selectedCancel();
      } else {
        $scope.selectActions = true;
        $scope.$broadcast('ui_panel_update');
      }
    }

    function toggleMedia (mediaType) {
      if (mediaType) {
        $scope.missedCount = 0;
      }
      $scope.mediaType = mediaType || false;
      $scope.history = [];
      loadHistory();
    }

    function showPeerInfo () {
      if ($scope.curDialog.peerID > 0) {
        $rootScope.openUser($scope.curDialog.peerID)
      } else if ($scope.curDialog.peerID < 0) {
        $rootScope.openChat(-$scope.curDialog.peerID)
      }
    }


    var typingTimeouts = {};

    $scope.$on('history_update', angular.noop);

    $scope.$on('history_append', function (e, addedMessage) {
      if (addedMessage.peerID == $scope.curDialog.peerID) {
        if ($scope.mediaType) {
          $scope.missedCount++;
          return;
        }
        // console.log('append', addedMessage);
        // console.trace();
        $scope.history.push(AppMessagesManager.wrapForHistory(addedMessage.messageID));
        $scope.typing = {};
        $scope.$broadcast('ui_history_append', {my: addedMessage.my});
        if (addedMessage.my) {
          $scope.historyUnread = {};
        }

        offset++;

        // console.log('append check', $rootScope.idle.isIDLE, addedMessage.peerID, $scope.curDialog.peerID);
        if (!$rootScope.idle.isIDLE) {
          $timeout(function () {
            AppMessagesManager.readHistory($scope.curDialog.inputPeer);
          });
        }
      }
    });

    $scope.$on('history_delete', function (e, historyUpdate) {
      if (historyUpdate.peerID == $scope.curDialog.peerID) {
        var newHistory = [];

        for (var i = 0; i < $scope.history.length; i++) {
          if (!historyUpdate.msgs[$scope.history[i].id]) {
            newHistory.push($scope.history[i]);
          }
        };
        $scope.history = newHistory;
      }
    })

    $scope.$on('dialog_flush', function (e, dialog) {
      if (dialog.peerID == $scope.curDialog.peerID) {
        $scope.history = [];
      }
    });

    $scope.$on('apiUpdate', function (e, update) {
      // console.log('on apiUpdate inline', update);
      switch (update._) {
        case 'updateUserTyping':
          if (update.user_id == $scope.curDialog.peerID && AppUsersManager.hasUser(update.user_id)) {
            $scope.typing = {user: AppUsersManager.getUser(update.user_id)};

            $timeout.cancel(typingTimeouts[update.user_id]);

            typingTimeouts[update.user_id] = $timeout(function () {
              $scope.typing = {};
            }, 6000);
          }
          break;

        case 'updateChatUserTyping':
          if (-update.chat_id == $scope.curDialog.peerID && AppUsersManager.hasUser(update.user_id)) {
            $scope.typing = {user: AppUsersManager.getUser(update.user_id)};

            $timeout.cancel(typingTimeouts[update.user_id]);

            typingTimeouts[update.user_id] = $timeout(function () {
              $scope.typing = {};
            }, 6000);
          }
          break;
      }
    });

    $scope.$on('history_need_more', function () {
      showMoreHistory();
    });

    $rootScope.$watch('idle.isIDLE', function (newVal) {
      if (!newVal && $scope.curDialog && $scope.curDialog.peerID) {
        AppMessagesManager.readHistory($scope.curDialog.inputPeer);
      }
    });

  })

  .controller('AppImPanelController', function($scope) {
    $scope.$on('user_update', angular.noop);
  })

  .controller('AppImSendController', function ($scope, $timeout, MtpApiManager, AppConfigManager, AppPeersManager, AppMessagesManager, ApiUpdatesManager, MtpApiFileManager) {

    $scope.$watch('curDialog.peer', resetDraft);
    $scope.$on('user_update', angular.noop);
    $scope.$on('ui_typing', onTyping);

    $scope.draftMessage = {text: ''};
    $scope.$watch('draftMessage.text', onMessageChange);
    $scope.$watch('draftMessage.files', onFilesSelected);


    $scope.sendMessage = sendMessage;

    function sendMessage (e) {
      $scope.$broadcast('ui_message_before_send');

      $timeout(function () {
        var text = $scope.draftMessage.text;

        if (!text.length) {
          return false;
        }

        text = text.replace(/:([a-z0-9\-\+\*_]+?):/gi, function (all, name) {
          var utfChar = $.emojiarea.reverseIcons[name];
          if (utfChar !== undefined) {
            return utfChar;
          }
          return all;
        });

        do {
          AppMessagesManager.sendText($scope.curDialog.peerID, text.substr(0, 4096));
          text = text.substr(4096);
        } while (text.length);

        resetDraft();
        $scope.$broadcast('ui_message_send');
      });

      return cancelEvent(e);
    }


    function resetDraft (newPeer) {
      if (newPeer) {
        AppConfigManager.get('draft' + $scope.curDialog.peerID).then(function (draftText) {
          // console.log('Restore draft', 'draft' + $scope.curDialog.peerID, draftText);
          $scope.draftMessage.text = draftText || '';
          // console.log('send broadcast', $scope.draftMessage);
          $scope.$broadcast('ui_peer_draft');
        });
      } else {
        // console.log('Reset peer');
        $scope.draftMessage.text = '';
        $scope.$broadcast('ui_peer_draft');
      }
    }

    function onMessageChange(newVal) {
      // console.log('ctrl text changed', newVal);
      // console.trace('ctrl text changed', newVal);
      AppMessagesManager.readHistory($scope.curDialog.inputPeer);

      if (newVal && newVal.length) {
        var backupDraftObj = {};
        backupDraftObj['draft' + $scope.curDialog.peerID] = newVal;
        AppConfigManager.set(backupDraftObj);
        // console.log('draft save', backupDraftObj);
      } else {
        AppConfigManager.remove('draft' + $scope.curDialog.peerID);
        // console.log('draft delete', 'draft' + $scope.curDialog.peerID);
      }
    }

    function onTyping () {
      MtpApiManager.invokeApi('messages.setTyping', {
        peer: $scope.curDialog.inputPeer,
        typing: true
      });
    }

    function onFilesSelected (newVal) {
      if (!angular.isArray(newVal) || !newVal.length) {
        return;
      }

      for (var i = 0; i < newVal.length; i++) {
        AppMessagesManager.sendFile($scope.curDialog.peerID, newVal[i], {
          isMedia: $scope.draftMessage.isMedia
        });
        $scope.$broadcast('ui_message_send');
      }
    }

  })

  .controller('PhotoModalController', function ($scope, AppPhotosManager) {
    $scope.photo = AppPhotosManager.wrapForFull($scope.photoID);
  })

  .controller('VideoModalController', function ($scope, AppVideoManager) {
    $scope.video = AppVideoManager.wrapForFull($scope.videoID);
  })

  .controller('UserModalController', function ($scope, $location, $rootScope, $modalStack, AppUsersManager, NotificationsManager, AppMessagesManager, AppPeersManager) {
    $scope.user = AppUsersManager.wrapForFull($scope.userID);

    $scope.settings = {notifications: true};

    NotificationsManager.getPeerMuted($scope.userID).then(function (muted) {
      $scope.settings.notifications = !muted;

      $scope.$watch('settings.notifications', function(newValue, oldValue) {
        if (newValue === oldValue) {
          return false;
        }
        NotificationsManager.getPeerSettings($scope.userID).then(function (settings) {
          if (newValue) {
            settings.mute_until = 0;
          } else {
            settings.mute_until = 2000000000;
          }
          NotificationsManager.savePeerSettings($scope.userID, settings);
        });
      });
    });


    $scope.goToHistory = function () {
      $rootScope.$broadcast('history_focus', {peerString: $scope.user.peerString});
    };

    $scope.flushHistory = function () {
      if (safeConfirm('Are you sure? This can not be undone!') !== true) {
        return false;
      }
      AppMessagesManager.flushHistory(AppPeersManager.getInputPeerByID($scope.userID)).then(function () {
        $scope.goToHistory();
      });
    };
  })

  .controller('ChatModalController', function ($scope, $timeout, $rootScope, $modal, AppUsersManager, AppChatsManager, MtpApiManager, MtpApiFileManager, NotificationsManager, AppMessagesManager, AppPeersManager, ApiUpdatesManager, ContactsSelectService) {

    $scope.chatFull = AppChatsManager.wrapForFull($scope.chatID, {});

    MtpApiManager.invokeApi('messages.getFullChat', {
      chat_id: $scope.chatID
    }).then(function (result) {
      AppChatsManager.saveApiChats(result.chats);
      AppUsersManager.saveApiUsers(result.users);

      $scope.chatFull = AppChatsManager.wrapForFull($scope.chatID, result.full_chat);
    });

    $scope.settings = {notifications: true};

    NotificationsManager.getPeerMuted(-$scope.chatID).then(function (muted) {
      $scope.settings.notifications = !muted;

      $scope.$watch('settings.notifications', function(newValue, oldValue) {
        if (newValue === oldValue) {
          return false;
        }
        NotificationsManager.getPeerSettings(-$scope.chatID).then(function (settings) {
          if (newValue) {
            settings.mute_until = 0;
          } else {
            settings.mute_until = 2000000000;
          }
          NotificationsManager.savePeerSettings(-$scope.chatID, settings);
        });
      });
    });

    function onStatedMessage (statedMessage) {
      AppUsersManager.saveApiUsers(statedMessage.users);
      AppChatsManager.saveApiChats(statedMessage.chats);

      if (ApiUpdatesManager.saveSeq(statedMessage.seq)) {
        ApiUpdatesManager.saveUpdate({
          _: 'updateNewMessage',
          message: statedMessage.message,
          pts: statedMessage.pts
        });
      }

      $rootScope.$broadcast('history_focus', {peerString: $scope.chatFull.peerString});
    }


    $scope.leaveGroup = function () {
      MtpApiManager.invokeApi('messages.deleteChatUser', {
        chat_id: $scope.chatID,
        user_id: {_: 'inputUserSelf'}
      }).then(onStatedMessage);
    };

    $scope.returnToGroup = function () {
      MtpApiManager.invokeApi('messages.addChatUser', {
        chat_id: $scope.chatID,
        user_id: {_: 'inputUserSelf'}
      }).then(onStatedMessage);
    };


    $scope.inviteToGroup = function () {
      var disabled = [];
      angular.forEach($scope.chatFull.participants.participants, function(participant){
        disabled.push(participant.user_id);
      });

      ContactsSelectService.selectContacts({disabled: disabled}).then(function (userIDs) {
        angular.forEach(userIDs, function (userID) {
          MtpApiManager.invokeApi('messages.addChatUser', {
            chat_id: $scope.chatID,
            user_id: {_: 'inputUserContact', user_id: userID},
            fwd_limit: 100
          }).then(function (addResult) {
            AppUsersManager.saveApiUsers(addResult.users);
            AppChatsManager.saveApiChats(addResult.chats);

            if (ApiUpdatesManager.saveSeq(addResult.seq)) {
              ApiUpdatesManager.saveUpdate({
                _: 'updateNewMessage',
                message: addResult.message,
                pts: addResult.pts
              });
            }
          });
        });

        $rootScope.$broadcast('history_focus', {peerString: $scope.chatFull.peerString});
      });
    };

    $scope.kickFromGroup = function (userID) {
      var user = AppUsersManager.getUser(userID);

      console.log({_: 'inputUserForeign', user_id: userID, access_hash: user.access_hash || '0'}, user);

      MtpApiManager.invokeApi('messages.deleteChatUser', {
        chat_id: $scope.chatID,
        user_id: {_: 'inputUserForeign', user_id: userID, access_hash: user.access_hash || '0'}
      }).then(onStatedMessage);
    };



    $scope.flushHistory = function () {
      if (safeConfirm('Are you sure? This can not be undone!') !== true) {
        return;
      }
      AppMessagesManager.flushHistory(AppPeersManager.getInputPeerByID(-$scope.chatID)).then(function () {
        $rootScope.$broadcast('history_focus', {peerString: $scope.chatFull.peerString});
      });

    };


    $scope.photo = {};

    $scope.$watch('photo.file', onPhotoSelected);

    function onPhotoSelected (photo) {
      if (!photo || !photo.hasOwnProperty('name')) {
        return;
      }
      $scope.photo.updating = true;
      MtpApiFileManager.uploadFile(photo).then(function (inputFile) {
        MtpApiManager.invokeApi('messages.editChatPhoto', {
          chat_id: $scope.chatID,
          photo: {
            _: 'inputChatUploadedPhoto',
            file: inputFile,
            crop: {_: 'inputPhotoCropAuto'}
          }
        }).then(function (updateResult) {
          onStatedMessage(updateResult);
          $scope.photo.updating = false;
        });
      });
    };

    $scope.deletePhoto = function () {
      $scope.photo.updating = true;
      MtpApiManager.invokeApi('messages.editChatPhoto', {
        chat_id: $scope.chatID,
        photo: {_: 'inputChatPhotoEmpty'}
      }).then(function (updateResult) {
        onStatedMessage(updateResult);
        $scope.photo.updating = false;
      });
    };

    $scope.editTitle = function () {
      var scope = $rootScope.$new();
      scope.chatID = $scope.chatID;

      $modal.open({
        templateUrl: 'partials/chat_edit_modal.html',
        controller: 'ChatEditModalController',
        scope: scope,
        windowClass: 'contacts_modal_window'
      });
    }

  })

  .controller('SettingsModalController', function ($rootScope, $scope, $timeout, AppUsersManager, AppChatsManager, MtpApiManager, AppConfigManager, NotificationsManager, MtpApiFileManager, ApiUpdatesManager) {

    $scope.profile = {};

    MtpApiManager.getUserID().then(function (id) {
      var user = AppUsersManager.getUser(id);
      $scope.profile.first_name = user.first_name;
      $scope.profile.last_name = user.last_name;
      $scope.profile.photo = AppUsersManager.getUserPhoto(id, 'User');

      $scope.phone = user.phone;
    });

    $scope.notify = {};
    $scope.send = {};

    $scope.photo = {};

    $scope.$watch('photo.file', onPhotoSelected);

    function onPhotoSelected (photo) {
      if (!photo || !photo.hasOwnProperty('name')) {
        return;
      }
      $scope.photo.updating = true;
      MtpApiFileManager.uploadFile(photo).then(function (inputFile) {
        MtpApiManager.invokeApi('photos.uploadProfilePhoto', {
          file: inputFile,
          caption: '',
          geo_point: {_: 'inputGeoPointEmpty'},
          crop: {_: 'inputPhotoCropAuto'}
        }).then(function (updateResult) {
          AppUsersManager.saveApiUsers(updateResult.users);
          MtpApiManager.getUserID().then(function (id) {
            ApiUpdatesManager.saveUpdate({
              _: 'updateUserPhoto',
              user_id: id,
              date: tsNow(true),
              photo: AppUsersManager.getUser(id).photo,
              previous: true
            });
            $scope.profile.photo = AppUsersManager.getUserPhoto(id, 'User');
          });
          $scope.photo.updating = false;
        });
      });
    };

    $scope.deletePhoto = function () {
      $scope.photo.updating = true;
      MtpApiManager.invokeApi('photos.updateProfilePhoto', {
        id: {_: 'inputPhotoEmpty'},
        crop: {_: 'inputPhotoCropAuto'}
      }).then(function (updateResult) {
        MtpApiManager.getUserID().then(function (id) {
          ApiUpdatesManager.saveUpdate({
            _: 'updateUserPhoto',
            user_id: id,
            date: tsNow(true),
            photo: updateResult,
            previous: true
          });
          $scope.profile.photo = AppUsersManager.getUserPhoto(id, 'User');
        });
        $scope.photo.updating = false;
      });
    };

    AppConfigManager.get('notify_nodesktop', 'notify_nosound', 'send_ctrlenter').then(function (settings) {
      $scope.notify.desktop = !settings[0];
      $scope.notify.sound = !settings[1];
      $scope.send.enter = settings[2] ? '' : '1';

      $scope.$watch('notify.sound', function(newValue, oldValue) {
        if (newValue === oldValue) {
          return false;
        }
        if (newValue) {
          AppConfigManager.remove('notify_nosound');
        } else {
          AppConfigManager.set({notify_nosound: true});
          NotificationsManager.clear();
        }
      });

      $scope.$watch('notify.desktop', function(newValue, oldValue) {
        if (newValue === oldValue) {
          return false;
        }
        if (newValue) {
          AppConfigManager.remove('notify_nodesktop');
        } else {
          AppConfigManager.set({notify_nodesktop: true});
        }
      });

      $scope.$watch('send.enter', function(newValue, oldValue) {
        if (newValue === oldValue) {
          return false;
        }
        if (newValue) {
          AppConfigManager.remove('send_ctrlenter');
        } else {
          AppConfigManager.set({send_ctrlenter: true});
        }
        $rootScope.$broadcast('settings_changed');
      });
    });


    $scope.error = {};
    $scope.save = function (profileForm) {
      MtpApiManager.invokeApi('account.updateProfile', {
        first_name: $scope.profile.first_name || '',
        last_name: $scope.profile.last_name || ''
      }).then(function (user) {
        $scope.error = {};
        // console.log($scope.profileForm);
        profileForm.$setPristine();
        AppUsersManager.saveApiUser(user);
      }, function (error) {
        switch (error.type) {
          case 'FIRSTNAME_INVALID':
            $scope.error = {field: 'first_name'};
            break;

          case 'LASTNAME_INVALID':
            $scope.error = {field: 'last_name'};
            break;

          case 'NAME_NOT_MODIFIED':
            $scope.error = {};
            break;
        }
      });
    }

    $scope.logOut = function () {
      MtpApiManager.logOut().then(function () {
        location.hash = '/login';
        location.reload();
      });
    }
  })

  .controller('ContactsModalController', function ($scope, $modalInstance, AppUsersManager) {
    $scope.contacts = [];
    $scope.search = {};

    $scope.selectedContacts = {};
    $scope.disabledContacts = {};
    $scope.selectedCount = 0;

    if ($scope.disabled) {
      for (var i = 0; i < $scope.disabled.length; i++) {
        $scope.disabledContacts[$scope.disabled[i]] = true;
      }
    }

    if ($scope.selected) {
      for (var i = 0; i < $scope.selected.length; i++) {
        if (!$scope.selectedContacts[$scope.selected[i]]) {
          $scope.selectedContacts[$scope.selected[i]] = true;
          $scope.selectedCount++;
        }
      }
    }

    $scope.$watch('search.query', function (newValue) {
      AppUsersManager.getContacts(newValue).then(function (contactsList) {
        $scope.contacts = [];
        angular.forEach(contactsList, function(userID) {
          var contact = {
            userID: userID,
            user: AppUsersManager.getUser(userID),
            userPhoto: AppUsersManager.getUserPhoto(userID, 'User')
          }
          $scope.contacts.push(contact);
        });
        $scope.$broadcast('contacts_change');
      });
    });

    $scope.contactSelect = function (userID) {
      if ($scope.disabledContacts[userID]) {
        return false;
      }
      if (!$scope.multiSelect) {
        return $modalInstance.close(userID);
      }
      if ($scope.selectedContacts[userID]) {
        delete $scope.selectedContacts[userID];
        $scope.selectedCount--;
      } else {
        $scope.selectedContacts[userID] = true;
        $scope.selectedCount++;
      }
    };

    $scope.submitSelected = function () {
      if ($scope.selectedCount > 0) {
        var selectedUserIDs = [];
        angular.forEach($scope.selectedContacts, function (t, userID) {
          selectedUserIDs.push(userID);
        });
        return $modalInstance.close(selectedUserIDs);
      }
    }

  })

  .controller('PeerSelectController', function ($scope, $modalInstance) {

    $scope.dialogSelect = function (peerString) {
      $modalInstance.close(peerString);
    };

  })

  .controller('ChatCreateModalController', function ($scope, $modalInstance, $rootScope, MtpApiManager, AppUsersManager, AppChatsManager, ApiUpdatesManager) {
    $scope.group = {name: ''};

    $scope.createGroup = function () {
      if (!$scope.group.name) {
        return;
      }
      var inputUsers = [];
      angular.forEach($scope.userIDs, function(userID) {
        inputUsers.push({_: 'inputUserContact', user_id: userID});
      });
      return MtpApiManager.invokeApi('messages.createChat', {
        title: $scope.group.name,
        users: inputUsers
      }).then(function (createdResult) {
        AppUsersManager.saveApiUsers(createdResult.users);
        AppChatsManager.saveApiChats(createdResult.chats);

        if (ApiUpdatesManager.saveSeq(createdResult.seq)) {
          ApiUpdatesManager.saveUpdate({
            _: 'updateNewMessage',
            message: createdResult.message,
            pts: createdResult.pts
          });
        }

        var peerString = AppChatsManager.getChatString(createdResult.message.to_id.chat_id);
        $rootScope.$broadcast('history_focus', {peerString: peerString});
      });
    };

    $scope.back = function () {
      $modalInstance.dismiss();
    };

  })

  .controller('ChatEditModalController', function ($scope, $modalInstance, $rootScope, MtpApiManager, AppUsersManager, AppChatsManager, ApiUpdatesManager) {

    var chat = AppChatsManager.getChat($scope.chatID);
    $scope.group = {name: chat.title};

    $scope.updateGroup = function () {
      if (!$scope.group.name) {
        return;
      }
      if ($scope.group.name == chat.title) {
        return $modalInstance.close();
      }

      return MtpApiManager.invokeApi('messages.editChatTitle', {
        chat_id: $scope.chatID,
        title: $scope.group.name
      }).then(function (editResult) {
        AppUsersManager.saveApiUsers(editResult.users);
        AppChatsManager.saveApiChats(editResult.chats);

        if (ApiUpdatesManager.saveSeq(editResult.seq)) {
          ApiUpdatesManager.saveUpdate({
            _: 'updateNewMessage',
            message: editResult.message,
            pts: editResult.pts
          });
        }

        var peerString = AppChatsManager.getChatString($scope.chatID);
        $rootScope.$broadcast('history_focus', {peerString: peerString});
      });
    };
  })