import {
  Component,
  OnInit,
  OnDestroy,
  ViewChild,
  ElementRef,
  AfterViewInit
} from '@angular/core';
import {
  ucapAnimations,
  SnackBarService,
  ClipboardService,
  DialogService,
  ConfirmDialogComponent,
  ConfirmDialogData,
  ConfirmDialogResult,
  AlertDialogComponent,
  AlertDialogData,
  AlertDialogResult,
  FileUploadQueueComponent
} from '@ucap-webmessenger/ui';
import { Store, select } from '@ngrx/store';
import { NGXLogger } from 'ngx-logger';
import { Observable, Subscription, forkJoin, of } from 'rxjs';
import {
  Info,
  EventType,
  isRecalled,
  isCopyable,
  isRecallable,
  InfoResponse,
  EventJson
} from '@ucap-webmessenger/protocol-event';

import * as AppStore from '@app/store';
import * as EventStore from '@app/store/messenger/event';
import * as ChatStore from '@app/store/messenger/chat';
import * as RoomStore from '@app/store/messenger/room';
import { LoginResponse } from '@ucap-webmessenger/protocol-authentication';
import { SessionStorageService } from '@ucap-webmessenger/web-storage';
import {
  EnvironmentsInfo,
  KEY_ENVIRONMENTS_INFO,
  UserSelectDialogType
} from '@app/types';
import { RoomInfo, UserInfo, RoomType } from '@ucap-webmessenger/protocol-room';
import { tap, take, map, catchError } from 'rxjs/operators';
import {
  FileInfo,
  FormComponent as UCapUiChatFormComponent
} from '@ucap-webmessenger/ui-chat';
import { KEY_VER_INFO } from '@app/types/ver-info.type';
import { VersionInfo2Response } from '@ucap-webmessenger/api-public';
import { MatMenuTrigger } from '@angular/material';
import {
  CommonApiService,
  FileUploadItem,
  FileTalkSaveRequest,
  FileTalkSaveResponse
} from '@ucap-webmessenger/api-common';
import {
  CreateChatDialogComponent,
  CreateChatDialogData,
  CreateChatDialogResult
} from '../dialogs/chat/create-chat.dialog.component';
import {
  FileViewerDialogComponent,
  FileViewerDialogData,
  FileViewerDialogResult
} from '@app/layouts/common/dialogs/file-viewer.dialog.component';
import { CONST } from '@ucap-webmessenger/core';
import { PerfectScrollbarComponent } from 'ngx-perfect-scrollbar';
import { StatusCode } from '@ucap-webmessenger/api';

@Component({
  selector: 'app-layout-messenger-messages',
  templateUrl: './messages.component.html',
  styleUrls: ['./messages.component.scss'],
  animations: ucapAnimations
})
export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
  @ViewChild('messageBoxContainer', { static: true })
  private messageBoxContainer: ElementRef;

  @ViewChild('chatForm', { static: true })
  private chatForm: UCapUiChatFormComponent;

  @ViewChild('messageContextMenuTrigger', { static: true })
  messageContextMenuTrigger: MatMenuTrigger;
  messageContextMenuPosition = { x: '0px', y: '0px' };

  @ViewChild('psChatContent', { static: true })
  psChatContent: PerfectScrollbarComponent;

  @ViewChild('fileUploadQueue', { static: true })
  fileUploadQueue: FileUploadQueueComponent;

  environmentsInfo: EnvironmentsInfo;

  loginRes: LoginResponse;
  loginResSubscription: Subscription;
  eventList$: Observable<Info<EventJson>[]>;
  baseEventSeq = 0;
  roomInfo: RoomInfo;
  roomInfoSubscription: Subscription;
  userInfoList: UserInfo[];
  userInfoListSubscription: Subscription;
  eventListProcessing$: Observable<boolean>;
  eventInfoStatus$: Observable<InfoResponse>;
  eventRemain$: Observable<boolean>;
  eventRemain = false;
  sessionVerInfo: VersionInfo2Response;

  isRecalledMessage = isRecalled;
  isCopyableMessage = isCopyable;
  isRecallableMessage = isRecallable;

  /** Timer 대화방의 대화 삭제를 위한 interval */
  interval: any;

  constructor(
    private store: Store<any>,
    private sessionStorageService: SessionStorageService,
    private commonApiService: CommonApiService,
    private clipboardService: ClipboardService,
    private dialogService: DialogService,
    private snackBarService: SnackBarService,
    private logger: NGXLogger
  ) {
    this.sessionVerInfo = this.sessionStorageService.get<VersionInfo2Response>(
      KEY_VER_INFO
    );

    this.environmentsInfo = this.sessionStorageService.get<EnvironmentsInfo>(
      KEY_ENVIRONMENTS_INFO
    );
  }

  ngOnInit() {
    this.loginResSubscription = this.store
      .pipe(
        select(AppStore.AccountSelector.AuthenticationSelector.loginRes),
        tap(loginRes => {
          this.loginRes = loginRes;
        })
      )
      .subscribe();

    this.roomInfoSubscription = this.store
      .pipe(
        select(AppStore.MessengerSelector.RoomSelector.roomInfo),
        tap(roomInfo => {
          this.roomInfo = roomInfo;
        })
      )
      .subscribe();

    this.userInfoListSubscription = this.store
      .pipe(
        select(AppStore.MessengerSelector.RoomSelector.selectUserinfolist),
        tap(userInfoList => {
          this.userInfoList = userInfoList;
        })
      )
      .subscribe();

    this.eventListProcessing$ = this.store.pipe(
      select(AppStore.MessengerSelector.EventSelector.infoListProcessing)
    );

    this.eventRemain$ = this.store.pipe(
      select(AppStore.MessengerSelector.EventSelector.remainInfo),
      tap(remainInfo => {
        this.eventRemain = remainInfo;
      })
    );

    this.eventList$ = this.store.pipe(
      select(AppStore.MessengerSelector.EventSelector.selectAllInfoList),
      tap(infoList => {
        if (!!infoList && infoList.length > 0) {
          this.baseEventSeq = infoList[0].seq;
          this.readyToReply();
        }
      })
    );

    this.eventInfoStatus$ = this.store.pipe(
      select(AppStore.MessengerSelector.EventSelector.infoStatus)
    );

    this.interval = setInterval(() => {
      if (!!this.roomInfo && !!this.roomInfo.isTimeRoom) {
        this.store.dispatch(EventStore.infoIntervalClear({}));
      }
    }, 1000);
  }

  ngOnDestroy(): void {
    if (!!this.loginResSubscription) {
      this.loginResSubscription.unsubscribe();
    }
    if (!!this.roomInfoSubscription) {
      this.roomInfoSubscription.unsubscribe();
    }
    if (!!this.userInfoListSubscription) {
      this.userInfoListSubscription.unsubscribe();
    }

    clearInterval(this.interval);
  }

  ngAfterViewInit(): void {
    this.readyToReply();
  }

  getRoomName() {
    if (!this.roomInfo || !this.userInfoList) {
      return '대화방명을 가져오고 있습니다..';
    }

    if (!!this.roomInfo.roomName && '' !== this.roomInfo.roomName.trim()) {
      return this.roomInfo.roomName;
    } else if (this.roomInfo.roomType === RoomType.Mytalk) {
      return 'MyTalk';
    } else {
      return this.userInfoList
        .filter(user => {
          if (this.roomInfo.roomType === RoomType.Single) {
            return user.seq !== this.loginRes.userSeq;
          } else {
            return true;
          }
        })
        .sort((a, b) => (a.name < b.name ? -1 : a.name > b.name ? 1 : 0))
        .map(user => user.name)
        .join(',');
    }
  }

  getConvertTimer(timerInterval: number, unit: number = 1) {
    if (timerInterval >= 0 && timerInterval < 60 * unit) {
      return Math.floor((timerInterval / 1) * unit) + ' 초';
    } else if (timerInterval >= 60 * unit && timerInterval < 3600 * unit) {
      return Math.floor(((timerInterval / 1) * unit) / 60) + ' 분';
    } else if (timerInterval >= 3600 * unit && timerInterval <= 86400 * unit) {
      return Math.floor(((timerInterval / 1) * unit) / 60 / 60) + ' 시간';
    } else {
      return '';
    }
  }

  selectContact() {}

  readyToReply(): void {
    setTimeout(() => {
      this.focusReplyInput();
      this.scrollToBottom();
    });
  }

  focusReplyInput(): void {
    setTimeout(() => {
      this.chatForm.focus();
    });
  }

  scrollToBottom(speed?: number): void {
    speed = speed || 0;
    if (this.psChatContent.directiveRef) {
      this.psChatContent.directiveRef.update();

      setTimeout(() => {
        this.psChatContent.directiveRef.scrollToBottom(0, speed);
      });
    }
  }

  async onSendMessage(message: string) {
    if (!message || message.trim().length === 0) {
      const result = await this.dialogService.open<
        AlertDialogComponent,
        AlertDialogData,
        AlertDialogResult
      >(AlertDialogComponent, {
        width: '360px',
        data: {
          title: 'Alert',
          message: `대화내용을 입력해주세요.`
        }
      });
      return;
    }

    if (message.trim().length > CONST.MASSTEXT_LEN) {
      // MASS TEXT
      this.store.dispatch(
        EventStore.sendMass({
          senderSeq: this.loginRes.userSeq,
          req: {
            roomSeq: this.roomInfo.roomSeq,
            eventType: EventType.MassText,
            // sentMessage: message.replace(/\n/gi, '\r\n')
            sentMessage: message
          }
        })
      );
    } else {
      this.store.dispatch(
        EventStore.send({
          senderSeq: this.loginRes.userSeq,
          req: {
            roomSeq: this.roomInfo.roomSeq,
            eventType: EventType.Character,
            sentMessage: message
          }
        })
      );
    }
  }

  onClickReceiveAlarm() {
    this.store.dispatch(RoomStore.updateOnlyAlarm({ roomInfo: this.roomInfo }));
  }

  onScrollup(event: any) {
    this.onMoreEvent(this.baseEventSeq);
  }
  /** More Event */
  onMoreEvent(seq: number) {
    if (this.eventRemain) {
      this.store.dispatch(
        EventStore.info({
          roomSeq: this.roomInfo.roomSeq,
          baseSeq: seq,
          requestCount: CONST.EVENT_INFO_READ_COUNT
        })
      );
    }
  }

  /** MassText Detail View */
  onMassDetail(value: number) {
    this.store.dispatch(
      ChatStore.selectedMassDetail({
        massEventSeq: value
      })
    );
  }

  async onImageViewer(value: FileInfo) {
    this.logger.debug('imageViewer', value);
    const result = await this.dialogService.open<
      FileViewerDialogComponent,
      FileViewerDialogData,
      FileViewerDialogResult
    >(FileViewerDialogComponent, {
      position: {
        top: '30px'
      },
      maxWidth: '100vw',
      maxHeight: '100vh',
      height: 'calc(100% - 30px)',
      width: '100%',
      hasBackdrop: false,
      panelClass: 'app-dialog-full',
      data: {}
    });
  }

  /** File Save, Save As */
  onSave(value: { fileInfo: FileInfo; type: string }) {
    this.logger.debug('fileSave', value);
  }

  onFileDragEnter(items: DataTransferItemList) {
    this.logger.debug('onFileDragEnter', items);
  }

  onFileDragOver() {
    this.logger.debug('onFileDragOver');
  }

  onFileDragLeave() {
    this.logger.debug('onFileDragLeave');
  }

  onFileSelected(fileUploadItems: FileUploadItem[]) {
    this.logger.debug('onFileSelected', fileUploadItems);

    const info = {
      senderSeq: this.loginRes.userSeq,
      roomSeq: this.roomInfo.roomSeq
    };

    const allObservables: Observable<FileTalkSaveResponse>[] = [];

    for (const fileUploadItem of fileUploadItems) {
      const req: FileTalkSaveRequest = {
        userSeq: this.loginRes.userSeq,
        deviceType: this.environmentsInfo.deviceType,
        token: this.loginRes.tokenString,
        roomSeq: this.roomInfo.roomSeq,
        file: fileUploadItem.file,
        fileName: fileUploadItem.file.name,
        fileUploadItem
      };

      allObservables.push(
        this.commonApiService
          .fileTalkSave(req, this.sessionVerInfo.uploadUrl)
          .pipe(
            map(res => {
              if (!res) {
                return;
              }
              if (StatusCode.Success === res.statusCode) {
                return res;
              } else {
                throw res;
              }
            })
          )
      );
    }

    forkJoin(allObservables)
      .pipe(take(1))
      .subscribe(
        resList => {
          for (const res of resList) {
            this.store.dispatch(
              EventStore.send({
                senderSeq: info.senderSeq,
                req: {
                  roomSeq: info.roomSeq,
                  eventType: EventType.File,
                  sentMessage: res.returnJson
                }
              })
            );
          }
        },
        error => {
          this.logger.debug('onFileSelected error', error);
        },
        () => {
          this.fileUploadQueue.onUploadComplete();
        }
      );
  }

  onContextMenuMessage(params: {
    event: MouseEvent;
    message: Info<EventJson>;
  }) {
    params.event.preventDefault();
    params.event.stopPropagation();

    this.messageContextMenuPosition.x = params.event.clientX + 'px';
    this.messageContextMenuPosition.y = params.event.clientY + 'px';
    this.messageContextMenuTrigger.menu.focusFirstItem('mouse');
    this.messageContextMenuTrigger.menuData = {
      message: params.message,
      loginRes: this.loginRes
    };
    this.messageContextMenuTrigger.openMenu();
  }

  async onClickMessageContextMenu(menuType: string, message: Info<EventJson>) {
    switch (menuType) {
      case 'COPY':
        {
          switch (message.type) {
            case EventType.Character:
              {
                if (
                  this.clipboardService.copyFromContent(
                    (message as Info<string>).sentMessage
                  )
                ) {
                  this.snackBarService.open('클립보드에 복사되었습니다.', '', {
                    duration: 3000,
                    verticalPosition: 'top',
                    horizontalPosition: 'center'
                  });
                }
              }
              break;
            case EventType.MassText:
              {
                this.commonApiService
                  .massTalkDownload({
                    userSeq: this.loginRes.userSeq,
                    deviceType: this.environmentsInfo.deviceType,
                    token: this.loginRes.tokenString,
                    eventMassSeq: message.seq
                  })
                  .pipe(take(1))
                  .subscribe(res => {
                    if (this.clipboardService.copyFromContent(res.content)) {
                      this.snackBarService.open(
                        '클립보드에 복사되었습니다.',
                        '',
                        {
                          duration: 3000,
                          verticalPosition: 'top',
                          horizontalPosition: 'center'
                        }
                      );
                    }
                  });
              }
              break;

            default:
              break;
          }
        }
        break;
      case 'REPLAY':
        {
          const result = await this.dialogService.open<
            CreateChatDialogComponent,
            CreateChatDialogData,
            CreateChatDialogResult
          >(CreateChatDialogComponent, {
            width: '600px',
            data: {
              type: UserSelectDialogType.MessageForward,
              title: 'MessageForward',
              ignoreRoom: [this.roomInfo]
            }
          });

          if (!!result && !!result.choice && result.choice) {
            const userSeqs: number[] = [];
            let roomSeq = '';
            if (
              !!result.selectedUserList &&
              result.selectedUserList.length > 0
            ) {
              result.selectedUserList.map(user => userSeqs.push(user.seq));
            }

            if (!!result.selectedRoom) {
              roomSeq = result.selectedRoom.roomSeq;
            }

            if (userSeqs.length > 0 || roomSeq.trim().length > 0) {
              this.store.dispatch(
                EventStore.forward({
                  senderSeq: this.loginRes.userSeq,
                  req: {
                    roomSeq: '-999',
                    eventType: message.type,
                    sentMessage: message.sentMessage
                  },
                  trgtUserSeqs: userSeqs,
                  trgtRoomSeq: roomSeq
                })
              );
            }
          }
        }
        break;
      case 'REPLAY_TO_ME':
        {
          if (this.loginRes.talkWithMeBotSeq > -1) {
            this.store.dispatch(
              EventStore.forward({
                senderSeq: this.loginRes.userSeq,
                req: {
                  roomSeq: '-999',
                  eventType: message.type,
                  sentMessage: message.sentMessage
                },
                trgtUserSeqs: [this.loginRes.talkWithMeBotSeq]
              })
            );
          }
        }
        break;
      case 'DELETE':
        {
          const result = await this.dialogService.open<
            ConfirmDialogComponent,
            ConfirmDialogData,
            ConfirmDialogResult
          >(ConfirmDialogComponent, {
            width: '220px',
            data: {
              title: 'Delete',
              html: `선택한 메시지를 삭제하시겠습니까?<br/>삭제된 메시지는 내 대화방에서만 적용되며 상대방의 대화방에서는 삭제되지 않습니다.`
            }
          });

          if (!!result && !!result.choice && result.choice) {
            this.store.dispatch(
              EventStore.del({
                roomSeq: this.roomInfo.roomSeq,
                eventSeq: message.seq
              })
            );
          }
        }
        break;
      case 'RECALL':
        {
          const result = await this.dialogService.open<
            ConfirmDialogComponent,
            ConfirmDialogData,
            ConfirmDialogResult
          >(ConfirmDialogComponent, {
            width: '220px',
            data: {
              title: 'ReCall',
              html: `해당 대화를 회수하시겠습니까?<br/>상대방 대화창에서도 회수됩니다.`
            }
          });

          if (!!result && !!result.choice && result.choice) {
            this.store.dispatch(
              EventStore.cancel({
                roomSeq: this.roomInfo.roomSeq,
                eventSeq: message.seq,
                deviceType: this.environmentsInfo.deviceType
              })
            );
          }
        }
        break;
      default:
        break;
    }
  }

  async onClickContextMenu(menuType: string) {
    switch (menuType) {
      case 'ADD_MEMBER':
        {
          const result = await this.dialogService.open<
            CreateChatDialogComponent,
            CreateChatDialogData,
            CreateChatDialogResult
          >(CreateChatDialogComponent, {
            width: '600px',
            data: {
              type: UserSelectDialogType.EditChatMember,
              title: 'Edit Chat Member',
              curRoomUser: this.userInfoList.filter(
                user => user.seq !== this.loginRes.userSeq
              )
            }
          });

          if (!!result && !!result.choice && result.choice) {
            const userSeqs: number[] = [];
            if (
              !!result.selectedUserList &&
              result.selectedUserList.length > 0
            ) {
              result.selectedUserList.map(user => {
                userSeqs.push(user.seq);
              });
            }

            if (userSeqs.length > 0) {
              // include me
              userSeqs.push(this.loginRes.userSeq);

              this.store.dispatch(
                RoomStore.inviteOrOpen({
                  req: {
                    divCd: 'Invite',
                    userSeqs
                  }
                })
              );
            }
          }
        }
        break;
      case 'CLOSE_ROOM':
        {
          this.store.dispatch(ChatStore.clearSelectedRoom());
        }
        break;
      default:
        break;
    }
  }
}