import { injectable } from 'tsyringe';
import * as operations from '../../shared/operations';
import FindUseCase from '../usecases/FindUseCase';
import ConsoleUseCase from '../usecases/ConsoleUseCase';
import TabUseCase from '../usecases/TabUseCase';
import TabSelectUseCase from '../usecases/TabSelectUseCase';
import ZoomUseCase from '../usecases/ZoomUseCase';
import NavigateUseCase from '../usecases/NavigateUseCase';
import RepeatUseCase from '../usecases/RepeatUseCase';

@injectable()
export default class OperationController {
  constructor(
    private findUseCase: FindUseCase,
    private consoleUseCase: ConsoleUseCase,
    private tabUseCase: TabUseCase,
    private tabSelectUseCase: TabSelectUseCase,
    private zoomUseCase: ZoomUseCase,
    private navigateUseCase: NavigateUseCase,
    private repeatUseCase: RepeatUseCase,
  ) {
  }

  async exec(op: operations.Operation): Promise<any> {
    await this.doOperation(op);
    if (this.repeatUseCase.isRepeatable(op)) {
      this.repeatUseCase.storeLastOperation(op);
    }
  }

  // eslint-disable-next-line complexity, max-lines-per-function
  doOperation(operation: operations.Operation): Promise<any> {
    switch (operation.type) {
    case operations.TAB_CLOSE:
      return this.tabUseCase.close(false);
    case operations.TAB_CLOSE_RIGHT:
      return this.tabUseCase.closeRight();
    case operations.TAB_CLOSE_FORCE:
      return this.tabUseCase.close(true);
    case operations.TAB_REOPEN:
      return this.tabUseCase.reopen();
    case operations.TAB_PREV:
      return this.tabSelectUseCase.selectPrev(1);
    case operations.TAB_NEXT:
      return this.tabSelectUseCase.selectNext(1);
    case operations.TAB_FIRST:
      return this.tabSelectUseCase.selectFirst();
    case operations.TAB_LAST:
      return this.tabSelectUseCase.selectLast();
    case operations.TAB_PREV_SEL:
      return this.tabSelectUseCase.selectPrevSelected();
    case operations.TAB_RELOAD:
      return this.tabUseCase.reload(operation.cache);
    case operations.TAB_PIN:
      return this.tabUseCase.setPinned(true);
    case operations.TAB_UNPIN:
      return this.tabUseCase.setPinned(false);
    case operations.TAB_TOGGLE_PINNED:
      return this.tabUseCase.togglePinned();
    case operations.TAB_DUPLICATE:
      return this.tabUseCase.duplicate();
    case operations.PAGE_SOURCE:
      return this.tabUseCase.openPageSource();
    case operations.PAGE_HOME:
      return this.tabUseCase.openHome(operation.newTab);
    case operations.ZOOM_IN:
      return this.zoomUseCase.zoomIn();
    case operations.ZOOM_OUT:
      return this.zoomUseCase.zoomOut();
    case operations.ZOOM_NEUTRAL:
      return this.zoomUseCase.zoomNutoral();
    case operations.COMMAND_SHOW:
      return this.consoleUseCase.showCommand();
    case operations.COMMAND_SHOW_OPEN:
      return this.consoleUseCase.showOpenCommand(operation.alter);
    case operations.COMMAND_SHOW_TABOPEN:
      return this.consoleUseCase.showTabopenCommand(operation.alter);
    case operations.COMMAND_SHOW_WINOPEN:
      return this.consoleUseCase.showWinopenCommand(operation.alter);
    case operations.COMMAND_SHOW_BUFFER:
      return this.consoleUseCase.showBufferCommand();
    case operations.COMMAND_SHOW_ADDBOOKMARK:
      return this.consoleUseCase.showAddbookmarkCommand(operation.alter);
    case operations.FIND_START:
      return this.findUseCase.findStart();
    case operations.CANCEL:
      return this.consoleUseCase.hideConsole();
    case operations.NAVIGATE_HISTORY_PREV:
      return this.navigateUseCase.openHistoryPrev();
    case operations.NAVIGATE_HISTORY_NEXT:
      return this.navigateUseCase.openHistoryNext();
    case operations.NAVIGATE_LINK_PREV:
      return this.navigateUseCase.openLinkPrev();
    case operations.NAVIGATE_LINK_NEXT:
      return this.navigateUseCase.openLinkNext();
    case operations.NAVIGATE_PARENT:
      return this.navigateUseCase.openParent();
    case operations.NAVIGATE_ROOT:
      return this.navigateUseCase.openRoot();
    case operations.REPEAT_LAST:
    {
      let last = this.repeatUseCase.getLastOperation();
      if (typeof last !== 'undefined') {
        return this.doOperation(last);
      }
      return Promise.resolve();
    }
    case operations.INTERNAL_OPEN_URL:
      return this.tabUseCase.openURL(
        operation.url, operation.newTab, operation.newWindow);
    }
    throw new Error('unknown operation: ' + operation.type);
  }
}