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

  // eslint-disable-next-line complexity, max-lines-per-function
  async doOperation(
    repeat: number,
    operation: operations.Operation,
  ): Promise<any> {
    // eslint-disable-next-line complexity, max-lines-per-function
    const opFunc = (() => {
      switch (operation.type) {
      case operations.TAB_CLOSE:
        return () => this.tabUseCase.close(false, operation.select === 'left');
      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:
        return () => {
          let last = this.repeatUseCase.getLastOperation();
          if (typeof last !== 'undefined') {
            return this.doOperation(1, last);
          }
          return Promise.resolve();
        };
      case operations.INTERNAL_OPEN_URL:
        return () => this.tabUseCase.openURL(
          operation.url, operation.newTab, operation.newWindow);
      default:
        throw new Error('unknown operation: ' + operation.type);
      }
    })();

    for (let i = 0; i < repeat; ++i) {
      // eslint-disable-next-line no-await-in-loop
      await opFunc();
    }
  }
}