import { inject, injectable } from 'inversify';
import { Emitter } from '@theia/core/lib/common/event';
import { CoreService } from '../../common/protocol';
import { ArduinoMenus } from '../menu/arduino-menus';
import { ArduinoToolbar } from '../toolbar/arduino-toolbar';
import { BoardsDataStore } from '../boards/boards-data-store';
import { BoardsServiceProvider } from '../boards/boards-service-provider';
import {
  SketchContribution,
  Command,
  CommandRegistry,
  MenuModelRegistry,
  KeybindingRegistry,
  TabBarToolbarRegistry,
} from './contribution';
import { nls } from '@theia/core/lib/browser/nls';

@injectable()
export class VerifySketch extends SketchContribution {
  @inject(CoreService)
  protected readonly coreService: CoreService;

  @inject(BoardsDataStore)
  protected readonly boardsDataStore: BoardsDataStore;

  @inject(BoardsServiceProvider)
  protected readonly boardsServiceClientImpl: BoardsServiceProvider;

  protected readonly onDidChangeEmitter = new Emitter<Readonly<void>>();
  readonly onDidChange = this.onDidChangeEmitter.event;

  protected verifyInProgress = false;

  registerCommands(registry: CommandRegistry): void {
    registry.registerCommand(VerifySketch.Commands.VERIFY_SKETCH, {
      execute: () => this.verifySketch(),
      isEnabled: () => !this.verifyInProgress,
    });
    registry.registerCommand(VerifySketch.Commands.EXPORT_BINARIES, {
      execute: () => this.verifySketch(true),
      isEnabled: () => !this.verifyInProgress,
    });
    registry.registerCommand(VerifySketch.Commands.VERIFY_SKETCH_TOOLBAR, {
      isVisible: (widget) =>
        ArduinoToolbar.is(widget) && widget.side === 'left',
      isEnabled: () => !this.verifyInProgress,
      isToggled: () => this.verifyInProgress,
      execute: () =>
        registry.executeCommand(VerifySketch.Commands.VERIFY_SKETCH.id),
    });
  }

  registerMenus(registry: MenuModelRegistry): void {
    registry.registerMenuAction(ArduinoMenus.SKETCH__MAIN_GROUP, {
      commandId: VerifySketch.Commands.VERIFY_SKETCH.id,
      label: nls.localize('arduino/sketch/verifyOrCompile', 'Verify/Compile'),
      order: '0',
    });
    registry.registerMenuAction(ArduinoMenus.SKETCH__MAIN_GROUP, {
      commandId: VerifySketch.Commands.EXPORT_BINARIES.id,
      label: nls.localize(
        'arduino/sketch/exportBinary',
        'Export Compiled Binary'
      ),
      order: '3',
    });
  }

  registerKeybindings(registry: KeybindingRegistry): void {
    registry.registerKeybinding({
      command: VerifySketch.Commands.VERIFY_SKETCH.id,
      keybinding: 'CtrlCmd+R',
    });
    registry.registerKeybinding({
      command: VerifySketch.Commands.EXPORT_BINARIES.id,
      keybinding: 'CtrlCmd+Alt+S',
    });
  }

  registerToolbarItems(registry: TabBarToolbarRegistry): void {
    registry.registerItem({
      id: VerifySketch.Commands.VERIFY_SKETCH_TOOLBAR.id,
      command: VerifySketch.Commands.VERIFY_SKETCH_TOOLBAR.id,
      tooltip: nls.localize('arduino/sketch/verify', 'Verify'),
      priority: 0,
      onDidChange: this.onDidChange,
    });
  }

  async verifySketch(exportBinaries?: boolean): Promise<void> {
    // even with buttons disabled, better to double check if a verify is already in progress
    if (this.verifyInProgress) {
      return;
    }

    // toggle the toolbar button and menu item state.
    // verifyInProgress will be set to false whether the compilation fails or not
    this.verifyInProgress = true;
    this.onDidChangeEmitter.fire();
    const sketch = await this.sketchServiceClient.currentSketch();

    if (!sketch) {
      return;
    }
    try {
      const { boardsConfig } = this.boardsServiceClientImpl;
      const [fqbn, sourceOverride] = await Promise.all([
        this.boardsDataStore.appendConfigToFqbn(
          boardsConfig.selectedBoard?.fqbn
        ),
        this.sourceOverride(),
      ]);
      const verbose = this.preferences.get('arduino.compile.verbose');
      const compilerWarnings = this.preferences.get('arduino.compile.warnings');
      this.outputChannelManager.getChannel('Arduino').clear();
      await this.coreService.compile({
        sketchUri: sketch.uri,
        fqbn,
        optimizeForDebug: this.editorMode.compileForDebug,
        verbose,
        exportBinaries,
        sourceOverride,
        compilerWarnings,
      });
      this.messageService.info(
        nls.localize('arduino/sketch/doneCompiling', 'Done compiling.'),
        { timeout: 3000 }
      );
    } catch (e) {
      this.messageService.error(e.toString());
    } finally {
      this.verifyInProgress = false;
      this.onDidChangeEmitter.fire();
    }
  }
}

export namespace VerifySketch {
  export namespace Commands {
    export const VERIFY_SKETCH: Command = {
      id: 'arduino-verify-sketch',
    };
    export const EXPORT_BINARIES: Command = {
      id: 'arduino-export-binaries',
    };
    export const VERIFY_SKETCH_TOOLBAR: Command = {
      id: 'arduino-verify-sketch--toolbar',
    };
  }
}