import CommandService, { CommandDeclaration, CommandRuntime } from 'lib/services/CommandService';
import { Command } from './types';

/**
 * This class allows executing or registering new Joplin commands. Commands can be executed or associated with
 * {@link JoplinViewsToolbarButtons | toolbar buttons} or {@link JoplinViewsMenuItems | menu items}.
 *
 * [View the demo plugin](https://github.com/laurent22/joplin/tree/dev/CliClient/tests/support/plugins/register_command)
 *
 * ## Executing Joplin's internal commands
 *
 * It is also possible to execute internal Joplin's commands which, as of now, are not well documented.
 * You can find the list directly on GitHub though at the following locations:
 *
 * https://github.com/laurent22/joplin/tree/dev/ElectronClient/gui/MainScreen/commands
 * https://github.com/laurent22/joplin/tree/dev/ElectronClient/commands
 * https://github.com/laurent22/joplin/tree/dev/ElectronClient/gui/NoteEditor/commands/editorCommandDeclarations.ts
 *
 * To view what arguments are supported, you can open any of these files and look at the `execute()` command.
 */
export default class JoplinCommands {

	/**
	 * <span class="platform-desktop">desktop</span> Executes the given command.
	 * The `props` are the arguments passed to the command, and they vary based on the command
	 *
	 * ```typescript
	 * // Create a new note in the current notebook:
	 * await joplin.commands.execute('newNote');
	 *
	 * // Create a new sub-notebook under the provided notebook
	 * // Note: internally, notebooks are called "folders".
	 * await joplin.commands.execute('newFolder', { parent_id: "SOME_FOLDER_ID" });
	 * ```
	 */
	async execute(commandName: string, props: any = null):Promise<any> {
		return CommandService.instance().execute(commandName, props);
	}

	/**
	 * <span class="platform-desktop">desktop</span> Registers a new command.
	 *
	 * ```typescript
	 * // Register a new commmand called "testCommand1"
	 *
	 * await joplin.commands.register({
	 *     name: 'testCommand1',
	 *     label: 'My Test Command 1',
	 *     iconName: 'fas fa-music',
	 *     execute: () => {
	 *         alert('Testing plugin command 1');
	 *     },
	 * });
	 * ```
	 */
	async register(command:Command) {
		const declaration:CommandDeclaration = {
			name: command.name,
			label: command.label,
		};

		if ('iconName' in command) declaration.iconName = command.iconName;

		const runtime:CommandRuntime = {
			execute: command.execute,
		};

		if ('isEnabled' in command) runtime.isEnabled = command.isEnabled;
		if ('mapStateToProps' in command) runtime.mapStateToProps = command.mapStateToProps;

		CommandService.instance().registerDeclaration(declaration);
		CommandService.instance().registerRuntime(declaration.name, runtime);
	}

}