import server from "./server.js";
import appContext from "../components/app_context.js";
import shortcutService from "./shortcuts.js";

const keyboardActionRepo = {};

const keyboardActionsLoaded = server.get('keyboard-actions').then(actions => {
	actions = actions.filter(a => !!a.actionName); // filter out separators

	for (const action of actions) {
		action.effectiveShortcuts = action.effectiveShortcuts.filter(shortcut => !shortcut.startsWith("global:"));

		keyboardActionRepo[action.actionName] = action;
	}

	return actions;
});

async function getActions() {
	return await keyboardActionsLoaded;
}

async function getActionsForScope(scope) {
	const actions = await keyboardActionsLoaded;

	return actions.filter(action => action.scope === scope);
}

async function setupActionsForElement(scope, $el, component) {
	const actions = await getActionsForScope(scope);

	for (const action of actions) {
		for (const shortcut of action.effectiveShortcuts) {
			shortcutService.bindElShortcut($el, shortcut, () => component.triggerCommand(action.actionName, {ntxId: appContext.tabManager.activeNtxId}));
		}
	}
}

getActionsForScope("window").then(actions => {
	for (const action of actions) {
		for (const shortcut of action.effectiveShortcuts) {
			shortcutService.bindGlobalShortcut(shortcut, () => appContext.triggerCommand(action.actionName, {ntxId: appContext.tabManager.activeNtxId}));
		}
	}
});

async function getAction(actionName, silent = false) {
	await keyboardActionsLoaded;

	const action = keyboardActionRepo[actionName];

	if (!action) {
		if (silent) {
			console.debug(`Cannot find action '${actionName}'`);
		}
		else {
			throw new Error(`Cannot find action '${actionName}'`);
		}
	}

	return action;
}

function updateDisplayedShortcuts($container) {
	$container.find('kbd[data-command]').each(async (i, el) => {
		const actionName = $(el).attr('data-command');
		const action = await getAction(actionName, true);

		if (action) {
			const keyboardActions = action.effectiveShortcuts.join(', ');

			if (keyboardActions || $(el).text() !== "not set") {
				$(el).text(keyboardActions);
			}
		}
	});

	$container.find('[data-trigger-command]').each(async (i, el) => {
		const actionName = $(el).attr('data-trigger-command');
		const action = await getAction(actionName, true);

		if (action) {
			const title = $(el).attr('title');
			const shortcuts = action.effectiveShortcuts.join(', ');

			if (title?.includes(shortcuts)) {
				return;
			}

			const newTitle = !title?.trim() ? shortcuts : `${title} (${shortcuts})`;

			$(el).attr('title', newTitle);
		}
	});
}

export default {
	updateDisplayedShortcuts,
	setupActionsForElement,
	getActions,
	getActionsForScope
};