<?php

namespace Alexr\Http\Controllers;

use Alexr\API\Models\ApiKeyBot;
use Alexr\Settings\WidgetForm;
use Evavel\Http\Controllers\Controller;
use Evavel\Http\Request\Request;

/**
 * CRUD for bot API keys (api_keys_bot table).
 * Parallel to ApiKeysController. Difference: each key is bound to a widget_id.
 */
class ApiKeysBotController extends Controller
{
	/**
	 * List the widgets of the restaurant so the front can populate the select.
	 * GET /app/api-keys-bot/widgets
	 */
	public function widgets(Request $request)
	{
		$tenantId = $request->tenantId();

		$widgets = WidgetForm::where('restaurant_id', $tenantId)
			->get()
			->map(function($w){
				return [
					'id'   => intval($w->id),
					'name' => $w->name,
				];
			})
			->toArray();

		return $this->response([
			'success' => true,
			'widgets' => $widgets,
		]);
	}

	/**
	 * Create a new bot API key for the restaurant.
	 * POST /app/api-keys-bot/create
	 */
	public function create(Request $request)
	{
		$tenantId = $request->tenantId();

		$widgetId = intval($request->widget_id);
		if (!$this->widgetBelongsToTenant($widgetId, $tenantId)) {
			return $this->response([
				'success' => false,
				'error'   => 'Invalid widget for this restaurant',
			]);
		}

		$name     = $request->name ?: '';
		$platform = $request->platform ?: '';

		$apiKey = new ApiKeyBot();
		$apiKey->restaurant_id = $tenantId;
		$apiKey->widget_id     = $widgetId;
		$apiKey->name          = sanitize_text_field($name);
		$apiKey->platform      = sanitize_text_field($platform);
		$apiKey->is_active     = 1;
		$apiKey->save();

		return $this->response([
			'success' => true,
			'item'    => $this->formatItem($apiKey),
		]);
	}

	/**
	 * Toggle active flag.
	 * POST /app/api-keys-bot/:id/toggle
	 */
	public function toggle(Request $request)
	{
		$apiKey = $this->findKey($request);
		if (!$apiKey) {
			return $this->notFoundResponse();
		}

		$apiKey->is_active = $apiKey->is_active ? 0 : 1;
		$apiKey->save();

		return $this->response([
			'success'   => true,
			'is_active' => $apiKey->is_active ? true : false,
		]);
	}

	/**
	 * Update name, platform, widget_id.
	 * POST /app/api-keys-bot/:id/update
	 */
	public function update(Request $request)
	{
		$apiKey = $this->findKey($request);
		if (!$apiKey) {
			return $this->notFoundResponse();
		}

		$tenantId = $request->tenantId();

		if ($request->name !== null) {
			$apiKey->name = sanitize_text_field($request->name);
		}
		if ($request->platform !== null) {
			$apiKey->platform = sanitize_text_field($request->platform);
		}
		if ($request->widget_id !== null) {
			$widgetId = intval($request->widget_id);
			if (!$this->widgetBelongsToTenant($widgetId, $tenantId)) {
				return $this->response([
					'success' => false,
					'error'   => 'Invalid widget for this restaurant',
				]);
			}
			$apiKey->widget_id = $widgetId;
		}

		$apiKey->save();

		return $this->response([
			'success' => true,
			'item'    => $this->formatItem($apiKey),
		]);
	}

	/**
	 * Delete an API key.
	 * POST /app/api-keys-bot/:id/delete
	 */
	public function delete(Request $request)
	{
		$apiKey = $this->findKey($request);
		if (!$apiKey) {
			return $this->notFoundResponse();
		}

		$apiKey->delete();

		return $this->response(['success' => true]);
	}

	//-------------------------------------------------------------------

	protected function findKey(Request $request)
	{
		return ApiKeyBot::where('id', $request->id)
			->where('restaurant_id', $request->tenantId())
			->first();
	}

	protected function widgetBelongsToTenant($widgetId, $tenantId)
	{
		if (!$widgetId) return false;

		return WidgetForm::where('id', $widgetId)
			->where('restaurant_id', $tenantId)
			->exists();
	}

	protected function notFoundResponse()
	{
		return $this->response([
			'success' => false,
			'error'   => 'API key not found',
		]);
	}

	protected function formatItem(ApiKeyBot $apiKey)
	{
		$widgetName = null;
		if ($apiKey->widget_id) {
			$widget = WidgetForm::where('id', $apiKey->widget_id)->first();
			$widgetName = $widget ? $widget->name : null;
		}

		return [
			'id'            => intval($apiKey->id),
			'uuid'          => $apiKey->uuid,
			'name'          => $apiKey->name,
			'platform'      => $apiKey->platform,
			'widget_id'     => intval($apiKey->widget_id),
			'widget_name'   => $widgetName,
			'api_key'       => $apiKey->api_key,
			'is_active'     => $apiKey->is_active ? true : false,
			'last_used_at'  => $apiKey->last_used_at,
			'date_created'  => $apiKey->date_created,
		];
	}
}