<?php

namespace Alexr\API\Controllers\Bot;

use Alexr\Models\Restaurant;
use Alexr\Settings\ClosedDay;
use Alexr\Settings\WidgetForm;

/**
 * GET /alexr-bot/v1/restaurant
 *
 * Returns context useful for the bot: restaurant info, widget services,
 * reservation policy and upcoming closed dates.
 */
class BotRestaurantController extends BotBaseController
{
	public function getContext(\WP_REST_Request $request)
	{
		$action = 'bot_get_restaurant';

		$apiKey = $this->authenticate($request, $action);
		if ($apiKey instanceof \WP_REST_Response) {
			return $apiKey;
		}

		$restaurant = Restaurant::where('active', 1)->where('id', $apiKey->restaurant_id)->first();
		if (!$restaurant) {
			return $this->errorResponse($apiKey, $action, $request, 'RESTAURANT_NOT_FOUND', 'Restaurant not found or inactive.', 404);
		}

		$widgetId = $this->resolveWidgetId($request, $apiKey);
		if (!$widgetId) {
			return $this->errorResponse($apiKey, $action, $request, 'WIDGET_NOT_FOUND', 'No widget_id configured on the API key and none provided in the request.', 400);
		}

		$widget = WidgetForm::where('id', $widgetId)->where('restaurant_id', $restaurant->id)->first();
		if (!$widget) {
			return $this->errorResponse($apiKey, $action, $request, 'WIDGET_NOT_FOUND', 'Widget not found for this restaurant.', 404);
		}

		// Services configured for the widget (shifts + events).
		$services = [];
		foreach ($restaurant->getShiftsAndEvents($widgetId) as $service) {
			$services[] = [
				'id'                    => $service->id,
				'name'                  => $service->name,
				'type'                  => ($service instanceof \Alexr\Settings\Event) ? 'event' : 'shift',
				'public_notes'          => $this->decodeRichText($service->public_notes),
				'min_guests'            => intval($service->min_covers_reservation),
				'max_guests'            => intval($service->max_covers_reservation),
				'availability_type'     => $service->availability_type,
			];
		}

		$guestsRange = $restaurant->guestsMinMax($widgetId);

		// Upcoming closed days. Merge the two arrays from the ClosedDay setting:
		//  - dates: manually closed days
		//  - full_dates: days fully booked
		// Properties are accessed via __get on SettingCustomized (meta_value JSON),
		// so we always assign to a local var first and never call is_array() directly
		// on the magic property.
		$closedDates = [];
		$closedDays = ClosedDay::where('restaurant_id', $restaurant->id)->first();
		if ($closedDays) {
			$dates     = $closedDays->dates ?? [];
			$fullDates = $closedDays->full_dates ?? [];
			if (!is_array($dates))     $dates = [];
			if (!is_array($fullDates)) $fullDates = [];
			$closedDates = array_values(array_unique(array_merge($dates, $fullDates)));
		}

		$today = evavel_now_timezone_formatted($restaurant->timezone, 'Y-m-d');
		$upcomingClosed = array_values(array_filter($closedDates, function($d) use ($today) {
			return $d >= $today;
		}));
		sort($upcomingClosed);

		$data = [
			'restaurant' => [
				'id'                    => $restaurant->id,
				'name'                  => $restaurant->name,
				'timezone'              => $restaurant->timezone,
				'language'              => $restaurant->language,
				'phone'                 => $restaurant->phone ?? null,
				'address'               => $restaurant->address ?? null,
				'reservation_policy'    => $this->decodeRichText($restaurant->reservation_policy),
			],
			'widget' => [
				'id'         => $widget->id,
				'name'       => $widget->name,
				'guests_min' => intval($guestsRange['min']),
				'guests_max' => intval($guestsRange['max']),
			],
			'services'        => $services,
			'closed_dates'    => $upcomingClosed,
		];

		return $this->successResponse($apiKey, $action, $request, $data, 200);
	}
}