<?php

namespace Modules\Booking\Repositories;

use App\Abstracts\EntityRepository;
use Exception;
use Illuminate\Contracts\Pagination\Paginator;
use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
use Illuminate\Database\Query\Builder;
use Modules\Booking\Models\Room;
use Symfony\Component\HttpFoundation\Response;

class RoomRepository extends EntityRepository
{
    public string $table = Room::TABLE_NAME;

    protected array $fillableColumns = [
        'restaurant_id',
        'hotel_id',
        'floor_id',
        'room_type_id',
        'room_number',
        'room_code',
        'slug',
        'max_adults',
        'max_children',
        'has_balcony',
        'has_bathtub',
        'view_type',
        'image',
        'banner_image',
        'gallery_images',
        'description',
        'regular_price',
        'offer_price',
        'is_clean',
        'is_available',
        'status',
        'created_at',
        'updated_at',
        'deleted_at',
    ];

    protected function getQuery(): Builder
    {
        return parent::getQuery();
    }

    protected function getFilterData(array $filterData = []): array
    {
        $defaultArgs = [
            'perPage' => 10,
            'search' => '',
            'orderBy' => 'id',
            'order' => 'desc',
            'with_deleted' => false,
        ];

        return array_merge($defaultArgs, $filterData);
    }

    private function getRoomQuery(): Builder
    {
        return $this->getQuery()
            ->select(
                'rooms.id',
                'rooms.restaurant_id',
                'rooms.hotel_id',
                'hotels.name as hotel_name',
                'rooms.floor_id',
                'floors.name as floor_name',
                'floors.level as floor_level',
                'rooms.room_type_id',
                'room_types.name as room_type_name',
                'rooms.room_number',
                'rooms.room_code',
                'rooms.slug',
                'rooms.max_adults',
                'rooms.max_children',
                'rooms.has_balcony',
                'rooms.has_bathtub',
                'rooms.view_type',
                'rooms.image',
                'rooms.banner_image',
                'rooms.gallery_images',
                'rooms.description',
                'rooms.regular_price',
                'rooms.offer_price',
                'rooms.is_clean',
                'rooms.is_available',
                'rooms.status',
                'rooms.created_at',
                'rooms.deleted_at'
            )
            ->leftJoin('hotels', 'rooms.hotel_id', '=', 'hotels.id')
            ->leftJoin('floors', 'rooms.floor_id', '=', 'floors.id')
            ->leftJoin('room_types', 'rooms.room_type_id', '=', 'room_types.id');
    }

    protected function filterSearchQuery(Builder|EloquentBuilder $query, string $searchedText): Builder
    {
        $searchable = "%$searchedText%";

        return $query->where("{$this->table}.name", 'LIKE', $searchable)
            ->orWhere("{$this->table}.status", 'LIKE', $searchable);
    }

    public function getAll(array $filterData = []): Paginator
    {
        $filter = $this->getFilterData($filterData);
        $query = $this->getRoomQuery();

        if (! $filter['with_deleted']) {
            $query->whereNull("{$this->table}.deleted_at");
        }

        if (! empty($filter['search'])) {
            $query = $this->filterSearchQuery($query, $filter['search']);
        }

        return $query
            ->orderBy($filter['orderBy'], $filter['order'])
            ->paginate($filter['perPage']);
    }

    public function getCount(array $filterData = []): int
    {
        $filter = $this->getFilterData($filterData);
        $query = $this->getQuery();

        if (! $filter['with_deleted']) {
            $query->whereNull("{$this->table}.deleted_at");
        }

        return $query->count();
    }

    /**
     * @throws Exception
     */
    public function getByColumn(string $columnName, $columnValue, array $selects = ['*']): ?object
    {
        $item = $this->getRoomQuery()
            ->where($columnName, $columnValue)
            ->first($selects);

        if (empty($item)) {
            throw new Exception(
                $this->getExceptionMessage(static::MESSAGE_ITEM_DOES_NOT_EXIST_MESSAGE),
                Response::HTTP_NOT_FOUND
            );
        }

        return $item;
    }

    /**
     * @throws Exception
     */
    public function create(array $data): object
    {
        $data = $this->prepareForDB($data);
        $id = $this->getQuery()->insertGetId($data);

        return Room::find($id);
    }

    /**
     * @throws Exception
     */
    public function update(int $id, array $data): object
    {
        $item = Room::findOrFail($id);
        $data = $this->prepareForDB($data, $item);
        parent::update($id, $data);

        return $this->getById($id);
    }

    /**
     * @throws Exception
     */
    public function prepareForDB(array $data, ?object $item = null): array
    {
        $data = parent::prepareForDB($data, $item);

        if (empty($item)) {
            $data['created_at'] = now();
            $data['restaurant_id'] = $this->getCurrentRestaurantId();

            if (! empty($data['image']) && $data['image'] instanceof \Illuminate\Http\UploadedFile) {
                $data['image'] = fileUploader('rooms/', 'png', $data['image']);
            }

            if (! empty($data['banner_image']) && $data['banner_image'] instanceof \Illuminate\Http\UploadedFile) {
                $data['banner_image'] = fileUploader('rooms/', 'png', $data['banner_image']);
            }

            // Multiple gallery images
            if (! empty($data['gallery_images']) && is_array($data['gallery_images'])) {
                $gallery = [];
                foreach ($data['gallery_images'] as $file) {
                    if ($file instanceof \Illuminate\Http\UploadedFile) {
                        $gallery[] = fileUploader('rooms/', 'png', $file);
                    }
                }
                $data['gallery_images'] = ! empty($gallery) ? json_encode($gallery) : null;
            }
        } else {
            if (! empty($data['image']) && $data['image'] instanceof \Illuminate\Http\UploadedFile) {
                $data['image'] = fileUploader('rooms/', 'png', $data['image'], $item->image);
            }

            if (! empty($data['banner_image']) && $data['banner_image'] instanceof \Illuminate\Http\UploadedFile) {
                $data['banner_image'] = fileUploader('rooms/', 'png', $data['banner_image'], $item->banner_image);
            }

            // Gallery images update
            if (! empty($data['gallery_images']) && is_array($data['gallery_images'])) {
                $gallery = [];

                // Keep old images if item exists
                if (! empty($item->gallery_images)) {
                    $gallery = is_string($item->gallery_images)
                        ? json_decode($item->gallery_images, true)
                        : (array) $item->gallery_images;
                }

                foreach ($data['gallery_images'] as $file) {
                    if ($file instanceof \Illuminate\Http\UploadedFile) {
                        $gallery[] = fileUploader('rooms/', 'png', $file);
                    }
                }

                $data['gallery_images'] = ! empty($gallery) ? json_encode($gallery) : null;
            } else {
                unset($data['gallery_images']); // keep existing
            }

            $data['updated_at'] = now();
        }

        return $data;
    }

    protected function getExceptionMessages(): array
    {
        return [
            static::MESSAGE_ITEM_DOES_NOT_EXIST_MESSAGE => 'Room does not exist.',
            static::MESSAGE_ITEM_COULD_NOT_BE_DELETED => 'Room could not be deleted.',
        ];
    }
}