<?php

namespace App\Services;

use App\Models\Items\Item;
use Illuminate\Pagination\LengthAwarePaginator;

class GuiderailModelService extends Service
{
    private const CATEGORIES = ['GUIDERAIL_MODEL', 'SHUTTERBOX_MODEL', 'BOTTOMBAR_MODEL'];

    public function list(array $params): LengthAwarePaginator
    {
        return Item::whereIn('item_category', self::CATEGORIES)
            ->when($params['item_category'] ?? null, fn ($q, $v) => $q->where('item_category', $v))
            ->when($params['item_sep'] ?? null, fn ($q, $v) => $q->where('options->item_sep', $v))
            ->when($params['model_UA'] ?? null, fn ($q, $v) => $q->where('options->model_UA', $v))
            ->when($params['check_type'] ?? null, fn ($q, $v) => $q->where('options->check_type', $v))
            ->when($params['model_name'] ?? null, fn ($q, $v) => $q->where('options->model_name', $v))
            ->when($params['search'] ?? null, fn ($q, $v) => $q->where(
                fn ($q2) => $q2
                    ->where('name', 'like', "%{$v}%")
                    ->orWhere('code', 'like', "%{$v}%")
                    ->orWhere('options->model_name', 'like', "%{$v}%")
                    ->orWhere('options->search_keyword', 'like', "%{$v}%")
            ))
            ->orderBy('code')
            ->paginate($params['size'] ?? 50);
    }

    public function filters(): array
    {
        $items = Item::whereIn('item_category', self::CATEGORIES)->select('options')->get();

        return [
            'item_sep' => $items->pluck('options.item_sep')->filter()->unique()->sort()->values(),
            'model_UA' => $items->pluck('options.model_UA')->filter()->unique()->sort()->values(),
            'check_type' => $items->pluck('options.check_type')->filter()->unique()->sort()->values(),
            'model_name' => $items->pluck('options.model_name')->filter()->unique()->sort()->values(),
            'finishing_type' => $items->pluck('options.finishing_type')->filter()->unique()->sort()->values(),
        ];
    }

    public function find(int $id): Item
    {
        return Item::whereIn('item_category', self::CATEGORIES)->findOrFail($id);
    }

    public function create(array $data): Item
    {
        $options = $this->buildOptions($data);

        return Item::create([
            'tenant_id' => $this->tenantId(),
            'item_type' => 'FG',
            'item_category' => $data['item_category'] ?? 'GUIDERAIL_MODEL',
            'code' => $data['code'],
            'name' => $data['name'],
            'unit' => 'SET',
            'options' => $options,
            'is_active' => true,
            'created_by' => $this->apiUserId(),
        ]);
    }

    public function update(int $id, array $data): Item
    {
        $item = Item::whereIn('item_category', self::CATEGORIES)->findOrFail($id);

        if (isset($data['code'])) {
            $item->code = $data['code'];
        }
        if (isset($data['name'])) {
            $item->name = $data['name'];
        }

        foreach (self::OPTION_KEYS as $key) {
            if (array_key_exists($key, $data)) {
                $item->setOption($key, $data[$key]);
            }
        }

        $item->updated_by = $this->apiUserId();
        $item->save();

        return $item;
    }

    public function delete(int $id): bool
    {
        $item = Item::whereIn('item_category', self::CATEGORIES)->findOrFail($id);
        $item->deleted_by = $this->apiUserId();
        $item->save();

        return $item->delete();
    }

    private function buildOptions(array $data): array
    {
        $options = [];
        foreach (self::OPTION_KEYS as $key) {
            if (isset($data[$key])) {
                $options[$key] = $data[$key];
            }
        }

        return $options;
    }

    private const OPTION_KEYS = [
        'model_name', 'check_type', 'rail_width', 'rail_length',
        'finishing_type', 'item_sep', 'model_UA', 'search_keyword',
        'author', 'memo', 'registration_date',
        'components', 'material_summary',
        // 케이스(SHUTTERBOX_MODEL) 전용
        'exit_direction', 'front_bottom_width', 'box_width', 'box_height',
        // 하단마감재(BOTTOMBAR_MODEL) 전용
        'bar_width', 'bar_height',
    ];
}