<?php

namespace App\Services;

use App\Models\BendingItem;
use Illuminate\Pagination\LengthAwarePaginator;

class BendingItemService extends Service
{
    public function list(array $params): LengthAwarePaginator
    {
        return BendingItem::query()
            ->when($params['item_sep'] ?? null, fn ($q, $v) => $q->where('item_sep', $v))
            ->when($params['item_bending'] ?? null, fn ($q, $v) => $q->where('item_bending', $v))
            ->when($params['material'] ?? null, fn ($q, $v) => $q->where('material', 'like', "%{$v}%"))
            ->when($params['model_UA'] ?? null, fn ($q, $v) => $q->where('model_UA', $v))
            ->when($params['model_name'] ?? null, fn ($q, $v) => $q->where('model_name', $v))
            ->when($params['legacy_bending_num'] ?? $params['legacy_bending_id'] ?? null, fn ($q, $v) => $q->where('legacy_bending_id', (int) $v))
            ->when($params['search'] ?? null, fn ($q, $v) => $q->where(
                fn ($q2) => $q2
                    ->where('item_name', 'like', "%{$v}%")
                    ->orWhere('code', 'like', "%{$v}%")
                    ->orWhere('item_spec', 'like', "%{$v}%")
                    ->orWhere('legacy_code', 'like', "%{$v}%")
            ))
            ->orderByDesc('id')
            ->paginate($params['size'] ?? 50);
    }

    public function filters(): array
    {
        return [
            'item_sep' => BendingItem::whereNotNull('item_sep')->distinct()->pluck('item_sep')->sort()->values(),
            'item_bending' => BendingItem::whereNotNull('item_bending')->distinct()->pluck('item_bending')->sort()->values(),
            'material' => BendingItem::whereNotNull('material')->distinct()->pluck('material')->sort()->values(),
            'model_UA' => BendingItem::whereNotNull('model_UA')->distinct()->pluck('model_UA')->sort()->values(),
            'model_name' => BendingItem::whereNotNull('model_name')->distinct()->pluck('model_name')->sort()->values(),
        ];
    }

    public function find(int $id): BendingItem
    {
        return BendingItem::findOrFail($id);
    }

    public function create(array $data): BendingItem
    {
        return BendingItem::create([
            'tenant_id' => $this->tenantId(),
            'code' => $data['code'],
            'legacy_code' => $data['legacy_code'] ?? null,
            'legacy_bending_id' => $data['legacy_bending_id'] ?? null,
            'item_name' => $data['item_name'] ?? $data['name'] ?? '',
            'item_sep' => $data['item_sep'] ?? null,
            'item_bending' => $data['item_bending'] ?? null,
            'material' => $data['material'] ?? null,
            'item_spec' => $data['item_spec'] ?? null,
            'model_name' => $data['model_name'] ?? null,
            'model_UA' => $data['model_UA'] ?? null,
            'rail_width' => $data['rail_width'] ?? null,
            'exit_direction' => $data['exit_direction'] ?? null,
            'box_width' => $data['box_width'] ?? null,
            'box_height' => $data['box_height'] ?? null,
            'front_bottom' => $data['front_bottom'] ?? $data['front_bottom_width'] ?? null,
            'inspection_door' => $data['inspection_door'] ?? null,
            'length_code' => $data['length_code'] ?? null,
            'length_mm' => $data['length_mm'] ?? null,
            'bending_data' => $data['bendingData'] ?? null,
            'options' => $this->buildOptions($data),
            'is_active' => true,
            'created_by' => $this->apiUserId(),
        ]);
    }

    public function update(int $id, array $data): BendingItem
    {
        $item = BendingItem::findOrFail($id);

        $columns = [
            'code', 'item_name', 'item_sep', 'item_bending',
            'material', 'item_spec', 'model_name', 'model_UA',
            'rail_width', 'exit_direction', 'box_width', 'box_height',
            'front_bottom', 'inspection_door', 'length_code', 'length_mm',
        ];
        foreach ($columns as $col) {
            if (array_key_exists($col, $data)) {
                $item->{$col} = $data[$col];
            }
        }
        if (array_key_exists('front_bottom_width', $data) && ! array_key_exists('front_bottom', $data)) {
            $item->front_bottom = $data['front_bottom_width'];
        }

        // 전개도 (JSON 직접 저장)
        if (array_key_exists('bendingData', $data)) {
            $item->bending_data = $data['bendingData'];
        }

        // 비정형 속성
        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
    {
        $item = BendingItem::findOrFail($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 empty($options) ? null : $options;
    }

    private const OPTION_KEYS = [
        'search_keyword', 'registration_date', 'author', 'memo',
        'parent_num', 'modified_by',
    ];
}