<?php

namespace App\Services;

use App\Models\AdminTranslation;
use Exception;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;

class AdminTranslationService
{
    /**
     * @var OperationLogService
     */
    private OperationLogService $logService;

    /**
     * @param OperationLogService $logService
     */
    public function __construct(OperationLogService $logService)
    {
        $this->logService = $logService;
    }

    /**
     * @param array $data
     * @return Model|Builder
     * @throws Exception
     */
    public function createModel(array $data): Model|Builder
    {
        try {
            DB::beginTransaction();
            DB::commit();

            $save_data = [
                'en'    => $data['en'],
                'zh_cn' => $data['zh_cn'],
                'zh_tw' => $data['zh_tw']
            ];
            if (AdminTranslation::query()->where($save_data)->exists()) {
                throw new Exception(
                    __('service.admin_translation.data_exists')
                );
            }

            $save_data['created_at'] = get_datetime();
            $model = AdminTranslation::query()->create($save_data);

            $this->logService->logCreated($model, '创建翻译');

            return $model;
        } catch (Exception $e) {
            DB::rollBack();
            throw $e;
        }
    }

    /**
     * @param array $data
     * @param int   $id
     * @return Model|Builder
     * @throws Exception
     */
    public function updateModel(array $data, int $id): Model|Builder
    {
        try {
            DB::beginTransaction();
            DB::commit();

            $update_data = [
                'en'    => $data['en'],
                'zh_cn' => $data['zh_cn'],
                'zh_tw' => $data['zh_tw']
            ];

            if (AdminTranslation::query()->where($update_data)->where(
                'id',
                '<>',
                $id
            )->exists()
            ) {
                throw new Exception(
                    __('service.admin_translation.data_exists')
                );
            }

            $model = AdminTranslation::query()->findOrFail($id);
            $oldValues = $model->toArray();
            $update_data['updated_at'] = get_datetime();
            $model->update($update_data);

            $this->logService->logUpdated($model, $oldValues, '更新翻译');

            return $model;
        } catch (Exception $e) {
            DB::rollBack();
            throw $e;
        }
    }

    /**
     * @param int $id
     * @return bool
     * @throws Exception
     */
    public function deleteModel(int $id): bool
    {
        try {
            DB::beginTransaction();

            $model = AdminTranslation::query()->findOrFail($id);

            $this->logService->logDeleted($model, '删除翻译');

            $model->delete();

            DB::commit();
            return true;
        } catch (Exception $e) {
            DB::rollBack();
            throw $e;
        }
    }
}