<?php

namespace App\Services;

use App\Models\CoachUser;
use App\Enums\TransactionType;
use App\Enums\TechnicianStatus;
use App\Enums\TransactionStatus;
use App\Models\WalletTransRecord;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Auth;
use Slowlyo\OwlAdmin\Services\AdminService;

/**
 * 技师
 *
 * @method CoachUser getModel()
 * @method CoachUser|\Illuminate\Database\Query\Builder query()
 */
class CoachUserService extends AdminService
{
    protected string $modelName = CoachUser::class;

    /**
     * 拉黑技师
     *
     * @param  array  $data  包含 coach_id 和 reason
     */
    public function blockCoach(array $data): array
    {
        try {
            DB::beginTransaction();

            // 获取技师信息
            $coach = CoachUser::findOrFail($data['coach_id']);

            // 验证技师当前状态
            abort_if($coach->state === TechnicianStatus::BLACKLIST->value, 422, '技师已经被拉黑');

            // 更新技师状态为拉黑
            $coach->state = TechnicianStatus::BLACKLIST->value;
            $coach->block_reason = $data['reason'];
            $coach->block_time = now();
            $coach->block_operator_id = Auth::user()->id;
            $coach->save();

            DB::commit();

            return [
                'code' => 200,
                'message' => '拉黑成功',
                'data' => null,
            ];

        } catch (\Exception $e) {
            DB::rollBack();
            Log::error('拉黑技师失败', [
                'coach_id' => $data['coach_id'],
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString(),
            ]);

            throw $e;
        }
    }

    /**
     * 冻结技师余额
     *
     * @param  array  $data  包含 coach_id, amount 和 reason
     */
    public function freezeCoachBalance(array $data): array
    {
        try {
            DB::beginTransaction();

            // 获取技师及其钱包信息
            $coach = CoachUser::findOrFail($data['coach_id']);
            $wallet = $coach->wallet()->lockForUpdate()->firstOrFail();

            // 验证可用余额是否足够
            abort_if($wallet->available_amount < $data['amount'], 422, '技师可用余额不足');

            // 更新钱包余额
            $wallet->available_amount -= $data['amount'];
            $wallet->frozen_amount += $data['amount'];
            $wallet->save();

            // 记录冻结流水
            WalletTransRecord::create([
                'user_id' => $data['coach_id'],
                'type' => TransactionType::FREEZE->value,
                'amount' => $data['amount'],
                'before_amount' => $wallet->available_amount + $data['amount'],
                'after_amount' => $wallet->available_amount,
                'operator_id' => Auth::user()->id,
                'operator_type' => 'admin',
                'remark' => $data['reason'],
                'state' => TransactionStatus::SUCCESS->value,
            ]);

            DB::commit();

            return [
                'code' => 200,
                'message' => '冻结成功',
                'data' => null,
            ];

        } catch (\Exception $e) {
            DB::rollBack();
            Log::error('冻结技师余额失败', [
                'coach_id' => $data['coach_id'],
                'amount' => $data['amount'],
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString(),
            ]);

            throw $e;
        }
    }
}