<?php

namespace app\common\service;

use app\common\model\Accounts;
use app\common\traits\ServiceTrait;
use think\Log;
use think\Db;

class AccountService
{
    use ServiceTrait;

    /** @var Accounts */
    public static $Model = Accounts::class;


    /**
     * 更新账户余额 正值为加，负值为减
     * @param $user_id
     * @param $amount
     * @param int|float $freeze
     * @param int $integral
     * @param int $credit_score
     * @param int $log_id
     * @return mixed
     * @throws \Exception
     */
    public static function updateData($user_id, $amount, $freeze = 0, int $credit_score = 0, int $integral = 0, int $log_id = 0)
    {
        $fields = [
            'amount' => $amount,
            'freeze' => $freeze,
            'integral' => $integral,
            'credit_score' => $credit_score,
        ];
        $where = ['user_id' => $user_id];
        $old_account = self::getOne($where);
        if (!$old_account) {
            exception('该账户未找到');
        }
        // 检查每个字段更新后是否为负值
        foreach ($fields as $field => $change) {
            if ($change < 0) {
                $current = $old_account->$field;
                $required = -$change;
                if ($current < $required) {
                    $accountTypeName = AccountLogService::ACCOUNT_TYPE_MAP[$field] ?? '余额';
                    Log::info(__CLASS__ . "账户{$accountTypeName}不足，更新失败: 当前={$current}, 扣除={$required}");
                    exception("账户{$accountTypeName}不足");
                }
            }
        }
        // 构建要更新的字段
        $updateData = [];
        foreach ($fields as $field => $change) {
            if ($change != 0) {
                $updateData[$field] = Db::raw("{$field} + {$change}");
            }
        }
        $res = self::where($where)->update($updateData);
        if (!$res) {
            Log::info(__CLASS__ . ' 更新用户余额失败:' . json_encode($updateData, JSON_UNESCAPED_UNICODE));
            exception('更新用户余额失败');
        }
        //记录数据变动日志
        $now_account = self::getOne($where);
        DataLogService::addLog('accounts', 'account_logs', $log_id, $old_account->toArray(), $now_account->toArray());

        return $res;
    }

    /**
     * @param $demandId
     * @param $userId
     * @return void
     * @throws \Exception
     */
    public static function freezeAmountRefund($demandId, $userId)
    {
        $list = AccountLogService::where(['refer_id' => $demandId, 'user_id' => $userId, 'account_type' => AccountLogService::ACCOUNT_TYPE_FREEZE, 'type' => AccountLogService::TYPE_FREEZE, 'status' => CommonService::STATUS_OFF])->select();
        foreach ($list as $item) {
            $amount = $item->amount;
            $log_res = AccountLogService::addLog(AccountLogService::ACCOUNT_TYPE_FREEZE, $userId, $amount, '需求完成失败-冻结金额退回', AccountLogService::TYPE_FREEZE, 0, AccountLogService::INC_EXP_EXPEND, $demandId);
            //减去冻结
            AccountService::updateData($userId, 0, -$amount, 0, 0, $log_res->id);
            $item->status = CommonService::STATUS_ON;
            $saveRes = $item->save();
            if (!$saveRes) {
                exception('更新冻结余额日志失败');
            }
        }
    }
}