<?php

namespace App\Module\Transfer\Validators;

use App\Module\Transfer\Models\TransferApp;
use UCore\Validation\ValidatorCore;

/**
 * 划转应用验证器
 */
class TransferAppValidator extends ValidatorCore
{
    private int $appId;
    private ?TransferApp $app = null;

    public function __construct(int $appId)
    {
        $this->appId = $appId;
    }

    /**
     * 执行验证
     */
    public function validate(): bool
    {
        // 验证应用ID
        if ($this->appId <= 0) {
            $this->addError('应用ID无效');
            return false;
        }

        // 查找应用
        $this->app = TransferApp::find($this->appId);
        if (!$this->app) {
            $this->addError('应用不存在');
            return false;
        }

        // 验证应用状态
        if (!$this->app->is_enabled) {
            $this->addError('应用已禁用');
            return false;
        }

        // 验证应用配置完整性
        if (!$this->validateAppConfig()) {
            return false;
        }

        return true;
    }

    /**
     * 验证应用配置完整性
     */
    private function validateAppConfig(): bool
    {
        if (!$this->app) {
            return false;
        }

        // 验证基本配置
        if (empty($this->app->keyname)) {
            $this->addError('应用标识符未配置');
            return false;
        }

        if (empty($this->app->title)) {
            $this->addError('应用名称未配置');
            return false;
        }

        if ($this->app->out_id <= 0) {
            $this->addError('外部应用ID未配置');
            return false;
        }

        if ($this->app->currency_id <= 0) {
            $this->addError('货币类型未配置');
            return false;
        }

        if ($this->app->fund_id <= 0) {
            $this->addError('资金账户类型未配置');
            return false;
        }

        if ($this->app->exchange_rate <= 0) {
            $this->addError('汇率配置无效');
            return false;
        }

        // 验证API配置（如果不是内部模式）
        if (!$this->app->isInternalMode()) {
            if (empty($this->app->order_callback_url) && 
                empty($this->app->order_in_info_url) && 
                empty($this->app->order_out_create_url) && 
                empty($this->app->order_out_info_url)) {
                $this->addError('应用API配置不完整');
                return false;
            }

            // 验证URL格式
            $urls = [
                'order_callback_url' => $this->app->order_callback_url,
                'order_in_info_url' => $this->app->order_in_info_url,
                'order_out_create_url' => $this->app->order_out_create_url,
                'order_out_info_url' => $this->app->order_out_info_url,
            ];

            foreach ($urls as $field => $url) {
                if (!empty($url) && !filter_var($url, FILTER_VALIDATE_URL)) {
                    $this->addError("API地址格式无效: {$field}");
                    return false;
                }
            }
        }

        return true;
    }

    /**
     * 获取应用对象
     */
    public function getApp(): ?TransferApp
    {
        return $this->app;
    }

    /**
     * 验证应用是否支持指定操作
     */
    public function supportsOperation(string $operation): bool
    {
        if (!$this->app) {
            return false;
        }

        return match ($operation) {
            'transfer_in' => $this->app->supportsTransferIn(),
            'transfer_out' => $this->app->supportsTransferOut(),
            'callback' => $this->app->supportsCallback(),
            default => false,
        };
    }
}