<?php

namespace app\index\controller;

use app\common\controller\Frontend;

class Index extends Frontend
{
    private const VECTOR_API_KEY = 'ZH17_K8B2N7C4M1';

    protected $noNeedLogin = '*';
    protected $noNeedRight = '*';
    protected $layout = '';

    public function index()
    {
        return $this->view->fetch();
    }

    /**
     * 调用第三方矢量转换接口
     */
    public function uploadVector()
    {
        
        if (!$this->request->isPost()) {
            return json(['code' => 0, 'msg' => '请求方式错误']);
        }

        $file = $this->request->file('file');
        if (!$file) {
            return json(['code' => 0, 'msg' => '请上传文件']);
        }

        $vectorFormat = trim((string)$this->request->post('vectorFormat', '.pdf'));
        $maxlong = trim((string)$this->request->post('maxlong', ''));
        $fileName = trim((string)$this->request->post('fileName', ''));

        $realPath = $file->getRealPath();
        if ($realPath === false || !is_file($realPath)) {
            return json(['code' => 0, 'msg' => '上传文件读取失败']);
        }

        $mimeType = (string)$file->getInfo('type');
        if ($mimeType === '') {
            $mimeType = 'application/octet-stream';
        }

        $postData = [
            'file' => new \CURLFile($realPath, $mimeType, $file->getInfo('name')),
            'apiKey' => self::VECTOR_API_KEY,
            'vectorFormat' => $vectorFormat,
        ];
        if ($maxlong !== '') {
            $postData['maxlong'] = $maxlong;
        }
        if ($fileName !== '') {
            $postData['fileName'] = $fileName;
        }

        $ch = curl_init('http://mm.kknc.site/webapi/webapi.php');
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        curl_setopt($ch, CURLOPT_TIMEOUT, 120);

        $response = curl_exec($ch);
        if ($response === false) {
            $error = curl_error($ch);
            curl_close($ch);
            return json(['code' => 0, 'msg' => '接口调用失败: ' . $error]);
        }

        $httpCode = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($httpCode >= 400) {
            return json([
                'code' => 0,
                'msg' => '接口返回异常状态码: ' . $httpCode,
                'data' => $response,
            ]);
        }

        $jsonData = json_decode($response, true);
        if (json_last_error() === JSON_ERROR_NONE) {
            return json(['code' => 1, 'msg' => '请求成功', 'data' => $jsonData]);
        }

        return json(['code' => 1, 'msg' => '请求成功', 'data' => $response]);
    }

    /**
     * 查询任务状态并返回下载地址
     */
    public function queryVector()
    {
        $bianhao = trim((string)$this->request->request('bianhao', ''));
        if ($bianhao === '') {
            return json(['code' => 0, 'msg' => 'bianhao 不能为空']);
        }

        $queryUrl = 'http://mm.kknc.site/webapi/webapi.php?' . http_build_query(['bianhao' => $bianhao]);
        $ch = curl_init($queryUrl);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        curl_setopt($ch, CURLOPT_TIMEOUT, 60);

        $response = curl_exec($ch);
        if ($response === false) {
            $error = curl_error($ch);
            curl_close($ch);
            return json(['code' => 0, 'msg' => '查询失败: ' . $error]);
        }

        $httpCode = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($httpCode >= 400) {
            return json([
                'code' => 0,
                'msg' => '查询接口异常状态码: ' . $httpCode,
                'data' => $response,
            ]);
        }

        $jsonData = json_decode($response, true);
        if (json_last_error() === JSON_ERROR_NONE) {
            return json(['code' => 1, 'msg' => '查询成功', 'data' => $jsonData]);
        }

        return json(['code' => 1, 'msg' => '查询成功', 'data' => $response]);
    }

}