<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\exception\UploadException;
use app\common\library\Upload;
use app\common\model\Area;
use app\common\model\Version;
use fast\Random;
use think\captcha\Captcha;
use think\Config;
use think\Db;
use think\Hook;

/**
 * 公共接口
 */
class Common extends Api
{
    protected $noNeedLogin = ['init', 'captcha', 'areas', 'expressCompanies', 'dicts'];
    protected $noNeedRight = '*';

    public function _initialize()
    {

        if (isset($_SERVER['HTTP_ORIGIN'])) {
            header('Access-Control-Expose-Headers: __token__');//跨域让客户端获取到
        }
        //跨域检测
        check_cors_request();

        if (!isset($_COOKIE['PHPSESSID'])) {
            Config::set('session.id', $this->request->server("HTTP_SID"));
        }
        parent::_initialize();
    }

    /**
     * 加载初始化
     *
     * @ApiParams (name="version", type="string", required=true, description="版本号")
     */
    public function init()
    {
        if ($version = $this->request->request('version')) {
            //配置信息
            $upload = Config::get('upload');

            $uploaddata = [];
            $uploaddata['cdnurl'] = $upload['cdnurl'] ?: cdnurl('', true);
            $uploaddata['uploadurl'] = url('/api/common/upload', '', false, true);

            $content = [
                'versiondata' => Version::check($version),
                'uploaddata'  => $uploaddata,
            ];
            $this->success('', $content);
        } else {
            $this->error(__('Invalid parameters'));
        }
    }

    /**
     * 上传文件
     * @ApiMethod (POST)
     * @ApiParams (name="file", type="file", required=true, description="文件流")
     */
    public function upload()
    {
        Config::set('default_return_type', 'json');
        //必须设定cdnurl为空,否则cdnurl函数计算错误
        Config::set('upload.cdnurl', '');
        $chunkid = $this->request->post("chunkid");
        if ($chunkid) {
            if (!Config::get('upload.chunking')) {
                $this->error(__('Chunk file disabled'));
            }
            $action = $this->request->post("action");
            $chunkindex = $this->request->post("chunkindex/d");
            $chunkcount = $this->request->post("chunkcount/d");
            $filename = $this->request->post("filename");
            $method = $this->request->method(true);
            if ($action == 'merge') {
                $attachment = null;
                //合并分片文件
                try {
                    $upload = new Upload();
                    $attachment = $upload->merge($chunkid, $chunkcount, $filename);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success(__('Uploaded successful'), ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)]);
            } elseif ($method == 'clean') {
                //删除冗余的分片文件
                try {
                    $upload = new Upload();
                    $upload->clean($chunkid);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success();
            } else {
                //上传分片文件
                //默认普通上传文件
                $file = $this->request->file('file');
                try {
                    $upload = new Upload($file);
                    $upload->chunk($chunkid, $chunkindex, $chunkcount);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success();
            }
        } else {
            $attachment = null;
            //默认普通上传文件
            $file = $this->request->file('file');
            try {
                $upload = new Upload($file);
                $attachment = $upload->upload();
            } catch (UploadException $e) {
                $this->error($e->getMessage());
            } catch (\Exception $e) {
                $this->error($e->getMessage());
            }

            $this->success(__('Uploaded successful'), ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)]);
        }

    }

    /**
     * 验证码
     * @ApiParams (name="id", type="string", required=true, description="要生成验证码的标识")
     * @return \think\Response
     */
    public function captcha($id = "")
    {
        \think\Config::set([
            'captcha' => array_merge(config('captcha'), [
                'fontSize' => 44,
                'imageH'   => 150,
                'imageW'   => 350,
            ])
        ]);
        $captcha = new Captcha((array)Config::get('captcha'));
        return $captcha->entry($id);
    }

    /**
     * 行政区划真实数据库查询接口（源自 fa_area）
     * - mode=tree: 返回完整省-市-区三级联树
     * - pid: 按父级ID逐级查询下级行政区
     */
    public function areas()
    {
        $mode = trim((string)$this->request->param('mode', ''));
        if ($mode === 'tree') {
            $rows = Db::name('area')
                ->field('id,pid,name,shortname,level')
                ->where('level', 'in', [1, 2, 3])
                ->order('id asc')
                ->select();
            if (empty($rows)) {
                $this->error('行政区划基础数据尚未初始化');
            }

            $provinces = [];
            $citiesByPid = [];
            $districtsByPid = [];
            foreach ($rows as $row) {
                $lvl = (int)$row['level'];
                $pid = (int)$row['pid'];
                $id = (int)$row['id'];
                if ($lvl === 1) {
                    $provinces[] = [
                        'id'     => $id,
                        'name'   => (string)$row['name'],
                        'cities' => [],
                    ];
                } elseif ($lvl === 2) {
                    if (!isset($citiesByPid[$pid])) {
                        $citiesByPid[$pid] = [];
                    }
                    $citiesByPid[$pid][] = [
                        'id'        => $id,
                        'name'      => (string)$row['name'],
                        'districts' => [],
                    ];
                } elseif ($lvl === 3) {
                    if (!isset($districtsByPid[$pid])) {
                        $districtsByPid[$pid] = [];
                    }
                    $districtsByPid[$pid][] = (string)$row['name'];
                }
            }

            foreach ($provinces as &$prov) {
                $cities = isset($citiesByPid[$prov['id']]) ? $citiesByPid[$prov['id']] : [];
                foreach ($cities as &$city) {
                    $city['districts'] = isset($districtsByPid[$city['id']]) ? $districtsByPid[$city['id']] : [];
                }
                unset($city);
                $prov['cities'] = $cities;
            }
            unset($prov);

            $this->success('', ['tree' => $provinces]);
        }

        $pid = (int)$this->request->param('pid', 0);
        $list = Db::name('area')
            ->field('id,pid,name,shortname,mergename,level')
            ->where('pid', $pid)
            ->order('id asc')
            ->select();
        $this->success('', ['list' => $list]);
    }

    /**
     * 物流公司真实字典（源自 fa_express_company，按首字母分组）
     */
    public function expressCompanies()
    {
        $rows = Db::name('express_company')
            ->field('id,code,name,initial')
            ->where('status', 'normal')
            ->order('initial asc, weigh desc, id asc')
            ->select();

        $groupMap = [];
        foreach ($rows as $r) {
            $letter = strtoupper(trim((string)$r['initial'])) ?: 'Q';
            if (!isset($groupMap[$letter])) {
                $groupMap[$letter] = [];
            }
            $groupMap[$letter][] = (string)$r['name'];
        }
        $groups = [];
        foreach ($groupMap as $letter => $items) {
            $groups[] = [
                'letter' => $letter,
                'items'  => $items,
            ];
        }
        // 将“Q 其它”组调整到末尾
        usort($groups, function ($a, $b) {
            $isQa = ($a['letter'] === 'Q');
            $isQb = ($b['letter'] === 'Q');
            if ($isQa !== $isQb) {
                return $isQa ? 1 : -1;
            }
            return strcmp($a['letter'], $b['letter']);
        });

        $this->success('', [
            'groups' => $groups,
            'list'   => $rows,
        ]);
    }

    /**
     * 平台通用业务字典接口（真实表与系统配置驱动）
     */
    public function dicts()
    {
        $parseCsv = static function ($name) {
            $val = Db::name('config')->where('name', $name)->value('value');
            if ($val === null || trim((string)$val) === '') {
                $val = Config::get('site.' . $name);
            }
            if (!$val) {
                return [];
            }
            return array_values(array_filter(array_map('trim', explode(',', (string)$val))));
        };

        $reviewTags = $parseCsv('review_tags');
        $orderSources = $parseCsv('order_source_options');
        $rawQuoteHours = $parseCsv('auto_quote_hours_options');
        $autoQuoteHours = [];
        foreach ($rawQuoteHours as $h) {
            $hi = (int)$h;
            if ($hi > 0) {
                $autoQuoteHours[] = $hi;
            }
        }

        // 师傅资质要求列表直接读取真实证书字典表 fa_cert_dict
        $certRows = Db::name('cert_dict')
            ->field('id,cert_code,cert_name,sample_type')
            ->where('status', 'normal')
            ->where('cert_code', '<>', 'other')
            ->order('weigh desc, id asc')
            ->select();
        $qualReqs = [];
        foreach ($certRows as $cr) {
            if (!empty($cr['cert_name'])) {
                $qualReqs[] = (string)$cr['cert_name'];
            }
        }

        $this->success('', [
            'review_tags'      => $reviewTags,
            'order_sources'    => $orderSources,
            'auto_quote_hours' => $autoQuoteHours,
            'qual_reqs'        => $qualReqs,
            'cert_dict'        => $certRows,
        ]);
    }
}