<?php
declare(strict_types=1);

namespace addon\haonav\controller\trait;

use think\exception\ValidateException;
use addon\haonav\model\Configure as ConfigureModel;
use addon\haonav\model\Links as LinksModel;
use addon\haonav\model\Ad as AdModel;
use addon\haonav\model\Apply as ApplyModel;

/**
 * 投稿 + 自助申请（友链 / 广告合作）
 * - submit：老投稿（POST 保留，向 301 apply 迁移）
 * - apply：新自助申请页（蜜罐 + IP 限频 + URL 去重）
 */
trait ApplyTrait
{
    /**
     * 网址投稿（公开，提交后进入待审核 status=2）
     * POST：保留以兼容外部老表单 / API
     * GET：投稿已并入「申请收录 / 广告合作」，301 永久迁移
     */
    public function submit()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post();
            try {
                validate(\addon\haonav\validate\Link::class)->check($params);
            } catch (ValidateException $e) {
                return $this->result->error('数据验证失败: ' . $e->getMessage());
            }
            $enable = (int)ConfigureModel::getVal('enable_submit', '1');
            $model  = new LinksModel();
            $model->cid         = $params['cid'];
            $model->title       = $params['title'];
            $model->url         = $params['url'];
            $model->description = $params['description'] ?? '';
            $model->keywords    = $params['keywords'] ?? '';
            $model->status      = $enable ? 2 : 1; // 待审核 or 直接上架
            $model->save();
            return $this->result->success([], $enable ? '提交成功，等待管理员审核' : '提交成功');
        }

        $this->redirect(url('haonav/apply'), 301);
        return;
    }

    /**
     * 友链/广告合作自助申请（公开）
     * GET 渲染表单页；POST 提交入库（待审核），后台「申请审核」处理。
     * 防滥用：蜜罐字段 + 同 IP 限频（1小时5条）+ 同 URL 去重。
     */
    public function apply()
    {
        if ($this->request->isPost()) {
            // 蜜罐：正常用户不可见不填写，机器人常会填
            if ((string)$this->request->post('website', '') !== '') {
                return $this->result->success([], '提交成功，等待管理员审核');
            }
            $type    = (int)$this->request->post('type/d', ApplyModel::TYPE_LINK);
            $title   = trim((string)$this->request->post('title', ''));
            $url     = trim((string)$this->request->post('url', ''));
            $desc    = trim((string)$this->request->post('description', ''));
            $contact = trim((string)$this->request->post('contact', ''));
            $slot    = trim((string)$this->request->post('slot', ''));

            if (!in_array($type, [ApplyModel::TYPE_LINK, ApplyModel::TYPE_AD], true)) {
                return $this->result->error('申请类型错误');
            }
            if ($title === '' || mb_strlen($title) > 100) {
                return $this->result->error('请填写正确的名称（100字以内）');
            }
            if (!filter_var($url, FILTER_VALIDATE_URL) || !preg_match('#^https?://#i', $url)) {
                return $this->result->error('请填写正确的网址（http/https 开头）');
            }
            if ($contact === '' || mb_strlen($contact) > 100) {
                return $this->result->error('请留下联系方式，便于审核后联系您');
            }
            if ($type === ApplyModel::TYPE_AD && $slot !== '' && !array_key_exists($slot, AdModel::slots())) {
                return $this->result->error('意向广告位不存在');
            }

            $ip = (string)$this->request->ip();
            if (ApplyModel::ipOverLimit($ip)) {
                return $this->result->error('提交过于频繁，请稍后再试');
            }
            if (ApplyModel::urlExists($url)) {
                return $this->result->error('该网址已提交过申请，请勿重复提交');
            }

            $model              = new ApplyModel();
            $model->type        = $type;
            $model->title       = $title;
            $model->url         = $url;
            $model->description = mb_substr($desc, 0, 500);
            $model->contact     = $contact;
            $model->slot        = $type === ApplyModel::TYPE_AD ? $slot : '';
            $model->ip          = $ip;
            $model->status      = ApplyModel::STATUS_PENDING;
            $model->save();
            return $this->result->success([], '提交成功，管理员审核后会通过您留下的联系方式回复');
        }

        $this->view->assign('slots', AdModel::slots());
        $this->view->assign('config', $this->siteConfig());
        $this->assignSeo();
        return $this->view->fetch('apply');
    }
}