<?php

namespace app\api\controller;

use app\common\model\popup\PagePopup;
use app\common\model\popup\PagePopupLog;
use think\response\Json;

/**
 * 页面弹窗
 *  GET  /api/popup/list?page_path=...&platform=...
 *  POST /api/popup/report  body: popup_id, action(1=show 2=click 3=close), page_path, device_id
 */
class PopupController extends BaseApiController
{
    public array $notNeedLogin = ['list', 'report'];

    /**
     * 获取当前页面匹配的弹窗列表
     */
    public function list(): Json
    {
        $pagePath = trim((string) $this->request->get('page_path', ''));
        $platform = trim((string) $this->request->get('platform', ''));
        if (!$pagePath) {
            return $this->data(['lists' => []]);
        }

        $now = time();
        $query = PagePopup::where('status', 1)
            ->where(function ($q) use ($now) {
                $q->whereOr([
                    ['start_time', '=', 0],
                    ['start_time', '<=', $now]
                ]);
            })
            ->where(function ($q) use ($now) {
                $q->whereOr([
                    ['end_time', '=', 0],
                    ['end_time', '>=', $now]
                ]);
            })
            ->order(['sort' => 'desc', 'id' => 'desc']);

        $all = $query->select()->toArray();

        // 路径匹配 + 平台筛选（PHP 端处理通配符）
        $matched = [];
        foreach ($all as $item) {
            // 平台筛选
            if (!empty($item['target_platform']) && $platform) {
                $platforms = array_filter(array_map('trim', explode(',', $item['target_platform'])));
                if (!empty($platforms) && !in_array($platform, $platforms, true)) {
                    continue;
                }
            }
            // 路径匹配
            if (!self::pathMatch($item['page_path'], $pagePath)) {
                continue;
            }
            $matched[] = [
                'id' => $item['id'],
                'name' => $item['name'],
                'popup_type' => $item['popup_type'],
                'image' => $item['image'],
                'title' => $item['title'],
                'content' => $item['content'],
                'link_type' => $item['link_type'],
                'link_url' => $item['link_url'],
                'frequency' => $item['frequency'],
                'delay_seconds' => $item['delay_seconds'],
                'auto_close_seconds' => $item['auto_close_seconds'] ?? 0,
                'is_closable' => $item['is_closable'] ?? 1,
                'sort' => $item['sort'],
            ];
        }

        return $this->data(['lists' => $matched]);
    }

    /**
     * 上报弹窗操作
     */
    public function report(): Json
    {
        $popupId = (int) $this->request->post('popup_id/d', 0);
        $action = (int) $this->request->post('action/d', 0);
        $pagePath = (string) $this->request->post('page_path', '');
        $deviceId = (string) $this->request->post('device_id', '');
        $platform = (string) $this->request->post('platform', '');

        if ($popupId <= 0 || !in_array($action, [1, 2, 3], true)) {
            return $this->fail('参数错误');
        }

        $now = time();
        $ip = $this->request->ip() ?: '';
        $ua = $this->request->header('user-agent', '');
        if (mb_strlen($ua) > 500)
            $ua = mb_substr($ua, 0, 500);

        PagePopupLog::insert([
            'popup_id' => $popupId,
            'user_id' => $this->userId ?: 0,
            'device_id' => $deviceId,
            'action' => $action,
            'page_path' => $pagePath,
            'platform' => $platform,
            'ip' => $ip,
            'ua' => $ua,
            'create_time' => $now,
        ]);

        // 冗余统计字段
        $field = [1 => 'show_count', 2 => 'click_count', 3 => 'close_count'][$action] ?? '';
        if ($field) {
            PagePopup::where('id', $popupId)->inc($field)->update();
        }

        return $this->data(['ok' => true]);
    }

    /**
     * 路径匹配规则：
     *  - * 匹配所有
     *  - 末尾 * 表示前缀匹配（/pages/news_detail/*）
     *  - 完全相等
     */
    private static function pathMatch(string $pattern, string $path): bool
    {
        $pattern = trim($pattern);
        if ($pattern === '' || $pattern === '*')
            return true;
        if (substr($pattern, -1) === '*') {
            $prefix = substr($pattern, 0, -1);
            return strpos($path, $prefix) === 0;
        }
        return $pattern === $path;
    }
}