<?php
namespace App\Controllers\Admin;

use App\Models\Page;

class PageController extends AdminController
{
    public function index()
    {
        return $this->view('admin/pages', [
            'pages' => (new Page())->all(),
            'seg'   => $this->seg(),
        ]);
    }

    public function edit($id)
    {
        $p = (new Page())->find($id);
        if (!$p) { $this->redirect('admin/pages'); }
        $layout = [];
        if (!empty($p['layout'])) {
            $dec = json_decode($p['layout'], true);
            if (is_array($dec)) $layout = $dec;
        }
        return $this->view('admin/page_builder', ['p' => $p, 'layout' => $layout]);
    }

    public function update($id)
    {
        if (!csrf_check()) { $this->redirect('admin/pages'); }
        $layout = $this->post('layout', '');
        // 校验：非空的 layout 必须是合法 JSON 数组
        if ($layout !== '') {
            $dec = json_decode($layout, true);
            if (!is_array($dec)) $layout = '';
        }
        (new Page())->update($id, [
            'title'      => $this->post('title'),
            'layout'     => $layout,
            'updated_at' => date('Y-m-d'),
        ]);
        $this->redirect('admin/pages');
    }
}