<?php

if (!defined('ABSPATH')) {
    exit;
}

class JCZP_Admin {
    
    public function __construct() {
        add_action('admin_menu', array($this, 'add_admin_menu'));
        add_action('admin_init', array($this, 'register_settings'));
        add_action('wp_ajax_jczp_manual_predict', array($this, 'manual_predict'));
        add_action('wp_ajax_jczp_get_match_result', array($this, 'get_match_result'));
        add_action('wp_ajax_jczp_test_api', array($this, 'test_api_connection'));
    }
    
    public function add_admin_menu() {
        add_menu_page(
            '竞彩足球预测器',
            '竞彩足球预测',
            'manage_options',
            'jingcaizuqiu-predictor',
            array($this, 'render_admin_page'),
            'dashicons-chart-bar',
            20
        );
    }
    
    public function register_settings() {
        register_setting('jczp_settings_group', 'jczp_api_key');
        register_setting('jczp_settings_group', 'jczp_post_status');
        register_setting('jczp_settings_group', 'jczp_post_category');
        register_setting('jczp_settings_group', 'jczp_automode');
    }
    
    public function render_admin_page() {
        if (!current_user_can('manage_options')) {
            return;
        }
        ?>
        <div class="wrap jczp-wrap">
            <h1>竞彩足球预测器</h1>
            
            <div class="jczp-header">
                <p>自动获取竞彩足球比赛数据，使用AI算法预测胜平负结果，并自动发布文章。</p>
            </div>
            
            <div class="jczp-main">
                <div class="jczp-left">
                    <h2>手动操作</h2>
                    <button id="jczp-manual-predict" class="button button-primary button-large">立即预测并发布</button>
                    <button id="jczp-test-api" class="button button-secondary">测试API连接</button>
                    <p class="description">点击按钮立即获取今日比赛数据、预测结果并发布文章。</p>
                    
                    <div id="jczp-result" style="display:none; margin-top: 20px;"></div>
                </div>
                
                <div class="jczp-right">
                    <h2>设置</h2>
                    <form method="post" action="options.php">
                        <?php
                        settings_fields('jczp_settings_group');
                        do_settings_sections('jczp_settings_group');
                        ?>
                        
                        <table class="form-table">
                            <tr valign="top">
                                <th scope="row">API密钥</th>
                                <td>
                                    <input type="text" name="jczp_api_key" value="<?php echo esc_attr(get_option('jczp_api_key', '')); ?>" class="regular-text" />
                                    <p class="description">输入football-data.org的API密钥。如不设置，将使用模拟数据。</p>
                                </td>
                            </tr>
                            <tr valign="top">
                                <th scope="row">发布状态</th>
                                <td>
                                    <select name="jczp_post_status">
                                        <option value="publish" <?php selected(get_option('jczp_post_status'), 'publish'); ?>>已发布</option>
                                        <option value="draft" <?php selected(get_option('jczp_post_status'), 'draft'); ?>>草稿</option>
                                        <option value="pending" <?php selected(get_option('jczp_post_status'), 'pending'); ?>>待审核</option>
                                    </select>
                                </td>
                            </tr>
                            
                            <tr valign="top">
                                <th scope="row">文章分类</th>
                                <td>
                                    <?php
                                    $categories = get_categories(array('hide_empty' => false));
                                    $selected = get_option('jczp_post_category', 1);
                                    ?>
                                    <select name="jczp_post_category">
                                        <?php foreach ($categories as $cat): ?>
                                            <option value="<?php echo $cat->term_id; ?>" <?php selected($selected, $cat->term_id); ?>>
                                                <?php echo $cat->name; ?>
                                            </option>
                                        <?php endforeach; ?>
                                    </select>
                                </td>
                            </tr>
                            
                            <tr valign="top">
                                <th scope="row">自动模式</th>
                                <td>
                                    <label>
                                        <input type="checkbox" name="jczp_automode" value="1" <?php checked(get_option('jczp_automode'), 1); ?>>
                                        启用每日自动预测并发布
                                    </label>
                                </td>
                            </tr>
                        </table>
                        
                        <?php submit_button(); ?>
                    </form>
                </div>
            </div>
        </div>
        <script type="text/javascript">
            var jczp_nonce = '<?php echo wp_create_nonce("jczp_nonce"); ?>';
        </script>
        <?php
    }
    
    public function manual_predict() {
        check_ajax_referer('jczp_nonce', 'security');
        
        if (!current_user_can('manage_options')) {
            wp_send_json_error('权限不足');
        }
        
        $predictor = new JCZP_Predictor();
        $results = $predictor->get_today_matches();
        
        if (empty($results)) {
            wp_send_json_error('未获取到今日比赛数据');
        }
        
        $post_creator = new JCZP_Post_Creator();
        $post_id = $post_creator->create_post($results);
        
        if (is_wp_error($post_id)) {
            wp_send_json_error($post_id->get_error_message());
        }
        
        wp_send_json_success(array(
            'matches' => $results,
            'post_id' => $post_id,
            'post_url' => get_permalink($post_id)
        ));
    }
    
    public function get_match_result() {
        check_ajax_referer('jczp_nonce', 'security');
        
        if (!current_user_can('manage_options')) {
            wp_send_json_error('权限不足');
        }
        
        $match_id = isset($_POST['match_id']) ? $_POST['match_id'] : '';
        
        if (empty($match_id)) {
            wp_send_json_error('缺少比赛ID');
        }
        
        $api = new JCZP_API();
        $result = $api->get_match_result($match_id);
        
        if (!$result || $result['status'] !== 'FINISHED') {
            wp_send_json_error('比赛结果未更新');
        }
        
        $actual_result = $this->determine_result($result['home_score'], $result['away_score']);
        
        wp_send_json_success(array(
            'home_score' => $result['home_score'],
            'away_score' => $result['away_score'],
            'actual_result' => $actual_result,
            'is_correct' => false
        ));
    }
    
    public function test_api_connection() {
        check_ajax_referer('jczp_nonce', 'security');
        
        if (!current_user_can('manage_options')) {
            wp_send_json_error('权限不足');
        }
        
        // 加载API类
        require_once JCZP_PLUGIN_DIR . 'includes/api.php';
        
        $api = new JCZP_API();
        $matches = $api->get_today_matches();
        
        if (!empty($matches)) {
            $api_key = get_option('jczp_api_key', '');
            $is_real_data = !empty($api_key) && strpos($matches[0]['id'], 'match_') === false;
            
            wp_send_json_success(array(
                'success' => true,
                'matches_count' => count($matches),
                'is_real_data' => $is_real_data,
                'message' => $is_real_data ? 'API连接成功，获取到真实比赛数据' : '使用的是模拟数据，请检查API密钥设置'
            ));
        } else {
            wp_send_json_error('未获取到比赛数据');
        }
    }
    
    private function determine_result($home_score, $away_score) {
        if ($home_score > $away_score) {
            return '胜';
        } elseif ($home_score < $away_score) {
            return '负';
        } else {
            return '平';
        }
    }
}