<?php
namespace HermesAiBridge;

defined('ABSPATH') or die();

class Installer {
    public static function activate() {
        self::create_tables();
        self::set_default_options();
        self::schedule_cron_events();
        flush_rewrite_rules();
    }

    public static function deactivate() {
        self::clear_cron_events();
        flush_rewrite_rules();
    }

    private static function create_tables() {
        global $wpdb;
        $charset = $wpdb->get_charset_collate();

        $sql = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}hermes_log (
            id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
            level VARCHAR(20) NOT NULL DEFAULT 'info',
            message TEXT NOT NULL,
            context LONGTEXT,
            created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
            INDEX idx_level (level),
            INDEX idx_created (created_at)
        ) $charset;";

        require_once ABSPATH . 'wp-admin/includes/upgrade.php';
        dbDelta($sql);
    }

    private static function set_default_options() {
        if (!get_option('hermes_api_key')) {
            update_option('hermes_api_key', wp_hash(wp_generate_password(64, true, true)));
        }
        add_option('hermes_ai_provider', 'openai');
        add_option('hermes_ai_model', 'gpt-4');
        add_option('hermes_ai_max_tokens', 2048);
        add_option('hermes_cron_interval', 'hourly');
    }

    private static function schedule_cron_events() {
        if (!wp_next_scheduled('hermes_hourly_tick')) {
            wp_schedule_event(time(), 'hourly', 'hermes_hourly_tick');
        }
        if (!wp_next_scheduled('hermes_daily_tick')) {
            wp_schedule_event(time(), 'daily', 'hermes_daily_tick');
        }
    }

    private static function clear_cron_events() {
        wp_clear_scheduled_hook('hermes_hourly_tick');
        wp_clear_scheduled_hook('hermes_daily_tick');
    }
}