<?php
// Prevent direct access
if (!defined('ABSPATH')) {
    exit;
}

/**
 * Database migrations for Sodino plugin
 */

function sodino_create_tables() {
    global $wpdb;

    $charset_collate = $wpdb->get_charset_collate();

    // Rules table
    $rules_table = $wpdb->prefix . 'sodino_rules';
    $rules_sql = "CREATE TABLE $rules_table (
        id mediumint(9) NOT NULL AUTO_INCREMENT,
        name varchar(255) NOT NULL,
        conditions longtext NOT NULL,
        actions longtext NOT NULL,
        priority int(11) NOT NULL DEFAULT 10,
        usage_limit int(11) NOT NULL DEFAULT 0,
        user_roles varchar(255) DEFAULT '',
        start_date datetime NULL,
        end_date datetime NULL,
        enabled tinyint(1) DEFAULT 1,
        condition_type varchar(100) DEFAULT NULL,
        condition_value varchar(255) DEFAULT NULL,
        action_type varchar(100) DEFAULT NULL,
        action_value varchar(255) DEFAULT NULL,
        created_at datetime DEFAULT CURRENT_TIMESTAMP,
        updated_at datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
        PRIMARY KEY (id)
    ) $charset_collate;";

    // Events table
    $events_table = $wpdb->prefix . 'sodino_events';
    $events_sql = "CREATE TABLE $events_table (
        id mediumint(9) NOT NULL AUTO_INCREMENT,
        event_type varchar(100) NOT NULL,
        product_id mediumint(9) DEFAULT NULL,
        variation_id mediumint(9) DEFAULT NULL,
        user_id bigint(20) DEFAULT NULL,
        session_id varchar(255) DEFAULT NULL,
        rule_id mediumint(9) DEFAULT NULL,
        value decimal(10,2) DEFAULT 0,
        discount_value decimal(10,2) DEFAULT 0,
        metadata longtext DEFAULT NULL,
        created_at datetime DEFAULT CURRENT_TIMESTAMP,
        PRIMARY KEY (id)
    ) $charset_collate;";

    // Upsell table
    $upsell_table = $wpdb->prefix . 'sodino_upsells';
    $upsell_sql = "CREATE TABLE $upsell_table (
        id mediumint(9) NOT NULL AUTO_INCREMENT,
        title varchar(255) NOT NULL,
        trigger_type varchar(50) NOT NULL,
        trigger_value varchar(255) NOT NULL,
        target_product_id bigint(20) NOT NULL DEFAULT 0,
        discount_type varchar(50) DEFAULT 'percentage',
        discount_value decimal(10,2) DEFAULT 0,
        status tinyint(1) DEFAULT 1,
        priority int(11) NOT NULL DEFAULT 10,
        created_at datetime DEFAULT CURRENT_TIMESTAMP,
        updated_at datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
        PRIMARY KEY (id)
    ) $charset_collate;";

    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
    dbDelta($rules_sql);
    dbDelta($events_sql);
    dbDelta($upsell_sql);

    // Add version option
    add_option('sodino_db_version', '1.2');
}