<?php
/**
 * Data Reset & Fix Script
 * Clears corrupted company/assignment data but keeps Users and Tenants.
 */

require_once __DIR__ . '/../app/bootstrap/init.php';

use App\Core\Database;

$db = Database::getInstance();

echo "--- Starting Data Reset ---\n";

try {
    $db->beginTransaction();

    // 1. Clear corrupted data tables
    $db->exec("SET FOREIGN_KEY_CHECKS = 0");
    $db->exec("TRUNCATE TABLE user_company_assignments");
    $db->exec("TRUNCATE TABLE invoices");
    $db->exec("TRUNCATE TABLE companies");
    $db->exec("SET FOREIGN_KEY_CHECKS = 1");
    echo "[OK] Cleared companies, invoices, and assignments.\n";

    // 2. Ensure Super Admin does not have a tenant_id (if your schema allows NULL, else set to empty string)
    // Actually, schema.sql says tenant_id CHAR(36) NOT NULL. 
    // This is a flaw in schema.sql for Super Admins. We will leave users alone for now.
    
    // 3. Fix the admin's tenant_id to match the first available tenant
    $stmt = $db->query("SELECT id FROM tenants LIMIT 1");
    $tenantId = $stmt->fetchColumn();

    if ($tenantId) {
        $db->exec("UPDATE users SET tenant_id = '$tenantId' WHERE role != 'super_admin'");
        echo "[OK] Linked all non-super-admin users to Tenant ID: $tenantId\n";
    }

    $db->commit();
    echo "--- Reset Complete ---\n";

} catch (\Exception $e) {
    $db->rollBack();
    echo "[ERROR] Reset failed: " . $e->getMessage() . "\n";
}