<?php
header('Content-Type: application/json');
require_once 'class/db-functions.php';

$response = ["success" => false, "message" => ""];

try {
    if ($_SERVER["REQUEST_METHOD"] !== "POST") {
        throw new Exception("Invalid request method.");
    }

    // Recupera e sanifica i dati
    $name = trim($_POST['name']);
    $header_row = intval($_POST['header_row']);
    $start_column = trim($_POST['start_column']);
    $description = trim($_POST['description'] ?? '');
    $target_table = trim($_POST['target_table']);
    $button_size = trim($_POST['button_size'] ?? 'medium');
    $button_bg_color = trim($_POST['button_bg_color'] ?? '#007bff');
    $button_text_color = trim($_POST['button_text_color'] ?? '#ffffff');
    $button_label = trim($_POST['button_label'] ?? 'Click Me');
    $idclient = intval($_POST['client_id'] ?? 0); // Usa client_id dal form
    $clientname = trim($_POST['client_name'] ?? ''); // Usa client_name dal form
    $status = 'active'; // Default

    // Recupera i client_specific_fields (JSON inviato dal form)
    $client_specific_fields = trim($_POST['client_specific_fields'] ?? '{}');
    // Decodifica il JSON per verificare che sia valido (opzionale, per sicurezza)
    $decoded_fields = json_decode($client_specific_fields, true);
    if (json_last_error() !== JSON_ERROR_NONE && !empty($client_specific_fields)) {
        throw new Exception("Invalid JSON format for client-specific fields.");
    }

    // Controllo sui campi obbligatori
    if (empty($name) || empty($header_row) || empty($start_column) || empty($target_table)) {
        throw new Exception("All fields marked with * are required.");
    }

    // Validazione del idclient
    if ($idclient <= 0) {
        throw new Exception("Please select a valid client.");
    }

    // Connessione al database
    $db = DBHandlerSelect::getInstance();
    $pdo = $db->getConnection();

    // Inserisci nel database, usando idclient e clientname
    $stmt = $pdo->prepare("INSERT INTO excel_templates 
    (name, header_row, start_column, description, target_table, button_size, button_bg_color, button_text_color, button_label, idclient, clientname, status, client_specific_fields, created_at, updated_at) 
    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW(), NOW())");
    $stmt->execute([
        $name,
        $header_row,
        $start_column,
        $description,
        $target_table,
        $button_size,
        $button_bg_color,
        $button_text_color,
        $button_label,
        $idclient,
        $clientname,
        $status,
        $client_specific_fields
    ]);

    if ($stmt->rowCount() > 0) {
        $response["success"] = true;
        $response["message"] = "Template created successfully!";
    } else {
        throw new Exception("Failed to insert template.");
    }
} catch (Exception $e) {
    $response["message"] = $e->getMessage();
}

// Restituisce un JSON per il fetch
echo json_encode($response);