<?php

declare(strict_types=1);

namespace Glacier\Core;

/**
 * 统一响应出口：HTML / JSON / 文本 / 重定向。
 * 输出后立即终止（never）。
 */
final class Response
{
    public static function html(string $body, int $status = 200, array $headers = []): never
    {
        http_response_code($status);
        header('Content-Type: text/html; charset=utf-8');
        foreach ($headers as $name => $value) {
            header($name . ': ' . $value);
        }
        echo $body;
        exit;
    }

    public static function json(mixed $data, int $status = 200): never
    {
        http_response_code($status);
        header('Content-Type: application/json; charset=utf-8');
        echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
        exit;
    }

    public static function text(string $body, int $status = 200): never
    {
        http_response_code($status);
        header('Content-Type: text/plain; charset=utf-8');
        echo $body;
        exit;
    }

    public static function redirect(string $location, int $status = 302): never
    {
        http_response_code($status);
        header('Location: ' . $location);
        exit;
    }
}