<?php

namespace App\Support;

use Illuminate\Support\Facades\Log;
use Throwable;

/**
 * Logging that never throws. File permission errors on a dedicated channel
 * (root-owned daily logs vs php-fpm www) must not abort webhooks or Telegram.
 */
final class SafeLog
{
    public static function channel(string $name): SafeLogChannel
    {
        return new SafeLogChannel($name);
    }
}

final class SafeLogChannel
{
    public function __construct(private readonly string $name) {}

    /** @param  array<string, mixed>  $context */
    public function debug(string $message, array $context = []): void
    {
        $this->write('debug', $message, $context);
    }

    /** @param  array<string, mixed>  $context */
    public function info(string $message, array $context = []): void
    {
        $this->write('info', $message, $context);
    }

    /** @param  array<string, mixed>  $context */
    public function warning(string $message, array $context = []): void
    {
        $this->write('warning', $message, $context);
    }

    /** @param  array<string, mixed>  $context */
    public function error(string $message, array $context = []): void
    {
        $this->write('error', $message, $context);
    }

    /** @param  array<string, mixed>  $context */
    public function critical(string $message, array $context = []): void
    {
        $this->write('critical', $message, $context);
    }

    /** @param  array<int, mixed>  $arguments */
    public function __call(string $level, array $arguments): void
    {
        $message = (string) ($arguments[0] ?? '');
        $context = is_array($arguments[1] ?? null) ? $arguments[1] : [];
        $this->write($level, $message, $context);
    }

    /** @param  array<string, mixed>  $context */
    private function write(string $level, string $message, array $context): void
    {
        try {
            Log::channel($this->name)->{$level}($message, $context);
        } catch (Throwable $e) {
            $this->fallback($level, $message, $context, $e);
        }
    }

    /** @param  array<string, mixed>  $context */
    private function fallback(string $level, string $message, array $context, Throwable $e): void
    {
        $context['safe_log_channel'] = $this->name;
        $context['safe_log_error'] = $e->getMessage();

        try {
            $default = (string) config('logging.default', 'stack');
            if ($default !== '' && $default !== $this->name) {
                Log::channel($default)->warning($message, $context);

                return;
            }
        } catch (Throwable) {
        }

        try {
            error_log('['.$this->name.'] '.$level.': '.$message.' '.$e->getMessage());
        } catch (Throwable) {
        }
    }
}