#!/usr/bin/env php
<?php

use Auryn\Injector;
use Bramus\Monolog\Formatter\ColoredLineFormatter;
use Kelunik\AcmeClient\LoggerColorScheme;
use League\CLImate\CLImate;
use Monolog\Handler\StreamHandler;
use Monolog\Logger;
use Psr\Log\LoggerInterface;

require __DIR__ . "/../vendor/autoload.php";

$help = <<<EOT

      ____ __________ ___  ___
     / __ `/ ___/ __ `__ \/ _ \
    / /_/ / /__/ / / / / /  __/
    \__,_/\___/_/ /_/ /_/\___/

    Usage: bin/acme command --args

    Available Commands:
    bin/acme setup
    bin/acme issue
    bin/acme revoke
    bin/acme renew

    Get more help by appending --help to specific commands.


EOT;

$climate = new CLImate;
$injector = new Injector;
$commands = [
    "setup",
    "revoke",
    "issue",
    "renew",
];

if (PHP_SAPI !== "phpdbg" && PHP_SAPI !== "cli") {
    $climate->error("Please run this script as command line script!");
    exit(1);
}

if (count($argv) === 1 || $argv[1] === "-h" || $argv[1] === "--help" || $argv[1] === "help") {
    print $help;
    exit(0);
}

if (!in_array($argv[1], $commands)) {
    $climate->error("Unknown command: '{$argv[1]}'");

    exit(1);
}

$class = \Kelunik\AcmeClient\commandToClass($argv[1]);
$definition = $class::getDefinition();

try {
    $climate->arguments->add($definition);
    $climate->arguments->parse();
} catch (Exception $e) {
    $climate->usage(["bin/acme {$argv[1]}"]);
    $climate->br();

    if (count($argv) !== 3 || !in_array($argv[2], ["-h", "--help", "help"])) {
        $climate->error($e->getMessage());
    }

    exit(1);
}

if (posix_geteuid() !== 0) {
    $climate->error("Please run this script as root!");

    exit(1);
}

$handler = new StreamHandler("php://stdout", Logger::DEBUG);
$handler->setFormatter(new ColoredLineFormatter(new LoggerColorScheme, null, null, true, true));

$logger = new Logger("ACME");
$logger->pushHandler($handler);

$injector->alias(LoggerInterface::class, Logger::class);
$injector->share($logger);

$command = $injector->make($class);

Amp\run(function () use ($command, $climate, $logger) {
    try {
        yield $command->execute($climate->arguments);
    } catch (Throwable $e) {
        $error = (string) $e;
        $lines = explode("\n", $error);
        $lines = array_filter($lines, function ($line) {
            return strlen($line) && $line[0] !== "#" && $line !== "Stack trace:";
        });

        foreach ($lines as $line) {
            $logger->error($line);
        }

        exit(1);
    }

    Amp\stop();
});