#!/usr/bin/env php
<?php
/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * This file is part of a Moko Consulting project.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: moko-platform.CLI
 * INGROUP: moko-platform
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/moko-platform
 * PATH: /cli/archive_repo.php
 * BRIEF: Gracefully retire a governed repository — archive, close issues/PRs, remove sync def
 *
 * USAGE
 *   php cli/archive_repo.php --repo MokoOldModule
 *   php cli/archive_repo.php --repo MokoOldModule --dry-run
 *   php cli/archive_repo.php --repo MokoOldModule --skip-close    # Archive only, keep issues open
 */

declare(strict_types=1);

require_once __DIR__ . '/../vendor/autoload.php';

use MokoEnterprise\Config;
use MokoEnterprise\PlatformAdapterFactory;

$dryRun    = in_array('--dry-run', $argv);
$skipClose = in_array('--skip-close', $argv);

$repoName = null;

foreach ($argv as $i => $arg) {
	if ($arg === '--repo' && isset($argv[$i + 1])) { $repoName = $argv[$i + 1]; }
}

if (!$repoName) {
	fwrite(STDERR, "Usage: php archive_repo.php --repo <RepoName> [--skip-close] [--dry-run]\n");
	exit(2);
}

$config  = Config::load();
$adapter = PlatformAdapterFactory::create($config);
$org     = $config->getString(
	$adapter->getPlatformName() . '.organization',
	'mokoconsulting-tech'
);

$repoRoot     = dirname(__DIR__, 2);
$platformName = $adapter->getPlatformName();

echo "Archiving repository: {$org}/{$repoName} (on {$platformName})\n\n";

// ── Step 1: Verify repo exists ──────────────────────────────────────────
echo "Step 1: Verifying repository...\n";
try {
	$repoData = $adapter->getRepo($org, $repoName);
} catch (\Exception $e) {
	fwrite(STDERR, "  Repository {$org}/{$repoName} not found: " . $e->getMessage() . "\n");
	exit(1);
}
if ($repoData['archived'] ?? false) {
	echo "  Already archived — nothing to do\n";
	exit(0);
}
echo "  Found: " . ($repoData['html_url'] ?? "{$org}/{$repoName}") . "\n";

// ── Step 2: Close all open PRs ──────────────────────────────────────────
if (!$skipClose) {
	echo "Step 2: Closing open pull requests...\n";
	$prs = $adapter->listPullRequests($org, $repoName, ['state' => 'open']);
	$prCount = count($prs);
	echo "  Found {$prCount} open PRs\n";

	foreach ($prs as $pr) {
		$num = $pr['number'];
		if (!$dryRun) {
			$adapter->updatePullRequest($org, $repoName, $num, ['state' => 'closed']);
			$adapter->addIssueComment($org, $repoName, $num,
				"Closed as part of repository archival. This repository is being retired.\n\n*Auto-closed by `archive_repo.php`*"
			);
		}
		echo "  Closed PR #{$num}: {$pr['title']}\n";
	}

	// ── Step 3: Close all open issues ───────────────────────────────────
	echo "Step 3: Closing open issues...\n";
	$issues = $adapter->listIssues($org, $repoName, ['state' => 'open']);
	$issues = array_filter($issues, fn($i) => !isset($i['pull_request']));
	$issueCount = count($issues);
	echo "  Found {$issueCount} open issues\n";

	foreach ($issues as $issue) {
		$num = $issue['number'];
		if (!$dryRun) {
			$adapter->closeIssue($org, $repoName, $num);
			$adapter->addIssueComment($org, $repoName, $num,
				"Closed as part of repository archival.\n\n*Auto-closed by `archive_repo.php`*"
			);
		}
		echo "  Closed issue #{$num}: {$issue['title']}\n";
	}
} else {
	echo "Step 2-3: Skipping issue/PR closure (--skip-close)\n";
}

// ── Step 4: Archive the repository ──────────────────────────────────────
echo "Step 4: Archiving repository...\n";
if (!$dryRun) {
	try {
		$adapter->archiveRepo($org, $repoName);
		echo "  Repository archived\n";
	} catch (\Exception $e) {
		echo "  Failed to archive: " . $e->getMessage() . "\n";
	}
} else {
	echo "  (dry-run) would archive {$org}/{$repoName}\n";
}

// ── Step 5: (removed — sync definitions no longer used) ─────────────────

// ── Step 6: Create archival record ──────────────────────────────────────
echo "Step 6: Creating archival record...\n";
if (!$dryRun) {
	$now = gmdate('Y-m-d H:i:s') . ' UTC';
	try {
		$issue = $adapter->createIssue($org, 'MokoStandards',
			"chore: archived repository {$repoName}",
			"## Repository Archived\n\n**Repository:** `{$org}/{$repoName}`\n**Archived:** {$now}\n**Platform:** {$platformName}\n**Sync definition removed:** yes\n\n---\n*Auto-created by `archive_repo.php`*\n",
			[
				'labels'    => ['type: chore', 'automation', 'archived'],
				'assignees' => ['jmiller'],
			]
		);
		if (isset($issue['number'])) { echo "  Archival record: MokoStandards#{$issue['number']}\n"; }
	} catch (\Exception $e) {
		echo "  Warning: could not create archival record: " . $e->getMessage() . "\n";
	}
} else {
	echo "  (dry-run) would create archival record issue\n";
}

echo "\n" . str_repeat('-', 50) . "\n";
echo "Repository {$org}/{$repoName} archived successfully\n";