#!/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: MokoStandards.Scripts.CLI
 * INGROUP: MokoStandards
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/moko-platform
 * PATH: /cli/bulk_workflow_trigger.php
 * VERSION: 01.00.00
 * BRIEF: Trigger a workflow across multiple repos at once
 */

declare(strict_types=1);

final class BulkWorkflowTrigger
{
	private string $giteaUrl = 'https://git.mokoconsulting.tech';
	private string $token = '';
	private string $reposFile = '';
	private string $org = '';
	private string $workflow = '';
	private string $ref = 'main';
	private string $inputs = '';
	private bool $dryRun = false;

	public function run(): int
	{
		$this->parseArgs();

		if ($this->token === '')
		{
			$this->log('ERROR: --token is required.');
			$this->printUsage();
			return 1;
		}

		if ($this->workflow === '')
		{
			$this->log('ERROR: --workflow is required.');
			$this->printUsage();
			return 1;
		}

		if ($this->reposFile === '' && $this->org === '')
		{
			$this->log('ERROR: Either --repos <file> or --org <org> is required.');
			$this->printUsage();
			return 1;
		}

		// Build repo list
		$repos = $this->buildRepoList();

		if ($repos === null || count($repos) === 0)
		{
			$this->log('ERROR: No repos found to process.');
			return 1;
		}

		$this->log("Triggering workflow \"{$this->workflow}\" on ref \"{$this->ref}\" across " . count($repos) . " repo(s).");
		$this->log("Gitea URL: {$this->giteaUrl}");

		if ($this->dryRun)
		{
			$this->log('[DRY RUN] No requests will be sent.');
		}

		$this->log('');

		// Parse inputs
		$inputsDecoded = null;

		if ($this->inputs !== '')
		{
			$inputsDecoded = json_decode($this->inputs, true);

			if (!is_array($inputsDecoded))
			{
				$this->log('ERROR: --inputs must be valid JSON.');
				return 1;
			}
		}

		// Print header
		$this->log(sprintf('%-40s | %s', 'Repo', 'Status'));
		$this->log(str_repeat('-', 60));

		$failCount = 0;

		foreach ($repos as $repo)
		{
			$repo = trim($repo);

			if ($repo === '' || strpos($repo, '/') === false)
			{
				continue;
			}

			[$owner, $repoName] = explode('/', $repo, 2);

			if ($this->dryRun)
			{
				$this->log(sprintf('%-40s | %s', $repo, 'DRY RUN (skipped)'));
				continue;
			}

			$payload = ['ref' => $this->ref];

			if ($inputsDecoded !== null)
			{
				$payload['inputs'] = $inputsDecoded;
			}

			$response = $this->apiRequest(
				'POST',
				"/api/v1/repos/{$owner}/{$repoName}/actions/workflows/{$this->workflow}/dispatches",
				json_encode($payload)
			);

			if ($response['code'] >= 200 && $response['code'] < 300)
			{
				$status = 'TRIGGERED';
			}
			elseif ($response['code'] === 404)
			{
				$status = 'FAILED (not found)';
				$failCount++;
			}
			elseif ($response['code'] === 422)
			{
				$status = 'SKIPPED (unprocessable)';
			}
			else
			{
				$status = "FAILED (HTTP {$response['code']})";
				$failCount++;
			}

			$this->log(sprintf('%-40s | %s', $repo, $status));
		}

		$this->log('');
		$this->log('Done. ' . ($failCount > 0 ? "{$failCount} failure(s)." : 'All succeeded.'));

		return $failCount > 0 ? 1 : 0;
	}

	private function parseArgs(): void
	{
		$args = $_SERVER['argv'] ?? [];
		$count = count($args);

		for ($i = 1; $i < $count; $i++)
		{
			switch ($args[$i])
			{
				case '--gitea-url':
					$this->giteaUrl = rtrim($args[++$i] ?? '', '/');
					break;
				case '--token':
					$this->token = $args[++$i] ?? '';
					break;
				case '--repos':
					$this->reposFile = $args[++$i] ?? '';
					break;
				case '--org':
					$this->org = $args[++$i] ?? '';
					break;
				case '--workflow':
					$this->workflow = $args[++$i] ?? '';
					break;
				case '--ref':
					$this->ref = $args[++$i] ?? 'main';
					break;
				case '--inputs':
					$this->inputs = $args[++$i] ?? '';
					break;
				case '--dry-run':
					$this->dryRun = true;
					break;
				case '--help':
				case '-h':
					$this->printUsage();
					exit(0);
				default:
					$this->log("WARNING: Unknown argument: {$args[$i]}");
					break;
			}
		}
	}

	private function printUsage(): void
	{
		$this->log('Usage: bulk_workflow_trigger.php --token <token> --workflow <file> [options]');
		$this->log('');
		$this->log('Options:');
		$this->log('  --gitea-url <url>      Gitea URL (default: https://git.mokoconsulting.tech)');
		$this->log('  --token <token>        Gitea API token');
		$this->log('  --repos <file>         File with newline-separated owner/repo list');
		$this->log('  --org <org>            Trigger on all repos in an org');
		$this->log('  --workflow <filename>  Workflow file (e.g., "sync-servers.yml")');
		$this->log('  --ref <branch>         Branch ref (default: "main")');
		$this->log('  --inputs <json>        Workflow inputs as JSON string');
		$this->log('  --dry-run              Show what would be done without triggering');
		$this->log('  --help, -h             Show this help');
	}

	private function buildRepoList(): ?array
	{
		if ($this->reposFile !== '')
		{
			if (!file_exists($this->reposFile))
			{
				$this->log("ERROR: Repos file not found: {$this->reposFile}");
				return null;
			}

			$content = file_get_contents($this->reposFile);
			$lines = array_filter(array_map('trim', explode("\n", $content)), function (string $line): bool {
				return $line !== '' && $line[0] !== '#';
			});

			return array_values($lines);
		}

		// Fetch all repos from org
		$this->log("Fetching repos from org: {$this->org}");

		$page = 1;
		$repos = [];

		while (true)
		{
			$response = $this->apiRequest('GET', "/api/v1/orgs/{$this->org}/repos?limit=50&page={$page}");

			if ($response['code'] < 200 || $response['code'] >= 300)
			{
				if ($page === 1)
				{
					$this->log("ERROR: Could not fetch repos for org (HTTP {$response['code']}).");
					return null;
				}

				break;
			}

			$data = json_decode($response['body'], true);

			if (!is_array($data) || count($data) === 0)
			{
				break;
			}

			foreach ($data as $repo)
			{
				$fullName = $repo['full_name'] ?? '';

				if ($fullName !== '')
				{
					$repos[] = $fullName;
				}
			}

			$page++;
		}

		$this->log('Found ' . count($repos) . " repo(s) in org \"{$this->org}\".");

		return $repos;
	}

	private function apiRequest(string $method, string $endpoint, ?string $body = null): array
	{
		$url = $this->giteaUrl . $endpoint;

		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
		curl_setopt($ch, CURLOPT_HTTPHEADER, [
			'Content-Type: application/json',
			'Accept: application/json',
			"Authorization: token {$this->token}",
		]);

		if ($body !== null)
		{
			curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
		}

		$responseBody = curl_exec($ch);
		$httpCode = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);

		if (curl_errno($ch))
		{
			$error = curl_error($ch);
			curl_close($ch);

			return ['code' => 0, 'body' => "cURL error: {$error}"];
		}

		curl_close($ch);

		return ['code' => $httpCode, 'body' => $responseBody];
	}

	private function log(string $message): void
	{
		fwrite(STDERR, $message . PHP_EOL);
	}
}

$app = new BulkWorkflowTrigger();
exit($app->run());