#!/usr/bin/php
<?
require_once('/standardebooks.org/web/lib/Core.php');

/**
 * Iterate over all `Project`s that are in progress or stalled and get their latest GitHub commit. If the commit is more than 30 days old, mark the `Project` as stalled.
 */

use function Safe\curl_exec;
use function Safe\curl_getinfo;
use function Safe\curl_init;
use function Safe\curl_setopt;
use function Safe\file_get_contents;
use function Safe\json_decode;
use function Safe\preg_replace;

use Safe\DateTimeImmutable;

$apiToken = trim(file_get_contents('/standardebooks.org/config/secrets/se-vcs-bot@api.github.com'));

$headers = [
			'Accept: application/vnd.github+json',
			'Authorization: Bearer ' . $apiToken,
			'X-GitHub-Api-Version: 2022-11-28',
			'User-Agent: Standard Ebooks' // Required by GitHub.
		];

$projects = array_merge(
		Project::GetAllByStatus(Enums\ProjectStatusType::InProgress),
		Project::GetAllByStatus(Enums\ProjectStatusType::Stalled)
	);

foreach($projects as $project){
	// First, we check if the repo has been renamed. If so, update the repo now.
	$curl = curl_init($project->VcsUrl);
	curl_setopt($curl, CURLOPT_CUSTOMREQUEST, Enums\HttpMethod::Head->value); // Only perform HTTP HEAD.
	curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
	curl_exec($curl);

	$finalUrl = curl_getinfo($curl, CURLINFO_EFFECTIVE_URL);
	// Were we redirected?
	if($finalUrl != $project->VcsUrl){
		$project->VcsUrl = $finalUrl;
		$project->Save();
	}

	// Now check the actual commits.
	$url = preg_replace('|^https://github.com/|iu', 'https://api.github.com/repos/', $project->VcsUrl . '/commits');

	$curl = curl_init($url);
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

	try{
		$response = curl_exec($curl);
		/** @var int $httpCode */
		$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);

		if(!is_string($response)){
			throw new Exception('Response from GitHub was not a string: ' . $response);
		}

		if($httpCode != Enums\HttpCode::Ok->value){
			throw new Exception('HTTP code from GitHub was: ' . $httpCode);
		}

		/** @var array<stdClass> $commits */
		$commits = json_decode($response);

		if(sizeof($commits) > 0){
			$project->LastCommitTimestamp = new DateTimeImmutable($commits[0]->commit->committer->date);
		}

		if($project->LastCommitTimestamp !== null && $project->LastCommitTimestamp < new DateTimeImmutable('30 days ago')){
			$project->Status = Enums\ProjectStatusType::Stalled;
		}
		else{
			// Revive previously-stalled `Project`s.
			$project->Status = Enums\ProjectStatusType::InProgress;
		}

		$project->Save();
	}
	catch(Exception $ex){
		Log::WriteErrorLogEntry('Error in update-project-commits for URL <' . $url . '>: ' . $ex->getMessage());
	}

	sleep(1);
}