<?php chdir(__DIR__) ?>
<?php require 'base.php' ?>
<?php

if (file_exists('.cron.lock'))
	die('cron.php is locked by ".cron.lock"');
touch('.cron.lock');

function logi($thing) { echo date('Y/m/d H:i:s').' INFO  | '.strval($thing)."\n"; }
function loge($thing) { echo date('Y/m/d H:i:s').' ERROR | '.strval($thing)."\n"; }

function end_cronjobs() {
	unlink('.cron.lock');
	die;
}


////////////////
// INITIAL SETUP
//
$GLOBALS['_crondir'] = $GLOBALS['appconf']['data_dir'].'/cron';
if (!file_exists($GLOBALS['_crondir'])) {
	mkdir($GLOBALS['_crondir']);
	end_cronjobs();
}
$time_start = time();
//
////////////////


////////////////////////////////
// CRONJOBS for database caching
//
function run__cronjobs_db() {
	$dir = $GLOBALS['_crondir'].'/db';
	if (!file_exists($dir)) {
		mkdir($dir);
		return false;
	}
	$jobs = [];
	foreach (scandir($dir) as $jf) {
		if (in_array($jf,['.','..']))
			continue;
		$ps = explode(',',$jf);
		$jobs []= (object)[
			'id' => $ps[2],
			'file' => $dir.'/'.$jf,
			'software' => $ps[0],
			'instance' => $ps[1],
			'time' => intval($ps[3]),
		];
	}
	foreach ($jobs as $job) {
		$ms = time() - filemtime($job->file);
		$sql = file_get_contents($job->file);
		if ($ms < $job->time) continue;

		logi("Processing job: {$job->id}, software={$job->software}, instance={$job->instance}");
		$ok = false;
		switch ($job->software) {
			case 'mastodon':
				$pg = new PgDatabase($job->software, $job->instance);
				if ($pg->is_ok()) {
					$result = $pg->fetch_all($sql);
					content_cache__put($job->software.$job->instance.$sql, 'always,'.$job->time, $result);
					$pg->close();
					$ok = true;
				}
				break;
		}
		if ($ok) {
			logi("Job done: {$job->id}");
			touch($job->file);
		}
	}
}
run__cronjobs_db();
//
////////////////////////////////


///////////////////////////////
// CRONJOBS for caching cleanup
//
function run__cronjobs_cache_cleanup() {
	$cache_dir = $GLOBALS['appconf']['data_dir'].'/cache';
	if (!file_exists($cache_dir))
		return;
	foreach (scandir($cache_dir) as $fl) {
		if (in_array($fl, ['.','..']))
			continue;
		$ps = explode(',',$fl);
		if ($ps[1] !== 'ondemand')
			continue;
		$time = intval($ps[2]);
		$mtime = filemtime($cache_dir.'/'.$fl);
		if (time() - $mtime >= $time) {
			logi('CACHE-CLEANUP remove old file: '.$fl);
			unlink($cache_dir.'/'.$fl);
		}
	}
}
run__cronjobs_cache_cleanup();
//
///////////////////////////////


$ms_total = time() - $time_start;
logi("Cron has finished in {$ms_total} seconds");

end_cronjobs();