#!/usr/bin/php
<?php
define('MKVIEW_VERSION', '1.0.0-dev');

$title = "Repository";
$url   = "http://localhost";
$level = 1;
$template = __DIR__;

// 0: debug, 1: message, 2: error, 3: die
function msg(int $l, string $m) {
	global $level;

	if ($l >= $level) {
		if (!$l) {
			echo "+ ";
		}
		echo "$m\n";
	}
	if ($l >= 3) {
		exit(1);
	}
}

function usage() {
	printf("\nMkView version %s - (c) Remi Collet\n", MKVIEW_VERSION);
	printf("\nusage: %s [ options ]\n\n", $_SERVER['argv'][0]);
	printf("\t--template directory\n");
	printf("\t--url      repository public URL\n");
	printf("\t--quiet    less message\n");
	printf("\t--verbose  more message\n");
	printf("\t--title    repository title\n\n");
}

function parse_repomd() {
	if (!is_dir("repodata")) {
		msg(3, "repodata directory missing");
	}
	if (!is_file("repodata/repomd.xml")) {
		msg(3, "repomd.xml is missing");
	}
	$md = simplexml_load_file("repodata/repomd.xml");
	if (!$md) {
		msg(3, "Can't read repomd.xml or empty");
	}
	msg(0, "Read repomd.xml");
	foreach($md->data as $n) {
		$a = (string)$n->attributes()->type[0];
		if ($a === 'primary') {
			$path = (string)$n->location->attributes()->href[0];
		}
	}
	if ($path) {
		msg(0, "Primary stored in $path");
	} else {
		msg(3, "Primary not found");
	}
	return $path;
}

for($i=1 ; $i<$_SERVER['argc'] ; $i++) {
	$arg = $_SERVER['argv'][$i];
	switch ($arg) {
		case '-h':
		case '--help':
			usage();
			exit(0);		
		case '-t':
		case '--title':
			$title = $_SERVER['argv'][++$i];
			break;
		case '-T':
		case '--template':
			$template = realpath($_SERVER['argv'][++$i]);
			break;
		case '-u':
		case '--url':
			$url = $_SERVER['argv'][++$i];
			break;
		case '-v':
		case '--verbose':
			$level--;
			break;
		case '-q':
		case '--quiet':
			$level++;
			break;
		default:
			if (!is_dir($arg)) {
				msg(3, "Unkownn option $arg");
			} else if (!chdir($arg)) {
				msg(3, "Bad directory $arg");
				exit(1);
			}
	}
}
msg(1, sprintf("MkView version %s - (c) Remi Collet", MKVIEW_VERSION));
msg(0, "Work in " . getcwd());
$prim = parse_repomd();
msg(0, "Done");