<?php
$_SERVER['SERVER_NAME'] = 'biuro.biall-net.pl';
require("../../se-lib/bootstrap.php");
Lib::loadClass("Vendor_Geophp");

//


$query = "select astext(the_geom) as multiway from Rozdzielcza_test_bzyk_drogi where numpoints(the_geom)>1";
$result = DB::getPDO()->fetchall($query);
$joins = array();
foreach ($result as $row) {
	$multiway = Vendor_Geophp::load($row['multiway'], 'wkt');
//echo $multiway->length();
	for ($i = 1; $i < $n = $multiway->numPoints(); $i++) {
		$ways[] = new LineString(array($multiway->pointN($i), $multiway->pointN($i+1)));
		if (!in_array($multiway->pointN($i)->asText(), $joins)) $joins[] = $multiway->pointN($i)->asText();
	}
	if (!in_array($multiway->pointN($n)->asText(), $joins)) $joins[] = $multiway->pointN($n)->asText();
}

// todo relacje ways <-> joins

$query = "select ID, astext(the_geom) as point, astext(the_geom_nearest_way) as way, astext(the_geom_xpoint) as xpoint from Rozdzielcza_test_bzyk_punkty_adresowe";
$result = DB::getPDO()->fetchall($query);
$xpoints = array();
foreach ($result as $row) {
        $points[$row['ID']] = Vendor_Geophp::load($row['point'], 'wkt');

        $xpoint = Vendor_Geophp::load($row['xpoint'], 'wkt');
	if (!($key = array_search($xpoint->asText(), $xpoints))) $key = array_push($xpoints, $xpoint->asText())-1;
	$xpoints2points[$key][] = $row['ID'];
	$points2xpoints[$row['ID']] = $key;

        $way = Vendor_Geophp::load($row['way'], 'wkt');

	if (!(in_array($xpoint->asText(), $joins))) {
		if (@!in_array($key, $ways2cut[array_search($way, $ways)])) {
			$ways2cut[array_search($way, $ways)][] = $key;
		}
	};
}

function pointsDistance($a, $b) {
	$line = new LineString(array($a, $b));
	return $line->length();
}

foreach ($ways2cut as $way_key => $xpoint_keys) {
	$distances = array();
	foreach ($xpoint_keys as $xpoint_key) {
		$xpoint = Vendor_Geophp::load($xpoints[$xpoint_key], 'wkt');
		$joins[] = $xpoint;
		$distances[$xpoint_key] = pointsDistance($ways[$way_key]->startPoint(), $xpoint);
	}
	asort($distances);

	$sub_xpoints = array();
	foreach (array_keys($distances) as $xpoint_key) {
		$sub_xpoints[] = Vendor_Geophp::load($xpoints[$xpoint_key]);
	}

	$startPoint = $ways[$way_key]->startPoint();
	$endPoint = $ways[$way_key]->endPoint();
	$ways[$way_key] = new LineString(array($startPoint, $sub_xpoints[0]));
	for ($i = 0; $i < $n = count($sub_xpoints) - 1; $i++) {
		$ways[] = new LineString(array($sub_xpoints[$i], $sub_xpoints[$i+1]));
	}
	$ways[] = new LineString(array($sub_xpoints[$n], $endPoint));
		
}

//print_r($ways);

/*
$db = DB::getDB();
$db->query("truncate table Rozdzielcza_test_bzyk_ways");
$db->query("truncate table Rozdzielcza_test_bzyk_joins");


foreach ($ways as $way) {
	$query = "insert into Rozdzielcza_test_bzyk_ways (the_geom) values (linefromtext('".$way->asText()."'))";
	$db->query($query);
}

foreach ($xpoints as $xpoint) {
	$xpoint2 = Vendor_Geophp::load($xpoint, 'wkt');
	$query = "insert into Rozdzielcza_test_bzyk_joins (the_geom) values (pointfromtext('".$xpoint2->asText()."'))";
	$db->query($query);
}
*/