<?php

$sessions = array();

$firstHour = null;
$lastHour = null;
foreach($this->pg['trainingschedual'] as $session) {
	if ($session['day'] == $this->day) {
		if (!$firstHour || $session['starts'] < $firstHour) {
			$firstHour = $session['starts'];
			$lastHour = is_float((float)$session['starts']) ? round($session['starts'] - 1) : $session['starts'];
		}
		if (!$lastHour || $session['ends'] > $lastHour) {
			$lastHour = is_float((float)$session['ends']) ? round($session['ends'] + 1) : $session['ends'];
		}
		$session['title'] = $this->pgsportset['branches'][$session['sports_branches_id']]['name'];
		$sessions[] = $session;
	}
}

if (!$sessions) {
	return;
}

$schedual = range($firstHour, $lastHour);

$fullWidth = 620;
$fullHeight = null; // levels * 25 height per session + 35 spacing
$sessionHeight = 25;
$topPositionMargin = 45;

//$widthPerCol = ($fullWidth - count($schedual)) / count($schedual);
$widthPerCol = $fullWidth / (count($schedual)-1);
$quarterPerCol = ($widthPerCol / 4);
//$widthPerCol -= 1;

// set colission stepping
$colissionStepping = array();
foreach($schedual as $hop => $hour) {
    foreach(range(0,3) as $q) {
        $float = $hour + ($q * .15);
        $colissionStepping[(string)$float] = '';
    }
}
$colissionLevels = array(
    $colissionStepping
);

//function checkColission($c) {
//    global $colissionLevel;
//    pr($colissionLevel);
//    foreach($colissionLevel as & $level) {
//        $colissionDetected = false;
//        $dirtyLevel = $level;
//        // check if the entire range is possible in this level
//        foreach($level as $stepping => $reservedSpot) {
//            if ($c['end'] < $stepping) {
//                break;
//            }
//            if ($c['start'] > $stepping) {
//                if ($reservedSpot) {
//                    $colissionDetected = true;
//                    break;
//                }
//                $dirtyLevel[(string)$stepping] = true;
//            }
//        }
//        pr($dirtyLevel);
//        if ($colissionDetected) {
//            // next level
//        }
//        else {
//            // range is free, reserve
//            // reserve range
//        }
//    }
//}

//function setColissionLevels($session, $currentLevel, $index) {
//
//}

foreach($sessions as $sessKey => & $sess)
{
    foreach($colissionLevels as $k => $level) {
//        setColissionLevels($sess, $level, $k);
//        if ($sess['name'] == '9' && $k == 2) {
////            pr($level);
//        }
        $colissionDetected = false;
        $newLevel = $colissionStepping;
        $dirtyLevel = $level;
        // check if the entire range is possible in this level
        foreach($level as $stepping => $reservedSpot) {
            if ($stepping >= $sess['ends']) {
                break;
            }
            if ($stepping >= $sess['starts']) {
                $newLevel[(string)$stepping] = $sessKey;
                if (strlen($reservedSpot)) {
                    $colissionDetected = true;
                    continue;
                }
                $dirtyLevel[(string)$stepping] = $sessKey;
            }
        }

//        if ($sess['name'] == '9' && $k == 2) {
//            pr($dirtyLevel, 0);
//            pr($newLevel);
//        }

        if ($colissionDetected) {
            if (!isset($colissionLevels[$k + 1])) {
                // create new lvl
                $colissionLevels[] = $newLevel;
                $sess['inLevel'] = $k + 1;
                break;
            }
//            else {
//                // iterate over same logic, function wrapper todo
//                pr($sess);
//            }
        }
        else {
            $colissionLevels[$k] = $dirtyLevel;
            $sess['inLevel'] = $k;
            break;
        }
    }
}

$fullHeight = (count($colissionLevels) * $sessionHeight) + $topPositionMargin;

echo '<div class="trScheduler ui-helper-clearfix" style="height:' . $fullHeight . 'px;width:' . $fullWidth . 'px;position:relative;">';

/**
 * grid drawing
 * 
 * normal loop draws 1 block too many
 */
//foreach($schedual as $hop => $hour)
foreach(array_slice($schedual, 0, -1) as $hop => $hour)	
{
    $pixelHourPos = $widthPerCol * $hop;

    $attr = array();
    if ($hop % 2) {
        $attr['style']['background'] = '#eee;';
    }
    else {
        $attr['style']['background'] = '#ddd;';
    }
    $attr['style']['left'] = $pixelHourPos . 'px';
	$attr['style']['padding-top'] = '5px';
    $attr['class'][] = 'gridBlock';
    $attr['style']['height'] = ($fullHeight + 0) . 'px';
    $attr['style']['width'] = $widthPerCol .'px';
    if (max($schedual) == $hour) {
        $attr['style']['width'] = '1px';
    }
	$inner = '';
	if ($hop != max(array_keys($schedual)) && $hop != min(array_keys($schedual))) {
//		if ($hour > 12) {
//			$hourStr = $hour - 12;
//			$hourSuffix = ' pm';
//		}
//		else {
//			$hourSuffix = ' am';
//			$hourStr = $hour;
//		}
//		$cls = $hourStr > 9 ? 'strlen2' : 'strlen1';
//		$inner = '<div><div style="-moz-transform: rotate(-90deg);" class="'.$cls.'">'. $hourStr . $hourSuffix .'</div></div>';
		$cls = '';
		if ($hour == 12) {
			$cls = 'midday';
		}
		$inner = '<div><div style="-moz-transform: rotate(-90deg);" class="'.$cls.'">'. str_pad(number_format($hour, 2, ':', ':'), 5, 0, STR_PAD_LEFT) .'</div></div>';
		
	}
    echo $this->ele('div', $inner, $attr);

    foreach(range(0,3) as $stepping)
    {
        $quarterMark = $stepping * .15;
        $time = $hour + $quarterMark;
        $pixelPos = $pixelHourPos + ($stepping * $quarterPerCol);

        foreach($sessions as & $c) {
            if ($c['starts'] == $time) {
                $c['startPx'] = $pixelPos;
            }
            if ($c['ends'] == $time) {
                $c['endPx'] = $pixelPos;
            }
            unset($c);
        }
    }
}

$colorSets = array();
foreach($this->pgsportset['sports'] as $sport) {
	$colorSets[$sport['id']] = $sport['colorRange'];
}

foreach($sessions as $c)
{
//    $height = 100 / count($colissionLevels);
	$height = 25;

	$attr = array();
	$options = array();
//	$options['events']['render'] = 'function(event, api) {
//		alert("qwer");
//	}';
//	$options['show']['ready'] = true;
//	   hide: {
//      fixed: true
//   }
//	$options['position'] = array(
//		'target' => 'mouse',
//		'adjust' => array('mouse' => false)
//	);
//	$options['hide']['target'] = '#trScheduler .session';
	$options['position']['at'] = 'top right';
	$options['position']['my'] = 'bottom left';
	
	$content = '';

	$date1 = new DateTime('1-1-2000 '. number_format($c['starts'], 2, ':', ':'));
	$date2 = new DateTime('1-1-2000 '. number_format($c['ends'], 2, ':', ':'));
	$interval = $date1->diff($date2);

	$content .= "How long?";
	if ((int)$interval->format('%h')) {
		$content .= ' <b>'. $interval->format('%h') .'</b> hours';
	}
	if ((int)$interval->format('%i')) {
		if ((int)$interval->format('%h')) {
			$content .= ' and';
		}
		$content .= ' <b>' .$interval->format('%i') .'</b> minutes.';
	}
	
	$content .= "\nWhat time? <b>". number_format($c['starts'], 2, ':', ':') .'</b> to <b>'. number_format($c['ends'], 2, ':', ':') ."</b>\n\n";
	
	if (false) {
		$content .= $c['description'];
	}
	else {
		$content .= $this->pgsportset['branches'][$c['sports_branches_id']]['description'];
	}
	
	$attr['qtip-hooks'] = 'hoverevents';
	$tip = $this->qtip($c['title'], $c['title'], nl2br2($content), $attr, $options);
	
    $attr = array();
    $attr['class'][] = 'session';
    $attr['style']['background-color'] = '#' . array_shift($colorSets[$this->pgsportset['branches'][$c['sports_branches_id']]['sports_id']]);
//	$attr['style']['background'] = '-moz-linear-gradient(top, #'. array_shift($colorSets[$this->pgsportset['branches'][$c['sports_branches_id']]['sports_id']]) .' 0%, #fff 100%);';
    $attr['style']['left'] = $c['startPx'] . 'px';
    $attr['style']['width'] = ($c['endPx'] - $c['startPx']) . 'px';
    $attr['style']['height'] = $sessionHeight . 'px';
    $attr['style']['line-height'] = $height . 'px';
    $top = 0;
    if ($c['inLevel']) {
        $top = $c['inLevel'] * $sessionHeight;
    }
	if ($top) {
		$top -= $c['inLevel'] * 2;
		//$top -= 10;
	}
//	if ($top) {
//		$top += 20;
//	}
//	else {
		$top += $topPositionMargin;
//	}
	$attr['style']['top'] = $top . 'px';
	
	echo $this->ele('div', $tip, $attr);
}

echo '</div>';