<?php
if (!defined('DP_BASE_DIR')) {
  die('You should not access this file directly.');
}

$coarseness = dPgetParam($_POST, 'coarseness', 1);
$do_report = dPgetParam($_POST, 'do_report', 0);
$hideNonWd = dPgetParam($_POST, 'hideNonWd', 0);
$log_start_date = dPgetParam($_POST, 'log_start_date', 0);
$log_end_date = dPgetParam($_POST, 'log_end_date', 0);
$use_assigned_percentage = dPgetParam($_POST, 'use_assigned_percentage', 0);
$user_id = dPgetParam($_POST, 'user_id', $AppUI->user_id);

// create Date objects from the datetime fields
$start_date = intval($log_start_date) ? new CDate($log_start_date) : new CDate(date('Y-m-01'));
$end_date = intval($log_end_date) ? new CDate($log_end_date) : new CDate();

$end_date->setTime(23, 59, 59);
?>

<script language="javascript">
var calendarField = '';

function popCalendar(field) {
	calendarField = field;
	idate = eval('document.editFrm.log_' + field + '.value');
	window.open('index.php?m=public&a=calendar&dialog=1&callback=setCalendar&date=' + idate, 'calwin', 'width=250, height=220, scrollbars=no, status=no');
}

/**
 *	@param string Input date in the format YYYYMMDD
 *	@param string Formatted date
 */
function setCalendar(idate, fdate) {
	fld_date = eval('document.editFrm.log_' + calendarField);
	fld_fdate = eval('document.editFrm.' + calendarField);
	fld_date.value = idate;
	fld_fdate.value = fdate;
}
</script>

<form name="editFrm" action="index.php?m=projects&a=reports" method="post">
<input type="hidden" name="project_id" value="<?php echo $project_id;?>" />
<input type="hidden" name="report_category" value="<?php echo $report_category;?>" />
<input type="hidden" name="report_type" value="<?php echo $report_type;?>" />

<table cellspacing="0" cellpadding="4" border="0" width="100%" class="std">


<tr>
	<td nowrap="nowrap"><?php echo $AppUI->_('For period');?>:
		<input type="hidden" name="log_start_date" value="<?php echo $start_date->format(FMT_TIMESTAMP_DATE);?>" />
		<input type="text" name="start_date" value="<?php echo $start_date->format($df);?>" class="text" disabled="disabled" />
		<a href="#" onclick="javascript:popCalendar('start_date')">
			<img src="./images/calendar.gif" width="24" height="12" alt="<?php echo $AppUI->_('Calendar');?>" border="0" />
		</a>
	</td>
	<td nowrap="nowrap"><?php echo $AppUI->_('to');?>
		<input type="hidden" name="log_end_date" value="<?php echo $end_date ? $end_date->format(FMT_TIMESTAMP_DATE) : '';?>" />
		<input type="text" name="end_date" value="<?php echo $end_date ? $end_date->format($df) : '';?>" class="text" disabled="disabled" />
		<a href="#" onclick="javascript:popCalendar('end_date')">
			<img src="./images/calendar.gif" width="24" height="12" alt="<?php echo $AppUI->_('Calendar');?>" border="0" />
		</a>
	</td>
	<td nowrap='nowrap'>
	   <input type="radio" name="coarseness" value="1" <?php if ($coarseness == 1) echo 'checked' ?> />
	   <?php echo $AppUI->_('Days');?>
	   <input type="radio" name="coarseness" value="7" <?php if ($coarseness == 7) echo 'checked' ?> />
	   <?php echo $AppUI->_('Weeks');?>
</td>
	<td nowrap='nowrap'>
	   <?php 
	       echo $AppUI->_('Tasks created by');
	       echo ' ';
	       echo getUsersCombo($user_id);
	   ?>
	</td>
</tr>
<tr>
	<td nowrap="nowrap" colspan="3" align="center">
		<input type="checkbox" name="log_all_projects" id="log_all_projects" <?php if ($log_all_projects) echo 'checked="checked"' ?> />
		<label for="log_all_projects"><?php echo $AppUI->_('Log All Projects');?></label>
	   <input type="checkbox" name="use_assigned_percentage" id="use_assigned_percentage" <?php if ($use_assigned_percentage) echo 'checked="checked"' ?> />
	   <labe for="use_assigned_percentage"><?php echo $AppUI->_('Use assigned percentage');?></label>
	
	   <input type="checkbox" name="hideNonWd" id="hideNonWd" <?php if ($hideNonWd) echo 'checked="checked"' ?> />
	   <label for="hideNonWd"><?php echo $AppUI->_('Hide non-working days');?></label>
	</td>	
	<td align="left" width="50%" nowrap="nowrap">
		<input class="button" type="submit" name="do_report" value="<?php echo $AppUI->_('submit');?>" />
	</td>
</tr>
</table>
</form>

<?php
if ($do_report) {
	
	// Let's figure out which users we have
	$q = new DBQuery;
	$q->addTable('users', 'u');
	$q->addQuery('u.user_id, u.user_username, contact_first_name, contact_last_name');
	$q->addJoin('contacts', 'c', 'u.user_contact = contact_id');
	$user_list = $q->loadHashList('user_id');
	$q->clear();
	
	$q = new DBQuery;
	$q->addTable('tasks', 't');
	$q->addTable('user_tasks', 'ut');
	$q->addTable('projects', 'p');
	$q->addQuery('t.*, ut.*, p.project_name');
	$q->addWhere('(task_start_date BETWEEN "' . $start_date->format(FMT_DATETIME_MYSQL) 
				 . '" AND "' . $end_date->format(FMT_DATETIME_MYSQL) 
				 . '" OR task_end_date BETWEEN "' . $start_date->format(FMT_DATETIME_MYSQL) 
				 . '" AND "' . $end_date->format(FMT_DATETIME_MYSQL) 
				 . '" OR (task_start_date <= "' . $start_date->format(FMT_DATETIME_MYSQL) 
				 . '" AND task_end_date >= "' . $end_date->format(FMT_DATETIME_MYSQL) . '"))');
	$q->addWhere('task_end_date IS NOT NULL');
	$q->addWhere("task_end_date != '0000-00-00 00:00:00'");
	$q->addWhere('task_start_date IS NOT NULL');
	$q->addWhere("task_start_date != '0000-00-00 00:00:00'");
	$q->addWhere("task_dynamic != '1'");
	$q->addWhere("task_milestone = '0'");
	$q->addWhere('task_duration > 0');
	$q->addWhere('t.task_project = p.project_id');
	$q->addWhere('t.task_id = ut.task_id');
	
	if ($user_id) {
		$q->addWhere("t.task_owner = '$user_id'");
    }
	if ($project_id != 0) {
		$q->addWhere("t.task_project='$project_id'");
	}
	$proj = new CProject;
	$proj->setAllowedSQL($AppUI->user_id, $q);
	
	$obj = new CTask;
	$obj->setAllowedSQL($AppUI->user_id, $q);
	
	$task_list_hash   = $q->loadHashList('task_id');
	
	$q->clear();
	
	$task_list = array();
	$fetched_projects = array();
	foreach ($task_list_hash as $task_id => $task_data) {
		$task = new CTask();
		$task->bind($task_data);
		$task_list[] = $task;
		$fetched_projects[$task->task_project] = $task_data['project_name'];
	}
	
	$user_usage = array();
	$task_dates = array();
	
	$actual_date = $start_date;
	$days_header = ''; // we will save days title here
	
	$user_tasks_counted_in = array();
	$user_names = array();
	
	if (count($task_list) == 0) {
		echo '<p>' . $AppUI->_('No data available') .'</p>';
	} else {
		foreach ($task_list as $task) {
			$task_start_date  = new CDate($task->task_start_date);
			$task_end_date    = new CDate($task->task_end_date);
			
			$day_difference   = $task_end_date->dateDiff($task_start_date);
			$actual_date      = $task_start_date;
			$users            = $task->getAssignedUsers();
			
			if ($coarseness == 1) {
				userUsageDays();
			} else if ($coarseness == 7) {
				userUsageWeeks();
			}
		}
		
		if ($coarseness == 1) {
			showDays();
		} else if ($coarseness == 7) {
			showWeeks();
		}
?>
			<center><table class="std">
			<?php echo $table_header . $table_rows; ?>
			</table>
			<table width="100%"><tr><td align="center">
		<?php
			
	
		echo '<h4>' . $AppUI->_('Total capacity for shown users') . '</h4>';
		echo $AppUI->_('Allocated hours').': '.number_format($allocated_hours_sum,2).'<br />';
		echo $AppUI->_('Total capacity').': '.number_format($total_hours_capacity,2).'<br />';
		echo $AppUI->_('Percentage used').': '. (($total_hours_capacity > 0) ? number_format($allocated_hours_sum/$total_hours_capacity,2)*100 : 0) .'%<br />';
	?>
			</td>
			<td align="center">
		<?php
			
	
			echo '<h4>' . $AppUI->_('Total capacity for all users') . '</h4>';
			echo $AppUI->_('Allocated hours').': '.number_format($allocated_hours_sum,2).'<br />';
			echo $AppUI->_('Total capacity').': '.number_format($total_hours_capacity_all,2).'<br />';
			echo $AppUI->_('Percentage used').': '.(($total_hours_capacity_all > 0) ? number_format($allocated_hours_sum/$total_hours_capacity_all,2)*100 : 0).'%<br />';
	}		
?>
			</td>
		</tr>
   </table>
	</center>
<?php
	foreach ($user_tasks_counted_in as $user_id => $project_information) {
		echo '<b>'.$user_names[$user_id].'</b><br /><blockquote>';
		echo '<table width="50%" border="1" class="std">';
		foreach ($project_information as $project_id => $task_information) {
			echo '<tr><th colspan="3"><span style="font-weight:bold; font-size:110%">'.$fetched_projects[$project_id].'</span></th></tr>';
	        
	        $project_total = 0;
	        foreach ($task_information as $task_id => $hours_assigned) {
				echo '<tr><td>&nbsp;</td><td>'.$task_list_hash[$task_id]['task_name'].'</td><td>'.round($hours_assigned,2).' hrs</td></tr>';
				$project_total += round($hours_assigned,2);
	        }
	        echo '<tr><td colspan="2" align="right"><b>'.$AppUI->_('Total assigned').'</b></td><td><b>' . $project_total . ' hrs</b></td></tr>';
		}
		echo '</table></blockquote>';
	}
}

function userUsageWeeks() {
	global $task_start_date, $task_end_date, $day_difference, $hours_added, $actual_date;
	global $users, $user_data, $user_usage,$use_assigned_percentage, $user_tasks_counted_in, $task;
	global $start_date, $end_date;
	
	$task_duration_per_week = $task->getTaskDurationPerWeek($use_assigned_percentage);
	setlocale(LC_ALL, 'en_AU'.(($locale_char_set)? ('.' . $locale_char_set) : '.utf8'));
	$ted = new CDate(Date_Calc::endOfWeek($task_end_date->day,$task_end_date->month,$task_end_date->year));
	$tsd = new CDate(Date_Calc::beginOfWeek($task_start_date->day,$task_start_date->month,$task_start_date->year));
	$ed = new CDate(Date_Calc::endOfWeek($end_date->day,$end_date->month,$end_date->year));
	$sd = new CDate(Date_Calc::beginOfWeek($start_date->day,$start_date->month,$start_date->year));
	setlocale(LC_ALL, $AppUI->user_lang);
	
	$week_difference = $end_date->workingDaysInSpan($start_date)/count(explode(",",dPgetConfig("cal_working_days")));
	
	$actual_date = $start_date;
	
	for ($i = 0; $i<=$week_difference; $i++) {
		if (!$actual_date->before($tsd) && !$actual_date->after($ted)) {
			setlocale(LC_ALL, 'en_AU'.(($locale_char_set)? ('.' . $locale_char_set) : '.utf8'));
			$awoy = $actual_date->year.Date_Calc::weekOfYear($actual_date->day,$actual_date->month,$actual_date->year);
			setlocale(LC_ALL, $AppUI->user_lang);
			foreach ($users as $user_id => $user_data) {
				if (!isset($user_usage[$user_id][$awoy])) {
					$user_usage[$user_id][$awoy] = 0;
				}
				$percentage_assigned = $use_assigned_percentage ? ($user_data['perc_assignment']/100) : 1;
				$hours_added = $task_duration_per_week * $percentage_assigned;
				$user_usage[$user_id][$awoy] += $hours_added;
				if ($user_usage[$user_id][$awoy] < 0.005) {
					// We want to show at least 0.01 even when the assigned time is very small
					// so we know that at that time the user has a running task
					$user_usage[$user_id][$awoy] += 0.006;
					$hours_added += 0.006;
				}
				
				// Let's register the tasks counted in for calculation
				if (!array_key_exists($user_id, $user_tasks_counted_in)) {
				    $user_tasks_counted_in[$user_id] = array();
				}
				
				if (!array_key_exists($task->task_project, $user_tasks_counted_in[$user_id])) {
				    $user_tasks_counted_in[$user_id][$task->task_project] = array();
				}
				
				if (!array_key_exists($task->task_id, $user_tasks_counted_in[$user_id][$task->task_project])) {
				    $user_tasks_counted_in[$user_id][$task->task_project][$task->task_id] = 0;
				}
				// We add it up
				$user_tasks_counted_in[$user_id][$task->task_project][$task->task_id] += $hours_added;
			}
		}
		$actual_date->addSeconds(168*3600);	// + one week
	}
}

function showWeeks() {
	global $allocated_hours_sum, $end_date, $start_date, $AppUI, $user_list, $user_names;
	global $user_usage, $hideNonWd, $table_header, $table_rows, $df, $working_days_count;
	global $total_hours_capacity, $total_hours_capacity_all;
	
	$working_days_count = 0;
	$allocated_hours_sum = 0;
	
	setlocale(LC_ALL, 'en_AU'.(($locale_char_set)? ('.' . $locale_char_set) : '.utf8'));
	$ed = new CDate(Date_Calc::endOfWeek($end_date->day,$end_date->month,$end_date->year));
	$sd = new CDate(Date_Calc::beginOfWeek($start_date->day,$start_date->month,$start_date->year));
	setlocale(LC_ALL, $AppUI->user_lang);
	
	$week_difference = ceil($ed->workingDaysInSpan($sd)/count(explode(',',dPgetConfig('cal_working_days'))));
	
	$actual_date = $sd;
	
	$table_header = '<tr><th>'.$AppUI->_('User').'</th>';
	for ($i=0; $i<$week_difference; $i++) {
		$actual_date->addSeconds(168*3600);	// + one week
		$working_days_count = $working_days_count + count(explode(',',dPgetConfig('cal_working_days')));
	}
	$table_header .= '<th nowrap="nowrap" colspan="2">'.$AppUI->_('Allocated').'</th></tr>';
	
	$table_rows = '';
	
	foreach ($user_list as $user_id => $user_data) {
	    @$user_names[$user_id] = $user_data['user_username'];
		if (isset($user_usage[$user_id])) {
			$table_rows .= '<tr><td nowrap="nowrap">('.$user_data['user_username'].') '.$user_data['contact_first_name'].' '.$user_data['contact_last_name'].'</td>';
			$actual_date = $sd;
/*
			for ($i=0; $i<$week_difference; $i++) { 
				setlocale(LC_ALL, 'en_AU'.(($locale_char_set)? ('.' . $locale_char_set) : '.utf8'));
				$awoy = $actual_date->year.Date_Calc::weekOfYear($actual_date->day,$actual_date->month,$actual_date->year);
				setlocale(LC_ALL, $AppUI->user_lang);

				$table_rows .= '<td align="right">';
				if (isset($user_usage[$user_id][$awoy])) {
					$hours = number_format($user_usage[$user_id][$awoy],2);
					$table_rows .= $hours;
					$percentage_used = round(($hours/(dPgetConfig('daily_working_hours')*count(explode(',',dPgetConfig('cal_working_days')))))*100);
					$bar_color = 'blue';
					if ($percentage_used > 100) {
						$bar_color = 'red';
						$percentage_used = 100;
					}
					$table_rows .= '<div style="height:2px;width:' . $percentage_used . '%; background-color:' . $bar_color . '">&nbsp;</div>';
				} else {
					$table_rows .= '&nbsp;';
				} 
				$table_rows .= '</td>';

				$actual_date->addSeconds(168*3600);	// + one week
			}
*/
			$array_sum = array_sum($user_usage[$user_id]);
			
			$average_user_usage = number_format(($array_sum/($week_difference * count(explode(',',dPgetConfig('cal_working_days')))*dPgetConfig('daily_working_hours')))*100, 2);
			$allocated_hours_sum += $array_sum;
			
			$bar_color = 'blue';
			if ($average_user_usage > 100) {
				$bar_color = 'red';
				$average_user_usage = 100;
			}
			$table_rows .= '<td><div align="left">'.round($array_sum, 2).' '.$AppUI->_('hours').'</td> <td align="right"> ' . $average_user_usage;
			$table_rows .= '%</div>';
			$table_rows .= '<div align="left" style="height:2px;width:' . $average_user_usage . '%; background-color:' . $bar_color . '">&nbsp;</div></td>';
			$table_rows .= '</tr>';
		}
	}
/*
	$total_hours_capacity = $week_difference * count(explode(',',dPgetConfig('cal_working_days'))) * dPgetConfig('daily_working_hours') * count($user_usage);		
	$total_hours_capacity_all = $week_difference * count(explode(',',dPgetConfig('cal_working_days'))) *dPgetConfig('daily_working_hours') * count($user_list);
*/
	$total_hours_capacity = $working_days_count/2*dPgetConfig('daily_working_hours')*count($user_usage);
	$total_hours_capacity_all = $working_days_count/2*dPgetConfig('daily_working_hours')*count($user_list);
}

function userUsageDays() {
	global $task_start_date, $task_end_date, $day_difference, $hours_added, $actual_date, $users;
	global $user_data, $user_usage,$use_assigned_percentage, $user_tasks_counted_in, $task;
	global $start_date, $end_date;
	
	$task_duration_per_day = $task->getTaskDurationPerDay($use_assigned_percentage);
	
	for ($i = 0; $i<=$day_difference; $i++) {
		if (!$actual_date->before($start_date) && !$actual_date->after($end_date)
		    && $actual_date->isWorkingDay()) {
	
			foreach ($users as $user_id => $user_data) {
				if (!isset($user_usage[$user_id][$actual_date->format('%Y%m%d')])) {
					$user_usage[$user_id][$actual_date->format('%Y%m%d')] = 0;
				}
				$percentage_assigned = $use_assigned_percentage ? ($user_data['perc_assignment']/100) : 1;
				$hours_added = $task_duration_per_day * $percentage_assigned;
				$user_usage[$user_id][$actual_date->format('%Y%m%d')] += $hours_added;
				if ($user_usage[$user_id][$actual_date->format('%Y%m%d')] < 0.005) {
					// We want to show at least 0.01 even when the assigned time is very small
					// so we know that at that time the user has a running task
					$user_usage[$user_id][$actual_date->format('%Y%m%d')] += 0.006;
					$hours_added += 0.006;
				}
				
				// Let's register the tasks counted in for calculation
				if (!array_key_exists($user_id, $user_tasks_counted_in)) {
				    $user_tasks_counted_in[$user_id] = array();
				}
				
				if (!array_key_exists($task->task_project, $user_tasks_counted_in[$user_id])) {
				    $user_tasks_counted_in[$user_id][$task->task_project] = array();
				}
				
				if (!array_key_exists($task->task_id, $user_tasks_counted_in[$user_id][$task->task_project])) {
				    $user_tasks_counted_in[$user_id][$task->task_project][$task->task_id] = 0;
				}
				// We add it up
				$user_tasks_counted_in[$user_id][$task->task_project][$task->task_id] += $hours_added;
			}
		}
		$actual_date->addDays(1);
	}
}




function showDays() {
	global $allocated_hours_sum, $end_date, $start_date, $AppUI, $user_list, $user_names;
	global $user_usage, $hideNonWd, $table_header, $table_rows, $df, $working_days_count;
	global $total_hours_capacity, $total_hours_capacity_all;
	
	$days_difference =  $end_date->dateDiff($start_date);
	
	$actual_date = $start_date;
	$working_days_count = 0;
	$allocated_hours_sum = 0;
	
	$table_header = '<tr><th>'.$AppUI->_('User').'</th>';
	for ($i=0; $i<=$days_difference; $i++) {
		if ($actual_date->isWorkingDay()) {
			$working_days_count++;
		}
		$actual_date->addDays(1);
	}
	$table_header .= '<th nowrap="nowrap" colspan="2">'.$AppUI->_('Allocated').'</th></tr>';
	
	$table_rows = '';
	foreach ($user_list as $user_id => $user_data) {
		@$user_names[$user_id] = $user_data['user_username'];
		if (isset($user_usage[$user_id])) {
			$table_rows .= '<tr><td nowrap="nowrap">('.$user_data['user_username'].') '.$user_data['contact_first_name'].' '.$user_data['contact_last_name'].'</td>';
			$actual_date = $start_date;
/*
			for ($i=0; $i<=$days_difference; $i++) {	
				if (($actual_date->isWorkingDay()) || (!$actual_date->isWorkingDay() && !$hideNonWd)) {
					$table_rows .= '<td>';
					if (isset($user_usage[$user_id][$actual_date->format('%Y%m%d')])) {
						$hours = number_format($user_usage[$user_id][$actual_date->format('%Y%m%d')],2);
						$table_rows .= $hours;
						$percentage_used = round($hours/dPgetConfig('daily_working_hours')*100);
						$bar_color = 'blue';
						if ($percentage_used > 100) {
							$bar_color = 'red';
							$percentage_used = 100;
						}
						$table_rows .= '<div style="height:2px;width:' . $percentage_used . '%; background-color:' . $bar_color . '">&nbsp;</div>';
					} else {
						$table_rows .= '&nbsp;';
					} 
					$table_rows .= '</td>';
				}
				$actual_date->addDays(1);
			}
*/
			$array_sum = array_sum($user_usage[$user_id]);
			$average_user_usage = number_format(($array_sum/($working_days_count*dPgetConfig('daily_working_hours')))*100, 2);
			$allocated_hours_sum += $array_sum;
			
			$bar_color = 'blue';
			if ($average_user_usage > 100) {
				$bar_color = 'red';
				$average_user_usage = 100;
			}
			$table_rows .= '<td><div align="left">'.round($array_sum, 2).' '.$AppUI->_('hours').'</td> <td align="right"> '.$average_user_usage ;
			$table_rows .= '%</div>';
			$table_rows .= '<div align="left" style="height:2px;width:' . $average_user_usage . '%; background-color:' . $bar_color . '">&nbsp;</div></td>';
			$table_rows .= '</tr>';
		}
	}
	$total_hours_capacity = $working_days_count*dPgetConfig('daily_working_hours')*count($user_usage);
	$total_hours_capacity_all = $working_days_count*dPgetConfig('daily_working_hours')*count($user_list);
}
?>		
