<?php
  /**************************************************************************\
  * eGroupWare - Setup                                                       *
  * http://www.egroupware.org                                                *
  * --------------------------------------------                             *
  *  This program is free software; you can redistribute it and/or modify it *
  *  under the terms of the GNU General Public License as published by the   *
  *  Free Software Foundation; either version 2 of the License, or (at your  *
  *  option) any later version.                                              *
  \**************************************************************************/

  /* $Id$ */

	$DEBUG = @$_POST['debug'] || @$_GET['debug'];
	/*
	 TODO: We allow a user to hose their setup here, need to make use
	 of dependencies so they are warned that they are pulling the rug
	 out from under other apps.  e.g. if they select to uninstall the api
	 this will happen without further warning.
	*/

	$GLOBALS['egw_info'] = array(
		'flags' => array(
			'noheader' => True,
			'nonavbar' => True,
			'currentapp' => 'home',
			'noapi' => True
	));
	include ('./inc/functions.inc.php');

	@set_time_limit(0);

	// Check header and authentication
	if (!$GLOBALS['egw_setup']->auth('Config'))
	{
		Header('Location: index.php');
		exit;
	}
	// Does not return unless user is authorized

	$tpl_root = $GLOBALS['egw_setup']->html->setup_tpl_dir('setup');
	$setup_tpl = CreateObject('setup.Template',$tpl_root);
	$setup_tpl->set_file(array(
		'T_head' => 'head.tpl',
		'T_footer' => 'footer.tpl',
		'T_alert_msg' => 'msg_alert_msg.tpl',
		'T_login_main' => 'login_main.tpl',
		'T_login_stage_header' => 'login_stage_header.tpl',
		'T_setup_main' => 'applications.tpl'
	));

	$setup_tpl->set_block('T_login_stage_header','B_multi_domain','V_multi_domain');
	$setup_tpl->set_block('T_login_stage_header','B_single_domain','V_single_domain');
	$setup_tpl->set_block('T_setup_main','header','header');
	$setup_tpl->set_block('T_setup_main','app_header','app_header');
	$setup_tpl->set_block('T_setup_main','apps','apps');
	$setup_tpl->set_block('T_setup_main','detail','detail');
	$setup_tpl->set_block('T_setup_main','table','table');
	$setup_tpl->set_block('T_setup_main','hook','hook');
	$setup_tpl->set_block('T_setup_main','dep','dep');
	$setup_tpl->set_block('T_setup_main','app_footer','app_footer');
	$setup_tpl->set_block('T_setup_main','submit','submit');
	$setup_tpl->set_block('T_setup_main','footer','footer');

	$bgcolor = array('#DDDDDD','#EEEEEE');

	function parsedep($depends,$main=True)
	{
		$depstring = '(';
		foreach($depends as $a => $b)
		{
			foreach($b as $c => $d)
			{
				if (is_array($d))
				{
					$depstring .= $c . ': ' .implode(',',$d) . '; ';
					$depver[] = $d;
				}
				else
				{
					$depstring .= $c . ': ' . $d . '; ';
					$depapp[] = $d;
				}
			}
		}
		$depstring .= ')';
		if ($main)
		{
			return $depstring;
		}
		else
		{
			return array($depapp,$depver);
		}
	}

	$GLOBALS['egw_setup']->loaddb();
	$GLOBALS['egw_info']['setup']['stage']['db'] = $GLOBALS['egw_setup']->detection->check_db();

	$setup_info = $GLOBALS['egw_setup']->detection->get_versions();
	//var_dump($setup_info);exit;
	$setup_info = $GLOBALS['egw_setup']->detection->get_db_versions($setup_info);
	//var_dump($setup_info);exit;
	$setup_info = $GLOBALS['egw_setup']->detection->compare_versions($setup_info);
	//var_dump($setup_info);exit;
	$setup_info = $GLOBALS['egw_setup']->detection->check_depends($setup_info);
	//var_dump($setup_info);exit;
	@ksort($setup_info);

	if(@get_var('cancel',Array('POST')))
	{
		Header("Location: index.php");
		exit;
	}

	if(@get_var('submit',Array('POST')))
	{
		$GLOBALS['egw_setup']->html->show_header(lang('Application Management'),False,'config',$GLOBALS['egw_setup']->ConfigDomain . '(' . $GLOBALS['egw_domain'][$GLOBALS['egw_setup']->ConfigDomain]['db_type'] . ')');
		$setup_tpl->set_var('description',lang('App install/remove/upgrade') . ':');
		$setup_tpl->pparse('out','header');

		$appname = get_var('appname',Array('POST'));
		$remove  = get_var('remove',Array('POST'));
		$install = get_var('install',Array('POST'));
		$upgrade = get_var('upgrade',Array('POST'));
		
		$do_langs = false;

		if(!empty($remove) && is_array($remove))
		{
			$historylog = CreateObject('phpgwapi.historylog');
			$historylog->db = $GLOBALS['egw_setup']->db;

			foreach($remove as $appname => $key)
			{
				$app_title = $setup_info[$appname]['title'] ? $setup_info[$appname]['title'] : $setup_info[$appname]['name'];
				$terror = array();
				$terror[] = $setup_info[$appname];

				if ($setup_info[$appname]['tables'])
				{
					$GLOBALS['egw_setup']->process->droptables($terror,$DEBUG);
					echo '<br />' . $app_title . ' ' . lang('tables dropped') . '.';
				}

				$GLOBALS['egw_setup']->deregister_app($setup_info[$appname]['name']);
				echo '<br />' . $app_title . ' ' . lang('deregistered') . '.';

				if ($setup_info[$appname]['hooks'])
				{
					$GLOBALS['egw_setup']->deregister_hooks($setup_info[$appname]['name']);
					echo '<br />' . $app_title . ' ' . lang('hooks deregistered') . '.';
				}
				$do_langs = true;

				if ($historylog->delete($appname))
				{
					echo '<br />' . $app_title . ' ' . lang('Historylog removed') . '.';
				}

				// delete all application categories and ACL
				$GLOBALS['egw_setup']->db->delete($GLOBALS['egw_setup']->cats_table,array('cat_appname' => $appname),__LINE__,__FILE__);
				$GLOBALS['egw_setup']->db->delete($GLOBALS['egw_setup']->acl_table,array('acl_appname' => $appname),__LINE__,__FILE__);
			}
		}

		if(!empty($install) && is_array($install))
		{
			foreach($install as $appname => $key)
			{
				$app_title = $setup_info[$appname]['title'] ? $setup_info[$appname]['title'] : $setup_info[$appname]['name'];
				$terror = array();
				$terror[] = $setup_info[$appname];

				if ($setup_info[$appname]['tables'])
				{
					$terror = $GLOBALS['egw_setup']->process->current($terror,$DEBUG);
					$terror = $GLOBALS['egw_setup']->process->default_records($terror,$DEBUG);
					echo '<br />' . $app_title . ' '
						. lang('tables installed, unless there are errors printed above') . '.';
				}
				else
				{
					if ($GLOBALS['egw_setup']->app_registered($setup_info[$appname]['name']))
					{
						$GLOBALS['egw_setup']->update_app($setup_info[$appname]['name']);
					}
					else
					{
						$GLOBALS['egw_setup']->register_app($setup_info[$appname]['name']);
					}
					echo '<br />' . $app_title . ' ' . lang('registered') . '.';

					if ($setup_info[$appname]['hooks'])
					{
						$GLOBALS['egw_setup']->register_hooks($setup_info[$appname]['name']);
						echo '<br />' . $app_title . ' ' . lang('hooks registered') . '.';
					}
				}
				$do_langs = true;
			}
		}

		if(!empty($upgrade) && is_array($upgrade))
		{
			foreach($upgrade as $appname => $key)
			{
				$app_title = $setup_info[$appname]['title'] ? $setup_info[$appname]['title'] : $setup_info[$appname]['name'];
				$terror = array();
				$terror[] = $setup_info[$appname];

				$GLOBALS['egw_setup']->process->upgrade($terror,$DEBUG);
				if ($setup_info[$appname]['tables'])
				{
					echo '<br />' . $app_title . ' ' . lang('tables upgraded') . '.';
					// The process_upgrade() function also handles registration
				}
				else
				{
					echo '<br />' . $app_title . ' ' . lang('upgraded') . '.';
				}
				$do_langs = true;
			}
		}
		if ($do_langs)
		{
			$GLOBALS['egw_setup']->process->translation->drop_add_all_langs();
		}
		//$setup_tpl->set_var('goback',
		echo '<br /><a href="applications.php?debug='.$DEBUG.'">' . lang('Go back') . '</a>';
		//$setup_tpl->pparse('out','submit');
		$setup_tpl->pparse('out','footer');
		exit;
	}
	else
	{
		$GLOBALS['egw_setup']->html->show_header(lang('Application Management'),False,'config',$GLOBALS['egw_setup']->ConfigDomain . '(' . $GLOBALS['egw_domain'][$GLOBALS['egw_setup']->ConfigDomain]['db_type'] . ')');
	}

	$detail = get_var('detail',Array('GET'));
	$resolve = get_var('resolve',Array('GET'));
	if(@$detail)
	{
		@ksort($setup_info[$detail]);
		$setup_tpl->set_var('description',lang('App details') . ':');
		$setup_tpl->pparse('out','header');

		$setup_tpl->set_var('name','application');
		$setup_tpl->set_var('details', lang($setup_info[$detail]['title']));
		$setup_tpl->pparse('out','detail');

		foreach($setup_info[$detail] as $key => $val)
		{
			if($key != 'title')
			{
				$i = ($i ? 0 : 1);

				if ($key == 'tables')
				{
					$tblcnt = count($setup_info[$detail][$key]);
					if(is_array($val))
					{
						$key = '<a href="sqltoarray.php?appname=' . $detail . '&submit=True&apps=True">' . $key . '(' . $tblcnt . ')</a>' . "\n";
						$val = implode(',' . "\n",$val);
					}
				}
				if ($key == 'hooks')   { $val = implode(',',$val); }
				if ($key == 'depends') { $val = parsedep($val); }
				if (is_array($val))    { $val = implode(',',$val); }

				$setup_tpl->set_var('bg_color',$bgcolor[$i]);
				$setup_tpl->set_var('name',$key);
				$setup_tpl->set_var('details',$val);
				$setup_tpl->pparse('out','detail');
			}
		}

		echo '<br /><a href="applications.php?debug='.$DEBUG.'">' . lang('Go back') . '</a>';
		$setup_tpl->pparse('out','footer');
		exit;
	}
	elseif (@$resolve)
	{
		$version  = get_var('version',Array('GET'));
		$notables = get_var('notables',Array('GET'));
		$setup_tpl->set_var('description',lang('Problem resolution'). ':');
		$setup_tpl->pparse('out','header');
		$app_title = $setup_info[$resolve]['title'] ? $setup_info[$resolve]['title'] : $setup_info[$resolve]['name'];

		if(get_var('post',Array('GET')))
		{
			echo '"' . $app_title . '" ' . lang('may be broken') . ' ';
			echo lang('because an application it depends upon was upgraded');
			echo '<br />';
			echo lang('to a version it does not know about') . '.';
			echo '<br />';
			echo lang('However, the application may still work') . '.';
		}
		elseif(get_var('badinstall',Array('GET')))
		{
			echo '"' . $app_title . '" ' . lang('is broken') . ' ';
			echo lang('because of a failed upgrade or install') . '.';
			echo '<br />';
			echo lang('Some or all of its tables are missing') . '.';
			echo '<br />';
			echo lang('You should either uninstall and then reinstall it, or attempt manual repairs') . '.';
		}
		elseif (!$version)
		{
			if($setup_info[$resolve]['enabled'])
			{
				echo '"' . $app_title . '" ' . lang('is broken') . ' ';
			}
			else
			{
				echo '"' . $app_title . '" ' . lang('is disabled') . ' ';
			}

			if (!$notables)
			{
				if($setup_info[$resolve]['status'] == 'D')
				{
					echo lang('because it depends upon') . ':<br />' . "\n";
					list($depapp,$depver) = parsedep($setup_info[$resolve]['depends'],False);
                                $depapp_count = count($depapp);
					for ($i=0; $i<$depapp_count; $i++)
					{
						echo '<br />' . $depapp[$i] . ': ';
						$list = '';
						foreach($depver[$i] as $x => $y)
						{
							$list .= $y . ', ';
						}
						$list = substr($list,0,-2);
						echo "$list\n";
					}
					echo '<br /><br />' . lang('The table definition was correct, and the tables were installed') . '.';
				}
				else
				{
					echo lang('because it was manually disabled') . '.';
				}
			}
			elseif($setup_info[$resolve]['enable'] == 2)
			{
				echo lang('because it is not a user application, or access is controlled via acl') . '.';
			}
			elseif($setup_info[$resolve]['enable'] == 0)
			{
				echo lang('because the enable flag for this app is set to 0, or is undefined') . '.';
			}
			else
			{
				echo lang('because it requires manual table installation, <br />or the table definition was incorrect') . ".\n"
					. lang("Please check for sql scripts within the application's directory") . '.';
			}
			echo '<br />' . lang('However, the application is otherwise installed') . '.';
		}
		else
		{
			echo $app_title . ' ' . lang('has a version mismatch') . ' ';
			echo lang('because of a failed upgrade, or the database is newer than the installed version of this app') . '.';
			echo '<br />';
			echo lang('If the application has no defined tables, selecting upgrade should remedy the problem') . '.';
			echo '<br />' . lang('However, the application is otherwise installed') . '.';
		}

		echo '<br /><a href="applications.php?debug='.$DEBUG.'">' . lang('Go back') . '</a>';
		$setup_tpl->pparse('out','footer');
		exit;
	}
	else
	{
		$setup_tpl->set_var('description',lang('Select the desired action(s) from the available choices'));
		$setup_tpl->set_var('action_url','applications.php');
		$setup_tpl->pparse('out','header');

		$setup_tpl->set_var('appdata',lang('Application Data'));
		$setup_tpl->set_var('actions',lang('Actions'));
		$setup_tpl->set_var('app_info',lang('Application Name and Status Information'));
		$setup_tpl->set_var('app_title',lang('Application Title'));
		$setup_tpl->set_var('app_currentver',lang('Current Version'));
		$setup_tpl->set_var('app_version',lang('Available Version'));
		$setup_tpl->set_var('app_install',lang('Install'));
		$setup_tpl->set_var('app_remove',lang('Remove'));
		$setup_tpl->set_var('app_upgrade',lang('Upgrade'));
		$setup_tpl->set_var('app_resolve',lang('Resolve'));
		$setup_tpl->set_var('check','check.png');
		$setup_tpl->set_var('install_all',lang('Install All'));
		$setup_tpl->set_var('upgrade_all',lang('Upgrade All'));
		$setup_tpl->set_var('remove_all',lang('Remove All'));
		$setup_tpl->set_var('lang_debug',lang('enable for extra debug-messages'));
		$setup_tpl->set_var('debug','<input type="checkbox" name="debug" value="True"' .($DEBUG ? ' checked="checked"' : '') . ' />');
		$setup_tpl->set_var('bg_color',$bgcolor[0]);

		$setup_tpl->pparse('out','app_header');

		$i = 0;
		foreach($setup_info as $key => $value)
		{
			if(@$value['name'])
			{
				$i = ($i ? 0 : 1);
				$setup_tpl->set_var('apptitle',$value['title']?$value['title']:lang($value['name']));
				$setup_tpl->set_var('currentver',@$value['currentver']);
				$setup_tpl->set_var('version',$value['version']);
				$setup_tpl->set_var('bg_color',$bgcolor[$i]);
                        
				switch($value['status'])
				{
					case 'C':
						$setup_tpl->set_var('remove','<input type="checkbox" name="remove[' . $value['name'] . ']" />');
						$setup_tpl->set_var('upgrade','&nbsp;');
						if (!$GLOBALS['egw_setup']->detection->check_app_tables($value['name']))
						{
							// App installed and enabled, but some tables are missing
							$setup_tpl->set_var('instimg','table.png');
							$setup_tpl->set_var('bg_color','FFCCAA');
							$setup_tpl->set_var('instalt',lang('Not Completed'));
							$setup_tpl->set_var('resolution','<a href="applications.php?resolve=' . $value['name'] . '&badinstall=True">' . lang('Potential Problem') . '</a>');
							$status = lang('Requires reinstall or manual repair') . ' - ' . $value['status'];
						}
						else
						{
							$setup_tpl->set_var('instimg','completed.png');
							$setup_tpl->set_var('instalt',lang('Completed'));
							$setup_tpl->set_var('install','&nbsp;');
							if($value['enabled'])
							{
								$setup_tpl->set_var('resolution','');
								$status = lang('OK') . ' - ' . $value['status'];
							}
							else
							{
								if ($value['tables'][0] != '')
								{
									$notables = '&notables=True';
								}
								$setup_tpl->set_var('bg_color','CCCCFF');
								$setup_tpl->set_var('resolution',
									'<a href="applications.php?resolve=' . $value['name'] .  $notables . '">' . lang('Possible Reasons') . '</a>'
								);
								$status = lang('Disabled') . ' - ' . $value['status'];
							}
						}
						break;
					case 'U':
						$setup_tpl->set_var('instimg','incomplete.png');
						$setup_tpl->set_var('instalt',lang('Not Completed'));
						if (!@$value['currentver'])
						{
							if ($value['tables'] && $GLOBALS['egw_setup']->detection->check_app_tables($value['name'],True))
							{
								// Some tables missing
								$setup_tpl->set_var('remove','<input type="checkbox" name="remove[' . $value['name'] . ']" />');
								$setup_tpl->set_var('resolution','<a href="applications.php?resolve=' . $value['name'] . '&badinstall=True">' . lang('Potential Problem') . '</a>');
								$status = lang('Requires reinstall or manual repair') . ' - ' . $value['status'];
							}
							else
							{
								$setup_tpl->set_var('remove','&nbsp;');
								$setup_tpl->set_var('resolution','');
								$status = lang('Requires upgrade') . ' - ' . $value['status'];
							}
							$setup_tpl->set_var('bg_color','CCFFCC');
							$setup_tpl->set_var('install','<input type="checkbox" name="install[' . $value['name'] . ']" />');
							$setup_tpl->set_var('upgrade','&nbsp;');
							$status = lang('Please install') . ' - ' . $value['status'];
						}
						else
						{
							$setup_tpl->set_var('bg_color','CCCCFF');
							$setup_tpl->set_var('install','&nbsp;');
							// TODO display some info about breakage if you mess with this app
							$setup_tpl->set_var('upgrade','<input type="checkbox" name="upgrade[' . $value['name'] . ']" />');
							$setup_tpl->set_var('remove','<input type="checkbox" name="remove[' . $value['name'] . ']" />');
							$setup_tpl->set_var('resolution','');
							$status = lang('Requires upgrade') . ' - ' . $value['status'];
						}
						break;
					case 'V':
						$setup_tpl->set_var('instimg','incomplete.png');
						$setup_tpl->set_var('instalt',lang('Not Completed'));
						$setup_tpl->set_var('install','&nbsp;');
						$setup_tpl->set_var('remove','<input type="checkbox" name="remove[' . $value['name'] . ']" />');
						$setup_tpl->set_var('upgrade','<input type="checkbox" name="upgrade[' . $value['name'] . ']" />');
						$setup_tpl->set_var('resolution','<a href="applications.php?resolve=' . $value['name'] . '&version=True">' . lang('Possible Solutions') . '</a>');
						$status = lang('Version Mismatch') . ' - ' . $value['status'];
						break;
					case 'D':
						$setup_tpl->set_var('bg_color','FFCCCC');
						$depstring = parsedep($value['depends']);
						$depstring .= ')';
						$setup_tpl->set_var('instimg','dep.png');
						$setup_tpl->set_var('instalt',lang('Dependency Failure'));
						$setup_tpl->set_var('install','&nbsp;');
						$setup_tpl->set_var('remove','&nbsp;');
						$setup_tpl->set_var('upgrade','&nbsp;');
						$setup_tpl->set_var('resolution','<a href="applications.php?resolve=' . $value['name'] . '">' . lang('Possible Solutions') . '</a>');
						$status = lang('Dependency Failure') . ':' . $depstring . $value['status'];
						break;
					case 'P':
						$setup_tpl->set_var('bg_color','FFCCFF');
						$depstring = parsedep($value['depends']);
						$depstring .= ')';
						$setup_tpl->set_var('instimg','dep.png');
						$setup_tpl->set_var('instalt',lang('Post-install Dependency Failure'));
						$setup_tpl->set_var('install','&nbsp;');
						$setup_tpl->set_var('remove','&nbsp;');
						$setup_tpl->set_var('upgrade','&nbsp;');
						$setup_tpl->set_var('resolution','<a href="applications.php?resolve=' . $value['name'] . '&post=True">' . lang('Possible Solutions') . '</a>');
						$status = lang('Post-install Dependency Failure') . ':' . $depstring . $value['status'];
						break;
					default:
						$setup_tpl->set_var('instimg','incomplete.png');
						$setup_tpl->set_var('instalt',lang('Not Completed'));
						$setup_tpl->set_var('install','&nbsp;');
						$setup_tpl->set_var('remove','&nbsp;');
						$setup_tpl->set_var('upgrade','&nbsp;');
						$setup_tpl->set_var('resolution','');
						$status = '';
						break;
				}
				//$setup_tpl->set_var('appname',$value['name'] . '-' . $status . ',' . $value['filename']);
				$setup_tpl->set_var('appinfo',$value['name'] . '-' . $status);
				$setup_tpl->set_var('appname',$value['name']);

				$setup_tpl->pparse('out','apps',True);
			}
		}

		$setup_tpl->set_var('submit',lang('Save'));
		$setup_tpl->set_var('cancel',lang('Cancel'));
		$setup_tpl->pparse('out','app_footer');
		$setup_tpl->pparse('out','footer');
		$GLOBALS['egw_setup']->html->show_footer();
	}
?>