<?php
pb_backupbuddy::load_script( 'jquery-ui-datepicker', true ); // WP core script.
pb_backupbuddy::load_script( 'jquery-ui-slider', true ); // WP core script.
pb_backupbuddy::load_script( 'timepicker.js' );

pb_backupbuddy::load_style( 'admin.css', false ); // Plugin-specific file.
pb_backupbuddy::load_style( 'jquery_smoothness.css', false ); // Plugin-specific file.
?>


<script type="text/javascript">
jQuery(document).ready(function(){
	
	// WP 3.2.1 does not like the datepicker and breaks other JS so we omit it if it failed to load properly.
	if (jQuery.isFunction(jQuery.fn.datepicker)) {
		jQuery( '#pb_backupbuddy_first_run' ).datetimepicker({
			ampm: true
		});
	}
	
	// Force datepicker date format. Some themes change the format on BB's page unfortunately.
	jQuery.datepicker.setDefaults({"dateFormat":"mm\/dd\/yy"});
});
</script>


<?php
backupbuddy_core::versions_confirm();
$date_format_example = 'mm/dd/yyyy hh:mm [am/pm]'; // Example date format for displaying to user.



/***** BEGIN SCHEDULE DELETION *****/
if ( pb_backupbuddy::_POST( 'bulk_action' ) == 'delete_schedule' ) {
	pb_backupbuddy::verify_nonce( pb_backupbuddy::_POST( '_wpnonce' ) ); // Security check to prevent unauthorized deletions by posting from a remote place.
	
	$deleted_schedules = array();
	foreach( pb_backupbuddy::_POST( 'items' ) as $id ) {
		$deleted_schedules[] = htmlentities( pb_backupbuddy::$options['schedules'][$id]['title'] );
		
		backupbuddy_api::deleteSchedule( $id, $confirm = true );
		
	} // end foreach.
	
	pb_backupbuddy::alert( __( 'Deleted schedule(s):', 'it-l10n-backupbuddy' ) . ' ' . implode( ', ', $deleted_schedules ) );
}
/***** END SCHEDULE DELETION *****/



/***** BEGIN MANUALLY RUNNING SCHEDULE *****/
if ( pb_backupbuddy::_GET( 'run' ) != '' ) {
	pb_backupbuddy::alert( 'Manually running scheduled backup "' . pb_backupbuddy::$options['schedules'][pb_backupbuddy::_GET( 'run' )]['title'] . '" in the background.' . '<br>' .
		__( 'Note: If there is no site activity there may be delays between steps in the backup. Access the site or use a 3rd party service, such as a free pinging service, to generate site activity.', 'it-l10n-backupbuddy' ) );
	pb_backupbuddy_cron::_run_scheduled_backup( (int)pb_backupbuddy::_GET( 'run' ) );
}
/***** END MANUALLY RUNNING SCHEDULE *****/



function bb_build_remote_destinations( $destinations_list ) {
	$remote_destinations = explode( '|', $destinations_list );
	$remote_destinations_html = '';
	foreach( $remote_destinations as $destination ) {
		if ( isset( $destination ) && ( $destination != '' ) ) {
			$remote_destinations_html .= '<li id="pb_remotedestination_' . $destination . '">';
			
			if ( ! isset( pb_backupbuddy::$options['remote_destinations'][$destination] ) ) {
				$remote_destinations_html .= '{destination no longer exists}';
			} else {
				$remote_destinations_html .= pb_backupbuddy::$options['remote_destinations'][$destination]['title'];
				$remote_destinations_html .= ' (' . backupbuddy_core::pretty_destination_type( pb_backupbuddy::$options['remote_destinations'][$destination]['type'] ) . ') ';
			}
			$remote_destinations_html .= '<img class="pb_remotedestionation_delete" src="' . pb_backupbuddy::plugin_url() . '/images/redminus.png" style="vertical-align: -3px; cursor: pointer;" title="' . __( 'Remove remote destination from this schedule.', 'it-l10n-backupbuddy' ) . '" />';
			$remote_destinations_html .= '</li>';
		}
	}
	$remote_destinations = '<ul id="pb_backupbuddy_remotedestinations_list">' . $remote_destinations_html . '</ul>';
	return $remote_destinations;
}

// EDIT existing schedule.
if ( pb_backupbuddy::_GET( 'edit' ) != '' ) {
	$mode = 'edit';
	$data['mode_title'] = __('Save Schedule', 'it-l10n-backupbuddy' );
	$savepoint = 'schedules#' . pb_backupbuddy::_GET( 'edit' );
	
	$next_run = wp_next_scheduled( 'backupbuddy_cron', array( 'run_scheduled_backup', array( (int)pb_backupbuddy::_GET( 'edit' ) ) ) );
	if ( ( ! is_numeric( $next_run ) ) || ( 0 == $next_run ) ) { // Unable to determine next runtime so just set to now.
		$next_run = time();
	}
	
	$first_run_value = date('m/d/Y h:i a', $next_run + ( get_option( 'gmt_offset' ) * 3600 ) ); // pb_backupbuddy::$options['schedules'][pb_backupbuddy::_GET( 'edit' )]['first_run']
	
	if ( '' != pb_backupbuddy::_POST( 'pb_backupbuddy_remote_destinations' ) ) {
		$destination_list = pb_backupbuddy::_POST( 'pb_backupbuddy_remote_destinations' );
	} else {
		$destination_list = pb_backupbuddy::$options['schedules'][pb_backupbuddy::_GET( 'edit' )]['remote_destinations'];
	}
	$remote_destinations = bb_build_remote_destinations( $destination_list );
} else { // ADD new schedule.
	$mode = 'add';
	$data['mode_title'] = __('Add New Schedule', 'it-l10n-backupbuddy' );
	$savepoint = false;
	
	$first_run_value = date('m/d/Y h:i a', time() + ( ( get_option( 'gmt_offset' ) * 3600 ) + 86400 ) );
	$remote_destinations = '<ul id="pb_backupbuddy_remotedestinations_list"></ul>';
}



$schedule_form = new pb_backupbuddy_settings( 'scheduling', $savepoint, 'edit=' . pb_backupbuddy::_GET( 'edit' ), 250 );

$schedule_form->add_setting( array(
	'type'		=>		'text',
	'name'		=>		'title',
	'title'		=>		'Schedule name',
	'tip'		=>		__('This is a name for your reference only.', 'it-l10n-backupbuddy' ),
	'rules'		=>		'required',
) );

$profile_list = array();
foreach( pb_backupbuddy::$options['profiles'] as $profile_id => $profile ) {
	if ( $profile_id == 0 ) { continue; } // default profile.
	if ( $profile['type'] == 'full' ) {
		$pretty_type = 'Full';
	} elseif ( $profile['type'] == 'db' ) {
		$pretty_type = 'Database Only';
		} elseif ( $profile['type'] == 'files' ) {
		$pretty_type = 'Files Only';
	} else {
		$pretty_type = 'Unknown';
	}
	$profile_list[ $profile_id ] = htmlentities( $profile['title'] ) . ' (' . $pretty_type . ')';
}
$schedule_form->add_setting( array(
	'type'		=>		'select',
	'name'		=>		'profile',
	'title'		=>		'Backup profile',
	'options'	=>		$profile_list,
	'tip'		=>		__( 'Full backups contain all files (except exclusions) and your database. Database only backups consist of an export of your mysql database; no WordPress files or media. Database backups are typically much smaller and faster to perform and are typically the most quickly changing part of a site.', 'it-l10n-backupbuddy' ),
	'rules'		=>		'required',
) );



if ( pb_backupbuddy::_GET( 'edit' ) != '' ) {
	$defaultInterval = null;
} else {
	$defaultInterval = 'daily';
}

$intervalArray = array();
$schedule_intervals = wp_get_schedules();
foreach( $schedule_intervals as $interval_tag => $schedule_interval ) {
	$intervalArray[ $schedule_interval['interval'] ] = array( $interval_tag, $schedule_interval['display'] );
}
ksort( $intervalArray );
$intervalArray = array_reverse( $intervalArray );
$intervals = array();
foreach( $intervalArray as $interval ) {
	$intervals[ $interval[0] ] = $interval[1];
}
unset( $intervalArray );

$schedule_form->add_setting( array(
	'type'		=>		'select',
	'name'		=>		'interval',
	'title'		=>		'Backup interval',
	'options'	=>		$intervals,
	'default'	=>		$defaultInterval,
	'tip'		=>		 __( 'Time period between backups.', 'it-l10n-backupbuddy' ),
	'rules'		=>		'required',
	'after'		=>		'&nbsp;&nbsp;&nbsp;<span class="pb_label">Tip</span> Unsure how often to schedule? Try starting with daily database-only and weekly full backups.',
) );



$schedule_form->add_setting( array(
	'type'		=>		'text',
	'name'		=>		'first_run',
	'title'		=>		'Date/time of next run',
	'tip'		=>		__( 'IMPORTANT: For scheduled events to occur someone (or you) must visit this site on or after the scheduled time. If no one visits your site for a long period of time some backup events may not be triggered.', 'it-l10n-backupbuddy' ),
	'rules'		=>		'required',
	'default'	=>		$first_run_value,
	'after'		=>		' ' . __('Currently', 'it-l10n-backupbuddy' ) . ' <code>' . date( 'm/d/Y h:i a ' . get_option( 'gmt_offset' ), time() + ( get_option( 'gmt_offset' ) * 3600 ) ) . ' UTC</code> ' . __('based on', 'it-l10n-backupbuddy' ) . ' <a href="' . admin_url( 'options-general.php' ) . '">' . __( 'WordPress settings', 'it-l10n-backupbuddy' ) . '</a>.',
) );
$schedule_form->add_setting( array(
	'type'		=>		'text',
	'name'		=>		'remote_destinations',
	'title'		=>		'Remote backup destination(s)',
	'rules'		=>		'',
	'css'		=>		'display: none;',
	'after'		=>		$remote_destinations . '<a href="' . pb_backupbuddy::ajax_url( 'destination_picker' ) . '&selecting=1&#038;TB_iframe=1&#038;width=640&#038;height=600" class="thickbox button secondary-button" style="margin-top: 3px;" title="' . __( 'Select a Destination', 'it-l10n-backupbuddy' ) . '">' . __('+ Add Remote Destination', 'it-l10n-backupbuddy' ) . '</a>',
) );
$schedule_form->add_setting( array(
	'type'		=>		'checkbox',
	'name'		=>		'delete_after',
	'title'		=>		'&nbsp;',
	'after'		=>		' '. __( 'Delete local backup file after remote send success', 'it-l10n-backupbuddy' ),
	'options'	=>		array( 'checked' => '1', 'unchecked' => '0' ),
	'rules'		=>		'',
) );
if ( pb_backupbuddy::_GET( 'edit' ) != '' ) {
	$defaultOnOff = null;
} else {
	$defaultOnOff = '1';
}
$schedule_form->add_setting( array(
	'type'		=>		'checkbox',
	'name'		=>		'on_off',
	'title'		=>		'Schedule enabled?',
	'options'	=>		array( 'checked' => '1', 'unchecked' => '0' ),
	'default'	=>		$defaultOnOff,
	'tip'		=>		__( '[Default: enabled] When disabled this schedule will be effectively turned off. This scheduled backup will not occur when disabled / off. You can re-enable schedules by editing them.', 'it-l10n-backupbuddy' ),
	'after'		=>		' ' . __( 'Enable schedule to run', 'it-l10n-backupbuddy' ),
) );



/***** BEGIN ADDING (or editing) SCHEDULE AND PROCESSING FORM *****/
$submitted_schedule = $schedule_form->process(); // Handles processing the submitted form (if applicable).

if ( ( $submitted_schedule != '' ) && ( count ( $submitted_schedule['errors'] ) == 0 ) ) {
	
	// ADD SCHEDULE.
	if ( pb_backupbuddy::_GET( 'edit' ) == '' ) { // ADD SCHEDULE.
		$error = false;
		
		// Don't allow 'delete file after send to destination' if no destination picked.
		if ( ( $submitted_schedule['data']['delete_after'] == '1' ) && ( '' == trim( $submitted_schedule['data']['remote_destinations'] ) ) ) {
			pb_backupbuddy::alert( 'Error: You have selected to delete backups after sending but did not specify any remote destinations. Click "Add Remote Destination" to select a destination.', true );
			$error = true;
		}
		
		if ( ( $submitted_schedule['data']['first_run'] == 0 ) || ( $submitted_schedule['data']['first_run'] == 18000 ) ) {
			pb_backupbuddy::alert( sprintf(__('Invalid time format. Please use the specified format / example %s', 'it-l10n-backupbuddy' ) , $date_format_example) );
			$error = true;
		}
		
		$remote_destinations = trim( $submitted_schedule['data']['remote_destinations'], '|' );
		$remote_destinations = explode( '|', $remote_destinations );
		if ( '1' == $submitted_schedule['data']['delete_after'] ) {
			$delete_after = true;
		} else {
			$delete_after = false;
		}
		
		if ( ! isset( $submitted_schedule['data']['on_off'] ) || (  '1' == $submitted_schedule['data']['on_off'] ) ) {
			$enabled = true;
		} else {
			$enabled = false;
		}
		
		if ( $error === false ) {
			
			$add_response = backupbuddy_api::addSchedule(
				$title = $submitted_schedule['data']['title'],
				$profile = $submitted_schedule['data']['profile'],
				$interval = $submitted_schedule['data']['interval'],
				$first_run = pb_backupbuddy::$format->unlocalize_time( strtotime( $submitted_schedule['data']['first_run'] ) ),
				$remote_destinations,
				$delete_after,
				$enabled
			);
				
			if ( true !== $add_response ) {
				pb_backupbuddy::alert( 'Error scheduling: ' . $add_response );
			} else { // Success
				pb_backupbuddy::save();
				$schedule_form->clear_values();
				$schedule_form->set_value( 'on_off', 1 );
				pb_backupbuddy::alert( 'Added new schedule `' . htmlentities( $submitted_schedule['data']['title'] ) . '`.' );
			}
		}
	} else { // EDIT SCHEDULE. Form handles saving; just need to update timestamp.
		$first_run = pb_backupbuddy::$format->unlocalize_time( strtotime( $submitted_schedule['data']['first_run'] ) );
		if ( ( $first_run == 0 ) || ( $first_run == 18000 ) ) {
			pb_backupbuddy::alert( sprintf(__('Invalid time format. Please use the specified format / example %s', 'it-l10n-backupbuddy' ) , $date_format_example) );
			$error = true;
		}
		
		pb_backupbuddy::$options['schedules'][pb_backupbuddy::_GET( 'edit' )]['first_run'] = $first_run;
		//echo 'first: ' . $first_run;
		
		$next_scheduled_time = wp_next_scheduled( 'backupbuddy_cron', array( 'run_scheduled_backup', array( (int)$_GET['edit'] ) ) );
		$result = backupbuddy_core::unschedule_event( $next_scheduled_time, 'backupbuddy_cron', array( 'run_scheduled_backup', array( (int)$_GET['edit'] ) ) ); // Remove old schedule. pb_backupbuddy::$options['schedules'][$_GET['edit']]['first_run']
		if ( $result === FALSE ) {
			pb_backupbuddy::alert( 'Error #589689. Unable to unschedule scheduled cron job with WordPress. Please see your BackupBuddy error log for details.' );
		}
		$result = backupbuddy_core::schedule_event( $first_run, $submitted_schedule['data']['interval'], 'run_scheduled_backup', array( (int)$_GET['edit'] ) ); // Add new schedule.
		if ( $result === FALSE ) {
			pb_backupbuddy::alert( 'Error scheduling event with WordPress. Your schedule may not work properly. Please try again. Error #3488439. Check your BackupBuddy error log for details.', true );
		}
		pb_backupbuddy::save();
		//pb_backupbuddy::alert( 'Edited schedule `' . htmlentities( $submitted_schedule['data']['title'] ) . '`.' );
		
		$editedSchedule = $submitted_schedule['data'];
		backupbuddy_core::addNotification( 'schedule_updated', 'Backup schedule updated', 'An existing schedule "' . $editedSchedule['title'] . '" has been updated.', $editedSchedule );
	}
	
} elseif ( count ( $submitted_schedule['errors'] ) > 0 ) {
	foreach( $submitted_schedule['errors'] as $error ) {
		pb_backupbuddy::alert( $error );
	}
}
$data['schedule_form'] = $schedule_form;
/***** END ADDING (or editing) SCHEDULE AND PROCESSING FORM *****/



// Validate that all internal schedules are properly registered in the WordPress cron.
require_once( pb_backupbuddy::plugin_path() . '/classes/housekeeping.php' );
backupbuddy_housekeeping::validate_bb_schedules_in_wp();



$schedules = array();
foreach ( pb_backupbuddy::$options['schedules'] as $schedule_id => $schedule ) {
	
	$profile = pb_backupbuddy::$options['profiles'][ (int)$schedule['profile'] ];
	
	$title = esc_html( $schedule['title'] );
	if ( $profile['type'] == 'full' ) {
		$type = 'Full';
	} elseif ( $profile['type'] == 'files' ) {
		$type = 'Files only';
	} elseif ( $profile['type'] == 'db' ) {
		$type = 'Database only';
	} else {
		$type = 'Unknown (' . $schedule['type'] . ')';
	}
	$type = $profile['title'] . ' (' . $type . ')';
	$interval = $schedule['interval'];
	
	if ( isset( $schedule['on_off'] ) && ( $schedule['on_off'] == '0' ) ) {
		$on_off = '<font color=red>Disabled</font>';
	} else {
		$on_off = 'Enabled';
	}
	
	$destinations = explode( '|', $schedule['remote_destinations'] );
	$destination_array = array();
	foreach( $destinations as &$destination ) {
		if ( isset( $destination ) && ( $destination != '' ) ) {
			if ( ! isset( pb_backupbuddy::$options['remote_destinations'][$destination] ) ) {
				pb_backupbuddy::alert( 'The schedule `' . $title . '` is set to send to a remote destination which no longer exists. Please edit it and remove the invalid destination.' );
				$destination_array[] = '{destination no longer exists}';
			} else {
				$destination_array[] = pb_backupbuddy::$options['remote_destinations'][$destination]['title'] . ' [' . backupbuddy_core::pretty_destination_type( pb_backupbuddy::$options['remote_destinations'][$destination]['type'] ) . ']';
			}
		}
	}
	
	$destinations = implode( ', ', $destination_array );
	
	if ( count( $destination_array ) > 0 ) {
		if ( $schedule['delete_after'] == '1' ) {
			$destinations .= '<br>' . '<span class="description">Delete local backup file after send</span>';
		} else {
			$destinations .= '<br>' . '<span class="description">Do not delete local backup file after send</span>';
		}
	} else {
		$destinations = '<span class="description">None</span>';
	}
	
	// Determine first run.
	$first_run = pb_backupbuddy::$format->date( pb_backupbuddy::$format->localize_time( $schedule['first_run'] ) );
	
	// Determine last run.
	if ( isset( $schedule['last_run'] ) ) { // backward compatibility before last run tracking added. Pre v2.2.11. Eventually remove this.
		if ( $schedule['last_run'] == 0 ) {
			$last_run = '<i>' . __( 'Never', 'it-l10n-backupbuddy' ) . '</i>';
		} else {
			$last_run = pb_backupbuddy::$format->date( pb_backupbuddy::$format->localize_time( $schedule['last_run'] ) );
		}
	} else { // backward compatibility for before last run tracking was added.
		$last_run = '<i> ' . __( 'Unknown', 'it-l10n-backupbuddy' ) . '</i>';
	}
	
	// Determine next run.
	$next_run = wp_next_scheduled( 'backupbuddy_cron', array( 'run_scheduled_backup', array( (int)$schedule_id ) ) );
	if ( false === $next_run ) {
		$next_run = '<font color=red>Error: Cron event not found</font>';
		pb_backupbuddy::alert( 'Error #874784. WordPress scheduled cron event not found. See "Next Run" time in the schedules list below for problem schedule. This may be caused by a conflicting plugin deleting the schedule or manual deletion. Try editing or deleting and re-creating the schedule.', true );
	} else {
		$next_run = pb_backupbuddy::$format->date( pb_backupbuddy::$format->localize_time( $next_run ) );
	}
	
	$run_time = 'First run: ' . $first_run . '<br>' .
		'Last run: ' . $last_run . '<br>' .
		'Next run: ' . $next_run;
	
	$schedules[$schedule_id] = array(
		$title,
		$type,
		$interval,
		$destinations,
		$run_time,
		$on_off,
	);
	
} // End foreach.
$data['schedules'] = $schedules;



// Load view.
pb_backupbuddy::load_view( 'scheduling', $data );

