<?php

require_once('code/tasks.php');

$GLOBALS['tasks_form_recipient'] = "fixme@example.com";

define('TASKS_DB_FIELDS', 'title,url,description,state');


require_once('code/wfpl/template.php');
require_once('code/wfpl/format.php');
require_once('code/wfpl/messages.php');
require_once('code/wfpl/email.php');
require_once('code/db_connect.php');

# replace every character in $str with "&nbsp;"
function tonbsp($matches) {
	return str_repeat('&nbsp;', strlen($matches[0]) * 2);
}

# encode as html, make it display newlines and leading spaces
function enc_htmlbrtab($str) {
	$str = enc_htmlbr($str);
	$str = preg_replace_callback("|^ *|m", tonbsp, $str);
	return $str;
}

function tasks_get_fields() {
	$title = format_oneline($_REQUEST['title']);
	$url = format_oneline($_REQUEST['url']);
	$description = format_unix($_REQUEST['description']);

	tasks_tem_sets($title, $url, $description);

	return array($title, $url, $description);
}

function tasks_tem_sets($title, $url, $description) {
	tem_set('title', $title);
	tem_set('url', $url);
	tem_set('description', $description);
}

function tasks_main() {
	if(!logged_in()) {
		$GLOBALS['url'] = this_url();
		return 'login';
	}

	if(isset($_REQUEST['tasks_id'])) {
		$ret = tasks_display_main();
		if($ret) {
			return $ret;
		}
		tem_show('display_body');
	} else {
		$ret = tasks_edit_main();
		if($ret) {
			return $ret;
		}
		tem_show('edit_body');
	}

	tem_show('main_body');
}

function tasks_display_main() {
	$task_id = format_int($_REQUEST['tasks_id']);;
	$row = db_get_row('tasks', 'title,url,description,state', 'where id=%i', $task_id);
	if($row) {
		list($title, $url, $description, $state) = $row;
		tem_set('task_id', $task_id);
		tem_set('title', $title);
		tem_set('url', $url);
		tem_set('description', $description);
		tem_set('state', task_state_pretty($state));
		if($state == TASK_BUG) {
			tem_show('bug_title');
		} else {
			tem_show('normal_title');
		}
	} else {
		message("Task #$task_id not found");
		return './';
	}
}

function tasks_edit_main() {
	$state = TASK_DRAFT; # will be overwritten
	$edit_id = format_int($_REQUEST['tasks_edit_id']);
	unset($_REQUEST['tasks_edit_id']);
	if($edit_id) {
		# add hidden field for database id of row we're editing
		tem_set('tasks_edit_id', $edit_id);
		tem_show('editing');

		$state = db_get_value('tasks', 'state', 'where id=%i', $edit_id);
	}

	if(isset($_REQUEST['tasks_new_bug'])) {
		tem_show('bug_submit');
		$state = TASK_BUG;
	} else {
		tem_show('normal_submits');
	}

	if($state == TASK_BUG) {
		tem_show('bug_instructions');
	} else {
		tem_show('normal_instructions');
	}

	$delete_id = format_int($_REQUEST['tasks_delete_id']);
	unset($_REQUEST['tasks_delete_id']);
	if($delete_id) {
		db_delete('tasks', 'where id=%i', $delete_id);
		message('Task deleted.');

		return './tasks.html';
	}

	if(isset($_REQUEST['title'])) {
		list($title, $url, $description) = tasks_get_fields();

		# FIXME
		if(isset($_REQUEST['save_draft'])) {
			$state = TASK_DRAFT;
		} elseif(isset($_REQUEST['save_bug'])) {
			$state = TASK_BUG;
		} else {
			$state = TASK_NEEDS_QUOTE;
		}

		if("you're happy with the POSTed values") {
			if($edit_id) {
				db_update('tasks', 'title,url,description,state', $title, $url, $description, $state, 'where id=%i', $edit_id);
				message('Task updated.');
			} else {
				# new task
				$paid = 0;
				$client_id = 4; # FIXME
				db_insert('tasks', 'client_id,title,url,description,state,paid', $client_id, $title, $url, $description, $state, $paid);
				message('Task saved.');
			}
			if($GLOBALS['tasks_form_recipient'] != "fixme@example.com") {
				$to = $GLOBALS['tasks_form_recipient'];
				$from = $to;
				$reply_to = '';
				if(isset($_REQUEST['email']) and valid_email($_REQUEST['email'])) {
					$reply_to = $_REQUEST['email'];
					if($_REQUEST['name'] and ereg('^[a-zA-Z0-9_\' -]*$', $_REQUEST['name']) !== false) {
						$reply_to = "$_REQUEST[name] <$reply_to>";
					}
				}
				$subject = 'tasks form submitted';
				$message = tem_run('tasks.email.txt');
				$cc = '';
				$bcc = '';
				if(email($from, $to, $subject, $message, $reply_to, $cc, $bcc)) {
					message('Due to an internal error, your message could not be sent. Please try again later.');
					$error = true;
				}
			}
			if($error !== true) {
				return './';
			}
		}
		# otherwise, we display the form again. tasks_get_fields() has
		# already put the posted values back into the template engine, so they will
		# show up in the form fields. You should add some message asking people to
		# fix their entry in whatever way you require.
	} elseif($edit_id) {
		# we've recieved an edit id, but no data. So we grab the values to be edited from the database
		list($client_id, $ord, $title, $url, $description, $state, $paid) = db_get_row('tasks', TASKS_DB_FIELDS, 'where id=%i', $edit_id);
		tasks_tem_sets($client_id, $ord, $title, $url, $description, $state, $paid);
	} else {
		# form not submitted, you can set default values like so:
		#tem_set('client_id', 'Yes');
	}

	# this has to be later in the file because it requres that client_id be set already
	if($edit_id) {
		tem_show('edit_msg');
	} elseif($state == TASK_BUG) {
		tem_show('bug_msg');
	} else {
		tem_show('new_msg');
	}
}

?>