<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004 Ian Berry                                            |
 |                                                                         |
 | 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.                  |
 |                                                                         |
 | This program is distributed in the hope that it will be useful,         |
 | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
 | GNU General Public License for more details.                            |
 +-------------------------------------------------------------------------+
 | cacti: a php-based graphing solution                                    |
 +-------------------------------------------------------------------------+
 | Most of this code has been designed, written and is maintained by       |
 | Ian Berry. See about.php for specific developer credit. Any questions   |
 | or comments regarding this code should be directed to:                  |
 | - iberry@raxnet.net                                                     |
 +-------------------------------------------------------------------------+
 | - raXnet - http://www.raxnet.net/                                       |
 +-------------------------------------------------------------------------+
*/

include("./include/auth.php");
include_once("./lib/utility.php");
include_once("./lib/template.php");
include_once("./lib/tree.php");
include_once("./lib/html_tree.php");

define("MAX_DISPLAY_PAGES", 21);

$graph_actions = array(
	1 => "Delete",
	2 => "Duplicate"
	);

/* set default action */
if (!isset($_REQUEST["action"])) { $_REQUEST["action"] = ""; }

switch ($_REQUEST["action"]) {
	case 'save':
		form_save();

		break;
	case 'actions':
		form_actions();

		break;
	case 'template_remove':
		template_remove();

		header("Location: graph_templates.php");
		break;
	case 'input_remove':
		input_remove();

		header("Location: graph_templates.php?action=template_edit&id=" . $_GET["graph_template_id"]);
		break;
	case 'input_edit':
		include_once("./include/top_header.php");

		input_edit();

		include_once("./include/bottom_footer.php");
		break;
	case 'template_edit':
		include_once ("./include/top_header.php");

		template_edit();

		include_once ("./include/bottom_footer.php");
		break;
	default:
		include_once("./include/top_header.php");

		template();

		include_once("./include/bottom_footer.php");
		break;
}

/* --------------------------
    The Save Function
   -------------------------- */

function form_save() {
	if (isset($_POST["save_component_template"])) {
		$save1["id"] = $_POST["graph_template_id"];
		$save1["hash"] = get_hash_graph_template($_POST["graph_template_id"]);
		$save1["name"] = form_input_validate($_POST["name"], "name", "", false, 3);

		$save2["id"] = $_POST["graph_template_graph_id"];
		$save2["local_graph_template_graph_id"] = 0;
		$save2["local_graph_id"] = 0;
		$save2["t_image_format_id"] = (isset($_POST["t_image_format_id"]) ? $_POST["t_image_format_id"] : "");
		$save2["image_format_id"] = form_input_validate($_POST["image_format_id"], "image_format_id", "", true, 3);
		$save2["t_title"] = form_input_validate((isset($_POST["t_title"]) ? $_POST["t_title"] : ""), "t_title", "", true, 3);
		$save2["title"] = form_input_validate($_POST["title"], "title", "", (isset($_POST["t_title"]) ? true : false), 3);
		$save2["t_height"] = form_input_validate((isset($_POST["t_height"]) ? $_POST["t_height"] : ""), "t_height", "", true, 3);
		$save2["height"] = form_input_validate($_POST["height"], "height", "^[0-9]+$", (isset($_POST["t_height"]) ? true : false), 3);
		$save2["t_width"] = form_input_validate((isset($_POST["t_width"]) ? $_POST["t_width"] : ""), "t_width", "", true, 3);
		$save2["width"] = form_input_validate($_POST["width"], "width", "^[0-9]+$", (isset($_POST["t_width"]) ? true : false), 3);
		$save2["t_upper_limit"] = form_input_validate((isset($_POST["t_upper_limit"]) ? $_POST["t_upper_limit"] : ""), "t_upper_limit", "", true, 3);
		$save2["upper_limit"] = form_input_validate($_POST["upper_limit"], "upper_limit", "^(-?([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)([eE][+\-]?[0-9]+)?)|U$", (isset($_POST["t_upper_limit"]) ? true : false), 3);
		$save2["t_lower_limit"] = form_input_validate((isset($_POST["t_lower_limit"]) ? $_POST["t_lower_limit"] : ""), "t_lower_limit", "", true, 3);
		$save2["lower_limit"] = form_input_validate($_POST["lower_limit"], "lower_limit", "^(-?([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)([eE][+\-]?[0-9]+)?)|U$", (isset($_POST["t_lower_limit"]) ? true : false), 3);
		$save2["t_vertical_label"] = form_input_validate((isset($_POST["t_vertical_label"]) ? $_POST["t_vertical_label"] : ""), "t_vertical_label", "", true, 3);
		$save2["vertical_label"] = form_input_validate($_POST["vertical_label"], "vertical_label", "", true, 3);
		$save2["t_auto_scale"] = form_input_validate((isset($_POST["t_auto_scale"]) ? $_POST["t_auto_scale"] : ""), "t_auto_scale", "", true, 3);
		$save2["auto_scale"] = form_input_validate((isset($_POST["auto_scale"]) ? $_POST["auto_scale"] : ""), "auto_scale", "", true, 3);
		$save2["t_auto_scale_opts"] = form_input_validate((isset($_POST["t_auto_scale_opts"]) ? $_POST["t_auto_scale_opts"] : ""), "t_auto_scale_opts", "", true, 3);
		$save2["auto_scale_opts"] = form_input_validate($_POST["auto_scale_opts"], "auto_scale_opts", "", true, 3);
		$save2["t_auto_scale_log"] = form_input_validate((isset($_POST["t_auto_scale_log"]) ? $_POST["t_auto_scale_log"] : ""), "t_auto_scale_log", "", true, 3);
		$save2["auto_scale_log"] = form_input_validate((isset($_POST["auto_scale_log"]) ? $_POST["auto_scale_log"] : ""), "auto_scale_log", "", true, 3);
		$save2["t_auto_scale_rigid"] = form_input_validate((isset($_POST["t_auto_scale_rigid"]) ? $_POST["t_auto_scale_rigid"] : ""), "t_auto_scale_rigid", "", true, 3);
		$save2["auto_scale_rigid"] = form_input_validate((isset($_POST["auto_scale_rigid"]) ? $_POST["auto_scale_rigid"] : ""), "auto_scale_rigid", "", true, 3);
		$save2["t_auto_padding"] = form_input_validate((isset($_POST["t_auto_padding"]) ? $_POST["t_auto_padding"] : ""), "t_auto_padding", "", true, 3);
		$save2["auto_padding"] = form_input_validate((isset($_POST["auto_padding"]) ? $_POST["auto_padding"] : ""), "auto_padding", "", true, 3);
		$save2["t_base_value"] = form_input_validate((isset($_POST["t_base_value"]) ? $_POST["t_base_value"] : ""), "t_base_value", "", true, 3);
		$save2["base_value"] = form_input_validate($_POST["base_value"], "base_value", "^[0-9]+$", (isset($_POST["t_base_value"]) ? true : false), 3);
		$save2["t_export"] = form_input_validate((isset($_POST["t_export"]) ? $_POST["t_export"] : ""), "t_export", "", true, 3);
		$save2["export"] = form_input_validate((isset($_POST["export"]) ? $_POST["export"] : ""), "export", "", true, 3);
		$save2["t_unit_value"] = form_input_validate((isset($_POST["t_unit_value"]) ? $_POST["t_unit_value"] : ""), "t_unit_value", "", true, 3);
		$save2["unit_value"] = form_input_validate($_POST["unit_value"], "unit_value", "", true, 3);
		$save2["t_unit_exponent_value"] = form_input_validate((isset($_POST["t_unit_exponent_value"]) ? $_POST["t_unit_exponent_value"] : ""), "t_unit_exponent_value", "", true, 3);
		$save2["unit_exponent_value"] = form_input_validate($_POST["unit_exponent_value"], "unit_exponent_value", "^-?[0-9]+$", true, 3);

		if (!is_error_message()) {
			$graph_template_id = sql_save($save1, "graph_templates");

			if ($graph_template_id) {
				raise_message(1);
			}else{
				raise_message(2);
			}
		}

		if (!is_error_message()) {
			$save2["graph_template_id"] = $graph_template_id;
			$graph_template_graph_id = sql_save($save2, "graph_templates_graph");

			if ($graph_template_graph_id) {
				raise_message(1);

				push_out_graph($graph_template_graph_id);
			}else{
				raise_message(2);
			}
		}
	}

	if ((is_error_message()) || (empty($_POST["graph_template_id"]))) {
		header("Location: graph_templates.php?action=template_edit&id=" . (empty($graph_template_id) ? $_POST["graph_template_id"] : $graph_template_id));
	}else{
		header("Location: graph_templates.php");
	}
}

/* ------------------------
    The "actions" function
   ------------------------ */

function form_actions() {
	global $colors, $graph_actions;

	/* if we are to save this form, instead of display it */
	if (isset($_POST["selected_items"])) {
		$selected_items = unserialize(stripslashes($_POST["selected_items"]));

		if ($_POST["drp_action"] == "1") { /* delete */
			db_execute("delete from graph_templates where " . array_to_sql_or($selected_items, "id"));

			$graph_template_input = db_fetch_assoc("select id from graph_template_input where " . array_to_sql_or($selected_items, "graph_template_id"));

			if (sizeof($graph_template_input) > 0) {
			foreach ($graph_template_input as $item) {
				db_execute("delete from graph_template_input_defs where graph_template_input_id=" . $item["id"]);
			}
			}

			db_execute("delete from graph_template_input where " . array_to_sql_or($selected_items, "graph_template_id"));
			db_execute("delete from graph_templates_graph where " . array_to_sql_or($selected_items, "graph_template_id") . " and local_graph_id=0");
			db_execute("delete from graph_templates_item where " . array_to_sql_or($selected_items, "graph_template_id") . " and local_graph_id=0");
			db_execute("delete from host_template_graph where " . array_to_sql_or($selected_items, "graph_template_id"));

			/* "undo" any graph that is currently using this template */
			db_execute("update graph_templates_graph set local_graph_template_graph_id=0,graph_template_id=0 where " . array_to_sql_or($selected_items, "graph_template_id"));
			db_execute("update graph_templates_item set local_graph_template_item_id=0,graph_template_id=0 where " . array_to_sql_or($selected_items, "graph_template_id"));
			db_execute("update graph_local set graph_template_id=0 where " . array_to_sql_or($selected_items, "graph_template_id"));
		}elseif ($_POST["drp_action"] == "2") { /* duplicate */
			for ($i=0;($i<count($selected_items));$i++) {
				/* ================= input validation ================= */
				input_validate_input_number($selected_items[$i]);
				/* ==================================================== */

				duplicate_graph(0, $selected_items[$i], $_POST["title_format"]);
			}
		}

		header("Location: graph_templates.php");
		exit;
	}

	/* setup some variables */
	$graph_list = ""; $i = 0;

	/* loop through each of the graphs selected on the previous page and get more info about them */
	while (list($var,$val) = each($_POST)) {
		if (ereg("^chk_([0-9]+)$", $var, $matches)) {
			/* ================= input validation ================= */
			input_validate_input_number($matches[1]);
			/* ==================================================== */

			$graph_list .= "<li>" . db_fetch_cell("select name from graph_templates where id=" . $matches[1]) . "<br>";
			$graph_array[$i] = $matches[1];
		}

		$i++;
	}

	include_once("./include/top_header.php");

	html_start_box("<strong>" . $graph_actions{$_POST["drp_action"]} . "</strong>", "60%", $colors["header_panel"], "3", "center", "");

	print "<form action='graph_templates.php' method='post'>\n";

	if ($_POST["drp_action"] == "1") { /* delete */
		print "	<tr>
				<td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
					<p>Are you sure you want to delete the following graph templates? Any graphs attached
					to these templates will become individual graphs.</p>
					<p>$graph_list</p>
				</td>
			</tr>\n
			";
	}elseif ($_POST["drp_action"] == "2") { /* duplicate */
		print "	<tr>
				<td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
					<p>When you click save, the following graph templates will be duplicated. You can
					optionally change the title format for the new graph templates.</p>
					<p>$graph_list</p>
					<p><strong>Title Format:</strong><br>"; form_text_box("title_format", "<template_title> (1)", "", "255", "30", "text"); print "</p>
				</td>
			</tr>\n
			";
	}

	if (!isset($graph_array)) {
		print "<tr><td bgcolor='#" . $colors["form_alternate1"]. "'><span class='textError'>You must select at least one graph template.</span></td></tr>\n";
		$save_html = "";
	}else{
		$save_html = "<input type='image' src='images/button_yes.gif' alt='Save' align='absmiddle'>";
	}

	print "	<tr>
			<td align='right' bgcolor='#eaeaea'>
				<input type='hidden' name='action' value='actions'>
				<input type='hidden' name='selected_items' value='" . (isset($graph_array) ? serialize($graph_array) : '') . "'>
				<input type='hidden' name='drp_action' value='" . $_POST["drp_action"] . "'>
				<a href='graph_templates.php'><img src='images/button_no.gif' alt='Cancel' align='absmiddle' border='0'></a>
				$save_html
			</td>
		</tr>
		";

	html_end_box();

	include_once("./include/bottom_footer.php");
}

function item() {
	global $colors, $consolidation_functions, $graph_item_types;

	/* ================= input validation ================= */
	input_validate_input_number(get_request_var("id"));
	/* ==================================================== */

	if (empty($_GET["id"])) {
		$template_item_list = array();

		$header_label = "[new]";
	}else{
		$template_item_list = db_fetch_assoc("select
			graph_templates_item.id,
			graph_templates_item.text_format,
			graph_templates_item.value,
			graph_templates_item.hard_return,
			graph_templates_item.graph_type_id,
			graph_templates_item.consolidation_function_id,
			CONCAT_WS(' - ',data_template_data.name,data_template_rrd.data_source_name) as data_source_name,
			cdef.name as cdef_name,
			colors.hex
			from graph_templates_item
			left join data_template_rrd on (graph_templates_item.task_item_id=data_template_rrd.id)
			left join data_local on (data_template_rrd.local_data_id=data_local.id)
			left join data_template_data on (data_local.id=data_template_data.local_data_id)
			left join cdef on (cdef_id=cdef.id)
			left join colors on (color_id=colors.id)
			where graph_templates_item.graph_template_id=" . $_GET["id"] . "
			and graph_templates_item.local_graph_id=0
			order by graph_templates_item.sequence");

		$header_label = "[edit: " . db_fetch_cell("select name from graph_templates where id=" . $_GET["id"]) . "]";
	}

	html_start_box("<strong>Graph Template Items</strong> $header_label", "98%", $colors["header"], "3", "center", "graph_templates_items.php?action=item_edit&graph_template_id=" . $_GET["id"]);
	draw_graph_items_list($template_item_list, "graph_templates_items.php", "graph_template_id=" . $_GET["id"], false);
	html_end_box();

	html_start_box("<strong>Graph Item Inputs</strong>", "98%", $colors["header"], "3", "center", "graph_templates_inputs.php?action=input_edit&graph_template_id=" . $_GET["id"]);

	print "<tr bgcolor='#" . $colors["header_panel"] . "'>";
		DrawMatrixHeaderItem("Name",$colors["header_text"],2);
	print "</tr>";

	$template_item_list = db_fetch_assoc("select id,name from graph_template_input where graph_template_id=" . $_GET["id"] . " order by name");

	$i = 0;
	if (sizeof($template_item_list) > 0) {
	foreach ($template_item_list as $item) {
		form_alternate_row_color($colors["alternate"],$colors["light"],$i);
	?>
			<td>
				<a class="linkEditMain" href="graph_templates_inputs.php?action=input_edit&id=<?php print $item["id"];?>&graph_template_id=<?php print $_GET["id"];?>"><?php print $item["name"];?></a>
			</td>
			<td align="right">
				<a href="graph_templates_inputs.php?action=input_remove&id=<?php print $item["id"];?>&graph_template_id=<?php print $_GET["id"];?>"><img src="images/delete_icon.gif" width="10" height="10" border="0" alt="Delete"></a>
			</td>
		</tr>
	<?php
	$i++;
	}
	}else{
		print "<tr bgcolor='#" . $colors["form_alternate2"] . "'><td colspan='2'><em>No Inputs</em></td></tr>";
	}

	html_end_box();
}

/* ----------------------------
    template - Graph Templates
   ---------------------------- */

function template_edit() {
	global $colors, $struct_graph, $image_types, $fields_graph_template_template_edit;

	/* ================= input validation ================= */
	input_validate_input_number(get_request_var("id"));
	/* ==================================================== */

	/* graph item list goes here */
	if (!empty($_GET["id"])) {
		item();
	}

	if (!empty($_GET["id"])) {
		$template = db_fetch_row("select * from graph_templates where id=" . $_GET["id"]);
		$template_graph = db_fetch_row("select * from graph_templates_graph where graph_template_id=" . $_GET["id"] . " and local_graph_id=0");

		$header_label = "[edit: " . $template["name"] . "]";
	}else{
		$header_label = "[new]";
	}

	html_start_box("<strong>Template</strong> $header_label", "98%", $colors["header"], "3", "center", "");

	draw_edit_form(array(
		"config" => array(),
		"fields" => inject_form_variables($fields_graph_template_template_edit, (isset($template) ? $template : array()), (isset($template_graph) ? $template_graph : array()))
		));

	html_end_box();

	html_start_box("<strong>Graph Template</strong>", "98%", $colors["header"], "3", "center", "");

	$form_array = array();

	while (list($field_name, $field_array) = each($struct_graph)) {
		$form_array += array($field_name => $struct_graph[$field_name]);

		$form_array[$field_name]["value"] = (isset($template_graph) ? $template_graph[$field_name] : "");
		$form_array[$field_name]["form_id"] = (isset($template_graph) ? $template_graph["id"] : "0");
		$form_array[$field_name]["description"] = "";
		$form_array[$field_name]["sub_checkbox"] = array(
			"name" => "t_" . $field_name,
			"friendly_name" => "Use Per-Graph Value (Ignore this Value)",
			"value" => (isset($template_graph) ? $template_graph{"t_" . $field_name} : "")
			);
	}

	draw_edit_form(
		array(
			"config" => array(
				),
			"fields" => $form_array
			)
		);

	html_end_box();

	form_save_button("graph_templates.php");
}

function template() {
	global $colors, $graph_actions;

	/* ================= input validation ================= */
	input_validate_input_number(get_request_var_request("page"));
	/* ==================================================== */

	/* clean up search string */
	if (isset($_REQUEST["filter"])) {
		$_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
	}

	/* clean up sort_column string */
	if (isset($_REQUEST["sort_column"])) {
		$_REQUEST["sort_column"] = sanitize_search_string(get_request_var("sort_column"));
	}

	/* clean up sort_direction string */
	if (isset($_REQUEST["sort_direction"])) {
		$_REQUEST["sort_direction"] = sanitize_search_string(get_request_var("sort_direction"));
	}

	/* if the user pushed the 'clear' button */
	if (isset($_REQUEST["clear_x"])) {
		kill_session_var("sess_graph_template_current_page");
		kill_session_var("sess_graph_template_filter");
		kill_session_var("sess_graph_template_sort_column");
		kill_session_var("sess_graph_template_sort_direction");

		unset($_REQUEST["page"]);
		unset($_REQUEST["filter"]);
		unset($_REQUEST["sort_column"]);
		unset($_REQUEST["sort_direction"]);

	}

	/* remember these search fields in session vars so we don't have to keep passing them around */
	load_current_session_value("page", "sess_graph_template_current_page", "1");
	load_current_session_value("filter", "sess_graph_template_filter", "");
	load_current_session_value("sort_column", "sess_graph_template_sort_column", "name");
	load_current_session_value("sort_direction", "sess_graph_template_sort_direction", "ASC");

	html_start_box("<strong>Graph Templates</strong>", "98%", $colors["header"], "3", "center", "graph_templates.php?action=template_edit");

	include("./include/html/inc_graph_template_filter_table.php");

	html_end_box();

	/* form the 'where' clause for our main sql query */
	$sql_where = "WHERE (graph_templates.name LIKE '%%" . $_REQUEST["filter"] . "%%')";

	html_start_box("", "98%", $colors["header"], "3", "center", "");

	$total_rows = db_fetch_cell("SELECT
		COUNT(graph_templates.id)
		FROM graph_templates
		$sql_where");

	$template_list = db_fetch_assoc("SELECT
		graph_templates.id,graph_templates.name
		FROM graph_templates
		$sql_where
		ORDER BY " . $_REQUEST['sort_column'] . " " . $_REQUEST['sort_direction'] .
		" LIMIT " . (read_config_option("num_rows_device")*($_REQUEST["page"]-1)) . "," . read_config_option("num_rows_device"));

	/* generate page list */
	$url_page_select = get_page_list($_REQUEST["page"], MAX_DISPLAY_PAGES, read_config_option("num_rows_device"), $total_rows, "graph_templates.php?filter=" . $_REQUEST["filter"]);

	$nav = "<tr bgcolor='#" . $colors["header"] . "'>
		<td colspan='7'>
			<table width='100%' cellspacing='0' cellpadding='0' border='0'>
				<tr>
					<td align='left' class='textHeaderDark'>
						<strong>&lt;&lt; "; if ($_REQUEST["page"] > 1) { $nav .= "<a class='linkOverDark' href='graph_templates.php?filter=" . $_REQUEST["filter"] . "&page=" . ($_REQUEST["page"]-1) . "'>"; } $nav .= "Previous"; if ($_REQUEST["page"] > 1) { $nav .= "</a>"; } $nav .= "</strong>
					</td>\n
					<td align='center' class='textHeaderDark'>
						Showing Rows " . ((read_config_option("num_rows_device")*($_REQUEST["page"]-1))+1) . " to " . ((($total_rows < read_config_option("num_rows_device")) || ($total_rows < (read_config_option("num_rows_device")*$_REQUEST["page"]))) ? $total_rows : (read_config_option("num_rows_device")*$_REQUEST["page"])) . " of $total_rows [$url_page_select]
					</td>\n
					<td align='right' class='textHeaderDark'>
						<strong>"; if (($_REQUEST["page"] * read_config_option("num_rows_device")) < $total_rows) { $nav .= "<a class='linkOverDark' href='graph_templates.php?filter=" . $_REQUEST["filter"] . "&page=" . ($_REQUEST["page"]+1) . "'>"; } $nav .= "Next"; if (($_REQUEST["page"] * read_config_option("num_rows_device")) < $total_rows) { $nav .= "</a>"; } $nav .= " &gt;&gt;</strong>
					</td>\n
				</tr>
			</table>
		</td>
		</tr>\n";

	print $nav;

	$display_text = array(
		"name" => array("Template Title", "ASC"));

	html_header_sort_checkbox($display_text, $_REQUEST["sort_column"], $_REQUEST["sort_direction"]);

	$i = 0;
	if (sizeof($template_list) > 0) {
		foreach ($template_list as $template) {
			form_alternate_row_color($colors["alternate"],$colors["light"],$i);
				?>
			<td>
				<a class="linkEditMain" href="graph_templates.php?action=template_edit&id=<?php print $template["id"];?>"><?php print eregi_replace("(" . preg_quote($_REQUEST["filter"]) . ")", "<span style='background-color: #F8D93D;'>\\1</span>", $template["name"]);?></a>
			</td>
			<td style="<?php print get_checkbox_style();?>" width="1%" align="right">
				<input type='checkbox' style='margin: 0px;' name='chk_<?php print $template["id"];?>' title="<?php print $template["name"];?>">
			</td>
			</tr>
			<?php
			$i++;
		}
		/* put the nav bar on the bottom as well */
		print $nav;
	}else{
		print "<tr><td><em>No Graph Templates</em></td></tr>\n";
	}
	html_end_box(false);

	/* draw the dropdown containing a list of available actions for this form */
	draw_actions_dropdown($graph_actions);

	print "</form>\n";
}

?>
