<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

function wikiplugin_trackertoggle_info()
{
    return [
        'name' => tra('Tracker Toggle'),
        'documentation' => 'PluginTrackerToggle',
        'description' => tra("Adjust the visibility of content based on a tracker field's value, possibly dynamically"),
        'iconname' => 'trackers',
        'introduced' => 7,
        'prefs' => ['wikiplugin_trackertoggle', 'feature_jquery', 'feature_trackers'],
        'params' => [
            'fieldId' => [
                'required' => true,
                'name' => tra('Field ID'),
                'description' => tra('Numeric value representing the field ID tested.'),
                'since' => '7.0',
                'filter' => 'digits',
                'profile_reference' => 'tracker_field',
            ],
            'value' => [
                'required' => true,
                'name' => tra('Value'),
                'description' => tra('Value to compare against.'),
                'since' => '7.0',
                'filter' => 'text',
            ],
            'visible' => [
                'required' => false,
                'name' => tra('Element Visibility'),
                'description' => tra('Set whether visible when the field has the value.'),
                'since' => '7.0',
                'filter' => 'alpha',
                'default' => 'n',
                'options' => [
                    ['text' => '', 'value' => ''],
                    ['text' => tra('Yes'), 'value' => 'y'],
                    ['text' => tra('No'), 'value' => 'n']
                ]
            ],
            'id' => [
                'required' => true,
                'name' => tra('ID'),
                'description' => tra('HTML id of the element that is toggled'),
                'since' => '7.0',
                'filter' => 'text',
            ],
            'itemId' => [
                'required' => false,
                'name' => tra('Item ID'),
                'description' => tra('Use the field of specific item. The URL param itemId is used if this parameter
                    is not set.'),
                'since' => '7.0',
                'filter' => 'digits',
                'default' => 0,
                'profile_reference' => 'tracker_item',
            ],
        ],
    ];
}

function wikiplugin_trackertoggle($data, $params)
{
    $default = ['visible' => 'n'];
    $params = array_merge($default, $params);
    extract($params, EXTR_SKIP);

    if (empty($fieldId)) {
        Feedback::error(tr('trackertoggle: Param fieldId is required.'));
    }
    $field = TikiLib::lib('trk')->get_tracker_field($fieldId);
    if (empty($field)) {
        Feedback::error(tr('trackertoggle: Param fieldId field %0 does not exsist.', $fieldId));
    }

    if (! isset($value)) {
        Feedback::error(tr('trackertoggle: Param value is required'));
    }
    if (empty($id)) {
        Feedback::error(tr('trackertoggle: Param id is required'));
    }

    if (empty($itemId) && ! empty($_REQUEST['itemId'])) {
        $itemId = $_REQUEST['itemId'];
    }

    $action = $visible == 'y' ? 'show' : 'hide';
    $anti = $visible == 'y' ? 'hide' : 'show';
    if (! empty($itemId)) {
        $fieldValue = TikiLib::lib('trk')->get_item_value(0, $itemId, $fieldId);
        if ($fieldValue === $value) {
            $jq = "\$('#$id').$action();";
        } else {
            $jq = "\$('#$id').$anti();";
        }
    } else {
        $htmlFieldName = "ins_$fieldId";

        $htmltype = $field['type'] == 'a' ? 'textarea' : 'input';
        $extension = '';
        $trigger = 'keyup';
        if (! is_numeric($value) && ! preg_match('/^[\'"].*[\'"]$/', $value)) {
            $value = "'$value'";        // add quotes if not already quoted and not a number
        }
        switch ($field['type']) {
            case 'c':
                $extension = ':checked';
                $value = $value == 'y' ? 'undefined' : "'on'";
                $trigger = 'change';
                break;
            case 'a':
                $htmltype = 'textarea';
                break;
            case 'd':
            case 'D':
            case 'w':
            case 'g':
            case 'u':
                $htmltype = 'select';
                $trigger = 'change';
                break;
            case 'R':
                $extension = ':checked';
                $htmltype = 'input';
                $trigger = 'change';
                break;
            case 'e':                   // category - NB needs categId not categName to match
                if ($field['options_array'][1] == 'd') {
                    $htmltype = 'select';
                    $trigger = 'change';
                    $htmlFieldName = "\"{$htmlFieldName}[]\"";
                }
                break;
            default:
        }
        $jq = "if (\$('" . $htmltype . "[name=$htmlFieldName]$extension').val() == $value) {\$('#$id').$action();} else {\$('#$id').$anti();}";
        $jq = "\$('" . $htmltype . "[name=$htmlFieldName]').$trigger(function () { $jq }).trigger('$trigger');";
    }

    TikiLib::lib('header')->add_jq_onready($jq);
}