/**
 * @package    Joomla.Component.Builder
 *
 * @created    30th April, 2015
 * @author     Llewellyn van der Merwe <https://dev.vdm.io>
 * @git        Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
 * @copyright  Copyright (C) 2015 Vast Development Method. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

// Initial Script
document.addEventListener('DOMContentLoaded', function()
{
	var add_head_vvvvvyu = jQuery("#jform_add_head input[type='radio']:checked").val();
	vvvvvyu(add_head_vvvvvyu);
});

// the vvvvvyu function
function vvvvvyu(add_head_vvvvvyu)
{
	// set the function logic
	if (add_head_vvvvvyu == 1)
	{
		jQuery('#jform_head-lbl').closest('.control-group').show();
	}
	else
	{
		jQuery('#jform_head-lbl').closest('.control-group').hide();
	}
}

// the isSet function
function isSet(val)
{
	if ((val != undefined) && (val != null) && 0 !== val.length){
		return true;
	}
	return false;
}


document.addEventListener('DOMContentLoaded', function() {
	// get the linked details
	getLinked();
	// load the active array values
	buildSelectionMemory('property');
	buildSelectionMemory('method');
	// load the active selection array values
	getClassCodeIds('property', 'jform_id', false);
	getClassCodeIds('method', 'jform_id', false);
	// check and load all the customcode edit buttons
	setTimeout(getEditCustomCodeButtons, 300);
	// trigger the row watcher
	rowWatcher();
});

function getCodeFrom_server(id, type, type_name, callingName) {
	var url = "index.php?option=com_componentbuilder&task=ajax." + callingName + "&format=json&raw=true&vdm="+vastDevMod;
	if (token.length > 0 && id > 0 && type.length > 0) {
		url += '&' + token + '=1&' + type_name + '=' + type + '&id=' + id;
	}
	var getUrl = JRouter(url);
	return fetch(getUrl, {
		method: 'GET',
		headers: {
			'Content-Type': 'application/json'
		}
	}).then(function(response) {
		if (response.ok) {
			return response.json();
		} else {
			throw new Error('Network response was not ok');
		}
	}).then(function(data) {
		return data;
	}).catch(function(error) {
		console.error('There was a problem with the fetch operation:', error);
	});
}

// set selection the options
selectionMemory = {'property':{},'method':{}};
selectionActiveArray = {'property':{},'method':{}};
selectedIdRemoved = {'property':'not','method':'not'};

function buildSelectionMemory(type) {
	var i;
	for (i = 0; i < 70; i++) {
		// build ID
		var id_check = 'jform_'+type+'_selection'+'__'+type+'_selection'+i+'__'+type;
		// set memory
		if (jQuery("#"+id_check).length) {
			selectionMemory[type][id_check] = jQuery("#"+id_check+" option:selected").val();
		}
	}
}

function getClassHeaderCode(){
	// now get the values
	var value = jQuery("#jform_class_extends  option:selected").val();
	var add_value = jQuery("#jform_add_head input[type='radio']:checked").val();
	if (add_value == 1 && value > 0){
		// we first check local memory
		var _result = jQuery.jStorage.get('extends_header_'+value, null);
		if (_result) {
				// now set the code
				addCodeToEditor(_result, "jform_head", false, null);
		} else {
			// now get the code
			getCodeFrom_server(value, 'extends', 'type', 'getClassHeaderCode').then(function(result) {
				if(result){
					// now set the code
					addCodeToEditor(result, "jform_head", false, null);
					// add result to local memory
					jQuery.jStorage.set('extends_header_'+value, result, {TTL: expire});
				}
			});
		}
	}
}

function getClassCodeIds(type, target_field, reset_all){
	// now get the value
	var value = jQuery('#'+target_field).val();
	// now get the code
	getCodeFrom_server(value, type, 'type', 'getClassCodeIds').then(function(result) {
		if(result){
			// reset the selection
			selectionActiveArray[type] = {};
			// update the active array
			jQuery.each(result, function(i, prop) {
				selectionActiveArray[type][prop] = selectionArray[type][prop];
			});
			// update the active field selection
			updateActiveFieldSelection(type, reset_all);
		}
	});
}

function updateActiveFieldSelection(type, reset_all){
	// update the selection options
	if ('joomla_plugin_group' === type) {
		// get value if not going to reset all
		if (!reset_all){
			// get the active values
			var activeValue =  jQuery("#jform_"+type+" option:selected").val();
			var activeText =  jQuery("#jform_"+type+" option:selected").text();
			// clear the options out
			jQuery("#jform_"+type).find('option').remove().end();
			// add the active selection back (must be what is available)
			jQuery("#jform_"+type).append('<option value="'+activeValue+'">'+activeText+'</option>');
			// now add the lists back
			jQuery.each( selectionActiveArray[type], function(aValue, aText ) {
				if (activeValue !== aValue) {
					jQuery("#jform_"+type).append('<option value="'+aValue+'">'+aText+'</option>');
				}
			});
			jQuery("#jform_"+type).val(activeValue);			
		} else {
			// clear the options out
			jQuery("#jform_"+type).find('option').remove().end();
			// now add the lists back
			jQuery.each( selectionActiveArray[type], function(aValue, aText ) {
				jQuery("#jform_"+type).append('<option value="'+aValue+'">'+aText+'</option>');
			});
			jQuery("#jform_"+type).val('');
		}
		jQuery("#jform_"+type).trigger('liszt:updated');
		// reset all when global update is made
		if (reset_all) {
			resetAll('method');
			resetAll('property');
		}
	} else {
		selectionDynamicUpdate(type);
		// reset all when global update is made
		if (reset_all) {
			resetAll(type);
		}
	}
}

function resetAll(type) {
	var i;
	for (i = 0; i < 10; i++) {
		// build ID
		var id_check = 'jform_'+type+'_selection'+'__'+type+'_selection'+i+'__'+type;
		// first check if Id is on page as that not the same as the one currently calling
		if (jQuery("#"+id_check).length) {
			if (i == 0) {
				jQuery('#'+id_check).val('');
				jQuery('#'+id_check).trigger('liszt:updated');
			} else {
				// remove the row
				jQuery('#'+id_check).closest('tr').remove();
			}
		}
	}
	Joomla.editors.instances['jform_main_class_code'].setValue('');
	selectionMemory = {'property':{},'method':{}};
}

function getClassCode(field, type){
	// get the ID
	var id = jQuery(field).attr('id');
	// now get the value
	var value = jQuery('#' + id).val();
	// check if we have a memory for this field, if true remove code of old selection and clear memory
	if (selectionMemory[type].hasOwnProperty(id) && selectionMemory[type][id] > 0) {
		// the old id to remove
		var old_value = selectionMemory[type][id];
		// remove the code // we first check local memory
		var _result = jQuery.jStorage.get('code_4_'+type+'_'+old_value, null);
		if (_result) {
			// now remove the code
			if (removeCodeFromEditor(_result, 'jform_main_class_code')) {
				selectionMemory[type][id] = 0;
			}
		} else {
			// now get the code
			getCodeFrom_server(old_value, type, 'type', 'getClassCode').then(function(result) {
				if(result){
					// now remove the code
					if (removeCodeFromEditor(result, 'jform_main_class_code')) {
						selectionMemory[type][id] = 0;
					}
					// add result to local memory
					jQuery.jStorage.set('code_4_'+type+'_'+old_value, result, {TTL: expire});
				}
			});
		}
	}
	if (propertyIsSet(value, id, type)) {
		// reset the selection
		jQuery('#'+id).val('');
		jQuery('#'+id).trigger("liszt:updated");
		// give out a notice
		jQuery.UIkit.notify({message: Joomla.JText._('COM_COMPONENTBUILDER_ALREADY_SELECTED_TRY_ANOTHER'), timeout: 5000, status: 'warning', pos: 'top-center'});
	} else {
		// set the active removed value
		selectedIdRemoved[type] = id;
		// do a dynamic update (to remove what was already used)
		selectionDynamicUpdate(type);
		// set the add action
		if (type === 'property') {
			var _action_add = 'prepend';
		} else {
			var _action_add = 'append';
		}
		// we first check local memory
		var _result = jQuery.jStorage.get('code_4_'+type+'_'+value, null);
		if (_result) {
			// now set the code
			if (addCodeToEditor(_result, "jform_main_class_code", true, _action_add)) {
				selectionMemory[type][id] = value;
			}
		} else {
			// now get the code
			getCodeFrom_server(value, type, 'type', 'getClassCode').then(function(result) {
				if(result){
					// now set the code
					if (addCodeToEditor(result, "jform_main_class_code", true, _action_add)) {
						selectionMemory[type][id] = value;
					}
					// add result to local memory
					jQuery.jStorage.set('code_4_'+type+'_'+value, result, {TTL: expire});
				}
			});
		}
	}
}

function selectionDynamicUpdate(type) {
	selectionAvailable = {};
	selectionSelectedArray = {};
	selectionTrackerArray = {};
	var i;
	for (i = 0; i < 70; i++) { // for now this is the number of field we should check
		// build ID
		var id_check = 'jform_'+type+'_selection'+'__'+type+'_selection'+i+'__'+type;
		// first check if Id is on page as that not the same as the one currently calling
		if (jQuery("#"+id_check).length && selectedIdRemoved[type] !== id_check) {
			// build the selected array
			var key =  jQuery("#"+id_check+" option:selected").val();
			var text =  jQuery("#"+id_check+" option:selected").text();
			selectionSelectedArray[key] = text;
			// keep track of the value set
			selectionTrackerArray[id_check] = key;
			// clear the options out
			jQuery("#"+id_check).find('option').remove().end();
		}
	}
	// now build the list to keep
	jQuery.each( selectionActiveArray[type], function( prop, name ) {
		if (!selectionSelectedArray.hasOwnProperty(prop)) {
			selectionAvailable[prop] = name;
		}
	});
	// now add the lists back
	jQuery.each( selectionTrackerArray, function( tId, tKey ) {
		if (jQuery('#'+tId).length) {
			jQuery('#'+tId).append('<option value="'+tKey+'">'+selectionSelectedArray[tKey]+'</option>');
			jQuery.each( selectionAvailable, function( aKey, aValue ) {
				jQuery('#'+tId).append('<option value="'+aKey+'">'+aValue+'</option>');
			});
			jQuery('#'+tId).val(tKey);
			jQuery('#'+tId).trigger('liszt:updated');
		}
	});
}

function rowWatcher() {
	jQuery(document).on('subform-row-remove', function(event, row){
		// we first chck if this is a method call
       		var valid_call = jQuery(row.innerHTML).find('.method_selection_list').attr('id');
		var type_call = 'method';
		if (!isSet(valid_call)){
			// now lets see if this is a property call
			var valid_call = jQuery(row.innerHTML).find('.property_selection_list').attr('id');
			var type_call = 'property';
		}
		// so lets update selection if call valid
		if (isSet(valid_call)){
			selectedIdRemoved[type_call] = valid_call;
			selectionDynamicUpdate(type_call);
			// also remove from code
			var valid_value = jQuery(row.innerHTML).find('#' + valid_call + ' option:selected').val();
			if (valid_value === '') {
				valid_value = selectionMemory[type_call][valid_call];
			}
			// remove the code // we first check local memory
			var _result = jQuery.jStorage.get('code_4_'+type_call+'_'+valid_value, null);
			if (_result) {
				// now remove the code
				if (removeCodeFromEditor(_result, 'jform_main_class_code')) {
					selectionMemory[type_call][valid_call] = 0;
				}
			} else {
				// now get the code
				getCodeFrom_server(valid_value, type_call, 'type', 'getClassCode').then(function(result) {
					if(result){
						if (removeCodeFromEditor(result, 'jform_main_class_code')) {
							selectionMemory[type_call][valid_call] = 0;;
						}
						// add result to local memory
						jQuery.jStorage.set('code_4_'+type_call+'_'+valid_value, result, {TTL: expire});
					}
				});
			}
		}
	});
	jQuery(document).on('subform-row-add', function(event, row){
		// we first chck if this is a method call
       		var valid_call = jQuery(row.innerHTML).find('.method_selection_list').attr('id');
		var type_call = 'method';
		if (!isSet(valid_call)){
			// now lets see if this is a property call
			var valid_call = jQuery(row.innerHTML).find('.property_selection_list').attr('id');
			var type_call = 'property';
		}
		// so lets update selection if call valid
		if (isSet(valid_call)){
			selectedIdRemoved[type_call] = 'not';
			selectionDynamicUpdate(type_call);
		}
	});
}

function propertyIsSet(prop, id, type) {
	var i;
	for (i = 0; i < 70; i++) { // for now this is the number of field we should check
		// build ID
		var id_check = 'jform_'+type+'_selection'+'__'+type+'_selection'+i+'__'+type;
		// first check if Id is on page as that not the same as the one currently calling
		if (jQuery("#"+id_check).length && id_check != id) {
			// get the property value
			var tmp = jQuery("#"+id_check+" option:selected").val();
			// now validate
			if (tmp === prop) {
				return true;
			}
		}
	}
	return false;
}

function addCodeToEditor(code_string, editor_id, merge, merge_target){
	if (Joomla.editors.instances.hasOwnProperty(editor_id)) {
		var old_code_string = Joomla.editors.instances[editor_id].getValue();
		if (merge && old_code_string.length > 0) {
			// make sure not to load the same string twice
			if (old_code_string.indexOf(code_string) == -1)  {
				if ('prepend' === merge_target) {
					var _string = code_string + "\n\n" + old_code_string;
				} else if (merge_target && 'append' !== merge_target) {
					var old_code_array = old_code_string.split(merge_target);
					if (old_code_array.length > 1) {
						var _string = old_code_array.shift() + "\n\n" + code_string + "\n\n" + merge_target + old_code_array.join(merge_target);
					} else {
						var _string = code_string + "\n\n" + merge_target + old_code_array.join('');
					}
				} else {
					var _string = old_code_string + "\n\n" + code_string;
				}
				Joomla.editors.instances[editor_id].setValue(_string.trim());
				return true;
			}
		} else {
			Joomla.editors.instances[editor_id].setValue(code_string.trim());
			return true;
		}
	} else {
		var old_code_string = jQuery('textarea#'+editor_id).val();
		if (merge && old_code_string.length > 0) {
			// make sure not to load the same string twice
			if (old_code_string.indexOf(code_string) == -1) {
				if ('prepend' === merge_target) {
					var _string = code_string + "\n\n" + old_code_string;
				} else if (merge_target && 'append' !== merge_target) {
					var old_code_array = old_code_string.split(merge_target);
					if (old_code_array.length > 1) {
						var _string = old_code_array.shift() + "\n\n" + code_string + "\n\n" + merge_target + old_code_array.join(merge_target);
					} else {
						var _string = code_string + "\n\n" + merge_target + old_code_array.join('');
					}
				} else {
					var _string = old_code_string + "\n\n" + code_string;
				}
				jQuery('textarea#'+editor_id).val(_string.trim());
				return true;
			}
		} else {
			jQuery('textarea#'+editor_id).val(code_string.trim());
			return true;
		}
	}
	return false;
}


function removeCodeFromEditor(code_string, editor_id){
	if (Joomla.editors.instances.hasOwnProperty(editor_id)) {
		var old_code_string = Joomla.editors.instances[editor_id].getValue();
		if (old_code_string.length > 0) {
			// make sure string is found
			if (old_code_string.indexOf(code_string) !== -1) {
				// remove the code
				Joomla.editors.instances[editor_id].setValue(old_code_string.replace(code_string+"\n\n",'').replace("\n\n"+code_string,'').replace(code_string,''));
				return true;
			}
		}
	} else {
		var old_code_string = jQuery('textarea#'+editor_id).val();
		if (old_code_string.length > 0) {
			// make sure string is found
			if (old_code_string.indexOf(code_string) !== -1) {
				// remove the code
				jQuery('textarea#'+editor_id).val(old_code_string.replace(code_string+"\n\n",'').replace("\n\n"+code_string,'').replace(code_string,''));
				return true;
			}
		}
	}
	return false;
}


function getLinked(){
	getCodeFrom_server(1, 'type', 'type', 'getLinked').then(function(result) {
		if(result){
			jQuery('#display_linked_to').html(result);
		}
	});
}

function getEditCustomCodeButtons_server(id) {
	var getUrl = JRouter("index.php?option=com_componentbuilder&task=ajax.getEditCustomCodeButtons&format=json&raw=true&vdm="+vastDevMod);
	let requestParams = '';
	if (token.length > 0 && id > 0) {
		requestParams = token+'=1&id='+id+'&return_here='+return_here;
	}
	// Construct URL with parameters for GET request
	const urlWithParams = getUrl + '&' + requestParams;

	// Using the Fetch API for the GET request
	return fetch(urlWithParams, {
		method: 'GET',
		headers: {
			'Content-Type': 'application/json'
		}
	}).then(response => {
		if (!response.ok) {
			throw new Error('Network response was not ok');
		}
		return response.json();
	});
}

function getEditCustomCodeButtons() {
	// Get the id using pure JavaScript
	const id = document.querySelector("#jform_id").value;
	getEditCustomCodeButtons_server(id).then(function(result) {
		if (typeof result === 'object') {
			Object.entries(result).forEach(([field, buttons]) => {
				// Creating the div element for buttons
				const div = document.createElement('div');
				div.className = 'control-group';
				div.innerHTML = '<div class="control-label"><label>Add/Edit Customcode</label></div><div class="controls control-customcode-buttons-'+field+'"></div>';

				// Insert the div before .control-wrapper-{field}
				const insertBeforeElement = document.querySelector(".control-wrapper-"+field);
				insertBeforeElement.parentNode.insertBefore(div, insertBeforeElement);

				// Adding buttons to the div
				Object.entries(buttons).forEach(([name, button]) => {
					const controlsDiv = document.querySelector(".control-customcode-buttons-"+field);
					controlsDiv.innerHTML += button;
				});
			});
		}
	}).catch(error => {
		console.error('Error:', error);
	});
}