/*-
 * ============LICENSE_START=======================================================
 * VID
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

"use strict";

var creationDialogController = function( COMPONENT, FIELD, PARAMETER, $scope, $http, $timeout, $log,
		CreationService, UtilityService, DataService,VIDCONFIGURATION) {

	$scope.isDialogVisible = false;
	$scope.summaryControl = {};
	$scope.userProvidedControl = {};

	var callbackFunction = undefined;
	var componentId = undefined;

	$scope.$on(COMPONENT.CREATE_COMPONENT, function(event, request) {

		$scope.isSpinnerVisible = true;
		$scope.isErrorVisible = false;
		$scope.isDataVisible = false;
		$scope.isConfirmEnabled = false;
		$scope.isDialogVisible = true;
		$scope.popup.isVisible = true;

		callbackFunction = request.callbackFunction;
		componentId = request.componentId;
		CreationService.initializeComponent(request.componentId);

		CreationService.setHttpErrorHandler(function(response) {
			showError(FIELD.ERROR.SYSTEM_FAILURE, UtilityService
					.getHttpErrorMessage(response));
		});

		$scope.componentName = CreationService.getComponentDisplayName();

		CreationService.getParameters(handleGetParametersResponse);

	});

	var handleGetParametersResponse = function(parameters) {
		$scope.summaryControl.setList(parameters.summaryList);
		$scope.userProvidedControl.setList(parameters.userProvidedList);

		$scope.isSpinnerVisible = false;
		$scope.isDataVisible = true;
		$scope.isConfirmEnabled = true;
	};
	
	var validateInstanceName = function(iname) {
		var patt1 = /^([a-z])+([0-9a-z\-_\.]*)$/i;
		
		if ( iname == null ){
			return false;
		}
		if ( !iname.match(patt1) ) {
			return false;
		}
		return true;
	};
	var validateMap = function(mname) {
		var patt1 = /^{(\s*\w+\s*:\s*\w+\s*)(\s*,\s*\w+\s*:\s*\w+\s*)*}$/im;
		if ( mname == null ){
			return true;
		}
		if ( !mname.match(patt1) ) {
			return false;
		}
		return true;
	};
	
	var validateList = function(lname) {
		var patt1 = /^\[(\s*\w+\s*)(\s*,\s*\w+\s*)*\]$/i;
		if ( lname == null ){
			return true;
		}
		if ( !lname.match(patt1) ) {
			return false;
		}
		return true;
	};
		
	$scope.userParameterChanged = function(id) {
		CreationService.updateUserParameterList(id, $scope.userProvidedControl);
	}

	$scope.confirm = function() {

		var requiredFields = $scope.userProvidedControl.getRequiredFields();
		if (requiredFields !== "") {
			showError(FIELD.ERROR.MISSING_DATA, requiredFields);
			return;
		}
		
		var isUploadAvailable = false;
		var uploadIndex =0;
		var paramList = $scope.userProvidedControl.getList();
		
		for (var i = 0; i < paramList.length; i++) {
			if (paramList[i].id === FIELD.ID.SUPPLEMENTORY_DATA_FILE) {
				isUploadAvailable = true;
				uploadIndex=i;
				break;
			}
		}
		
		if(isUploadAvailable){
			var errorMsg = "";
			var fileInput = document.getElementById(FIELD.ID.SUPPLEMENTORY_DATA_FILE);
			var file = fileInput.files[0];
			var reader = new FileReader();
			reader.onload = function(e) {
				try{
					paramList[uploadIndex].value = JSON.parse(reader.result);
					FIELD.PARAMETER.SUPPLEMENTORY_DATA_FILE['value'] = JSON.stringify(paramList[uploadIndex].value);
					$scope.userProvidedControl.updateList([ FIELD.PARAMETER.SUPPLEMENTORY_DATA_FILE ]);
					
					var instanceName = "";

					if ( DataService.getALaCarte() ) {
						if ( paramList != null ) {
							for (var i = 0; i < paramList.length; i++) {
								if (paramList[i].id === FIELD.ID.INSTANCE_NAME) {
									instanceName = paramList[i].value;
									break;
								}
							}
						}
						var isValid = validateInstanceName (instanceName);
						if ( isValid ) {
							$scope.isErrorVisible = false;
						} else {
							showError(FIELD.ERROR.INVALID_INSTANCE_NAME + instanceName, 
									FIELD.ERROR.INSTANCE_NAME_VALIDATE);
							return;
						}
					}
					var arbitraryParametersList = DataService.getArbitraryParameters();
					var p = null;
					if (UtilityService.hasContents (arbitraryParametersList)) {
						for (var i = 0; i < arbitraryParametersList.length; i++) {
							p = arbitraryParametersList[i];
							if (p.type === PARAMETER.MAP) {
								//validate a map: { <entry_key_1>: <entry_value_1>, ... , <entry_key_n>: <entry_value_n> }
								// need to find the value in paramList
								for (var j = 0; j < paramList.length; j++) {
									if (paramList[j].id === p.id) {
										p.value = paramList[j].value;
										var isValid = validateMap (p.value);
										if ( isValid ) {
											$scope.isErrorVisible = false;
											break;
										} 
										else {
											showError(FIELD.ERROR.INVALID_MAP + p.id, 
													FIELD.ERROR.MAP_VALIDATE);
											return;
										}	
									}
								}
							} else if (p.type === PARAMETER.LIST) {
								//validate a list: { value or a list of comma separated values }
								// need to find the value in paramList
								for (var j = 0; j < paramList.length; j++) {
									if (paramList[j].id === p.id) {
										p.value = paramList[j].value;
										var isValid = validateList (p.value);
										if ( isValid ) {
											$scope.isErrorVisible = false;
											break;
										} 
										else {
											showError(FIELD.ERROR.INVALID_LIST + p.id, 
													FIELD.ERROR.LIST_VALIDATE);
											return;
										}	
									}
								}
							}
						}
					}
					var requestDetails = CreationService
							.getMsoRequestDetails($scope.userProvidedControl.getList());

					$scope.isDialogVisible = false;

					$scope.$broadcast(COMPONENT.MSO_CREATE_REQ, {
						url : CreationService.getMsoUrl(),
						requestDetails : requestDetails,
						componentId: componentId,
						callbackFunction : function(response) {
							if (response.isSuccessful) {
								$scope.popup.isVisible = false;
								runCallback(response);
							} else {
								$scope.isDialogVisible = false;
								$scope.popup.isVisible = false;
							}
						}
					});
					
				}catch(e){
				errorMsg = errorMsg+ FIELD.ERROR.INVALID_DATA_FORMAT;
			}
			if (errorMsg !== "") {
				showError(FIELD.ERROR.SYSTEM_FAILURE, errorMsg);
				return;
			}
			}
			reader.readAsText(file);
		}else{
	
			var paramList = $scope.userProvidedControl.getList();
			var instanceName = "";

			if ( DataService.getALaCarte() ) {
				if ( paramList != null ) {
					for (var i = 0; i < paramList.length; i++) {
						if (paramList[i].id === FIELD.ID.INSTANCE_NAME) {
							instanceName = paramList[i].value;
							break;
						}
					}
				}
				var isValid = validateInstanceName (instanceName);
				if ( isValid ) {
					$scope.isErrorVisible = false;
				} else {
					showError(FIELD.ERROR.INVALID_INSTANCE_NAME + instanceName, 
							FIELD.ERROR.INSTANCE_NAME_VALIDATE);
					return;
				}
			}
			var arbitraryParametersList = DataService.getArbitraryParameters();
			var p = null;
			if (UtilityService.hasContents (arbitraryParametersList)) {
				for (var i = 0; i < arbitraryParametersList.length; i++) {
					p = arbitraryParametersList[i];
					if (p.type === PARAMETER.MAP) {
						//validate a map: { <entry_key_1>: <entry_value_1>, ... , <entry_key_n>: <entry_value_n> }
						// need to find the value in paramList
						for (var j = 0; j < paramList.length; j++) {
							if (paramList[j].id === p.id) {
								p.value = paramList[j].value;
								var isValid = validateMap (p.value);
								if ( isValid ) {
									$scope.isErrorVisible = false;
									break;
								} 
								else {
									showError(FIELD.ERROR.INVALID_MAP + p.id, 
											FIELD.ERROR.MAP_VALIDATE);
									return;
								}	
							}
						}
					} else if (p.type === PARAMETER.LIST) {
						//validate a list: { value or a list of comma separated values }
						// need to find the value in paramList
						for (var j = 0; j < paramList.length; j++) {
							if (paramList[j].id === p.id) {
								p.value = paramList[j].value;
								var isValid = validateList (p.value);
								if ( isValid ) {
									$scope.isErrorVisible = false;
									break;
								} 
								else {
									showError(FIELD.ERROR.INVALID_LIST + p.id, 
											FIELD.ERROR.LIST_VALIDATE);
									return;
								}	
							}
						}
					}
				}
			}
			var requestDetails = CreationService
					.getMsoRequestDetails($scope.userProvidedControl.getList());

			$scope.isDialogVisible = false;

			$scope.$broadcast(COMPONENT.MSO_CREATE_REQ, {
				url : CreationService.getMsoUrl(),
				requestDetails : requestDetails,
				componentId: componentId,
				callbackFunction : function(response) {
					if (response.isSuccessful) {
						$scope.popup.isVisible = false;
						runCallback(response);
					} else {
						$scope.isDialogVisible = false;
						$scope.popup.isVisible = false;
					}
				}
			});
		}
	}

	$scope.cancel = function() {
		$scope.isDialogVisible = false;
		$scope.popup.isVisible = false;
		runCallback(false);
	}

	var runCallback = function(response) {
		if (angular.isFunction(callbackFunction)) {
			callbackFunction({
				isSuccessful : response.isSuccessful,
				control : $scope.userProvidedControl.getList(),
				instanceId : response.instanceId
			});
		}
	}

	var showError = function(summary, details) {
		var message = summary;
		if (UtilityService.hasContents(details)) {
			message += " (" + details + ")";
		}
		$scope.isSpinnerVisible = false;
		$scope.isErrorVisible = true;
		$scope.error = message;
	}
	
}

appDS2.controller("creationDialogController", [ "COMPONENT", "FIELD", "PARAMETER", "$scope", "$http",
				"$timeout", "$log", "CreationService", "UtilityService", "DataService","VIDCONFIGURATION",
				creationDialogController ]);