angular.module('portainer.docker')
.controller('BuildImageController', ['$scope', '$state', 'BuildService', 'Notifications', 'HttpRequestHelper',
function ($scope, $state, BuildService, Notifications, HttpRequestHelper) {

	$scope.state = {
		BuildType: 'editor',
		actionInProgress: false,
		activeTab: 0
	};

	$scope.formValues = {
		ImageNames: [{ Name: '' }],
		UploadFile: null,
		DockerFileContent: '',
		URL: '',
		Path: 'Dockerfile',
		NodeName: null
	};

	$scope.addImageName = function() {
		$scope.formValues.ImageNames.push({ Name: '' });
	};

	$scope.removeImageName = function(index) {
		$scope.formValues.ImageNames.splice(index, 1);
	};

	function buildImageBasedOnBuildType(method, names) {
		var buildType = $scope.state.BuildType;
		var dockerfilePath = $scope.formValues.Path;

		if (buildType === 'upload') {
			var file = $scope.formValues.UploadFile;
			return BuildService.buildImageFromUpload(names, file, dockerfilePath);
		} else if (buildType === 'url') {
			var URL = $scope.formValues.URL;
			return BuildService.buildImageFromURL(names, URL, dockerfilePath);
		} else {
			var dockerfileContent = $scope.formValues.DockerFileContent;
			return BuildService.buildImageFromDockerfileContent(names, dockerfileContent);
		}
	}

	$scope.buildImage = function() {
		var buildType = $scope.state.BuildType;

		if (buildType === 'editor' && $scope.formValues.DockerFileContent === '') {
			$scope.state.formValidationError = 'Dockerfile content must not be empty';
			return;
		}

		$scope.state.actionInProgress = true;

		var imageNames = $scope.formValues.ImageNames.filter(function filterNull(x) {
			return x.Name;
		}).map(function getNames(x) {
			return x.Name;
		});

		var nodeName = $scope.formValues.NodeName;
    HttpRequestHelper.setPortainerAgentTargetHeader(nodeName);

		buildImageBasedOnBuildType(buildType, imageNames)
		.then(function success(data) {
			$scope.buildLogs = data.buildLogs;
			$scope.state.activeTab = 1;
			if (data.hasError) {
				Notifications.error('An error occured during build', { msg: 'Please check build logs output' });
			} else {
				Notifications.success('Image successfully built');
			}
		})
		.catch(function error(err) {
			Notifications.error('Failure', err, 'Unable to build image');
		})
		.finally(function final() {
			$scope.state.actionInProgress = false;
		});
	};

	$scope.validImageNames = function() {
		for (var i = 0; i < $scope.formValues.ImageNames.length; i++) {
			var item = $scope.formValues.ImageNames[i];
			if (item.Name !== '') {
				return true;
			}
		}
		return false;
	};

	$scope.editorUpdate = function(cm) {
    $scope.formValues.DockerFileContent = cm.getValue();
  };
}]);