class BaseComponentTest {
    public $compile: ng.ICompileService;
    public $rootScope: ng.IRootScopeService;
    public $httpBackend: ng.IHttpBackendService;
    public $templateCache: ng.ITemplateCacheService;

    constructor() {
        angular.mock.inject(($compile, $rootScope, $httpBackend, $templateCache) => {
            this.$compile = $compile;
            this.$rootScope = $rootScope;
            this.$httpBackend = $httpBackend;
            this.$templateCache = $templateCache;
        });
    }
}


export class ComponentTest extends BaseComponentTest {

    public templateURL: string;
    public componentName: string;
    public flushOnInit: boolean;

    constructor(componentName: string, templateURL: string) {
        super();
        this.componentName = componentName;
        this.templateURL = templateURL;
        this.flushOnInit = true;

        this.$httpBackend.expectGET(this.templateURL)
            .respond(201, this.$templateCache.get(this.templateURL));

    }
    public compile<T>(args: any = null, customCompileString: string = null): T {
        let actCompName = this.componentName.replace(/([a-z])([A-Z])/g, '$1:$2');
        let scope: any = this.$rootScope.$new();
        let dir: any;
        if (args) {
            console.log(args);
            angular.extend(this.$rootScope, args);

            if (customCompileString) {
                dir = this.$compile(angular.element(customCompileString))(scope);
            } else {
                console.log(args);
                dir = this.$compile(angular.element(`<${actCompName}></${actCompName}>`))(scope);
                console.log(dir);
            }

            scope.$digest();

            if (this.flushOnInit) {
                this.$httpBackend.flush();
            }

        } else {
            dir = this.$compile(angular.element(`<${actCompName}></${actCompName}>`))(scope);
            scope.$digest();
            if (this.flushOnInit) {
                this.$httpBackend.flush();
            }
        }
        if (dir.controller(this.componentName) === undefined) {
            console.log(this.componentName);
            console.log(dir);
        } else {
            console.log(dir);
        }

        return dir.controller(this.componentName);
    }
}