import ngModule from '../module';

class Controller {
    constructor($scope, $http, vnApp, $translate) {
        this.$ = $scope;
        this.$http = $http;
        this.vnApp = vnApp;
        this.$translate = $translate;
    }

    $postLink() {
        this.$.treeview.fetch();
    }

    onFetch(item) {
        const params = item ? {parentId: item.id} : null;
        return this.$.model.applyFilter({}, params).then(() => {
            return this.$.model.data;
        });
    }

    onSort(a, b) {
        return a.name.localeCompare(b.name);
    }

    onDrop(dropped, dragged) {
        const params = dropped ? {parentId: dropped.id} : null;
        const query = `departments/${dragged.id}/moveChild`;
        this.$http.post(query, params).then(() => {
            this.$.treeview.move(dragged, dropped);
        });
    }

    onCreate(parent) {
        this.newChild = {
            parent: parent,
            name: ''
        };

        this.$.createNode.show();
    }

    onCreateDialogOpen() {
        this.newChild.name = '';
    }

    onCreateResponse(response) {
        if (response == 'accept') {
            try {
                if (!this.newChild.name)
                    throw new Error(`Name can't be empty`);

                const params = {name: this.newChild.name};
                const parent = this.newChild.parent;

                if (parent && parent.id)
                    params.parentId = parent.id;

                const query = `departments/createChild`;
                this.$http.post(query, params).then(res => {
                    const item = res.data;
                    item.parent = parent;

                    this.$.treeview.create(item);
                });
            } catch (e) {
                this.vnApp.showError(this.$translate.instant(e.message));
                return false;
            }
        }
        return true;
    }

    onRemove(item) {
        this.removedChild = item;
        this.$.deleteNode.show();
    }

    onRemoveResponse(response) {
        if (response === 'accept') {
            const childId = this.removedChild.id;
            const path = `departments/${childId}/removeChild`;
            this.$http.post(path).then(() => {
                this.$.treeview.remove(this.removedChild);
            });
        }
    }
}

Controller.$inject = ['$scope', '$http', 'vnApp', '$translate'];

ngModule.component('vnWorkerDepartment', {
    template: require('./index.html'),
    controller: Controller
});