angular.module('app').controller('entityLookupModalController', entityLookupModalController);

entityLookupModalController.$inject = ['$scope', '$modalInstance', 'options'];

function entityLookupModalController($scope, $modalInstance, options) {
    let self = this;

    self.gridOptions = {
        enableRowSelection: true,
        enableRowHeaderSelection: false,
        multiSelect: false,
        enableFiltering: true,
        onRegisterApi: onRegisterApi,
        data: getData(),
        rowTemplate: ` <div ng-dblclick="grid.appScope.dblclickHandler(row.entity)"
                            ng-repeat="col in colContainer.renderedColumns track by col.colDef.name"
                            class="ui-grid-cell" ui-grid-cell></div>`
    };

    _.assign(self.gridOptions, _.omit(options, 'data'));

    $scope.dblclickHandler = (val)=> {
        $modalInstance.close(val);
    };

    self.selectedItem = null;
    self.ok = closeAndReturnSelectedOption;
    self.cancel = closeWithoutReturn;

    function onRegisterApi(gridApi) {
        // set gridApi on scope
        self.gridApi = gridApi;

        gridApi.selection.on.rowSelectionChanged($scope, (row) => {
            self.selectedItem = row.isSelected ? row.entity : null;
        });
    }

    function getData() {
        return options.data.map((row)=> {
            let obj = !_.isPlainObject(row.value)
                ? { lookup: row.value }
                : row.value;

            obj.key = row.id || _.uniqueId();

            return obj;
        });
    }

    function closeAndReturnSelectedOption() {
        if (self.selectedItem !== null) {
            $modalInstance.close(self.selectedItem);
        }
    }

    function closeWithoutReturn() {
        $modalInstance.dismiss('cancel');
    }
}