/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2019 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============================================
 * ===================================================================
 *
 */

import React, { forwardRef } from 'react'
import MaterialTable from "material-table";
import Button from 'react-bootstrap/Button';
import Modal from 'react-bootstrap/Modal';
import styled from 'styled-components';
import TemplateMenuService from '../../../api/TemplateMenuService';
import ArrowUpward from '@material-ui/icons/ArrowUpward';
import ChevronLeft from '@material-ui/icons/ChevronLeft';
import ChevronRight from '@material-ui/icons/ChevronRight';
import Clear from '@material-ui/icons/Clear';
import FirstPage from '@material-ui/icons/FirstPage';
import LastPage from '@material-ui/icons/LastPage';
import Search from '@material-ui/icons/Search';


const ModalStyled = styled(Modal)`
	background-color: transparent;
`
const TextModal = styled.textarea`
	margin-top: 20px;
	white-space:pre;
	background-color: ${props => props.theme.toscaTextareaBackgroundColor};
	text-align: justify;
	font-size: ${props => props.theme.toscaTextareaFontSize};
	width: 100%;
	height: 300px;
`
const cellStyle = { border: '1px solid black' };
const headerStyle = { backgroundColor: '#ddd',	border: '2px solid black'	};
const rowHeaderStyle = {backgroundColor:'#ddd',  fontSize: '15pt', text: 'bold', border: '1px solid black'};

export default class ViewToscalPolicyModal extends React.Component {

	state = {
		show: true,
		content: 'Please select Tosca model to view the details',
		selectedRow: -1,
		toscaNames: [],
		toscaColumns: [
			{ title: "#", field: "index", render: rowData => rowData.tableData.id + 1,
				cellStyle: cellStyle,
				headerStyle: headerStyle
			},
			{ title: "Micro Service Name", field: "toscaModelName",
				cellStyle: cellStyle,
				headerStyle: headerStyle
			},
			{ title: "PolicyType", field: "policyType",
				cellStyle: cellStyle,
				headerStyle: headerStyle
			},
			{ title: "Version", field: "toscaModelRevisions[0].version",
				cellStyle: cellStyle,
				headerStyle: headerStyle
			},
			{ title: "Uploaded By", field: "userId",
				cellStyle: cellStyle,
				headerStyle: headerStyle
			},
			{ title: "Uploaded Date", field: "lastUpdatedDate", editable: 'never',
				cellStyle: cellStyle,
				headerStyle: headerStyle
			}
		],
		tableIcons: {
		    FirstPage: forwardRef((props, ref) => <FirstPage {...props} ref={ref} />),
		    LastPage: forwardRef((props, ref) => <LastPage {...props} ref={ref} />),
		    NextPage: forwardRef((props, ref) => <ChevronRight {...props} ref={ref} />),
		    PreviousPage: forwardRef((props, ref) => <ChevronLeft {...props} ref={ref} />),
		    ResetSearch: forwardRef((props, ref) => <Clear {...props} ref={ref} />),
		    Search: forwardRef((props, ref) => <Search {...props} ref={ref} />),
		    SortArrow: forwardRef((props, ref) => <ArrowUpward {...props} ref={ref} />)
		}
	};

	constructor(props, context) {
		super(props, context);
		this.handleClose = this.handleClose.bind(this);
		this.getPolicyToscaModels = this.getToscaPolicyModels.bind(this);
		this.handleYamlContent = this.handleYamlContent.bind(this);
	}

	componentWillMount() {
		this.getToscaPolicyModels();
	}

	getToscaPolicyModels() {
	    TemplateMenuService.getToscaPolicyModels().then(toscaNames => {
			this.setState({ toscaNames: toscaNames });
		});
	}

	handleYamlContent(event) {
		this.setState({ content: event.target.value });
	}

	handleClose() {
		this.setState({ show: false });
		this.props.history.push('/');
	}

	render() {
		return (
			<ModalStyled size="xl" show={this.state.show} onHide={this.handleClose}>
				<Modal.Header closeButton>
				</Modal.Header>
				<Modal.Body>
					<MaterialTable
					title={"View Tosca Policy Models"}
					data={this.state.toscaNames}
					columns={this.state.toscaColumns}
					icons={this.state.tableIcons}
					onRowClick={(event, rowData) => {this.setState({content: rowData.toscaModelRevisions[0].toscaModelYaml, selectedRow: rowData.tableData.id})}}
					options={{
						headerStyle: rowHeaderStyle,
						rowStyle: rowData => ({
							backgroundColor: (this.state.selectedRow !== -1 && this.state.selectedRow === rowData.tableData.id) ? '#EEE' : '#FFF'
						})
					}}
					/>
					<div>
						<TextModal value={this.state.content} onChange={this.handleYamlContent}/>
					</div>
				</Modal.Body>
				<Modal.Footer>
					<Button variant="secondary" onClick={this.handleClose}>Close</Button>
				</Modal.Footer>
			</ModalStyled>
		);
	}
}