import React, { Component } from 'react';
import { SimpleTable, Container, TruncatedText, SVGIcon, Tooltip, Tags } from 'ca-ui-toolkit';
import PropTypes from 'prop-types';
import menuOverflow16 from '@ba-ui-toolkit/ba-graphics/dist/icons/overflow-menu--horizontal_16.svg';
import './ListView.scss';

const COL_LENGTH = 4;
/*
	Use in HomeView.js
		import { ListView } from '../ListView/ListView.js';
		...
		<div className='homeContentContainer' style={{ 'width': '100%' }}>
		<ListView height={<value calculation>} stringGetter={stringGetter} glassContext={glassContext} entries={this._formatAssets()} entryAssets={assets} allowUploadFiles={allowUploadFiles} homeView={homeView} stateId={stateId}/>
*/
export class ListView extends Component {
	static propTypes = {
		/** Custom class name(s) */
		className: PropTypes.string,
		/** The glass context handed down */
		glassContext: PropTypes.object,
		/** A reference to the ES5 homeView object */
		homeView: PropTypes.object,
		/** A copy of the i18n object used to translate strings */
		stringGetter: PropTypes.object,
		/** A list of the list entries formatted properly for use from the ca-ui-toolkit */
		entries: PropTypes.array,
		/** A list of the list entries unformatted with all information. This is to be used by glassContext */
		entryAssets: PropTypes.array,
		/** a boolean showing whether or not something can be uploaded if there is no data */
		allowUploadFiles: PropTypes.bool,
		/** An id used to remove context menus for list entries */
		stateId: PropTypes.string,
		/** Height Value for SimpleTable Component */
		height: PropTypes.string.isRequired
	};

	static defaultProps = {
		entries: []
	}

	constructor(props) {
		super(props);
	}

	state = {
		data: [],
		headerData: [
			{ label: '' },
			{ label: '' },
			{ label: '' },
			{ label: '' }
		],
		menuLoading: false
	};

	componentDidMount(){
		// Data preparation for rendering
		const { entries, stringGetter } = this.props;
		this.setState({ entries: entries });
		this.setState({ data: this.dataPrep(entries) });
		this.setState({ headerData: [
			{ label: stringGetter.get('list_header_name') },
			{ label: stringGetter.get('list_header_type') },
			{ label: stringGetter.get('list_header_last_modified') },
			{ label: '' }
		] });
	}

	componentDidUpdate(prevProps) {
		// In case if entries removed, refresh the list
		if(prevProps.entries.length !== this.props.entries.length)
			this.setState({ data: this.dataPrep(this.props.entries) });
		else{
			for(let i = 0; i < this.props.entries.length; i++){
				if(prevProps.entries[i].label !== this.props.entries[i].label || prevProps.entries[i].date !== this.props.entries[i].date){
					this.setState({ data: this.dataPrep(this.props.entries) });
					break;
				}
			}
		}
	}

	// Handler for data preparation and formating
	dataPrep = (data) => {
		const result = data.map(element => [
			{ label: element.label },
			{ label: element.type },
			{ label: element.date },
			{ label: '' }
		]);
		return result;
	}

	// Return the value in the designated table cell
	_getValue = (row, col) => {
		if (this.state.data.length > row && this.state.data[row].length > col) {
			return this.state.data[row][col].label;
		}
		return null;
	};

	// Function for rendering the table body
	_cellRenderer(row, col) {
		/*
			Three situations of cell content:
				- Text (Name, Last updated)
				- Asset tag (Type)
				- Overflow menu icon
		*/
		// Must: check the length first -> row length are fixed before state updates (concurrency issue)
		if(row >= this.props.entryAssets.length)
			return;
		if(col === 0) {
			return (
				<TruncatedText
					tabIndex='0'
					onKeyUp={ (e) => { this._openEntryViaTabbing(e, row); }}
					value={this.state.data[row][col].label}
					title={this.state.data[row][col].label}
					location='end'
					className='cell_assetName'
				/>
			);
		} else if (col === 1) {
			const typeName = this.state.data[row][col].label;
			const asset = this.props.entryAssets[row];
			let tagColor;

			let supportedtypeName =  typeName ?  typeName[0].toUpperCase() + typeName.slice(1).toLowerCase() : '';

			/**
	     * dashboard/report/story => purple tags
	     * exploration/notebooks = blue tags
	     * data upload, data sets, data module, data = green tags
	     * others = grey tags
	     */
			if(asset.type === 'report' || asset.type === 'reportView' || asset.type === 'interactiveReport' || asset.type === 'powerPlay8Report' || (asset.type === 'exploration' && (!asset.tags || asset.tags[0] !== 'explore'))){
				tagColor = 'purple';
			}else if((asset.type === 'exploration' && asset.tags && asset.tags[0] === 'explore') || asset.type === 'jupyterNotebook'){
				tagColor = 'blue';
			}else if(asset.type === 'dataSet2' || asset.type === 'module' || asset.type === 'uploadedFile' || asset.type === 'URL'){
				tagColor = 'teal';
				// If it's data and only one word, make all lowercased according to design doc
				supportedtypeName = supportedtypeName && supportedtypeName.split(' ').length === 1? supportedtypeName.toLowerCase() : supportedtypeName;
			}else{
				tagColor = 'gray';
			}

			return (<Tooltip orient='right' title={supportedtypeName} delay>
				<Tags tags={[{ value: supportedtypeName, label: supportedtypeName, color: tagColor }]} fullWidth={true} removable={false} />
			</Tooltip>);
		} else if (col === 3) {
			return (
				<div role="menu" tabIndex='0' className="iconWrapper" onKeyUp={ (e) => { this._openActionMenu(e, row); }}>
					<Tooltip title={this.props.stringGetter.get('assetActionMenu')} orient="right" delay>
						<SVGIcon iconId={menuOverflow16.id} rotate={90} className='menuIcon' id={`menuIconRow_${row}`} onClick={(e) => { this._openActionMenu(e); }}/>
					</Tooltip>
				</div>
			);
		} else {
			return (
				<TruncatedText
					value={this.state.data[row][col].label}
					title={this.state.data[row][col].label}
					location='end'
					className='cell_lastModified'
				/>
			);
		}
	}

	// Handler for waking the action menu while clicking the menu icon on each table row
	_openActionMenu(e, index=e.target.id.split('_')[1]) {
		e.stopPropagation();
		// If not a shift click, ctrl click or a right click or the user pressed enter on the context menu
		if((e.type == 'click' && !e.shiftKey && !e.ctrlKey && e.nativeEvent.which !== 3) || (e.type=='keyup' && e.keyCode === 13)) {
			this.setState({ menuLoading: true });
			e.persist();
			const { homeView, entryAssets } = this.props;
			let asset = entryAssets[index];

			if(homeView && homeView.requiresAssetVerification) {
				homeView.loadAssetContextMenu(asset, e).then(function() {
					this.setState({ menuLoading: false });
				}.bind(this));
			}
		}
	}

	// Handler to open the project via tabbing action
	_openEntryViaTabbing(e, index=e.target.id.split('_')[1]){
		e.stopPropagation();
		// If not a shift click, ctrl click or a right click or the user pressed enter on the context menu
		if((e.type == 'click' && !e.shiftKey && !e.ctrlKey && e.nativeEvent.which !== 3) || (e.type=='keyup' && e.keyCode === 13)) {
			e.persist();
			this._openEntry(index);
		}
	}

	// Handler for clicking the entry to open the detail page
	_openEntry(row){
		this.props.homeView.onTileClick(this.props.entryAssets[row]);
	}

	// Function used to render the table header
	_headerRenderer(col) {
		return (
			<div style={{ fontWeight: 'bold' }}>
				<TruncatedText
					value={this.state.headerData[col].label}
					location="end"
				/>
			</div>
		);
	}

	render() {

		/*
			Dynamic allocation for width division to avoid horizontal scrolling
			Original Proportion in design spec is: 544:205:314
			If necessary, reduced by 15% to make sure that moreButton won't be jumped outside of the table
		*/
		return (
			<Container gutter={[2, 0]} id="TableCaHome" style={{ 'padding': '0 !important' }}>
				<SimpleTable
					// eslint-disable-next-line react/no-string-refs
					ref='simpletable'
					height={this.props.height}
					rowLength={this.state.data.length}
					colToAddScopeRow={1}
					colLength={COL_LENGTH}
					cellRenderer={(row, col) => (
						<Container gutter={[1, 1]}>
							{this._cellRenderer(row, col)}
						</Container>
					)}
					headerRenderer={col => (
						<Container gutter={[1, 1]}>
							{this._headerRenderer(col)}
						</Container>
					)}
					onRowClick={row => this._openEntry(row) }
				/>
			</Container>
		);
	}
}