import React from 'react';
import createReactClass from 'create-react-class';
import request from 'superagent';
import cx from 'classnames';

import Moment from 'moment';

const BrewLookup = createReactClass({
	getDefaultProps() {
		return {};
	},
	getInitialState() {
		return {
			query       : '',
			foundBrew   : null,
			searching   : false,
			error       : null,
			scriptCount : 0
		};
	},
	handleChange(e){
		this.setState({ query: e.target.value });
	},
	lookup(){
		this.setState({ searching: true, error: null, scriptCount: 0 });

		request.get(`/admin/lookup/${this.state.query}`)
			.then((res)=>{
				const foundBrew = res.body;
				const scriptCheck = foundBrew?.text.match(/(<\/?s)cript/g);
				this.setState({
					foundBrew   : foundBrew,
					scriptCount : scriptCheck?.length || 0,
				});
			})
			.catch((err)=>this.setState({ error: err }))
			.finally(()=>{
				this.setState({
					searching : false
				});
			});
	},

	async cleanScript(){
		if(!this.state.foundBrew?.shareId) return;

		await request.put(`/admin/clean/script/${this.state.foundBrew.shareId}`)
			.catch((err)=>{ this.setState({ error: err }); return; });

		this.lookup();
	},

	renderFoundBrew(){
		const brew = this.state.foundBrew;
		return <div className='result'>
			<dl>
				<dt>Title</dt>
				<dd>{brew.title}</dd>

				<dt>Authors</dt>
				<dd>{brew.authors.join(', ')}</dd>

				<dt>Edit Link</dt>
				<dd><a href={`/edit/${brew.editId}`} target='_blank' rel='noopener noreferrer'>/edit/{brew.editId}</a></dd>

				<dt>Share Link</dt>
				<dd><a href={`/share/${brew.shareId}`} target='_blank' rel='noopener noreferrer'>/share/{brew.shareId}</a></dd>

				<dt>Created Time</dt>
				<dd>{brew.createdAt ? Moment(brew.createdAt).toLocaleString() : 'No creation date'}</dd>

				<dt>Last Updated</dt>
				<dd>{Moment(brew.updatedAt).fromNow()}</dd>

				<dt>Num of Views</dt>
				<dd>{brew.views}</dd>

				<dt>SCRIPT tags detected</dt>
				<dd>{this.state.scriptCount}</dd>
			</dl>
			{this.state.scriptCount > 0 &&
				<div className='cleanButton'>
					<button onClick={this.cleanScript}>CLEAN BREW</button>
				</div>
			}
		</div>;
	},

	render(){
		return <div className='brewUtil brewLookup'>
			<h2>Brew Lookup</h2>
			<input type='text' value={this.state.query} onChange={this.handleChange} placeholder='edit or share id' />
			<button onClick={this.lookup}>
				<i className={cx('fas', {
					'fa-search'          : !this.state.searching,
					'fa-spin fa-spinner' : this.state.searching,
				})} />
			</button>

			{this.state.error
				&& <div className='error'>{this.state.error.toString()}</div>
			}

			{this.state.foundBrew
				? this.renderFoundBrew()
				: <div className='result noBrew'>No brew found.</div>
			}
		</div>;
	}
});

export default BrewLookup;
