import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import * as _ from 'lodash';
import { action, IReactionDisposer, observable, reaction, runInAction } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { DocumentType } from '../../documents/DocumentTypes';
import '../global/globalCssVariables.scss';
import { IconBar } from './IconBar';
import './IconButton.scss';
import './SearchBox.scss';

interface iconButtonProps {
    type: string;
}

@observer
export class IconButton extends React.Component<iconButtonProps> {
    @observable private _isSelected: boolean = IconBar.Instance.getIcons().indexOf(this.props.type) !== -1;
    @observable private _hover = false;
    private _resetReaction?: IReactionDisposer;
    private _selectAllReaction?: IReactionDisposer;

    static Instance: IconButton;
    constructor(props: iconButtonProps) {
        super(props);
        IconButton.Instance = this;
    }

    componentDidMount = () => {
        this._resetReaction = reaction(
            () => IconBar.Instance._resetClicked,
            action(() => {
                if (IconBar.Instance._resetClicked) {
                    this._isSelected = false;
                    IconBar.Instance._reset++;
                    if (IconBar.Instance._reset === 9) {
                        IconBar.Instance._reset = 0;
                        IconBar.Instance._resetClicked = false;
                    }
                }
            })
        );

        this._selectAllReaction = reaction(
            () => IconBar.Instance._selectAllClicked,
            action(() => {
                if (IconBar.Instance._selectAllClicked) {
                    this._isSelected = true;
                    IconBar.Instance._select++;
                    if (IconBar.Instance._select === 9) {
                        IconBar.Instance._select = 0;
                        IconBar.Instance._selectAllClicked = false;
                    }
                }
            })
        );
    };

    @action.bound
    getIcon() {
        switch (this.props.type) {
            case DocumentType.NONE:  return 'ban';
            case DocumentType.AUDIO: return 'music';
            case DocumentType.COL:   return 'object-group';
            case DocumentType.IMG:   return 'image';
            case DocumentType.LINK:  return 'link';
            case DocumentType.PDF:   return 'file-pdf';
            case DocumentType.RTF:   return 'sticky-note';
            case DocumentType.VID:   return 'video';
            case DocumentType.WEB:   return 'globe-asia';
            case DocumentType.MAP:   return 'map-marker-alt';
            default:                 return 'caret-down';
        } // prettier-ignore
    }

    @action.bound
    onClick = () => {
        const newList: string[] = IconBar.Instance.getIcons();

        if (!this._isSelected) {
            this._isSelected = true;
            newList.push(this.props.type);
        } else {
            this._isSelected = false;
            _.pull(newList, this.props.type);
        }

        IconBar.Instance.updateIcon(newList);
    };

    selected = {
        opacity: 1,
        backgroundColor: '#121721',
        //backgroundColor: "rgb(128, 128, 128)"
    };

    notSelected = {
        opacity: 0.2,
        backgroundColor: '#121721',
    };

    hoverStyle = {
        opacity: 1,
        backgroundColor: 'rgb(128, 128, 128)',
        //backgroundColor: "rgb(178, 206, 248)" //$medium-blue
    };

    render() {
        return (
            <div className="type-outer" id={this.props.type + '-filter'} onMouseEnter={() => (this._hover = true)} onMouseLeave={() => (this._hover = false)} onClick={this.onClick}>
                <div className="type-icon" id={this.props.type + '-icon'} style={this._hover ? this.hoverStyle : this._isSelected ? this.selected : this.notSelected}>
                    <FontAwesomeIcon className="fontawesome-icon" icon={this.getIcon()} />
                </div>
                {/* <div className="filter-description">{this.props.type}</div> */}
            </div>
        );
    }
}