const preact = require('preact');
const { Component } = require('preact');
const anime = require('animejs').default;
const { connect } = require('preact-redux');

const { TIMES } = require('../../constants');

const addState = connect(
    function receiveState(state) {
        const { animCb } = state;
        return { animCb };
    }
);

class Refl extends Component {
    constructor() {
        super();
        this.animations = [];
    }

    render({ team }) {
        const oneX = anime.random(32, 96);
        const twoX = anime.random(192, 224);

        return (
            <svg
                class='skill-animation'
                version="1.1"
                id="reflect"
                xmlns="http://www.w3.org/2000/svg"
                style={{ transform: team ? '' : 'rotate3d(1, 0, 0, 180deg)' }}
                viewBox="0 0 256 256">
                <defs>
                    <filter id="reflectFilterGreen">
                        <feGaussianBlur stdDeviation="3"/>
                        <feColorMatrix mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="cutoff"/>
                        <feComposite operator="atop" in="SourceGraphic" in2="cutoff"/>
                    </filter>
                </defs>
                <g filter="url(#reflectFilterGreen)">
                    <rect class="green" x="32" y="64" width="192" height="1" />
                    <path class="blue"
                        d={`M${oneX},20 L${oneX * 1.5},64 L${oneX * 2},20`}
                        style={{ 'stroke-dasharray': anime.random(48, 64) }} />
                    <path class="blue"
                        d={`M${twoX},20 L${twoX * 0.75},64 L${twoX * 0.5},20`}
                        style={{ 'stroke-dasharray': anime.random(48, 64) }} />
                </g>
            </svg>
        );
    }

    componentDidMount() {
        this.animations.push(anime({
            targets: ['#reflect'],
            opacity: [
                { value: 1, delay: TIMES.TARGET_DELAY_MS, duration: TIMES.TARGET_DURATION_MS * 0.2 },
                { value: 0, delay: TIMES.TARGET_DURATION_MS * 0.6, duration: TIMES.TARGET_DURATION_MS * 0.2 },
            ],
            easing: 'easeInOutSine',
        }));

        this.animations.push(anime({
            targets: ['#reflect path'],
            strokeDashoffset: [0, 1000],
            easing: 'linear',
            duration: TIMES.TARGET_DURATION_MS * 2,
            delay: anime.stagger(200),
        }));
    }

    // this is necessary because
    // skipping / timing / unmounting race conditions
    // can cause the animations to cut short, this will ensure the values are reset
    // because preact will recycle all these components
    componentWillUnmount() {
        for (let i = this.animations.length - 1; i >= 0; i--) {
            this.animations[i].reset();
        }
        this.props.animCb && this.props.animCb();
    }
}

module.exports = addState(Refl);
