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

    render({ player }) {
        return (
            <svg
                class="skill-animation red"
                version="1.1"
                id="intercept"
                xmlns="http://www.w3.org/2000/svg"
                style={{
                    transform: player ? 'rotate3d(1, 0, 0, 180deg)' : '',
                }}
                viewBox="0 0 128 128">
                <filter id='interceptFilter'>
                    <feTurbulence type="turbulence" baseFrequency="0" numOctaves="1" result="turbulence"></feTurbulence>
                    <feDisplacementMap in2="turbulence" in="SourceGraphic" scale="1" xChannelSelector="R" yChannelSelector="G"></feDisplacementMap>
                </filter>
                <g filter="url(#interceptFilter)">
                    <circle cx="64" cy="128" r="48" />
                    <circle cx="64" cy="128" r="32" />
                    <circle cx="64" cy="128" r="16" />
                </g>
            </svg>
        );
    }

    componentDidMount() {
        this.animations.push(anime({
            targets: ['#intercept'],
            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: ['#intercept'],
            scale: 3,
            strokeWidth: 0,

            delay: TIMES.TARGET_DELAY_MS,
            duration: TIMES.TARGET_DURATION_MS,
            easing: 'easeInOutCubic',
        }));

        this.animations.push(anime({
            targets: ['#interceptFilter feTurbulence', '#interceptFilter feDisplacementMap'],
            baseFrequency: 2,
            scale: 10,
            numOctaves: 5,
            easing: 'easeOutSine',

            delay: TIMES.TARGET_DELAY_MS,
            duration: TIMES.TARGET_DURATION_MS,
        }));
    }

    // 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(Intercept);
