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

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

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

    render() {
        const path = 'M0,100 C100,100 100,100 200,100';

        return (
            <svg
                class='skill-animation white'
                version="1.1"
                id="stun"
                xmlns="http://www.w3.org/2000/svg"
                viewBox="-291 -291 582 582">
                <filter id="stunFilter">
                    <feTurbulence type="turbulence" baseFrequency="0.02" numOctaves="8" result="turbulence" style="transform: scale(1);"></feTurbulence>
                    <feDisplacementMap in2="turbulence" in="SourceGraphic" scale="2" xChannelSelector="R" yChannelSelector="G"></feDisplacementMap>
                </filter>
                <g>
                <path filter='url("#stunFilter")'
                    d="M3.6 0c.23-2.93-1.9-4.9-4.8-4.77S-6.37-1.87-6.33 1.3s2.92 7.1 8.03 7 9.4-4.78 9.2-10.5-5-11.95-13.4-12.1S-18.77-6.88-18.85 3.3-10.05 24.97 4.8 24.74 32.78 11.38 32.5-6.5 16.15-42.7-7.8-42.7-55.7-22.02-56.2 9.7s27.3 65 72 64 82.32-42.78 81-92.3S55.41-126.63-23-127.4-168.4-56.97-167.6 30.3s65.85 166.15 161.27 186S246.55 187.18 284.83 0"
                />
                <path filter='url("#stunFilter")'
                    d="M3.6 0c.23-2.93-1.9-4.9-4.8-4.77S-6.37-1.87-6.33 1.3s2.92 7.1 8.03 7 9.4-4.78 9.2-10.5-5-11.95-13.4-12.1S-18.77-6.88-18.85 3.3-10.05 24.97 4.8 24.74 32.78 11.38 32.5-6.5 16.15-42.7-7.8-42.7-55.7-22.02-56.2 9.7s27.3 65 72 64 82.32-42.78 81-92.3S55.41-126.63-23-127.4-168.4-56.97-167.6 30.3s65.85 166.15 161.27 186S246.55 187.18 284.83 0"
                    transform="scale(0.75)"
                    style="opacity: 0.75"
                />
                <path filter='url("#stunFilter")'
                    d="M3.6 0c.23-2.93-1.9-4.9-4.8-4.77S-6.37-1.87-6.33 1.3s2.92 7.1 8.03 7 9.4-4.78 9.2-10.5-5-11.95-13.4-12.1S-18.77-6.88-18.85 3.3-10.05 24.97 4.8 24.74 32.78 11.38 32.5-6.5 16.15-42.7-7.8-42.7-55.7-22.02-56.2 9.7s27.3 65 72 64 82.32-42.78 81-92.3S55.41-126.63-23-127.4-168.4-56.97-167.6 30.3s65.85 166.15 161.27 186S246.55 187.18 284.83 0"
                    transform="scale(0.5)"
                    style="opacity: 0.5"
                />
                </g>
            </svg>
        );
    }

    componentDidMount() {
        this.animations.push(anime({
            targets: ['#stun'],
            opacity: 1,
            easing: 'easeInSine',
            duration: TIMES.TARGET_DELAY_MS,
        }));

        this.animations.push(anime({
            targets: ['#stun'],
            rotate: 180,
            easing: 'easeInSine',

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

        this.animations.push(anime({
            targets: ['#stunFilter feTurbulence', '#stunFilter feDisplacementMap'],
            baseFrequency: 0.4,
            scale: 5,
            easing: 'easeInOutExpo',

            duration: TIMES.TARGET_DURATION_MS,
            delay: TIMES.TARGET_DELAY_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();
        }
    }
}

module.exports = Stun;
