import PropTypes from "prop-types";
import React from "react";
import { Image } from "react-konva";

class ImageComponent extends React.Component {
  static imageCaches = {};
  static propTypes = {
    src: PropTypes.string.isRequired,
    x: PropTypes.number.isRequired,
    y: PropTypes.number.isRequired,
    width: PropTypes.number.isRequired,
    height: PropTypes.number.isRequired,
    opacity: PropTypes.number.isRequired
  };

  state = {
    image: null
  };

  componentDidMount() {
    if (ImageComponent.imageCaches[this.props.src]) {
      this.setState({ image: ImageComponent.imageCaches[this.props.src] });
      return;
    }

    const image = new window.Image();
    image.src = this.props.src;
    image.onload = () => {
      this.setState({ image });
      ImageComponent.imageCaches[this.props.src] = image;
    };
  }

  render() {
    return (
      <Image
        image={this.state.image}
        x={this.props.x}
        y={this.props.y}
        width={this.props.width}
        height={this.props.height}
        opacity={this.props.opacity}
      />
    );
  }
}

export default ImageComponent;