import { Button as MuiButton, withStyles } from '@material-ui/core';
import { darken } from '@material-ui/core/styles';
import * as React from 'react';
import { Link } from 'react-router-dom';

class Button extends React.Component {
  // TODO: Implement
  shouldComponentUpdate() {
    return true;
  }

  render() {
    const {
      classes, href, icon, ...otherProps
    } = this.props;

    const buttonContent = (
      <div className={classes.buttonChildrenContainer}>
        {icon && (
          <div className={classes.buttonIcon}>
            <img
              alt="button-icon"
              className={classes.buttonIconImg}
              src={icon}
            />
          </div>
        )}
        <div className={classes.buttonText}>{this.props.children}</div>
      </div>
    );

    return href ? (
      <Link to={`/${href}`}>
        <MuiButton
          className={classes.root}
          color="primary"
          fullWidth
          variant="contained"
          {...otherProps}
        >
          {buttonContent}
        </MuiButton>
      </Link>
    ) : (
      <MuiButton
        className={classes.root}
        color="primary"
        fullWidth
        variant="contained"
        {...this.props}
      >
        {buttonContent}
      </MuiButton>
    );
  }
}

const styles = (theme) => ({
  buttonChildrenContainer: {
    display: 'flex',
    height: 48,
    width: '100%'
  },
  buttonIcon: {
    backgroundColor: 'white',
    borderRadius: '3px 0 0 3px',
    padding: '10px 4px',
    width: 48
  },
  buttonIconImg: {
    maxHeight: '100%',
    maxWidth: '100%'
  },
  buttonText: {
    flex: 1,
    fontSize: 16,
    paddingTop: 10,
    textAlign: 'center'
  },
  root: {
    '&:hover': {
      backgroundColor: darken(theme.palette.secondary.main, 0.1)
    },
    backgroundColor: theme.palette.secondary.main,
    boxShadow: 'none',
    padding: 2,
    textTransform: 'none'
  }
});

export default withStyles(styles, { withTheme: true })(Button);