/* eslint-disable prefer-destructuring */
/**
=========================================================
* Material Dashboard 2 PRO React - v2.0.0
=========================================================

* Product Page: https://www.creative-tim.com/product/material-dashboard-pro-react
* Copyright 2021 Creative Tim (https://www.creative-tim.com)

Coded by www.creative-tim.com

 =========================================================

* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*/

// @mui material components
import Button from '@mui/material/Button';
import { styled } from '@mui/material/styles';

export default styled(Button)(({ theme, ownerState }) => {
  const { palette, functions, borders, boxShadows } = theme;
  const { color, variant, size, circular, iconOnly, darkMode } = ownerState;

  const { white, text, transparent, gradients, grey } = palette;
  const { boxShadow, linearGradient, pxToRem, rgba } = functions;
  const { borderRadius } = borders;
  const { colored } = boxShadows;

  // styles for the button with variant="contained"
  const containedStyles = () => {
    // background color value
    const backgroundValue = palette[color] ? palette[color].main : white.main;

    // backgroundColor value when button is focused
    const focusedBackgroundValue = palette[color] ? palette[color].focus : white.focus;

    // boxShadow value
    const boxShadowValue = colored[color]
      ? `${boxShadow([0, 3], [3, 0], palette[color].main, 0.15)}, ${boxShadow(
        [0, 3],
        [1, -2],
        palette[color].main,
        0.2
      )}, ${boxShadow([0, 1], [5, 0], palette[color].main, 0.15)}`
      : 'none';

    // boxShadow value when button is hovered
    const hoveredBoxShadowValue = colored[color]
      ? `${boxShadow([0, 14], [26, -12], palette[color].main, 0.4)}, ${boxShadow(
        [0, 4],
        [23, 0],
        palette[color].main,
        0.15
      )}, ${boxShadow([0, 8], [10, -5], palette[color].main, 0.2)}`
      : 'none';

    // color value
    let colorValue = white.main;

    if (!darkMode && (color === 'white' || color === 'light' || !palette[color])) {
      colorValue = text.main;
    } else if (darkMode && (color === 'white' || color === 'light' || !palette[color])) {
      colorValue = grey[600];
    }

    // color value when button is focused
    let focusedColorValue = white.main;

    if (color === 'white') {
      focusedColorValue = text.main;
    } else if (color === 'primary' || color === 'error' || color === 'dark') {
      focusedColorValue = white.main;
    }

    return {
      background: backgroundValue,
      color: colorValue,
      boxShadow: boxShadowValue,

      '&:hover': {
        backgroundColor: backgroundValue,
        boxShadow: hoveredBoxShadowValue
      },

      '&:focus:not(:hover)': {
        backgroundColor: focusedBackgroundValue,
        boxShadow: palette[color]
          ? boxShadow([0, 0], [0, 3.2], palette[color].main, 0.5)
          : boxShadow([0, 0], [0, 3.2], white.main, 0.5)
      },

      '&:disabled': {
        backgroundColor: backgroundValue,
        color: focusedColorValue
      }
    };
  };

  // styles for the button with variant="outlined"
  const outliedStyles = () => {
    // background color value
    const backgroundValue = color === 'white' ? rgba(white.main, 0.1) : transparent.main;

    // color value
    const colorValue = palette[color] ? palette[color].main : white.main;

    // boxShadow value
    const boxShadowValue = palette[color]
      ? boxShadow([0, 0], [0, 3.2], palette[color].main, 0.5)
      : boxShadow([0, 0], [0, 3.2], white.main, 0.5);

    // border color value
    let borderColorValue = palette[color] ? palette[color].main : rgba(white.main, 0.75);

    if (color === 'white') {
      borderColorValue = rgba(white.main, 0.75);
    }

    return {
      background: backgroundValue,
      color: colorValue,
      borderColor: borderColorValue,

      '&:hover': {
        background: transparent.main,
        borderColor: colorValue
      },

      '&:focus:not(:hover)': {
        background: transparent.main,
        boxShadow: boxShadowValue
      },

      '&:active:not(:hover)': {
        backgroundColor: colorValue,
        color: white.main,
        opacity: 0.85
      },

      '&:disabled': {
        color: colorValue,
        borderColor: colorValue
      }
    };
  };

  // styles for the button with variant="gradient"
  const gradientStyles = () => {
    // background value
    const backgroundValue =
      color === 'white' || !gradients[color]
        ? white.main
        : linearGradient(gradients[color].main, gradients[color].state);

    // boxShadow value
    const boxShadowValue = colored[color]
      ? `${boxShadow([0, 3], [3, 0], palette[color].main, 0.15)}, ${boxShadow(
        [0, 3],
        [1, -2],
        palette[color].main,
        0.2
      )}, ${boxShadow([0, 1], [5, 0], palette[color].main, 0.15)}`
      : 'none';

    // boxShadow value when button is hovered
    const hoveredBoxShadowValue = colored[color]
      ? `${boxShadow([0, 14], [26, -12], palette[color].main, 0.4)}, ${boxShadow(
        [0, 4],
        [23, 0],
        palette[color].main,
        0.15
      )}, ${boxShadow([0, 8], [10, -5], palette[color].main, 0.2)}`
      : 'none';

    // color value
    let colorValue = white.main;

    if (color === 'white') {
      colorValue = text.main;
    } else if (color === 'light') {
      colorValue = gradients.dark.state;
    }

    return {
      background: backgroundValue,
      color: colorValue,
      boxShadow: boxShadowValue,

      '&:hover': {
        boxShadow: hoveredBoxShadowValue
      },

      '&:focus:not(:hover)': {
        boxShadow: boxShadowValue
      },

      '&:disabled': {
        background: backgroundValue,
        color: colorValue
      }
    };
  };

  // styles for the button with variant="text"
  const textStyles = () => {
    // color value
    const colorValue = palette[color] ? palette[color].main : white.main;

    // color value when button is focused
    const focusedColorValue = palette[color] ? palette[color].focus : white.focus;

    return {
      color: colorValue,

      '&:hover': {
        color: focusedColorValue
      },

      '&:focus:not(:hover)': {
        color: focusedColorValue
      }
    };
  };

  // styles for the button with circular={true}
  const circularStyles = () => ({
    borderRadius: borderRadius.section
  });

  // styles for the button with iconOnly={true}
  const iconOnlyStyles = () => {
    // width, height, minWidth and minHeight values
    let sizeValue = pxToRem(38);

    if (size === 'small') {
      sizeValue = pxToRem(25.4);
    } else if (size === 'large') {
      sizeValue = pxToRem(52);
    }

    // padding value
    let paddingValue = `${pxToRem(11)} ${pxToRem(11)} ${pxToRem(10)}`;

    if (size === 'small') {
      paddingValue = pxToRem(4.5);
    } else if (size === 'large') {
      paddingValue = pxToRem(16);
    }

    return {
      width: sizeValue,
      minWidth: sizeValue,
      height: sizeValue,
      minHeight: sizeValue,
      padding: paddingValue,

      '& .material-icons': {
        marginTop: 0
      },

      '&:hover, &:focus, &:active': {
        transform: 'none'
      }
    };
  };

  return {
    ...(variant === 'contained' && containedStyles()),
    ...(variant === 'outlined' && outliedStyles()),
    ...(variant === 'gradient' && gradientStyles()),
    ...(variant === 'text' && textStyles()),
    ...(circular && circularStyles()),
    ...(iconOnly && iconOnlyStyles())
  };
});