import { css } from 'styled-components';
import { VariantOfType } from '../../variants';

export const CssFocus = css`
  &:focus-visible {
    outline: 3px solid var(--color-neutral-800);
    outline-offset: 0;
  }
`;

export const CssActive = css`
`;

export const CssDisabled = css`
  &:disabled,
  &.disabled {
    pointer-events: none;
    opacity: 0.5;
  }
`;

export const CssDefault = css`
  display: inline-flex;
  align-items: center;
  column-gap: 0.5em;
  font-size: 1em;
  line-height: normal;
  color: inherit;
  transition: ease 150ms;
  transition-property: background-color, border-color, color, opacity, text-decoration-color, text-underline-offset;
  cursor: pointer;

  ${CssFocus}
  ${CssActive}
  ${CssDisabled}
`;

export const CssResponsive = css`
  @media (max-width: 399.9px) {
    display: flex;
    justify-content: center;
    align-items: center;
  }
`;

export const CssSvg = css`
  svg {
    width: 1em;
    height: 1em;
    // margin: 0 0.3em;
    transition: transform ease-in-out 200ms;

    /*
    &:first-child {
      margin-left: 0;
    }

    &:last-child {
      margin-right: 0;
    }
    */
  }

  // .card:hover &,
  &:hover,
  &.active {
    svg {
      transform: scale(1.1);
    }
  }
`;

export const CssUnderline = css`
  text-decoration: underline 0.1em rgba(0, 0, 0, 0);
  text-underline-offset: 0.1em;

  &:hover,
  &.active {
    text-decoration-color: currentColor;
    text-underline-offset: 0.3em;
  }
`;

export const CssUnderlineInverted = css`
  text-decoration: underline 0.1em currentColor;
  text-underline-offset: 0.1em;

  &:hover,
  &.active {
    text-decoration-color: rgba(0, 0, 0, 0);
    text-underline-offset: 0.3em;
  }
`;

export const CssBackgroundUnderline2 = css`
  &>* {
    display: inline;
    background-image: linear-gradient(90deg, var(--color-secondary-500), currentColor);
    background-repeat: no-repeat;
    background-position: bottom left;
    background-size: 0% 0.1em;
    transition: background-size 500ms cubic-bezier(0,.97,.43,1);
  }

  // .card:hover &,
  &:hover {
    &>* {
      background-size: 100% 0.1em;
    }
  }
`;

export const CssBackgroundUnderline = css`
  .text[data-text] {
    position: relative;
    &:after {
      content: attr(data-text);
      position: absolute;
      display: inline-flex;
      top: 0;
      left: 0;
      background:
      linear-gradient(to right, transparent, transparent),
      linear-gradient(to right, var(--color-neutral-800), var(--color-neutral-800));
      background-size: 100% 0.05em, 0 0.05em;
      background-position: 100% 100%, 0 100%;
      background-repeat: no-repeat;
      transition: var(--transition-smooth);
      transition-property: background-size;
      color: red;
    }
  }

  &:hover,
  &:focus {
    .text[data-text] {
        &:after {
        background-size: 0 0.05em, 100% 0.05em;
      }
    }
  }
`;

export const CssAfter = css`
  &:after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1.1px;
    background: currentColor;
    transform: scale(0, 1);
    transform-origin: left;
    transition: transform 500ms cubic-bezier(0,.97,.43,1);
    will-change: transform;
  }

  // .card:hover &,
  &:hover,
  &.active {
    &:after {
      transform: scale(1, 1);
    }
  }
`;

export const CssAfterInverted = css`
  &:after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1.1px;
    background: currentColor;
    transform: scale(1, 1);
    transform-origin: left;
    transition: transform 500ms cubic-bezier(0,.97,.43,1);
    will-change: transform;
  }

  // .card:hover &,
  &:hover,
  &.active {
    &:after {
      transform: scale(0, 1);
    }
  }
`;

export const CssButtonDefault = css`
  padding: 0.4em 1em;
  border-radius: var(--button-border-radius);
  color: var(--color-primary-500);
  border: 2px solid var(--color-primary-100);

  // .card:hover &,
  &:hover,
  &.active {
    color: var(--color-primary-600);
    border-color: var(--color-primary-200);
  }

  ${CssSvg}
`;

export const CssButtonPrimary = css`
  padding: 0.4em 1em;
  border-radius: var(--button-border-radius);
  border: 2px solid transparent;

  border-color: var(--color-primary-500);
  background-color: var(--color-primary-500);
  color: var(--color-neutral-100);

  // .card:hover &,
  &:hover,
  &.active {
    border-color: var(--color-primary-600);
    background-color: var(--color-primary-600);
    color: var(--color-neutral-100);
  }

  ${CssSvg}
  ${CssResponsive}
`;

export const CssButtonSecondary = css`
  padding: 0.4em 1em;
  border-radius: var(--button-border-radius);
  border: 2px solid var(--color-primary-100);
  background: var(--color-primary-100);
  color: var(--color-primary-500);

  // .card:hover &,
  &:hover,
  &.active {
    border-color: var(--color-primary-200);
    background-color: var(--color-primary-200);
    color: var(--color-primary-600);
  }

  ${CssSvg}
  ${CssResponsive}
`;

export const CssButtonOutline = css`
  padding: 0.4em 1em;
  border-radius: var(--button-border-radius);
  border: 2px solid var(--color-primary-400);
  background: transparent;
  color: var(--color-primary-500);

  // .card:hover &,
  &:hover,
  &.active {
    border-color: var(--color-primary-500);
    background-color: transparent;
    color: var(--color-primary-600);
  }

  ${CssSvg}
  ${CssResponsive}
`;

export const CssButtonGhost = css`
  padding: 0.4em 1em;
  border-radius: var(--button-border-radius);
  border: 2px solid transparent;
  background: transparent;
  color: var(--color-neutral-700);

  // .card:hover &,
  &:hover,
  &.active {
    border-color: var(--color-neutral-300);
    background-color: transparent;
    color: var(--color-neutral-900);
  }

  ${CssSvg}
  ${CssResponsive}
`;

export const CssButtonLink = css`
  position: relative;
  color: var(--color-primary-500);

  // .card:hover &,
  &:hover,
  &.active {
    color: var(--color-primary-600);
  }

  ${CssUnderline}
  ${CssSvg}
`;

export const CssButtonUnderline = css`
  position: relative;
  color: var(--color-neutral-800);

  // .card:hover &,
  &:hover,
  &.active {
    color: var(--color-neutral-900);
  }

  ${CssUnderlineInverted}
  ${CssSvg}
`;

export const CssButtonNav = css`
  position: relative;

  ${CssUnderline}
  ${CssSvg}
  `;

export const CssButtonNavInverted = css`
  position: relative;

  ${CssUnderlineInverted}
  ${CssSvg}
  `;

export const CssButtonCircle = css`
  justify-content: center;
  width: 3em;
  height: 3em;
  border-radius: 50%;
  border: 2px solid var(--color-neutral-200);
  background: var(--color-neutral-200);
  color: var(--color-neutral-700);

  &>span {
    font-size: 0;
  }

  // .card:hover &,
  &:hover,
  &.active {
    border-color: var(--color-neutral-400);
    color: var(--color-neutral-900);
  }

  ${CssSvg}
`;

export const CssButtonToggle = css`
  &:not(.active) {
    opacity: 0.2;
  }
`;

export const buttonVariants = {
  default: CssButtonDefault,
  primary: CssButtonPrimary,
  secondary: CssButtonSecondary,
  outline: CssButtonOutline,
  ghost: CssButtonGhost,
  link: CssButtonLink,
  underline: CssButtonUnderline,
  nav: CssButtonNav,
  circle: CssButtonCircle,
  toggle: CssButtonToggle,
};

export type IButtonVariants = VariantOfType<typeof buttonVariants>;