import {CSSObject, getTheme_v2} from '@sanity/ui/theme'

import {_responsive, rem, ThemeProps} from '../../styles'
import {focusRingStyle} from '../../styles/internal'
import {AvatarRootStyleProps, ResponsiveAvatarSizeStyleProps} from './types'

export const avatarStyle = {
  root: avatarRootStyle,
  arrow: avatarArrowStyle,
  bgStroke: avatarBgStrokeStyle,
  stroke: avatarStrokeStyle,
  initials: avatarInitialsStyle,
  image: avatarImageStyle,
}

function avatarArrowStyle(): CSSObject {
  return {
    'position': 'absolute',
    'boxSizing': 'border-box',
    'zIndex': '0',
    'opacity': '0',
    'transition': 'all 0.2s linear',
    'transform': 'rotate(-90deg) translate3d(0, 6px, 0)',
    'left': 0,
    'right': 0,
    'top': 0,
    'bottom': 0,

    '& > svg': {
      'width': '11px',
      'height': '7px',
      'position': 'absolute',
      'top': '-5px',
      'left': '50%',
      'transform': 'translateX(-6px)',

      '&:not([hidden])': {
        display: 'block',
      },
    },

    "[data-arrow-position='inside'] > &": {
      transform: 'rotate(-90deg) translate3d(0, 6px, 0)',
      opacity: '0',
    },

    "[data-arrow-position='top'] > &": {
      opacity: '1',
      transform: 'rotate(0deg)',
    },

    "[data-arrow-position='bottom'] > &": {
      opacity: '1',
      transform: 'rotate(-180deg)',
    },
  }
}

export function avatarRootStyle(props: AvatarRootStyleProps & ThemeProps): CSSObject {
  const {$color} = props
  const {avatar} = getTheme_v2(props.theme)

  return {
    '--avatar-bg-color': `var(--card-avatar-${$color}-bg-color)`,
    '--avatar-fg-color': `var(--card-avatar-${$color}-fg-color)`,

    'backgroundColor': 'var(--avatar-bg-color)',
    'position': 'relative',
    'boxSizing': 'border-box',
    'userSelect': 'none',
    'boxShadow': '0 0 0 1px var(--card-bg-color)',

    '&[data-status="inactive"]': {
      opacity: '0.5',
    },

    '&>svg': {
      '&:not([hidden])': {
        display: 'block',
      },
    },

    /* &:is(button) */
    '&[data-as="button"]': {
      'WebkitFontSmoothing': 'inherit',
      'appearance': 'none',
      'margin': 0,
      'padding': 0,
      'border': 0,
      'font': 'inherit',
      'color': 'inherit',
      'outline': 'none',

      '&:focus': {
        boxShadow: focusRingStyle({focusRing: avatar.focusRing}),
      },

      '&:focus:not(:focus-visible)': {
        boxShadow: 'none',
      },
    },
  }
}

export function responsiveAvatarSizeStyle(
  props: ResponsiveAvatarSizeStyleProps & ThemeProps,
): CSSObject[] {
  const {avatar, media} = getTheme_v2(props.theme)

  return _responsive(media, props.$size, (size) => {
    const avatarSize = avatar.sizes[size] || avatar.sizes[0]

    return {
      'width': rem(avatarSize.size),
      'height': rem(avatarSize.size),
      'borderRadius': rem(avatarSize.size / 2),

      '&>svg': {
        width: rem(avatarSize.size),
        height: rem(avatarSize.size),
        borderRadius: rem(avatarSize.size / 2),
      },
    }
  })
}

export function avatarImageStyle(): CSSObject {
  return {
    position: 'relative',
  }
}

export function avatarInitialsStyle(): CSSObject {
  return {
    'width': '100%',
    'height': '100%',
    'color': 'var(--avatar-fg-color)',
    'alignItems': 'center',
    'justifyContent': 'center',
    'textTransform': 'uppercase',
    'textAlign': 'center',
    'borderRadius': '50%',

    '&:not([hidden])': {
      display: 'flex',
    },
  }
}

function avatarBgStrokeStyle(): CSSObject {
  return {
    strokeWidth: '4px',
    stroke: 'var(--card-bg-color)',
  }
}

function avatarStrokeStyle(): CSSObject {
  return {
    'strokeWidth': '2px',
    'stroke': 'var(--avatar-bg-color)',

    '[data-status="editing"] &': {
      strokeDasharray: '2 4',
      strokeLinecap: 'round',
    },
  }
}