// Third-party Imports
import styled from '@emotion/styled'

// Config Imports
import themeConfig from '@configs/themeConfig'

// Util Imports
import { verticalLayoutClasses } from '@layouts/utils/layoutClasses'

const StyledHeader = styled.header`
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 100%;
  flex-shrink: 0;
  min-block-size: var(--header-height);

  &.${verticalLayoutClasses.headerContentCompact} {
    &.${verticalLayoutClasses.headerFloating}
      .${verticalLayoutClasses.navbar},
      &.${verticalLayoutClasses.headerDetached}
      .${verticalLayoutClasses.navbar},
      &.${verticalLayoutClasses.headerAttached}
      .${verticalLayoutClasses.navbar} {
      margin-inline: auto;
    }

    &.${verticalLayoutClasses.headerFloating}
      .${verticalLayoutClasses.navbar},
      &.${verticalLayoutClasses.headerFixed}.${verticalLayoutClasses.headerDetached}
      .${verticalLayoutClasses.navbar} {
      max-inline-size: calc(${themeConfig.compactContentWidth}px - ${2 * themeConfig.layoutPadding}px);
    }

    .${verticalLayoutClasses.navbar} {
      max-inline-size: ${themeConfig.compactContentWidth}px;
    }
  }

  &.${verticalLayoutClasses.headerFixed} {
    position: sticky;
    inset-block-start: 0;
    z-index: var(--header-z-index);

    &:not(.${verticalLayoutClasses.headerBlur}).scrolled.${verticalLayoutClasses.headerAttached},
      &:not(.${verticalLayoutClasses.headerBlur}).scrolled.${verticalLayoutClasses.headerDetached}
      .${verticalLayoutClasses.navbar} {
      background-color: var(--mui-palette-background-paper);
    }

    &.${verticalLayoutClasses.headerDetached}.scrolled .${verticalLayoutClasses.navbar} {
      box-shadow: var(--mui-customShadows-sm);

      [data-skin='bordered'] & {
        box-shadow: none;
        border-inline: 1px solid var(--border-color);
        border-block-end: 1px solid var(--border-color);
      }
    }
    &.${verticalLayoutClasses.headerDetached} .${verticalLayoutClasses.navbar} {
      border-end-start-radius: var(--border-radius);
      border-end-end-radius: var(--border-radius);
    }

    &.${verticalLayoutClasses.headerDetached}, &.${verticalLayoutClasses.headerFloating} {
      pointer-events: none;

      & .${verticalLayoutClasses.navbar} {
        pointer-events: auto;
      }
    }

    &.${verticalLayoutClasses.headerBlur} {
      &.scrolled.${verticalLayoutClasses.headerAttached},
        &.scrolled.${verticalLayoutClasses.headerDetached}
        .${verticalLayoutClasses.navbar},
        &.${verticalLayoutClasses.headerFloating}
        .${verticalLayoutClasses.navbar} {
        backdrop-filter: blur(6px);
        background-color: rgb(var(--background-color-rgb) / 0.88);
      }

      &.${verticalLayoutClasses.headerFloating} {
        &:before {
          content: '';
          position: absolute;
          z-index: -1;
          inset-block-start: 0;
          inset-inline: 0;
          block-size: 100%;
          background: linear-gradient(
            180deg,
            rgb(var(--mui-palette-background-defaultChannel) / 0.7) 44%,
            rgb(var(--mui-palette-background-defaultChannel) / 0.43) 73%,
            rgb(var(--mui-palette-background-defaultChannel) / 0)
          );
          backdrop-filter: blur(10px);
          mask: linear-gradient(
            var(--mui-palette-background-default),
            var(--mui-palette-background-default) 18%,
            transparent 100%
          );
        }
      }
    }

    &.${verticalLayoutClasses.headerAttached}.scrolled {
      box-shadow: var(--mui-customShadows-sm);

      [data-skin='bordered'] & {
        box-shadow: none;
        border-block-end: 1px solid var(--border-color);
      }
    }

    &.${verticalLayoutClasses.headerFloating}
      .${verticalLayoutClasses.navbar},
      &:not(.${verticalLayoutClasses.headerFloating}).${verticalLayoutClasses.headerAttached},
      &:not(.${verticalLayoutClasses.headerFloating}).${verticalLayoutClasses.headerDetached}
      .${verticalLayoutClasses.navbar} {
      ${({ theme }) =>
        `transition: ${theme.transitions.create(['box-shadow', 'border-width', 'padding-inline', 'backdrop-filter'])}`};
    }
    &:not(.${verticalLayoutClasses.headerFloating}).${verticalLayoutClasses.headerAttached}
      .${verticalLayoutClasses.navbar},
      &:not(.${verticalLayoutClasses.headerFloating}).${verticalLayoutClasses.headerDetached}.scrolled
      .${verticalLayoutClasses.navbar} {
      padding-inline: 16px;
    }
  }

  &.${verticalLayoutClasses.headerFloating} {
    padding-block-start: 16px;

    .${verticalLayoutClasses.navbar} {
      background-color: var(--mui-palette-background-paper);
      border-radius: var(--border-radius);
      padding-inline: 16px;
      box-shadow: var(--mui-customShadows-sm);

      [data-skin='bordered'] & {
        box-shadow: none;
        border: 1px solid var(--border-color);
      }
    }
  }

  &.${verticalLayoutClasses.headerFloating}
    .${verticalLayoutClasses.navbar},
    &.${verticalLayoutClasses.headerFixed}.${verticalLayoutClasses.headerDetached}
    .${verticalLayoutClasses.navbar} {
    inline-size: calc(100% - ${2 * themeConfig.layoutPadding}px);
  }

  &:not(.${verticalLayoutClasses.headerFloating}).${verticalLayoutClasses.headerStatic}
    .${verticalLayoutClasses.navbar} {
    padding-inline: 16px;
  }

  .${verticalLayoutClasses.navbar} {
    position: relative;
    padding-block: 8px;
    inline-size: 100%;
  }

  ${({ overrideStyles }) => overrideStyles}
`

export default StyledHeader
