---
import BaseLayout from './BaseLayout.astro'
import { Icon } from 'astro-icon/components'

interface Props {
  title?: string
  withGap?: boolean
}

const { title = '小帕的小窝', withGap = false } = Astro.props
---

<BaseLayout title={title}>
  <div class="nav-mobile" aria-hidden="true" transition:persist>
    <button
      id="nav-mobile-button"
      onclick="document.getElementById('nav-main').classList.remove('nav-container-hidden')"
      ><Icon name="mdi:menu-close" /></button
    >
    <a href="/">小帕的小窝</a>
  </div>
  <div
    id="nav-main"
    class="nav-container nav-container-hidden"
    transition:persist
  >
    <nav>
      <ul class="left">
        <li class="website-logo">
          <a href="/">小帕的小窝</a>
        </li>
        <li>
          <a href="/blogs"><Icon name="mdi:invoice-text-outline" />文章</a>
        </li>
        <li>
          <a href="/about"
            ><Icon name="mdi:information-slab-circle-outline" />关于</a
          >
        </li>
      </ul>
      <ul class="right">
        <li>
          <a href="https://legacy.passthem.top"
            ><Icon name="mdi:history" /> 旧博客系统*</a
          >
        </li>
        <li>
          <a href="/rss.xml">
            <Icon name="material-symbols:rss-feed" /> 博客 RSS
          </a>
        </li>
      </ul>
    </nav>
  </div>
  <div
    class="loading-indicator hidden"
    id="loading-indicator"
    aria-hidden="true"
    transition:persist
  >
  </div>
  <main>
    {withGap && <div aria-hidden="true" class="layout-gap" />}
    <slot />
  </main>
</BaseLayout>

<script>
  const navClose = () => {
    const navMain = document.getElementById('nav-main')
    navMain?.classList.add('nav-container-hidden')
  }

  const navOpen = () => {
    const navMain = document.getElementById('nav-main')
    navMain?.classList.remove('nav-container-hidden')
  }

  document.getElementById('nav-main')?.addEventListener('click', (e) => {
    const target = e.target as HTMLElement
    if (target.id == 'nav-main') {
      document.getElementById('nav-main')?.classList.add('nav-container-hidden')
    }
  })

  document.getElementById('nav-main')?.addEventListener('focusin', navOpen)
  document.getElementById('nav-main')?.addEventListener('focusout', (e) => {
    if (
      e.relatedTarget &&
      !document
        .getElementById('nav-main')
        ?.contains(e.relatedTarget as HTMLElement)
    ) {
      navClose()
    }
  })

  document.addEventListener('astro:before-preparation', () => {
    document.getElementById('loading-indicator')?.classList.remove('hidden')
  })

  document.addEventListener('astro:after-swap', () => {
    requestAnimationFrame(navClose)
    document.getElementById('loading-indicator')?.classList.add('hidden')
  })

  document.addEventListener('astro:page-load', () => {
    document.querySelectorAll('#nav-main li:has(a)').forEach((li) => {
      const child = li.querySelector('a')
      if (!child) {
        li.classList.add('url-here')
        return
      }
      if (
        window.location.href.replace(/\/$/, '') == child.href.replace(/\/$/, '')
      ) {
        li.classList.add('url-here')
      } else {
        li.classList.remove('url-here')
      }
    })
  })
</script>

<style>
  .nav-container {
    inline-size: 100dvi;
    block-size: 3rem;
    position: fixed;
    z-index: 10000;
    backdrop-filter: blur(4px);
    background-color: rgb(from var(--color-bg-n) r g b / 0.5);

    @media (width < 768px) {
      block-size: 100dvh;
      background-color: #00000033;
      transition:
        background-color ease 0.2s,
        backdrop-filter ease 0.2s;
    }

    &.nav-container-hidden {
      @media (width < 768px) {
        backdrop-filter: blur(0px);
        background-color: transparent;
        pointer-events: none;
      }
    }

    & > nav {
      inline-size: 100%;
      block-size: 100%;
      padding-inline: 40px;

      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
      max-inline-size: 1400px;
      margin-inline: auto;

      font-weight: 400;

      @media (width < 768px) {
        flex-direction: column;
        padding-block: 5rem;
        padding-inline: 2rem;
        align-items: start;
        inline-size: 70%;
        background-color: var(--color-bg-n);
        margin-inline-start: 0;
        font-size: larger;
        transition: transform cubic-bezier(0.4, 1, 0.4, 1) 0.4s;
      }

      .nav-container-hidden & {
        @media (width < 768px) {
          transform: translateX(-80dvi);
        }
      }

      & > ul {
        display: flex;
        flex-direction: row;

        @media (width < 768px) {
          flex-direction: column;
          gap: 0.25rem;
          inline-size: 100%;
        }
      }

      & li {
        height: 2rem;

        @media (width < 768px) {
          height: 3rem;
          inline-size: 100%;
        }

        &:hover {
          background-color: rgb(from var(--color-fg-0) r g b / 0.1);
        }

        &.url-here {
          color: var(--color-blue);
          background-color: rgb(from var(--color-blue) r g b / 0.1);
        }

        & > a {
          padding-inline: 0.75rem;
          inline-size: 100%;
          block-size: 100%;
          display: flex;
          align-items: center;
          gap: 0.25rem;

          & > svg {
            font-size: 1.5rem;
          }
        }
      }

      & .website-logo > a {
        gap: 0.5rem;
        font-weight: 600;

        /* & > .logo { */
        /*   --size: 2.5rem; */
        /**/
        /*   width: var(--size); */
        /*   height: var(--size); */
        /*   display: inline-block; */
        /* } */
      }
    }
  }

  .nav-mobile {
    inline-size: 100dvw;
    block-size: 4rem;
    position: fixed;
    z-index: 100;
    backdrop-filter: blur(4px);
    background-color: rgb(from var(--color-bg-n) r g b / 0.5);
    font-size: larger;

    display: flex;
    flex-direction: row;
    align-items: center;
    padding-inline: 1rem;
    gap: 0.5rem;

    & > button {
      inline-size: 3rem;
      aspect-ratio: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      cursor: pointer;

      &:active,
      &:hover {
        background-color: rgb(from var(--color-fg-0) r g b / 0.1);
      }
    }

    & > a {
      font-weight: 600;

      &:active,
      &:hover {
        background-color: rgb(from var(--color-fg-0) r g b / 0.1);
      }
    }

    @media (width >= 768px) {
      display: none;
    }
  }

  .loading-indicator {
    --color1: oklch(from var(--color-blue) 0.7 0.17 h);
    --color2: oklch(from var(--color-blue) 0.57 0.25 h);
    --loading-x-size: 2rem;
    --loading-height: 0.25rem;

    position: fixed;
    height: var(--loading-height);
    background-color: var(--color1);
    inset-inline-start: 0;
    inset-inline-end: 0;
    inset-block-start: 0;
    z-index: 10001;
    background-image: linear-gradient(
      -45deg,
      transparent 0%,
      transparent 25%,
      var(--color2) 25%,
      var(--color2) 75%,
      transparent 75%,
      transparent 100%
    );
    background-repeat: repeat;
    background-size: 2rem 100%;

    animation: loading-animation infinite 0.5s linear;
    transition: inset-block-start cubic-bezier(0.4, 1, 0.4, 1) 0.2s;

    &.hidden {
      inset-block-start: calc(-1 * var(--loading-height));
    }
  }

  @keyframes loading-animation {
    0% {
      background-position: 0 0;
    }
    100% {
      background-position: var(--loading-x-size) 0;
    }
  }

  .layout-gap {
    height: var(--size-nav);
  }
</style>