<script lang="ts">
  import iconUrl from "../../../src-tauri/icons/icon.png";

  export let label = "Opening repository";
  export let repoName = "";
</script>

<div class="repo-loading" role="status" aria-live="polite">
  <div class="repo-loading-grid" aria-hidden="true"></div>
  <div class="repo-loading-card">
    <div class="repo-loading-mark">
      <span class="repo-loading-halo halo-one"></span>
      <span class="repo-loading-halo halo-two"></span>
      <svg class="repo-loading-traces" viewBox="0 0 220 220" aria-hidden="true">
        <path class="trace trace-main" d="M28 154 C72 114, 88 108, 110 110 S156 116, 192 68" />
        <path class="trace trace-branch" d="M62 74 C100 88, 126 124, 158 166" />
        <path class="trace trace-cut" d="M46 180 L174 180" />
      </svg>
      <img src={iconUrl} alt="" class="repo-loading-icon" />
    </div>

    <div class="repo-loading-text">
      <span class="repo-loading-label">{label}…</span>
      {#if repoName}
        <span class="repo-loading-name" title={repoName}>{repoName}</span>
      {/if}
    </div>

    <div class="repo-loading-bar"><span></span></div>
  </div>
</div>

<style>
  .repo-loading {
    position: fixed;
    top: calc(var(--app-titlebar-height, 40px) + var(--app-repo-tabbar-height, 36px));
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 400;
    display: grid;
    place-items: center;
    overflow: hidden;
    background:
      radial-gradient(
        circle at 50% 42%,
        color-mix(in srgb, var(--color-accent) 13%, transparent),
        transparent 38%
      ),
      color-mix(in srgb, var(--app-dialog-bg) 78%, #05070a 22%);
    backdrop-filter: blur(9px);
    animation: overlay-in 180ms ease;
  }

  .repo-loading-grid {
    position: absolute;
    inset: 0;
    opacity: 0.34;
    background-image:
      linear-gradient(color-mix(in srgb, var(--color-primary) 9%, transparent) 1px, transparent 1px),
      linear-gradient(90deg, color-mix(in srgb, var(--color-accent) 8%, transparent) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at center, black 0%, transparent 68%);
    animation: grid-drift 10s linear infinite;
  }

  .repo-loading-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    width: min(360px, calc(100vw - 32px));
    padding: 26px 30px 24px;
    border: 1px solid var(--color-border-input);
    border-radius: 14px;
    background:
      var(--app-panel-highlight),
      var(--app-dialog-bg);
    box-shadow: var(--app-dialog-shadow);
  }

  .repo-loading-mark {
    position: relative;
    width: 116px;
    height: 116px;
    display: grid;
    place-items: center;
    isolation: isolate;
  }

  .repo-loading-halo {
    position: absolute;
    inset: 8px;
    border: 1px solid color-mix(in srgb, var(--color-primary) 34%, transparent);
    border-radius: 24px;
    transform: rotate(45deg);
  }
  .repo-loading-halo.halo-one {
    animation: halo-breathe 2.4s ease-in-out infinite;
  }
  .repo-loading-halo.halo-two {
    inset: 18px;
    border-color: color-mix(in srgb, var(--color-accent) 38%, transparent);
    animation: halo-breathe 2.4s ease-in-out infinite reverse;
  }

  .repo-loading-traces {
    position: absolute;
    inset: -14px;
    width: 144px;
    height: 144px;
    overflow: visible;
    z-index: 0;
  }
  .repo-loading-traces .trace {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 165;
    stroke-dashoffset: 165;
    filter: drop-shadow(0 0 7px color-mix(in srgb, var(--color-accent) 38%, transparent));
    animation: trace-draw 2.6s ease-in-out infinite;
  }
  .repo-loading-traces .trace-main {
    stroke: var(--color-primary);
  }
  .repo-loading-traces .trace-branch {
    stroke: var(--color-accent);
    animation-delay: 0.28s;
  }
  .repo-loading-traces .trace-cut {
    stroke: color-mix(in srgb, var(--color-ink-muted) 52%, transparent);
    stroke-dasharray: 128;
    stroke-dashoffset: 128;
    animation-delay: 0.55s;
  }

  .repo-loading-icon {
    position: relative;
    z-index: 1;
    width: 82px;
    height: 82px;
    object-fit: contain;
    filter:
      drop-shadow(0 10px 16px color-mix(in srgb, var(--color-ink) 24%, transparent))
      drop-shadow(0 0 14px color-mix(in srgb, var(--color-accent) 24%, transparent));
    animation: icon-float 2.4s ease-in-out infinite;
  }

  .repo-loading-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-align: center;
  }

  .repo-loading-label {
    color: var(--color-ink);
    font-size: 14px;
    font-weight: 750;
  }

  .repo-loading-name {
    max-width: 250px;
    overflow: hidden;
    color: var(--color-ink-faint);
    font-family: var(--font-mono);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .repo-loading-bar {
    position: relative;
    width: min(230px, 100%);
    height: 4px;
    overflow: hidden;
    border: 1px solid var(--color-border-subtle);
    border-radius: 999px;
    background: color-mix(in srgb, var(--color-primary) 12%, var(--color-surface-dim));
  }
  .repo-loading-bar span {
    position: absolute;
    inset: 0;
    width: 46%;
    border-radius: inherit;
    background: linear-gradient(90deg, transparent, var(--color-primary) 40%, var(--color-accent) 74%, transparent);
    box-shadow: 0 0 14px color-mix(in srgb, var(--color-accent) 32%, transparent);
    animation: bar-slide 1.35s ease-in-out infinite;
  }

  @keyframes overlay-in { from { opacity: 0; } to { opacity: 1; } }
  @keyframes grid-drift { to { transform: translate3d(42px, 42px, 0); } }
  @keyframes icon-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-5px) scale(1.015); }
  }
  @keyframes halo-breathe {
    0%, 100% { opacity: 0.35; transform: rotate(45deg) scale(0.95); }
    50% { opacity: 0.8; transform: rotate(45deg) scale(1.04); }
  }
  @keyframes bar-slide {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(320%); }
  }
  @keyframes trace-draw {
    0% { stroke-dashoffset: 165; opacity: 0; }
    36% { opacity: 1; }
    64%, 100% { stroke-dashoffset: 0; opacity: 0.72; }
  }

  @media (prefers-reduced-motion: reduce) {
    .repo-loading-grid,
    .repo-loading-halo,
    .repo-loading-traces .trace,
    .repo-loading-icon,
    .repo-loading-bar span { animation: none; }
    .repo-loading-traces .trace { stroke-dashoffset: 0; opacity: 0.72; }
  }

  @media (max-width: 520px) {
    .repo-loading-card {
      width: calc(100vw - 20px);
      padding: 22px 20px 20px;
    }
  }
</style>
