<template>
  <section :class="compact ? 'section-book-compact' : 'section-padding'">
    <div class="container-content">
      <div :class="['grid items-center', compact ? 'gap-5 md:grid-cols-[auto_1fr]' : 'gap-12 md:grid-cols-2']">
        <!-- Book cover -->
        <UiScrollReveal>
          <div class="book-cover-wrapper relative">
            <div
              :class="['book-cover-3d', compact && 'book-cover-3d--compact']"
              :style="{ backgroundImage: `url(${content?.book.coverImage})` }"
              role="img"
              :aria-label="content?.book.coverAlt"
            />
          </div>
        </UiScrollReveal>

        <!-- Content + CTAs -->
        <div>
          <UiScrollReveal>
            <p :class="['font-mono tracking-widest text-accent uppercase', compact ? 'text-xs mb-1' : 'text-sm mb-2']">
              {{ content?.book.kicker }}
            </p>
            <h2 :class="['book-heading font-display font-bold tracking-tight text-white', compact && 'book-heading--compact']">
              <template v-if="compact">
                <span class="block">{{ titleLine1 }}</span>
                <span class="block" style="color: hsl(var(--color-text) / 0.55)">{{ titleLine2 }}</span>
              </template>
              <template v-else>{{ content?.book.title }}</template>
            </h2>
          </UiScrollReveal>

          <UiScrollReveal :delay="100">
            <p :class="['leading-relaxed', compact ? 'mt-2 text-sm' : 'mt-4 text-lg text-white/60']"
               :style="compact ? 'color: hsl(var(--color-text-muted)); font-size: 0.85rem' : ''">
              {{ content?.book.description }}
            </p>
          </UiScrollReveal>

          <UiScrollReveal :delay="200">
            <BookActions
              :show-chapters="showChapters"
              @open-player="$emit('open-player')"
              @open-pdf="$emit('open-pdf')"
            />
          </UiScrollReveal>
        </div>
      </div>
    </div>
  </section>
</template>

<script setup lang="ts">
withDefaults(defineProps<{
  showChapters?: boolean
  compact?: boolean
}>(), {
  showChapters: true,
  compact: false,
})

defineEmits<{
  'open-player': []
  'open-pdf': []
}>()

const { data: content } = await usePageContent('home')

const titleParts = computed(() => {
  const title = content.value?.book.title ?? ''
  const idx = title.indexOf('—')
  if (idx === -1) return [title, '']
  return [title.slice(0, idx).trim(), '— ' + title.slice(idx + 1).trim()]
})
const titleLine1 = computed(() => titleParts.value[0])
const titleLine2 = computed(() => titleParts.value[1])
</script>

<style scoped>
.section-book-compact {
  padding: 0;
}

.book-cover-wrapper {
  perspective: 800px;
  display: flex;
  justify-content: center;
}

.book-cover-3d {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 3 / 4;
  background-size: 200% auto;
  background-position: right center;
  background-repeat: no-repeat;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid hsl(var(--color-text) / 0.1);
  box-shadow:
    0 12px 40px hsl(var(--color-text) / 0.15),
    0 0 0 1px hsl(var(--color-text) / 0.08);
  transition: transform 0.5s cubic-bezier(0.645, 0.045, 0.355, 1),
              box-shadow 0.5s ease;
}

.book-cover-3d--compact {
  max-width: 120px;
}

.book-cover-3d:hover {
  transform: rotateY(-8deg) rotateX(3deg) scale(1.02);
  box-shadow:
    12px 16px 48px hsl(var(--color-text) / 0.2),
    0 0 0 1px hsl(var(--color-primary) / 0.2);
}


.book-heading {
  font-size: clamp(1.625rem, 4vw, 2.125rem);
}

.book-heading--compact {
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  line-height: 1.35;
}
</style>
