<script setup>
import { ref, computed, onMounted } from 'vue'
import { useI18n } from '../composables/useI18n'
import { useTheme } from '../composables/useTheme'

// 国际化
const { t } = useI18n()

// 主题系统
const { currentTheme } = useTheme()

// 数据
const features = ref([
  {
    icon: '🎨',
    title: '响应式设计',
    description: '支持移动端、平板和桌面端的完美适配'
  },
  {
    icon: '🌍',
    title: '国际化支持',
    description: '内置中英文切换，支持扩展更多语言'
  },
  {
    icon: '🌓',
    title: '主题切换',
    description: '支持浅色、深色和高对比度主题模式'
  },
  {
    icon: '⚡',
    title: 'Vue 3 + Vite',
    description: '基于最新技术栈，性能优化，开发效率高'
  },
  {
    icon: '🎯',
    title: '组件化开发',
    description: '遵循Vue 3最佳实践，代码结构清晰'
  },
  {
    icon: '🔧',
    title: '开发工具链',
    description: '集成ESLint、Prettier等现代化工具'
  }
])

const stats = ref([
  { label: '技术栈', value: 'Vue 3 + Vite' },
  { label: '语言支持', value: '中英双语' },
  { label: '响应式断点', value: '3个主要断点' },
  { label: '主题模式', value: '3种主题' }
])

// 计算属性
const heroTitle = computed(() => t('welcome.title'))
const heroSubtitle = computed(() => t('welcome.subtitle'))
const heroDescription = computed(() => t('welcome.description'))
</script>

<template>
  <div class="home-page">
    <!-- 英雄区域 -->
    <section class="hero-section">
      <div class="hero-container">
        <div class="hero-content">
          <h1 class="hero-title">{{ heroTitle }}</h1>
          <p class="hero-subtitle">{{ heroSubtitle }}</p>
          <p class="hero-description">{{ heroDescription }}</p>
          <div class="hero-actions">
            <button class="btn btn-primary">
              {{ t('welcome.start') }}
            </button>
            <button class="btn btn-secondary">
              查看文档
            </button>
          </div>
        </div>
        <div class="hero-visual">
          <div class="visual-card">
            <div class="visual-header">
              <div class="visual-dots">
                <span></span>
                <span></span>
                <span></span>
              </div>
            </div>
            <div class="visual-content">
              <div class="visual-line"></div>
              <div class="visual-line short"></div>
              <div class="visual-line medium"></div>
              <div class="visual-blocks">
                <div class="block"></div>
                <div class="block"></div>
                <div class="block"></div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </section>

    <!-- 特性展示 -->
    <section class="features-section">
      <div class="section-container">
        <h2 class="section-title">{{ t('welcome.features') }}</h2>
        <div class="features-grid">
          <div 
            v-for="feature in features" 
            :key="feature.title"
            class="feature-card"
          >
            <div class="feature-icon">{{ feature.icon }}</div>
            <h3 class="feature-title">{{ feature.title }}</h3>
            <p class="feature-description">{{ feature.description }}</p>
          </div>
        </div>
      </div>
    </section>

    <!-- 统计数据 -->
    <section class="stats-section">
      <div class="section-container">
        <h2 class="section-title">项目亮点</h2>
        <div class="stats-grid">
          <div 
            v-for="stat in stats" 
            :key="stat.label"
            class="stat-item"
          >
            <div class="stat-value">{{ stat.value }}</div>
            <div class="stat-label">{{ stat.label }}</div>
          </div>
        </div>
      </div>
    </section>

    <!-- 技术栈展示 -->
    <section class="tech-section">
      <div class="section-container">
        <h2 class="section-title">技术栈</h2>
        <div class="tech-stack">
          <div class="tech-item">
            <img src="/vite.svg" alt="Vite" class="tech-logo" />
            <span class="tech-name">Vite</span>
          </div>
          <div class="tech-item">
            <img src="https://vuejs.org/logo.svg" alt="Vue 3" class="tech-logo" />
            <span class="tech-name">Vue 3</span>
          </div>
          <div class="tech-item">
            <div class="tech-icon">🗃️</div>
            <span class="tech-name">Pinia</span>
          </div>
          <div class="tech-item">
            <div class="tech-icon">🛣️</div>
            <span class="tech-name">Vue Router</span>
          </div>
          <div class="tech-item">
            <div class="tech-icon">🌍</div>
            <span class="tech-name">Vue I18n</span>
          </div>
        </div>
      </div>
    </section>
  </div>
</template>

<style scoped>
.home-page {
  min-height: 100%;
}

/* 英雄区域 */
.hero-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-content {
  max-width: 500px;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-md) 0;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin: 0 0 var(--spacing-xl) 0;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-color-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-secondary);
}

/* 可视化卡片 */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-card {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  width: 300px;
  max-width: 100%;
}

.visual-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.visual-dots {
  display: flex;
  gap: var(--spacing-xs);
}

.visual-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.visual-dots span:nth-child(1) { background-color: #ff5f56; }
.visual-dots span:nth-child(2) { background-color: #ffbd2e; }
.visual-dots span:nth-child(3) { background-color: #27ca3f; }

.visual-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.visual-line {
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
  opacity: 0.7;
}

.visual-line.short {
  width: 60%;
}

.visual-line.medium {
  width: 80%;
}

.visual-blocks {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.block {
  flex: 1;
  height: 60px;
  background-color: var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

/* 特性区域 */
.features-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-primary);
}

.section-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  text-align: center;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm) 0;
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* 统计数据 */
.stats-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* 技术栈 */
.tech-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-primary);
}

.tech-stack {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  transition: all 0.2s ease;
}

.tech-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.tech-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.tech-icon {
  font-size: 48px;
  text-align: center;
}

.tech-name {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tech-stack {
    gap: var(--spacing-md);
  }
  
  .tech-item {
    padding: var(--spacing-md);
  }
}
</style>