<template>
  <header class="top-header">
    <div class="header-left">
      <slot name="left" />
    </div>
    <div class="header-right">
      <slot name="right">
        <!-- 默认右侧内容：积分 + 语言切换 + 头像 -->
        <div v-if="showPoints" class="points-badge">
          <div class="points-icon">
            <StarOutlined />
          </div>
          <span class="points-number">{{ userStore.availablePoints }}</span>
        </div>
        <LanguageSwitcher />
        <div v-if="showAvatar" ref="avatarRef" class="user-avatar" @click="$emit('avatar-click')">
          <img src="/images/backgrounds/avatar-default.svg" alt="Avatar" />
        </div>
      </slot>
    </div>
  </header>
</template>

<script setup>
import { ref } from 'vue'
import { StarOutlined } from '@ant-design/icons-vue'
import LanguageSwitcher from '@/components/LanguageSwitcher.vue'
import { useUserStore } from '@/stores/user'

defineProps({
  showPoints: { type: Boolean, default: true },
  showAvatar: { type: Boolean, default: true }
})

defineEmits(['avatar-click'])

const userStore = useUserStore()
const avatarRef = ref(null)

defineExpose({ avatarRef })
</script>

<style scoped>
.top-header {
  height: var(--header-height, 64px);
  padding: 0 var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  flex-shrink: 0;
  z-index: var(--z-sticky, 200);
}

.header-left {
  display: flex;
  align-items: center;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
}

/* Points Badge */
.points-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full, 9999px);
  border: none;
  box-shadow: 0 2px 10px rgba(124, 58, 237, 0.2);
}

.points-icon {
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
}

.points-number {
  color: #fff;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold, 600);
}

/* User Avatar */
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 250ms ease;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.user-avatar:hover {
  transform: scale(1.08);
  border-color: var(--border-default);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
</style>
