<template>
  <div class="iam-ram-comparison-demo">
    <div class="demo-header">
      <span class="icon">🔐</span>
      <span class="title">IAM vs RAM 对比</span>
      <span class="subtitle">不同云厂商权限管理服务</span>
    </div>

    <div class="main-area">
      <div class="platform-col aws">
        <div class="platform-header">AWS IAM</div>
        <div
          v-for="(feature, index) in features"
          :key="index"
          class="feature-item"
          :class="{ active: selectedFeature === index }"
          @click="selectedFeature = index"
        >
          <span class="icon">{{ feature.icon }}</span>
          <span class="name">{{ feature.name }}</span>
        </div>
      </div>

      <div class="comparison-col">
        <div class="comparison-card" v-if="selectedFeatureData">
          <div class="comp-title">{{ selectedFeatureData.name }}</div>
          <div class="comp-row">
            <div class="comp-item aws">
              <div class="comp-label">AWS IAM</div>
              <div class="comp-desc">{{ selectedFeatureData.awsDetail }}</div>
            </div>
            <div class="comp-vs">VS</div>
            <div class="comp-item ram">
              <div class="comp-label">阿里云 RAM</div>
              <div class="comp-desc">{{ selectedFeatureData.ramDetail }}</div>
            </div>
          </div>
        </div>
      </div>

      <div class="platform-col ram">
        <div class="platform-header">阿里云 RAM</div>
        <div
          v-for="(feature, index) in features"
          :key="index"
          class="feature-item"
          :class="{ active: selectedFeature === index }"
          @click="selectedFeature = index"
        >
          <span class="icon">{{ feature.icon }}</span>
          <span class="name">{{ feature.name }}</span>
        </div>
      </div>
    </div>

    <div class="info-box">
      <span class="icon">💡</span>
      <strong>核心思想：</strong>IAM 和 RAM 核心概念基本一致，只是术语和实现细节略有不同。
    </div>
  </div>
</template>

<script setup>
import { ref, computed } from 'vue'

const selectedFeature = ref(0)

const features = [
  { icon: '👤', name: '用户管理' },
  { icon: '👥', name: '用户组' },
  { icon: '🎭', name: '角色扮演' },
  { icon: '📋', name: '权限策略' },
  { icon: '🔗', name: '身份联合' },
  { icon: '🔑', name: '访问密钥' }
]

const featureDetails = [
  { name: '用户管理', awsDetail: 'IAM User，支持编程访问和控制台访问', ramDetail: 'RAM 用户，功能类似，支持子账号登录' },
  { name: '用户组管理', awsDetail: 'IAM Group 批量管理用户权限', ramDetail: 'RAM 用户组，按部门分组管理' },
  { name: '角色与扮演', awsDetail: 'IAM Role + STS AssumeRole', ramDetail: 'RAM 角色 + STS AssumeRole' },
  { name: '权限策略', awsDetail: 'JSON 格式 Policy', ramDetail: '语法类似的权限策略' },
  { name: '身份联合', awsDetail: 'SAML 2.0 / OIDC，支持 AD/Okta', ramDetail: 'SAML 2.0，支持钉钉等' },
  { name: '访问密钥', awsDetail: 'AK/SK，支持轮换和分析', ramDetail: 'AccessKey，提供安全建议' }
]

const selectedFeatureData = computed(() => featureDetails[selectedFeature.value])
</script>

<style scoped>
.iam-ram-comparison-demo {
  border: 1px solid var(--vp-c-divider);
  background: var(--vp-c-bg-soft);
  border-radius: 6px;
  padding: 0.75rem;
  margin: 0.5rem 0;
}

.demo-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.demo-header .icon { font-size: 1.25rem; }
.demo-header .title { font-weight: bold; font-size: 1rem; }
.demo-header .subtitle { color: var(--vp-c-text-2); font-size: 0.85rem; margin-left: 0.5rem; }

.main-area {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

@media (max-width: 768px) {
  .main-area { grid-template-columns: 1fr; }
}

.platform-col {
  background: var(--vp-c-bg);
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  overflow: hidden;
}

.platform-header {
  padding: 0.5rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--vp-c-divider);
}

.platform-col.aws .platform-header { background: var(--vp-c-brand-soft); color: var(--vp-c-brand-1); }
.platform-col.ram .platform-header { background: rgba(239, 68, 68, 0.1); color: #dc2626; }

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 1px solid var(--vp-c-divider);
}

.feature-item:last-child { border-bottom: none; }
.feature-item:hover { background: var(--vp-c-bg-alt); }
.feature-item.active { background: var(--vp-c-brand-soft); }

.feature-item .icon { font-size: 1rem; }
.feature-item .name { font-size: 0.8rem; color: var(--vp-c-text-1); }

.comparison-col { min-width: 0; }

.comparison-card {
  background: var(--vp-c-bg);
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  padding: 0.75rem;
  height: 100%;
}

.comp-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--vp-c-brand-1);
  text-align: center;
  margin-bottom: 0.5rem;
}

.comp-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.comp-item {
  padding: 0.5rem;
  border-radius: 4px;
  background: var(--vp-c-bg-alt);
}

.comp-label {
  font-weight: 600;
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}

.comp-item.aws .comp-label { color: var(--vp-c-brand-1); }
.comp-item.ram .comp-label { color: #dc2626; }

.comp-desc { font-size: 0.75rem; color: var(--vp-c-text-2); line-height: 1.4; }

.comp-vs {
  text-align: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--vp-c-text-3);
}

.info-box {
  background: var(--vp-c-bg-alt);
  padding: 0.6rem;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--vp-c-text-2);
  display: flex;
  gap: 0.25rem;
}

.info-box .icon { flex-shrink: 0; }
.info-box strong { color: var(--vp-c-text-1); }
</style>
