<template>
  <div class="dialog-history">
    <div class="history-list">
      <div 
        class="history-item" 
        v-for="conversation in conversations" 
        :key="conversation.id"
        @click="$emit('load-conversation', conversation)"
      >
        <div class="item-header">
          <h4>{{ conversation.title }}</h4>
          <span class="item-date">{{ conversation.date }}</span>
        </div>
        <p class="item-preview">{{ conversation.preview }}</p>
        <div class="item-footer">
          <span class="item-count">{{ conversation.messageCount }} 条消息</span>
          <el-button size="small" type="danger" @click.stop="deleteConversation(conversation)">
            删除
          </el-button>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, onMounted } from 'vue';
import { ElButton, ElMessage } from 'element-plus';

const conversations = ref<any[]>([]);

defineEmits(['load-conversation']);

onMounted(() => {
  // TODO: 加载历史对话列表
});

function deleteConversation(conversation: any) {
  // TODO: 删除对话
  ElMessage.success('已删除对话');
}
</script>

<style lang="scss" scoped>
.dialog-history {
  max-height: 500px;
  overflow-y: auto;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item {
  padding: 16px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  
  &:hover {
    border-color: #C62828;
    background: #fff5f5;
  }
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  
  h4 {
    font-size: 16px;
    font-weight: 600;
    color: #141F38;
  }
}

.item-date {
  font-size: 12px;
  color: #999;
}

.item-preview {
  font-size: 14px;
  color: #666;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid #f0f0f0;
}

.item-count {
  font-size: 13px;
  color: #999;
}
</style>

