<!--
 * @Date: 2026-01-31
 * @Description: 我的计划书 - 已改造为 NutTabs 版本
-->
<template>
  <view class="h-screen bg-gray-50 flex flex-col">
    <view class="bg-gray-50 z-10">
      <!-- Navigation Header -->
      <NavHeader title="我的计划书" />

      <!-- Search Bar -->
      <view class="bg-white px-[24rpx] py-[16rpx]">
        <SearchBar
          v-model="searchValue"
          placeholder="搜索计划书名称、客户姓名..."
          :show-clear="true"
          @search="onSearch"
        />
      </view>

      <!-- Tabs Container -->
      <view class="bg-white mt-[2rpx]">
        <nut-tabs v-model="activeTabId">
          <!-- 自定义标签栏 -->
          <template #titles>
            <view class="filter-tabs-wrapper">
              <view
                v-for="item in tabsData"
                :key="item.id"
                :class="[
                  'filter-tab-item',
                  activeTabId === item.id ? 'filter-tab-active' : 'filter-tab-inactive'
                ]"
                @tap="onTabClick(item.id)"
              >
                <text class="filter-tab-text">{{ item.name }}</text>
              </view>
            </view>
          </template>
        </nut-tabs>
      </view>
    </view>

    <!-- Plan List -->
    <view
      v-if="listVisible"
      :key="listRenderKey"
      class="flex-1 min-h-0 overflow-y-auto px-[24rpx] py-[24rpx] pb-[200rpx]"
    >
      <view v-for="(item, index) in filteredList" :key="index"
        class="bg-white rounded-[24rpx] p-[24rpx] mb-[24rpx] shadow-sm plan-item"
        :style="{ animationDelay: `${index * 50}ms` }">
        <!-- Header -->
        <view class="flex justify-between items-start mb-[16rpx]">
          <view class="flex-1">
            <view class="text-[30rpx] font-bold text-gray-900 leading-normal mb-[8rpx]">{{ item.title }}</view>
            <view class="flex items-center gap-[12rpx]">
              <view class="bg-blue-50 text-blue-600 text-[22rpx] px-[12rpx] py-[4rpx] rounded-[8rpx]" v-if="item.tag">
                {{ item.tag }}
              </view>
            </view>
          </view>
          <view class="ml-[24rpx]">
            <!-- Status Badge or Icon could go here -->
          </view>
        </view>

        <!-- Info -->
        <view class="flex justify-between items-center text-gray-500 text-[24rpx] mb-[24rpx]">
          <text>{{ item.client }}</text>
          <text>{{ item.date }}</text>
        </view>

        <!-- Divider -->
        <view class="h-[1rpx] bg-gray-100 my-[20rpx]"></view>

        <!-- Actions -->
        <ListItemActions
          :viewable="true"
          :deletable="true"
          @view="onView(item)"
          @delete="onDelete(item)"
        />
      </view>

      <!-- Empty State -->
      <view v-if="filteredList.length === 0"
        class="flex flex-col items-center justify-center py-[100rpx] text-gray-400">
        <IconFont name="order" size="48" class="mb-[24rpx] opacity-50" />
        <text class="text-[28rpx]">暂无相关计划书</text>
      </view>
    </view>

    <!-- TabBar -->
    <!-- <TabBar current="" /> -->
  </view>
</template>

<script setup>
import { ref, computed, nextTick } from 'vue'
import { useFileOperation } from '@/composables/useFileOperation'
import IconFont from '@/components/IconFont.vue'
import NavHeader from '@/components/NavHeader.vue'
import ListItemActions from '@/components/ListItemActions/index.vue'
import SearchBar from '@/components/SearchBar.vue'
import Taro from '@tarojs/taro'

const { viewFile } = useFileOperation()

const searchValue = ref('')
const activeTabId = ref('')
const listVisible = ref(true)
const listRenderKey = ref(0)

/**
 * Tab 数据源
 * @description 包含分类信息和对应的计划书列表
 */
const tabsData = ref([
  { id: '', name: '全部', list: [] },
  { id: 'processing', name: '生成中', list: [] },
  { id: 'generated', name: '已生成', list: [] },
])

/**
 * Mock 数据：计划书列表
 *
 * @description 使用真实 PDF 文件进行测试
 * downloadUrl 使用 Mozilla 的公开 PDF 测试文件
 */
const allList = ref([
  {
    id: 1,
    title: '家庭财富传承保障计划（分红）',
    client: '客户：李*生',
    date: '2024-03-15 10:12',
    tag: '年金保险',
    status: 'generated',
    // 文档信息
    fileName: '家庭财富传承保障计划（分红）.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 2,
    title: '财富传承保障金融理财计划（分红）',
    client: '客户：孙*',
    date: '2024-03-14 12:01',
    tag: '',
    status: 'processing',
    // 生成中的文档没有下载地址
    fileName: '',
    downloadUrl: ''
  },
  {
    id: 3,
    title: '企业高管年金计划',
    client: '客户：王*江',
    date: '2024-03-13 09:23',
    tag: '年金保险',
    status: 'generated',
    // 文档信息
    fileName: '企业高管年金计划.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 4,
    title: '家庭财富传承保障计划',
    client: '客户：李*生',
    date: '2024-03-12 15:12',
    tag: '年金保险',
    status: 'generated',
    // 文档信息
    fileName: '家庭财富传承保障计划.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 5,
    title: '高净值家庭资产配置计划',
    client: '客户：赵*琪',
    date: '2024-03-11 18:40',
    tag: '资产配置',
    status: 'generated',
    fileName: '高净值家庭资产配置计划.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 6,
    title: '企业主税务筹划方案',
    client: '客户：陈*明',
    date: '2024-03-11 11:05',
    tag: '税务筹划',
    status: 'processing',
    fileName: '',
    downloadUrl: ''
  },
  {
    id: 7,
    title: '家庭保障升级计划（重疾）',
    client: '客户：周*然',
    date: '2024-03-10 14:22',
    tag: '健康保障',
    status: 'generated',
    fileName: '家庭保障升级计划（重疾）.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 8,
    title: '家庭教育金规划方案',
    client: '客户：许*雅',
    date: '2024-03-10 09:48',
    tag: '教育金',
    status: 'generated',
    fileName: '家庭教育金规划方案.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 9,
    title: '中长期养老规划',
    client: '客户：刘*文',
    date: '2024-03-09 16:05',
    tag: '养老规划',
    status: 'processing',
    fileName: '',
    downloadUrl: ''
  },
  {
    id: 10,
    title: '企业员工福利保障计划',
    client: '客户：沈*杰',
    date: '2024-03-09 10:33',
    tag: '团体保障',
    status: 'generated',
    fileName: '企业员工福利保障计划.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 11,
    title: '家族信托规划方案',
    client: '客户：唐*豪',
    date: '2024-03-08 17:50',
    tag: '家族信托',
    status: 'generated',
    fileName: '家族信托规划方案.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  },
  {
    id: 12,
    title: '企业接班人保障方案',
    client: '客户：何*峰',
    date: '2024-03-08 09:12',
    tag: '传承保障',
    status: 'generated',
    fileName: '企业接班人保障方案.pdf',
    downloadUrl: 'https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf'
  }
])

/**
 * 初始化数据分布
 * @description 根据分类规则将 allList 中的数据分配到各个 tab 中
 */
const initTabsData = () => {
  tabsData.value.forEach((tab) => {
    if (tab.id === '') {
      tab.list = [...allList.value]
    } else {
      tab.list = allList.value.filter(item => item.status === tab.id)
    }
  })
}

/**
 * 根据标签页和搜索关键词过滤列表
 */
const filteredList = computed(() => {
  // 找到当前选中的 tab
  const currentTab = tabsData.value.find(tab => tab.id === activeTabId.value)
  if (!currentTab) return []

  let result = currentTab.list

  // Filter by Search
  if (searchValue.value) {
    const key = searchValue.value.toLowerCase()
    result = result.filter(item =>
      item.title.toLowerCase().includes(key) ||
      item.client.toLowerCase().includes(key)
    )
  }

  return result
})

/**
 * Tab 点击处理
 */
const onTabClick = (id) => {
  activeTabId.value = id
  listVisible.value = false
  nextTick(() => {
    listRenderKey.value += 1
    listVisible.value = true
  })
}

/**
 * 搜索处理
 */
const onSearch = (val) => {
  console.log('Search:', val)
}

/**
 * 查看计划书文档
 *
 * @description 使用 useFileOperation 的 viewFile 功能查看 PDF 文档
 * @param {Object} item - 计划书对象
 */
const onView = async (item) => {
  // 检查是否已生成
  if (item.status === 'processing') {
    Taro.showToast({
      title: '计划书生成中，请稍后',
      icon: 'none'
    })
    return
  }

  // 使用 useFileOperation 查看文档
  await viewFile({
    downloadUrl: item.downloadUrl,
    fileName: item.fileName
  })
}

/**
 * 删除计划书
 */
const onDelete = (item) => {
  Taro.showModal({
    title: '提示',
    content: '确定要删除该计划书吗？',
    success: (res) => {
      if (res.confirm) {
        // 从 allList 中删除
        const index = allList.value.findIndex(i => i.id === item.id)
        if (index !== -1) {
          allList.value.splice(index, 1)
          // 重新初始化 tabsData
          initTabsData()
          Taro.showToast({ title: '已删除', icon: 'success' })
        }
      }
    }
  })
}

// 初始化数据
initTabsData()
</script>

<style lang="less">
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20rpx);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.plan-item {
  animation: slideIn 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
}

// FilterTabs 风格的标签栏
.filter-tabs-wrapper {
  display: flex;
  overflow-x: auto;
  padding: 24rpx 24rpx;
  gap: 24rpx;
  transition: all 0.3s ease;
  background-color: #fff;
  width: 100%;

  // 隐藏滚动条
  &::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }

  -ms-overflow-style: none;
  scrollbar-width: none;
}

.filter-tab-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 32rpx;
  border-radius: 9999rpx;
  white-space: nowrap;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.filter-tab-active {
  background-color: #2563EB; // 蓝色背景
  color: #fff;
}

.filter-tab-inactive {
  background-color: #F3F4F6; // 灰色背景
  color: #6B7280;
}

.filter-tab-text {
  font-size: 28rpx;
  font-weight: 500;
}

// 覆盖 NutUI Tabs 默认样式，隐藏原有的头部和内容（因为我们使用自定义头部和外部列表）
:deep(.nut-tabs__titles) {
  display: none;
}

:deep(.nut-tabs__content) {
  display: none;
}
</style>