<template>
  <div class="app-container"
    style="height: calc(100vh - 84px); display: flex; flex-direction: column; overflow: hidden;">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="事件日期" style="width: 300px">
        <el-date-picker v-model="daterangeEventDate" type="daterange" range-separator="-" start-placeholder="开始日期"
          end-placeholder="结束日期" value-format="YYYY-MM-DD" />
      </el-form-item>
      <el-form-item label="耳号" prop="manageTagsList">
        <div style="display:flex;align-items:center;gap:8px;flex-wrap:wrap;">
          <!-- 主选择器：不展示已选标签 -->
          <el-select v-model="queryParams.manageTagsList" multiple filterable remote reserve-keyword
            placeholder="输入耳号搜索" :remote-method="searchEarNumber" :loading="earLoading" allow-create
            default-first-option collapse-tags :max-collapse-tags="0" style="width:300px" @change="handleEarChange">
            <el-option v-for="item in earOptions" :key="item" :label="item" :value="item" />
          </el-select>

          <!-- 批量粘贴框 -->
          <el-input v-model="pasteText" placeholder="或粘贴多个耳号(空格/换行/逗号分隔)" style="width:300px" @paste="handlePaste"
            @keyup.enter="handlePasteSubmit" clearable>
            <template #append>
              <el-button @click="handlePasteSubmit" :icon="Plus">添加</el-button>
            </template>
          </el-input>

          <!-- 计数标签 -->
          <el-tag v-if="queryParams.manageTagsList && queryParams.manageTagsList.length" type="info" effect="plain"
            size="large">
            已选: {{ queryParams.manageTagsList.length }} 个
          </el-tag>

          <!-- 一键清空 -->
          <el-button type="danger" plain :icon="Delete" @click="clearEarNumbers"
            v-if="queryParams.manageTagsList && queryParams.manageTagsList.length">
            清空全部
          </el-button>
        </div>
        <!-- 已选耳号展示区（可折叠） -->
        <div v-if="queryParams.manageTagsList && queryParams.manageTagsList.length" class="selected-ear-numbers">
          <el-tag v-for="tag in displayedEarTags" :key="tag" closable @close="removeEarNumber(tag)" style="margin:4px"
            type="success">
            {{ tag }}
          </el-tag>

          <el-button v-if="queryParams.manageTagsList.length > defaultShowCount" type="primary" link
            @click="toggleExpand">
            {{ isExpanded ? '收起' : `展开剩余 ${queryParams.manageTagsList.length - defaultShowCount} 个` }}
            <el-icon class="el-icon--right">
              <component :is="isExpanded ? ArrowUp : ArrowDown" />
            </el-icon>
          </el-button>
        </div>
      </el-form-item>
      <el-form-item label="新耳号" prop="newTag">
        <el-input v-model="queryParams.newTag" placeholder="请输入新耳号" clearable @keyup.enter="handleQuery"
          style="max-width: 160px;" />
      </el-form-item>
      <el-form-item label="旧耳号" prop="oldTag">
        <el-input v-model="queryParams.oldTag" placeholder="请输入旧耳号" clearable @keyup.enter="handleQuery"
          style="max-width: 160px;" />
      </el-form-item>
      <el-form-item label="技术员" prop="technician">
        <el-select v-model="queryParams.technician" placeholder="请选择技术员" clearable filterable style="max-width: 160px">
          <el-option v-for="item in technicalOptions" :key="item.value" :label="item.label" :value="item.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="是否在群" prop="inGroup">
        <el-select v-model="queryParams.inGroup" placeholder="全部" clearable style="width:120px">
          <el-option label="全部" :value="0" />
          <el-option label="在群" :value="1" />
          <el-option label="离群" :value="2" />
        </el-select>
      </el-form-item>
      <el-form-item label="耳号类型" prop="earType">
        <el-select v-model="queryParams.earType" placeholder="请选择耳号类型" style="min-width:150px" clearable>
          <el-option label="电子耳号" :value="0"></el-option>
          <el-option label="管理耳号" :value="1"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <!-- <el-button icon="Refresh" @click="resetQuery">重置</el-button> -->
      </el-form-item>
    </el-form>
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          v-hasPermi="['changeEar:changeEar:add']">新增</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['changeEar:changeEar:edit']">修改</el-button>
      </el-col> -->
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['changeEar:changeEar:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['changeEar:changeEar:export']">导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <div style="flex: 1; overflow: hidden;">
      <el-table v-loading="loading" :data="changeEarList" @selection-change="handleSelectionChange" height="100%"
        style="width: 100%">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="耳号" align="center" prop="manageTags" />
        <el-table-column label="品种" align="center" prop="varietyName" />
        <el-table-column label="事件类型" align="center" prop="eventType" />
        <el-table-column label="事件日期" align="center" prop="eventDate">
          <template #default="scope">
            <span>{{ parseTime(scope.row.eventDate, '{y}-{m}-{d}') }}</span>
          </template>
        </el-table-column>
        <el-table-column label="耳号类型" align="center" prop="earType">
          <template #default="scope">
            {{ scope.row.earType === 0 ? '电子耳号' : '管理耳号' }}
          </template>
        </el-table-column>
        <el-table-column label="新耳号" align="center" prop="newTag" />
        <el-table-column label="旧耳号" align="center" prop="oldTag" />
        <el-table-column label="羊舍" align="center" prop="sheepfoldName" />
        <el-table-column label="技术员" align="center" prop="technician" />
        <el-table-column label="创建人" align="center" prop="createBy" />
        <el-table-column label="创建时间" align="center" prop="createTime" width="180">
          <template #default="scope">
            <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}') }}</span>
          </template>
        </el-table-column>
        <el-table-column label="备注" align="center" prop="comment" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
            <!-- <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['changeEar:changeEar:edit']">修改</el-button> -->
            <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
              v-hasPermi="['changeEar:changeEar:remove']">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <div style="flex-shrink: 0; padding: 10px 0;">
      <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize" @pagination="getList" :page-sizes="[20, 50, 100, 200, 500, 1000, 2000]" />
    </div>
    
    <!-- 添加或修改修改电子耳号记录对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="changeEarRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="耳号" prop="earNumber">
          <el-input v-model="form.earNumber" placeholder="请输入管理耳号或电子耳号" @change="fetchOldTag" :disabled="!isAddMode" />
        </el-form-item>
        <el-form-item label="耳号类型" prop="earType">
          <el-select v-model="form.earType" placeholder="请选择耳号类型" @change="fetchOldTag" :disabled="!isAddMode">
            <el-option label="电子耳号" :value="0"></el-option>
            <el-option label="管理耳号" :value="1"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="新耳号" prop="newTag" @blur="checkNewTagExists">
          <el-input v-model="form.newTag" placeholder="请输入新耳号/电子耳号" @blur="checkNewTagExists" :disabled="!isAddMode" />
        </el-form-item>
        <el-form-item label="旧耳号" prop="oldTag">
          <el-input v-model="form.oldTag" placeholder="自动获取" disabled />
        </el-form-item>
        <el-form-item label="技术员" prop="technician">
          <el-select v-model="form.technician" placeholder="请选择技术员" :disabled="!isAddMode" clearable filterable
            style="width: 100%">
            <el-option v-for="item in technicalOptions" :key="item.value" :label="item.label" :value="item.value" />
          </el-select>
        </el-form-item>
        <el-form-item label="事件日期" prop="eventDate">
          <el-date-picker v-model="form.eventDate" type="date" placeholder="请选择事件日期" value-format="YYYY-MM-DD"
            :disabled="!isAddMode" />
        </el-form-item>
        <el-form-item label="备注" prop="comment">
          <el-input v-model="form.comment" type="textarea" placeholder="请输入内容" :disabled="!isAddMode" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="ChangeEar">
import { listChangeEar, getChangeEar, delChangeEar, addChangeEar, updateChangeEar, getSheepByEarNumber, checkTagExists, searchEarNumbers } from "@/api/produce/manage_sheep/changeEar"
import { listSheepfold_management as listSheepfold } from '@/api/fileManagement/sheepfold_management'
import dayjs from 'dayjs'
import { nextTick } from 'vue'
import { Plus, Delete, ArrowUp, ArrowDown } from '@element-plus/icons-vue'
import { getUserByPost } from '@/api/common/user'
const { proxy } = getCurrentInstance()
// 技术员下拉选项
const technicalOptions = ref([])

// 获取技术员列表（岗位编码：techs）
const fetchTechnicalList = () => {
  getUserByPost({ postCode: "techs" })
    .then(res => {
      if (res.code === 200 && Array.isArray(res.data)) {
        technicalOptions.value = res.data.map(item => ({
          value: item.nickName,
          label: item.nickName
        }))
      } else {
        technicalOptions.value = []
      }
    })
    .catch(() => {
      technicalOptions.value = []
    })
}
const changeEarList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")
const daterangeCreateTime = ref([])
const isAddMode = ref(true);
const daterangeEventDate = ref([]);
const pasteText = ref('')               // 批量粘贴输入框
const isExpanded = ref(false)           // 折叠状态
const defaultShowCount = 2              // 默认展示条数
/* 计算：控制实际展示的耳号列表 */
const displayedEarTags = computed(() => {
  const list = queryParams.value.manageTagsList || []
  if (isExpanded.value || list.length <= defaultShowCount) return list
  return list.slice(0, defaultShowCount)
})
const data = reactive({
  form: {
    technician: null,
    eventDate: null
  },
  queryParams: {
    pageNum: 1,
    pageSize: 20,
    manageTags: null,
    // sheepfoldId: null,
    technician: null,
    earType: null,
    newTag: null,
    oldTag: null,
    createTime: null,
    earType: null,
    inGroup: 0
  },
  rules: {
    earNumber: [
      { required: true, message: "请输入管理耳号或电子耳号", trigger: "blur" }
    ],
    earType: [
      { required: true, message: "请选择耳号类型", trigger: "change" }
    ],
    newTag: [
      { required: true, message: "请输入新耳号", trigger: "blur" }
    ],
    technician: [
      { required: true, message: "请输入技术员", trigger: "blur" }
    ],
    eventDate: [
      { required: true, message: "请选择事件日期", trigger: "change" }
    ]
  }
})

const { queryParams, form, rules } = toRefs(data)
const earOptions = ref([])
const earLoading = ref(false)
/** 查询修改电子耳号记录列表 */
async function getList() {
  loading.value = true;
  queryParams.value.params = {};
  if (queryParams.value.manageTags) {
    queryParams.value.params["manageTags"] = queryParams.value.manageTags;
  }
  // if (queryParams.value.sheepfoldId) {
  //   queryParams.value.params["sheepfoldId"] = queryParams.value.sheepfoldId;
  // }
  if (daterangeCreateTime.value && daterangeCreateTime.value.length > 0) {
    queryParams.value.params["beginCreateTime"] = daterangeCreateTime.value[0];
    queryParams.value.params["endCreateTime"] = daterangeCreateTime.value[1];
  }
  if (daterangeEventDate.value && daterangeEventDate.value.length > 0) {
    queryParams.value.params["beginEventDate"] = daterangeEventDate.value[0];
    queryParams.value.params["endEventDate"] = daterangeEventDate.value[1];
  }
  if (queryParams.value.technician) {                  // ✅ 新增
    queryParams.value.params["technician"] = queryParams.value.technician
  }
  const response = await listChangeEar(queryParams.value);

  changeEarList.value = response.rows.map(item => {
    item.earTypeName = item.earType === 0 ? '电子耳号' : '管理耳号';
    return item;
  });

  total.value = response.total;
  loading.value = false;
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    manageTags: null,
    earType: null,
    newTag: null,
    oldTag: null,
    technician: null,
    eventDate: null,
    comment: null,
    createBy: null,
    createTime: null
  }
  proxy.resetForm("changeEarRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  daterangeCreateTime.value = []
  daterangeEventDate.value = []
  // queryParams.value.sheepfoldName = null
  queryParams.value.technician = null
  queryParams.value.manageTags = null
  queryParams.value.newTag = null
  queryParams.value.oldTag = null
  queryParams.value.earType = null
  queryParams.value.manageTagsList = []
  queryParams.value.inGroup = 0
  proxy.resetForm("queryRef")

  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

// 新增按钮操作
function handleAdd() {
  reset()
  isAddMode.value = true
  open.value = true
  title.value = '添加耳号记录'
  form.value.eventDate = dayjs().format('YYYY-MM-DD')
}

// 修改按钮操作
function handleUpdate(row) {
  reset();
  isAddMode.value = false;
  const _id = row.id || ids.value;
  getChangeEar(_id).then(response => {
    response.data.earNumber = response.data.manageTags;
    form.value = response.data;
    open.value = true;
    title.value = "修改电子耳号记录";
  });
}

// 提交表单
function submitForm() {
  proxy.$refs["changeEarRef"].validate(valid => {
    if (valid) {
      if (!form.value.id) {
        if (!form.value.sheepId) {
          proxy.$modal.msgError('未找到对应的羊只，请检查耳号');
          return;
        }
      }

      if (form.value.id) {
        updateChangeEar(form.value).then(() => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addChangeEar(form.value).then(() => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

//校验新耳号
function checkNewTagExists() {
  if (!form.value.newTag || form.value.earType === null) {
    console.log("新耳号或耳号类型为空");
    return;
  }
  const tagValue = form.value.newTag.trim();
  if (!tagValue) {
    console.log("新耳号为空");
    return;
  }
  console.log("调用后端接口，参数：", { tag: tagValue, earType: form.value.earType });

  checkTagExists(tagValue, form.value.earType).then(res => {
    console.log("后端返回结果：", res);
    if (res.data.exists) {
      proxy.$modal.msgError('该耳号已存在，请更换');
      form.value.newTag = '';
    }
  }).catch(error => {
    console.error('校验耳号失败：', error);
    proxy.$modal.msgWarning('校验耳号失败，请重试');
  });
}

//查询旧耳号
function fetchOldTag() {
  const earNumber = form.value.earNumber.trim();
  const earType = form.value.earType;

  if (!earNumber || earType === null) {
    form.value.oldTag = '';
    form.value.sheepId = null;
    return;
  }

  getSheepByEarNumber(earNumber, earType).then(response => {
    const data = response.data;
    const sheep = data.sheep;
    const oldTag = data.oldTag;

    if (!sheep || !sheep.id) {
      form.value.oldTag = '';
      form.value.sheepId = null;
      proxy.$modal.warning("未找到对应的羊只");
      return;
    }

    form.value.oldTag = oldTag;
    form.value.sheepId = sheep.id;
  }).catch(error => {
    console.error("查询失败:", error);
    form.value.oldTag = '';
    form.value.sheepId = null;
    proxy.$modal.error("查询耳号失败，请重试");
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy.$modal.confirm('是否确认删除这条记录数据').then(function () {
    return delChangeEar(_ids)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => { })
}

/** 导出按钮操作 */
function handleExport() {
  queryParams.value.ids = ids.value;
  try {
    proxy.download('changeEar/changeEar/export', { ...queryParams.value }, `改耳号记录${Date.now()}.xlsx`);
  } finally {
    queryParams.value.ids = null;
  }
}

//加载羊舍数据
const sheepfoldOptions = ref([])
function getSheepfoldOptions() {
  listSheepfold({ pageNum: 1, pageSize: 9999 }).then(res => {
    sheepfoldOptions.value = res.rows
  })
}
// 搜索耳号的方法（用于下拉框远程搜索）
const searchEarNumber = async (query) => {
  if (!query || query.trim() === '') {
    earOptions.value = []
    return
  }
  
  earLoading.value = true
  try {
    // 调用API搜索耳号
    const res = await searchEarNumbers(query.trim())
    if (res.code === 200 && Array.isArray(res.data)) {
      earOptions.value = res.data
    } else {
      earOptions.value = []
    }
  } catch (error) {
    console.error('搜索耳号失败:', error)
    earOptions.value = []
    proxy.$modal.msgError('搜索耳号失败')
  } finally {
    earLoading.value = false
  }
}
/* 粘贴事件 */
function handlePaste() {
  nextTick(() => handlePasteSubmit())
}

/* 批量提交 */
function handlePasteSubmit() {
  if (!pasteText.value || !pasteText.value.trim()) return
  const separators = /[\p{White_Space},，\n\r\t]+/u
  const raw = pasteText.value.trim().split(separators).filter(v => v)
  const exist = new Set(queryParams.value.manageTagsList || [])
  const adds = []
  const dups = []
  raw.forEach(v => {
    if (!exist.has(v)) { adds.push(v); exist.add(v) }
    else dups.push(v)
  })
  if (adds.length) {
    queryParams.value.manageTagsList = [...(queryParams.value.manageTagsList || []), ...adds]
    proxy.$modal.msgSuccess(`成功添加 ${adds.length} 个耳号，当前共 ${queryParams.value.manageTagsList.length} 个` +
      (dups.length > 0 ? `，已忽略 ${dups.length} 个重复耳号` : ''))
  } else if (dups.length > 0) {
    proxy.$modal.msgWarning('所有耳号均已存在')
  }
  pasteText.value = ''
}

/* 切换展开/收起 */
function toggleExpand() {
  isExpanded.value = !isExpanded.value
}

/* 选择器变化时去重 */
function handleEarChange(val) {
  queryParams.value.manageTagsList = [...new Set(val)]
}

/* 一键清空 */
function clearEarNumbers() {
  queryParams.value.manageTagsList = []
  pasteText.value = ''
  isExpanded.value = false
}

/* 删除单个耳号 */
function removeEarNumber(tag) {
  const idx = queryParams.value.manageTagsList.indexOf(tag)
  if (idx > -1) queryParams.value.manageTagsList.splice(idx, 1)
}
onMounted(() => {
  getSheepfoldOptions();
  getList();
  fetchTechnicalList();
});
</script>

<style scoped>
.selected-ear-numbers {
  margin-bottom: 16px;
  padding: 10px;
  background: #f5f7fa;
  border-radius: 4px;
}
</style>