<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="事件日期" style="width: 308px">
        <el-date-picker v-model="daterangeEventDate" value-format="YYYY-MM-DD" type="daterange" range-separator="-"
          start-placeholder="开始日期" end-placeholder="结束日期" />
      </el-form-item>
      <el-form-item label="管理耳号" prop="manageTagsList">
        <div style="display:flex;align-items:center;gap:8px;flex-wrap:wrap;">
          <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:260px" @change="handleEarChange">
            <el-option v-for="item in earOptions" :key="item" :label="item" :value="item" />
          </el-select>
          <el-input v-model="pasteText" placeholder="或粘贴多个耳号(空格/换行/逗号分隔)" style="width:260px" @paste="handlePaste"
            @keyup.enter="handlePasteSubmit" clearable>
            <template #append>
              <el-button @click="handlePasteSubmit" :icon="Plus">添加</el-button>
            </template>
          </el-input>
          <el-tag v-if="queryParams.manageTagsList.length" type="info" effect="plain" size="large">
            已选: {{ queryParams.manageTagsList.length }} 个
          </el-tag>
          <el-button type="danger" plain :icon="Delete" @click="clearEarNumbers"
            v-if="queryParams.manageTagsList.length">
            清空全部
          </el-button>
        </div>
        <div v-if="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="羊舍" prop="sheepfold">
        <el-select v-model="queryParams.sheepfold" placeholder="请选择羊舍" style="min-width:150px" clearable>
          <el-option v-for="item in sheepfoldOptions" :key="item.id" :label="item.sheepfoldName" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="品种" prop="varietyId">
        <el-select v-model="queryParams.varietyId" placeholder="请选择品种" style="min-width:150px" clearable>
          <el-option v-for="item in varietyOptions" :key="item.id" :label="item.variety" :value="item.id" />
        </el-select>
      </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="isDelete">
        <el-select v-model="queryParams.isDelete" placeholder="全部" clearable style="min-width:120px">
          <el-option label="全部" value="" />
          <el-option label="在群" :value="0" />
          <el-option label="离群" :value="1" />
        </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>
    <!-- 按钮 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          v-hasPermi="['produce:fixHoof:add']">新增</el-button>
      </el-col>
      <!-- 按需添加 是否需要修改功能 -->
      <!-- <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['produce:fixHoof: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="['produce:fixHoof:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['produce:fixHoof:export']">导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList" />
    </el-row>

    <!-- 列表 -->
    <el-table v-loading="loading" :data="fixHoofList" @selection-change="handleSelectionChange">
      <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" width="120" />
      <el-table-column label="修蹄日期" align="center" prop="eventDate" width="130">
        <template #default="scope">
          <span>{{ parseTime(scope.row.eventDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <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">
          <!-- 按需添加 是否需要修改功能 -->
          <!-- <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['produce:fixHoof:edit']">修改</el-button> -->
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['produce:fixHoof:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <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]" />

    <!-- 弹窗 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="fixHoofRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="管理耳号" prop="manageTags">
          <el-input v-model="form.manageTags" placeholder="请输入管理耳号" @blur="onManageTagsBlur" clearable />
        </el-form-item>
        <!-- 新增弹窗已选耳号展示区 -->
        <div v-if="batchTags.length" class="selected-ear-numbers">
          <el-tag v-for="(tag, idx) in batchTags" :key="tag" closable @close="removeBatchTag(idx)" style="margin:4px"
            type="success">
            {{ tag }}
          </el-tag>
          <el-button type="primary" link @click="clearBatchTags">
            一键清空 ({{ batchTags.length }})
          </el-button>
        </div>
        <el-form-item label="事件日期" prop="eventDate">
          <el-date-picker v-model="form.eventDate" value-format="YYYY-MM-DD" type="date" placeholder="请选择事件日期"
            clearable />
        </el-form-item>
        <el-form-item label="羊舍" prop="sheepfold">
          <el-select v-model="form.sheepfold" placeholder="请选择羊舍" clearable filterable :filter-method="filterSheepfold"
            @change="loadSheepBySheepfold">
            <el-option v-for="fold in filteredSheepfoldOptions" :key="fold.id" :label="fold.sheepfoldName"
              :value="fold.id" />
          </el-select>
        </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" 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="备注" prop="comment">
          <el-input v-model="form.comment" type="textarea" :rows="3" placeholder="请输入备注" />
        </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="FixHoof">
import { listFixHoof, getFixHoof, delFixHoof, addFixHoof, updateFixHoof, checkSheepByManageTags, getVarietyOptions, getSheepBySheepfoldId, searchEarNumbers } from '@/api/produce/other/fixHoof'
import { listSheepfold_management as listSheepfold } from '@/api/fileManagement/sheepfold_management'
import { Plus, Delete, ArrowUp, ArrowDown } from '@element-plus/icons-vue'
import { nextTick } from 'vue'
import dayjs from 'dayjs'
import { getUserByPost } from '@/api/common/user'
const { proxy } = getCurrentInstance()

const fixHoofList = 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 varietyOptions = ref([])
const filteredSheepfoldOptions = ref([])
const batchTags = ref([])   // 本次要新增的多条耳号
const batchSheep = ref([])  // 对应的羊只对象
// 技术员下拉选项
const technicalOptions = ref([])
const daterangeEventDate = ref([])
const pasteText = ref('')
const isExpanded = ref(false)
const defaultShowCount = 2
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: {
    sheepfold: null,
    manageTags: [],
    tagDetails: {},
    eventDate: null,
  },
  queryParams: {
    pageNum: 1,
    pageSize: 20,
    sheepId: null,
    sheepfold: null,
    varietyId: null,
    technician: null,
    createTime: null,
    manageTagsList: [],
    isDelete: null
  },
  rules: {
    manageTags: [
      { required: true, message: '请输入管理耳号', 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)
// 羊舍变化处理：自动加载该羊舍下所有羊（清空已有）
function loadSheepBySheepfold() {
  const sheepfoldId = form.value.sheepfold
  if (!sheepfoldId) return

  // 清空已有耳号
  batchTags.value = []
  batchSheep.value = []
  form.value.manageTags = ''

  getSheepBySheepfoldId(sheepfoldId)
    .then(res => {
      const sheepList = res.data || []
      if (sheepList.length === 0) {
        proxy.$modal.msgInfo('该羊舍下暂无羊只')
        return
      }

      // 填充该羊舍所有羊
      for (const sheep of sheepList) {
        batchTags.value.push(sheep.manageTags)
        batchSheep.value.push(sheep)
      }

      form.value.manageTags = batchTags.value.join(' ')
      proxy.$modal.msgSuccess(`已加载 ${batchTags.value.length} 只羊`)
    })
    .catch(error => {
      console.error('加载羊舍耳号失败', error)
      proxy.$modal.msgError('加载耳号失败，请重试')
    })
}

function filterSheepfold(query) {
  if (!query) {
    filteredSheepfoldOptions.value = sheepfoldOptions.value
    return
  }
  filteredSheepfoldOptions.value = sheepfoldOptions.value.filter(fold =>
    fold.sheepfoldName.includes(query)
  )
}
// 输入耳号后校验并追加（不清空已有）
async function onManageTagsBlur() {
  const raw = form.value.manageTags?.trim()
  if (!raw) return

  // 按分隔符拆分
  const separators = /[\p{White_Space},，]+/u
  const newTags = [...new Set(raw.split(separators).filter(v => v))]

  // 过滤掉已存在的
  const existTags = new Set(batchTags.value)
  const tagsToAdd = newTags.filter(tag => !existTags.has(tag))

  if (tagsToAdd.length === 0) {
    form.value.manageTags = batchTags.value.join(' ')
    return
  }

  // 校验并追加新耳号
  for (const tag of tagsToAdd) {
    const sheep = await checkSheepByManageTags(tag).then(r => r.data).catch(() => null)
    if (!sheep) {
      proxy.$modal.msgWarning(`耳号 ${tag} 不存在，已跳过`)
      continue
    }
    batchTags.value.push(tag)
    batchSheep.value.push(sheep)
  }

  // 回写所有耳号
  form.value.manageTags = batchTags.value.join(' ')
}

//获取修蹄列表
function getList() {
  loading.value = true
  const q = { ...queryParams.value }
  if (q.sheepId === '') q.sheepId = null
  if (q.sheepfold === '') q.sheepfold = null
  if (q.varietyId === '') q.varietyId = null
  q.params = {}
  if (daterangeCreateTime.value?.length) {
    q.params.beginCreateTime = daterangeCreateTime.value[0]
    q.params.endCreateTime = daterangeCreateTime.value[1]
  }
  if (daterangeEventDate.value?.length) {
    q.params.beginEventDate = daterangeEventDate.value[0]
    q.params.endEventDate = daterangeEventDate.value[1]
  }
  if (q.technician) {
    q.params.technician = q.technician
  }
  listFixHoof(q).then(res => {
    fixHoofList.value = res.rows
    total.value = res.total
    loading.value = false
  })
  getVarietyOptions({ pageNum: 1, pageSize: 9999 }).then(res => {
    varietyOptions.value = res.rows || []
  })
}

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

//重置
function reset() {
  form.value = {
    id: null,
    manageTags: '',
    sheepfold: null,
    technician: null,
    eventDate: null,
    comment: null
  }
  batchTags.value = []
  batchSheep.value = []
  filteredSheepfoldOptions.value = sheepfoldOptions.value
  proxy.resetForm('fixHoofRef')
}

//搜索
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

//重置
function resetQuery() {
  daterangeCreateTime.value = []
  daterangeEventDate.value = []
  queryParams.value.varietyId = null
  queryParams.value.manageTagsList = []
  queryParams.value.technician = null
  queryParams.value.isDelete = null
  proxy.resetForm('queryRef')
  handleQuery()
}

function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id)
  single.value = selection.length !== 1
  multiple.value = !selection.length
}

//新增
function handleAdd() {
  reset()
  open.value = true
  title.value = '添加修蹄'
  form.value.eventDate = dayjs().format('YYYY-MM-DD')
}

//修改
function handleUpdate(row) {
  reset()
  const _id = row.id || ids.value
  getFixHoof(_id).then(res => {
    const fixHoofData = res.data;
    fixHoofData.manageTags = fixHoofData.manageTags ? [fixHoofData.manageTags] : [];
    form.value = fixHoofData;
    open.value = true
    title.value = '修改修蹄'
  })
}

//提交
function submitForm() {
  if (batchTags.value.length === 0) {
    proxy.$modal.msgError('请输入至少一个有效耳号')
    return
  }
  if (!form.value.technician) {
    proxy.$modal.msgError('请选择技术员')
    return
  }
  if (!form.value.eventDate) {
    proxy.$modal.msgError('请选择事件日期')
    return
  }

  const fixHoofList = batchTags.value.map((tag, idx) => ({
    manageTags: tag,
    sheepId: batchSheep.value[idx].id,
    sheepfold: batchSheep.value[idx].sheepfoldId,
    varietyId: batchSheep.value[idx].varietyId,
    technician: form.value.technician,
    eventDate: form.value.eventDate,
    comment: form.value.comment || ''
  }))

  addFixHoof(fixHoofList)
    .then(() => {
      proxy.$modal.msgSuccess(`成功新增 ${batchTags.value.length} 条修蹄记录`)
      open.value = false
      getList()
    })
    .catch(error => {
      proxy.$modal.msgError(`处理失败：${error.message}`)
    })
}
/* 删除单个批量耳号 */
function removeBatchTag(idx) {
  batchTags.value.splice(idx, 1)
  batchSheep.value.splice(idx, 1)
  form.value.manageTags = batchTags.value.join(' ')
}

/* 一键清空批量耳号 */
function clearBatchTags() {
  batchTags.value = []
  batchSheep.value = []
  form.value.manageTags = ''
  form.value.sheepfold = null
}
//删除
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy.$modal.confirm(`是否确认删除这条记录数据`).then(() => {
    return delFixHoof(_ids)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess('删除成功')
  })
}

//导出
function handleExport() {
  proxy.download('/produce/other/fixHoof/export', { ...queryParams.value }, `fixHoof_${new Date().getTime()}.xlsx`)
}

//加载羊舍数据
const sheepfoldOptions = ref([])
function getSheepfoldOptions() {
  listSheepfold({ pageNum: 1, pageSize: 9999 }).then(res => {
    sheepfoldOptions.value = res.rows
    filteredSheepfoldOptions.value = res.rows
  })
}
// 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 = []
    })
}
function searchEarNumber(query) {
  if (!query) { earOptions.value = []; return }
  earLoading.value = true
  searchEarNumbers(query.trim()).then(res => {
    earOptions.value = res.data || []
  }).finally(() => earLoading.value = false)
}
function clearEarNumbers() {
  queryParams.value.manageTagsList = []
}

function removeEarNumber(tag) {
  const idx = queryParams.value.manageTagsList.indexOf(tag)
  if (idx > -1) queryParams.value.manageTagsList.splice(idx, 1)
}
function handlePaste() {
  nextTick(() => handlePasteSubmit())
}

function handlePasteSubmit() {
  if (!pasteText.value.trim()) return
  const separators = /[\s,，\n\r\t]+/
  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 ${adds.length} 个耳号${dups.length ? `，已忽略 ${dups.length} 个重复` : ''}`)
  } else if (dups.length) {
    proxy.$modal.msgWarning('所有耳号均已存在')
  }
  pasteText.value = ''
}

function toggleExpand() {
  isExpanded.value = !isExpanded.value
}

function handleEarChange(val) {
  queryParams.value.manageTagsList = [...new Set(val)]
}
onMounted(() => {
  getSheepfoldOptions()
  getVarietyOptions()
  fetchTechnicalList()
  getList()
})
</script>

<style scoped>
.tag-count {
  color: #606266;
  background-color: #f5f7fa;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
}

.selected-ear-numbers {
  max-height: 150px;
  overflow-y: auto;
  padding: 8px;
  background: #f5f7fa;
  border-radius: 4px;
  border: 1px dashed #dcdfe6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.selected-ear-numbers::-webkit-scrollbar {
  width: 6px;
}

.selected-ear-numbers::-webkit-scrollbar-thumb {
  background-color: #dcdfe6;
  border-radius: 3px;
}
</style>