<template>
  <div class="app-container">
    <!-- 查询区域 -->
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="80px">

        <el-form-item label="羊只耳号" prop="allEarNumbers">
          <div style="display: flex; align-items: center; gap: 10px; flex-wrap: wrap;">
            <!-- 主选择器：不显示已选标签 -->
            <el-select v-model="queryParams.allEarNumbers" multiple filterable remote reserve-keyword
              placeholder="输入耳号搜索" :remote-method="searchEarNumber" :loading="earNumberLoading" allow-create
              default-first-option collapse-tags :max-collapse-tags="0" style="width: 300px"
              @change="handleEarNumberChange">
              <el-option v-for="item in earNumberOptions" :key="item" :label="item" :value="item" />
            </el-select>


            <!-- 辅助粘贴输入框 -->
            <el-input v-model="pasteInput" 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>


            <!-- 耳号计数显示 -->
            <el-tag v-if="queryParams.allEarNumbers && queryParams.allEarNumbers.length > 0" type="info" effect="plain"
              size="large">
              已选: {{ queryParams.allEarNumbers.length }} 个
            </el-tag>


            <!-- 清空按钮 -->
            <el-button type="danger" plain @click="clearAllEarNumbers"
              v-if="queryParams.allEarNumbers && queryParams.allEarNumbers.length > 0" :icon="Delete">
              清空全部
            </el-button>

          </div>


          <!-- 已选耳号展示区域（默认显示2个，可展开） -->
          <div v-if="queryParams.allEarNumbers && queryParams.allEarNumbers.length > 0"
            class="selected-ear-numbers-display" style="margin-top: 10px;">
            <!-- 显示前2个或全部耳号 -->
            <el-tag v-for="(tag, index) in displayedEarNumbers" :key="tag" closable @close="handleRemoveEarNumber(tag)"
              style="margin: 4px;" type="success">
              {{ tag }}
            </el-tag>


            <!-- 展开/收起按钮 -->
            <el-button v-if="queryParams.allEarNumbers.length > defaultShowCount" type="primary" link
              @click="toggleExpand" style="margin-left: 8px;">
              {{ isExpanded ? '收起' : `展开剩余 ${queryParams.allEarNumbers.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="羊只" prop="sheepId">
        <el-input v-model="queryParams.sheepNo" placeholder="请输入耳号,多个用空格分隔" clearable />
      </el-form-item> -->
      <el-form-item label="事件日期" style="width: 308px">
        <el-date-picker v-model="daterangeDatetime" 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="羊舍" prop="sheepfoldId">
        <el-select v-model="queryParams.sheepfoldId" clearable placeholder="请选择羊舍" style="width: 120px;" filterable>
          <el-option v-for="s in sheepfoldOptions" :key="s.value" :label="s.label" :value="s.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="疾病类型" prop="diseasePid">
        <el-select v-model="queryParams.diseasePid" clearable placeholder="请选择疾病类型" style="width: 120px;" filterable
          @change="handleDiseaseTypeChange">
          <el-option v-for="d in pDiseaseOptions" :key="d.id" :label="d.name" :value="d.id" />
        </el-select>
      </el-form-item>

      <el-form-item label="子疾病" prop="diseaseId">
        <el-select v-model="queryParams.diseaseId" :disabled="!queryParams.diseasePid" clearable placeholder="请选择疾病类型"
          style="width: 120px;" filterable>
          <el-option v-for="d in cDiseaseOptions" :key="d.id" :label="d.name" :value="d.id" />
        </el-select>
      </el-form-item>

      <el-form-item label="诊疗结果" prop="result">
        <el-select v-model="queryParams.result" clearable placeholder="请选择诊疗结果" style="width: 120px;">
          <el-option v-for="r in diag_result" :key="r.value" :label="r.label" :value="r.value" />
        </el-select>
      </el-form-item>

      <el-form-item label="治疗天数" prop="treatDay">
        <el-input v-model="queryParams.treatDay" placeholder="请输入治疗天数" clearable />
      </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>

    <!-- 按钮区域 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['diagnosis:diagnosis: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="['diagnosis:diagnosis:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['diagnosis:diagnosis: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="diagnosisList" @selection-change="handleSelectionChange" max-height="650px"
      @sort-change="handleSortChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="耳号" align="center" prop="sheepNo" />
      <el-table-column label="事件日期" align="center" prop="datetime" width="150">
        <template #default="scope">
          <span>{{ parseTime(scope.row.datetime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="羊只类别" align="center" prop="sheepType" />
      <el-table-column label="性别" align="center" prop="gender">
        <template #default="scope"><dict-tag :options="sheep_gender" :value="scope.row.gender" /></template>
      </el-table-column>
      <el-table-column label="胎次" align="center" prop="parity" sortable="custom" />
      <el-table-column label="疾病类型" align="center" prop="diseasePName" />
      <el-table-column label="子疾病" align="center" prop="diseaseName" />
      <el-table-column label="诊疗结果" align="center" prop="result">
        <template #default="scope"><dict-tag :options="diag_result" :value="scope.row.result" /></template>
      </el-table-column>
      <el-table-column label="开始时间" align="center" prop="begindate" width="150" sortable="custom">
        <template #default="scope">
          <span>{{ parseTime(scope.row.begindate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="结束时间" align="center" prop="enddate" width="150" sortable="custom">
        <template #default="scope">
          <span>{{ parseTime(scope.row.enddate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="治疗天数" align="center" prop="treatDay" sortable="custom" />
      <el-table-column label="羊舍" align="center" prop="sheepfold" width="150px" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="140px">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['diagnosis:diagnosis:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['diagnosis:diagnosis:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" :page-sizes="[20, 50, 100, 200, 500, 1000, 2000]" @pagination="getList" />

    <el-dialog :title="title" v-model="open" width="45%" append-to-body>
      <el-form ref="diagnosisRef" :model="form" :rules="rules" label-width="90px">

        <!-- 只读信息 -->
        <el-row :gutter="20" class="info-block">
          <el-col :span="12">
            <el-form-item label="羊只耳号">
              <span class="readonly-text">{{ form.sheepNo }}</span>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="时间日期">
              <span class="readonly-text">{{ form.datetime }}</span>
            </el-form-item>
          </el-col>

          <el-col :span="8">
            <el-form-item label="性别">
              <span class="readonly-text"> <dict-tag :options="sheep_gender" :value="form.gender" /></span>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="胎次">
              <span class="readonly-text">{{ form.parity }}</span>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="月龄">
              <span class="readonly-text">{{ form.monthAge }}</span>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="疾病类型">
              <span class="readonly-text">{{ form.diseasePName }}</span>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="子疾病">
              <span class="readonly-text">{{ form.diseaseName }}</span>
            </el-form-item>
          </el-col>
        </el-row>

        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="开始时间">
              <span class="readonly-text">{{ form.begindate }}</span>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="结束时间" prop="enddate">
              <el-date-picker v-model="form.enddate" type="date" value-format="YYYY-MM-DD" style="width: 100%" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="治疗天数">
              <span class="readonly-text">{{ form.treatDay }} 天</span>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="诊疗结果">
              <el-select v-model="form.result" clearable placeholder="请选择诊疗结果">
                <el-option v-for="r in diag_result" :key="r.value" :label="r.label" :value="r.value" />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="羊舍">
              <el-select v-model="form.sheepfoldId" clearable placeholder="请选择羊舍" filterable>
                <el-option v-for="s in sheepfoldOptions" :key="s.value" :label="s.label" :value="s.value" />
              </el-select>
            </el-form-item>
          </el-col>

          <el-col :span="24">
            <el-form-item label="备注" prop="remark">
              <el-input v-model="form.remark" type="textarea" :rows="3" placeholder="请输入备注信息" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button @click="cancel">取 消</el-button>
          <el-button type="primary" @click="submitForm">确 定</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template><script setup name="Diagnosis">
import {
  listDiagnosis,
  getDiagnosis,
  delDiagnosis,
  updateDiagnosis,
} from '@/api/biosafety/diagnosis'
import { listSheepfold_management } from '@/api/fileManagement/sheepfold_management'
import { listDisease } from '@/api/biosafety/disease'
import { getCurrentInstance, onMounted, ref, watch } from 'vue'
import { searchEarNumbers } from '@/api/common/sheep'
import { getUserByPost } from '@/api/common/user'

const technicalOptions = ref([])   //自定义技术员数组变量

// 获取技术员列表
const fetchTechnicalList = () => {
  getUserByPost({ postCode: "techs" })
    .then(res => {
      if (res.code === 200 && Array.isArray(res.data)) {
        technicalOptions.value = res.data.map(item => ({
          // value: item.userId,
          value: item.nickName,
          label: item.nickName,
          // postName: item.postName,      // 保留用于下拉显示
          // postCode: item.postCode       // 保留用于逻辑判断
        }))
        console.log(technicalOptions.value);

      } else {
        technicalOptions.value = []
        ElMessage.warning(res.msg || '获取技术员列表失败')
      }
    })

}



/* ---------- 基础依赖 ---------- */
const { proxy } = getCurrentInstance()
const { sheep_gender, diag_result } = proxy.useDict('sheep_gender', 'diag_result')

/* ---------- 表格 & 分页 ---------- */
const diagnosisList = ref([])
const loading = ref(true)
const total = ref(0)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)

/* ---------- 查询参数 ---------- */
const daterangeDatetime = ref([])        // 日期区间
const queryParams = ref({
  pageNum: 1,
  pageSize: 20,
  sheepNo: null,
  allEarNumbers: null,
  datetime: null,
  diseasePid: null,
  diseaseId: null,
  result: null,
  treatDay: null,
  sheepfoldId: null,
  orderByColumn: null,
  isAsc: null,
})

/* ---------- 表单 & 校验 ---------- */
const open = ref(false)
const title = ref('')
const diagnosisRef = ref(null)
const form = ref({
  id: undefined,
  sheepNo: undefined,
  datetime: undefined,
  diseasePid: undefined,
  diseaseId: undefined,
  result: undefined,
  begindate: undefined,
  enddate: undefined,
  treatDay: undefined,
  sheepfoldId: undefined,
  remark: undefined,
})

const rules = {
  enddate: [
    {
      validator: (rule, value, callback) => {
        if (!value) return callback(new Error('请选择结束时间'))
        if (new Date(value) < new Date(form.value.begindate)) {
          return callback(new Error('结束时间不能早于开始时间'))
        }
        callback()
      },
      trigger: 'change',
    },
  ],
}

// 响应式数据
const pasteInput = ref('')           // 批量粘贴输入框
const earNumberOptions = ref([])     // 耳号下拉选项
const earNumberLoading = ref(false)  // 耳号加载状态
const isExpanded = ref(false)        // 控制耳号展开/折叠状态
const defaultShowCount = 2           // 默认显示的耳号数量

// 计算属性：控制显示的耳号列表
const displayedEarNumbers = computed(() => {
  if (!queryParams.allEarNumbers || queryParams.allEarNumbers.length === 0) {
    return []
  }

  // 如果展开或总数<=2，显示全部；否则只显示前2个
  if (isExpanded.value || queryParams.allEarNumbers.length <= defaultShowCount) {
    return queryParams.allEarNumbers
  } else {
    return queryParams.allEarNumbers.slice(0, defaultShowCount)
  }
})
/** 处理粘贴事件 */
function handlePaste(event) {
  nextTick(() => {
    handlePasteSubmit()
  })
}

/** 处理粘贴内容提交 */
function handlePasteSubmit() {
  if (!pasteInput.value || pasteInput.value.trim() === '') {
    return
  }

  // 支持多种分隔符: 空格、换行、逗号、制表符
  const separators = /[\s,，\n\r\t]+/
  const earNumbers = pasteInput.value
    .trim()
    .split(separators)
    .filter(item => item.trim() !== '')
    .map(item => item.trim())

  if (earNumbers.length === 0) {
    return
  }

  // 去重并添加到已选列表
  const existingSet = new Set(queryParams.value.allEarNumbers || [])
  const newEarNumbers = []
  const duplicates = []

  earNumbers.forEach(earNumber => {
    if (!existingSet.has(earNumber)) {
      newEarNumbers.push(earNumber)
      existingSet.add(earNumber)
    } else {
      duplicates.push(earNumber)
    }
  })

  // 添加新耳号
  if (newEarNumbers.length > 0) {
    queryParams.value.allEarNumbers = [
      ...(queryParams.value.allEarNumbers || []),
      ...newEarNumbers
    ]

    const message = `成功添加 ${newEarNumbers.length} 个耳号，当前共 ${queryParams.value.allEarNumbers.length} 个` +
      (duplicates.length > 0 ? `，已忽略 ${duplicates.length} 个重复耳号` : '')

    proxy.$modal.msgSuccess(message)
  } else if (duplicates.length > 0) {
    proxy.$modal.msgWarning(`所有耳号均已存在，当前共 ${queryParams.value.allEarNumbers.length} 个`)
  }

  // 清空输入框
  pasteInput.value = ''
}

/** 远程搜索耳号 */
function searchEarNumber(query) {
  if (query !== '') {
    earNumberLoading.value = true

    const queries = query.trim().split(/[\s,，]+/).filter(q => q)

    if (queries.length === 1) {
      // 单个耳号模糊搜索
      searchEarNumbers(query).then(response => {
        earNumberOptions.value = response.data || []
        earNumberLoading.value = false
      }).catch(() => {
        earNumberOptions.value = []
        earNumberLoading.value = false
      })
    } else {
      // 多个耳号直接作为选项
      earNumberOptions.value = queries
      earNumberLoading.value = false
    }
  } else {
    earNumberOptions.value = []
  }
}

/** 耳号选择变化处理 */
function handleEarNumberChange(value) {
  queryParams.value.allEarNumbers = [...new Set(value)]
  console.log(`已选择 ${queryParams.value.allEarNumbers.length} 个耳号:`, queryParams.value.allEarNumbers)
}

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

/** 移除单个耳号 */
function handleRemoveEarNumber(tag) {
  const index = queryParams.value.allEarNumbers.indexOf(tag)
  if (index > -1) {
    queryParams.value.allEarNumbers.splice(index, 1)
    proxy.$modal.msgSuccess('已移除该耳号')
  }

  // 如果删除后剩余<=2个，自动收起
  if (queryParams.value.allEarNumbers.length <= defaultShowCount) {
    isExpanded.value = false
  }
}

/** 清空所有耳号 */
function clearAllEarNumbers() {
  proxy.$modal.confirm('确定要清空所有已选择的耳号吗？').then(() => {
    queryParams.value.allEarNumbers = []
    pasteInput.value = ''
    earNumberOptions.value = []
    isExpanded.value = false  // 重置展开状态
    proxy.$modal.msgSuccess('已清空所有耳号')
  }).catch(() => { })
}

/* ---------- 下拉数据源 ---------- */
const pDiseaseOptions = ref([])
const cDiseaseOptions = ref([])
const sheepfoldOptions = ref([])

/* ---------- 疾病下拉 ---------- */
function getDiseases() {
  listDisease().then((res) => {
    const tree = proxy.handleTree(res.data, 'id', 'pid')
    pDiseaseOptions.value = tree.filter((o) => o.pid === 0)
  })
}
function handleDiseaseTypeChange(pid) {
  if (!pid) {
    cDiseaseOptions.value = []
    queryParams.value.diseaseId = null
    return
  }
  listDisease({ pid }).then((res) => {
    cDiseaseOptions.value = res.data
  })
}

/* ---------- 获取列表 ---------- */
function getList() {
  loading.value = true
  // 组装日期区间
  queryParams.value.params = {}
  if (daterangeDatetime.value?.length === 2) {
    queryParams.value.params.beginDatetime = daterangeDatetime.value[0]
    queryParams.value.params.endDatetime = daterangeDatetime.value[1]
  }
  listDiagnosis(queryParams.value).then((res) => {
    diagnosisList.value = res.rows
    total.value = res.total
    loading.value = false
  })
}

/* ---------- 搜索 / 重置 ---------- */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}
function resetQuery() {
  proxy.resetForm('queryRef')
  daterangeDatetime.value = []
  resetQueryParams()
  handleQuery()
}
function resetQueryParams() {
  queryParams.value = {
    pageNum: 1,
    pageSize: 20,
    sheepNo: null,
    datetime: null,
    diseasePid: null,
    diseaseId: null,
    result: null,
    treatDay: null,
    sheepfoldId: null,
    orderByColumn: null,
    isAsc: null,
  }
}

/* ---------- 多选 ---------- */
function handleSelectionChange(selection) {
  ids.value = selection.map((i) => i.id)
  single.value = selection.length !== 1
  multiple.value = !selection.length
}

/* ---------- 排序 ---------- */
function handleSortChange({ prop, order }) {
  if (!order) {
    queryParams.value.orderByColumn = null
    queryParams.value.isAsc = null
  } else {
    queryParams.value.orderByColumn = prop
    queryParams.value.isAsc = order === 'ascending' ? 'asc' : 'desc'
  }
  getList()
}

/* ---------- 新增 / 修改 ---------- */
function handleUpdate(row) {
  reset()
  const id = row.id || ids.value
  getDiagnosis(id).then((res) => {
    form.value = res.data
    open.value = true
    title.value = '修改诊疗结果'
  })
}

/* ---------- 提交 ---------- */
function submitForm() {
  proxy.$refs.diagnosisRef.validate((valid) => {
    if (!valid) return
    updateDiagnosis(form.value).then(() => {
      proxy.$modal.msgSuccess('修改成功')
      open.value = false
      getList()
    })
  })
}

/* ---------- 删除 ---------- */
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy
    .$modal.confirm('是否确认删除诊疗结果编号为"' + _ids + '"的数据项？')
    .then(() => delDiagnosis(_ids))
    .then(() => {
      getList()
      proxy.$modal.msgSuccess('删除成功')
    })
}

/* ---------- 导出 ---------- */
function handleExport() {
  proxy.download(
    'diagnosis/diagnosis/export',
    { ...queryParams.value },
    `diagnosis_${new Date().getTime()}.xlsx`
  )
}

/* ---------- 弹窗取消 / 重置 ---------- */
function cancel() {
  open.value = false
  reset()
}
function reset() {
  form.value = {
    id: undefined,
    sheepNo: undefined,
    datetime: undefined,
    diseasePid: undefined,
    diseaseId: undefined,
    result: undefined,
    begindate: undefined,
    enddate: undefined,
    treatDay: undefined,
    sheepfoldId: undefined,
    remark: undefined,
  }
  proxy.resetForm('diagnosisRef')
}

/* ---------- 自动计算治疗天数 ---------- */
const calcTreatDay = () => {
  const { begindate, enddate } = form.value
  if (!begindate || !enddate) {
    form.value.treatDay = 0
    return
  }
  const diff = Math.ceil(
    (new Date(enddate) - new Date(begindate)) / (1000 * 60 * 60 * 24)
  )
  form.value.treatDay = diff >= 0 ? diff : 0
}
watch(() => form.value.begindate, calcTreatDay)
watch(() => form.value.enddate, calcTreatDay)

/* ---------- 初始化 ---------- */
onMounted(() => {
  getList()
  getDiseases()
  listSheepfold_management().then((res) => {
    sheepfoldOptions.value = res.rows.map((i) => ({
      value: i.id,
      label: i.sheepfoldName,
    }))
  })
  fetchTechnicalList()  // 获取技术员列表
})
</script>

<style scoped>
/* 已选耳号展示区样式 */
.selected-ear-numbers-display {
  max-height: 150px;
  overflow-y: auto;
  padding: 8px;
  background-color: #f5f7fa;
  border-radius: 4px;
  border: 1px dashed #dcdfe6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

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

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

.selected-ear-numbers-display::-webkit-scrollbar-track {
  background-color: #f5f7fa;
}

.selected-ear-numbers-display .el-tag {
  margin: 4px;
  cursor: pointer;
}

.selected-ear-numbers-display .el-tag:hover {
  opacity: 0.8;
}

/* 隐藏 el-select 的下拉箭头（可选） */
:deep(.el-select__caret) {
  display: none;
}
</style>
