<template>
  <div class="app-container">
    <!-- 查询表单 -->
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="管理耳号" prop="manageTags">
        <el-input v-model="queryParams.manageTags" placeholder="请输入管理耳号" clearable @keyup.enter="handleQuery" style="width: 150px;"/>
      </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="转入牧场" prop="transTo">
        <el-select v-model="queryParams.transTo" placeholder="请选择转入牧场" clearable style="min-width:150px">
          <el-option v-for="ranch in ranchOptions" :key="ranch.id" :label="ranch.ranchName" :value="ranch.ranchName" />
        </el-select>
      </el-form-item>
      <el-form-item label="当前牧场" prop="transFrom">
        <el-select v-model="queryParams.transFrom" placeholder="请选择当前牧场" clearable style="min-width:150px">
          <el-option v-for="ranch in ranchOptions" :key="ranch.id" :label="ranch.ranchName" :value="ranch.ranchName" />
        </el-select>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" style="width: 150px" placeholder="请选择状态" clearable>
          <el-option v-for="dict in status" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="创建时间" style="width: 308px">
        <el-date-picker v-model="daterangeCreateTime" 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>
        <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>

    <!-- 按钮行 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          v-hasPermi="['transition_info:transition_info: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="['transition_info:transition_info: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="['transition_info:transition_info:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['transition_info:transition_info: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="transition_infoList" @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="转入牧场" align="center" prop="transTo" />
      <el-table-column label="当前牧场" align="center" prop="transFrom" />
      <el-table-column label="状态" align="center" prop="status">
        <template #default="scope">
          <dict-tag :options="status" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="技术员" align="center" prop="technician" />
      <el-table-column label="状态" align="center" prop="statusText" />
      <el-table-column label="备注" align="center" prop="comment" />
      <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}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" min-width="180">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleApprove(scope.row)"
            v-hasPermi="['transition_info:transition_info:approve']">审批</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['transition_info:transition_info: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" />

    <!-- 新增/修改 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="transition_infoRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="管理耳号" prop="manageTags">
          <el-select v-model="form.manageTags" placeholder="请输入或选择耳号" filterable multiple allow-create
            @change="loadSheepInfo" :disabled="!isAdd" >
            <el-option v-for="sheep in sheepOptions" :key="sheep.id" :label="sheep.manageTags"
              :value="sheep.manageTags" />
          </el-select>
        </el-form-item>

        <el-form-item label="转入牧场" prop="transTo">
          <el-select v-model="form.transTo" placeholder="请选择转入牧场" clearable :disabled="!isAdd" >
            <el-option v-for="ranch in ranchOptions" :key="ranch.id" :label="ranch.ranchName"
              :value="ranch.ranchName" />
          </el-select>
        </el-form-item>

        <el-form-item label="当前牧场" prop="transFrom">
          <el-select v-model="form.transFrom" placeholder="请选择当前牧场" clearable @change="handleRanchChange" :disabled="!isAdd" >
            <el-option v-for="ranch in ranchOptions" :key="ranch.id" :label="ranch.ranchName"
              :value="ranch.ranchName" />
          </el-select>
        </el-form-item>

        <el-form-item label="转场类型" prop="transType">
          <el-select v-model="form.transType" placeholder="请选择转场类型">
            <el-option v-for="dict in trans_type" :key="dict.value" :label="dict.label" :value="parseInt(dict.value)" />
          </el-select>
        </el-form-item>

        <el-form-item label="技术员" prop="technician">
          <el-input v-model="form.technician" placeholder="请输入技术员" />
        </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>

    <!-- 审批对话框 -->
    <el-dialog :title="'审批转场记录'" v-model="approveDialog" width="500px" append-to-body>
      <el-form ref="approveFormRef" :model="approveForm" label-width="120px">
        <el-form-item label="管理耳号">
          <el-input v-model="displayManageTags" disabled />
        </el-form-item>
        <el-form-item label="品种">
          <el-input :value="approveForm.varietyName" disabled />
        </el-form-item>
        <el-form-item label="转入牧场">
          <el-input :value="approveForm.transTo" disabled />
        </el-form-item>
        <el-form-item label="当前牧场">
          <el-input :value="approveForm.transFrom" disabled />
        </el-form-item>
        <el-form-item label="转场类型">
          <el-input :value="approveForm.transTypeText || '未知类型'" disabled />
        </el-form-item>
        <el-form-item label="技术员">
          <el-input v-model="approveForm.technician" disabled />
        </el-form-item>
        <el-form-item label="备注">
          <el-input v-model="approveForm.comment" disabled />
        </el-form-item>
        <el-form-item label="状态">
          <el-input :value="getStatusLabel(approveForm.status)" disabled />
        </el-form-item>
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleApproveAgree">同意</el-button>
          <el-button type="danger" @click="handleApproveReject">驳回</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Transition_info">
import { listTransition_info, getTransition_info, delTransition_info, addTransition_info, getSheepByRanchId, updateTransition_info, listRanch,approveTransitionInfo } from "@/api/produce/manage_sheep/transition_info"
import { checkSheepByManageTags, getSheepBySheepfoldId } from '@/api/produce/other/fixHoof'
import request from '@/utils/request'


const { proxy } = getCurrentInstance()
const { status, trans_type } = proxy.useDict('status', 'trans_type')

const transition_infoList = 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 approveDialog = ref(false)
const approveForm = ref({})
const displayManageTags = ref('')
const varietyOptions = ref([])
const ranchOptions = ref([]);
const sheepOptions = ref([]); 
const isAdd = ref(true); 
const isEdit = ref(false); 

const data = reactive({
  form: {
    id: null,
    manageTags: [],
    transTo: null,
    transFrom: null,
    transType: null,
    technician: null,
    tagDetails: {} 
  },
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    manageTags: [],
    varietyId: null,
    transTo: null,
    transFrom: null,
    status: null,
    createTime: null
  },
  rules: {
    manageTags:[
      { required: true, message: "请输入管理耳号", trigger: "blur" }
    ],
    transTo: [
      { required: true, message: "请输入转入牧场", trigger: "blur" }
    ],
    transFrom: [
      { required: false, message: "请选择当前牧场", trigger: "blur" }
    ],
    transType: [
      { required: true, message: "请选择转场类型", trigger: "change" }
    ],
    technician: [
      { required: true, message: "请输入技术员", trigger: "blur" }
    ]
  }
})
const { queryParams, form, rules } = toRefs(data)

//获取转场记录列表
function getList() {
  loading.value = true
  queryParams.value.params = {}
  if (daterangeCreateTime.value?.length) {
    queryParams.value.params.beginCreateTime = daterangeCreateTime.value[0]
    queryParams.value.params.endCreateTime = daterangeCreateTime.value[1]
  }
  listTransition_info(queryParams.value).then(res => {
    transition_infoList.value = res.rows
    total.value = res.total
    loading.value = false
  })
}
//重置
function reset() {
  form.value = {
    id: null,
    manageTags: [],
    transTo: null,
    transFrom: null,
    transType: null,
    technician: null,
    createBy:null,
    tagDetails: {}
  };
  sheepOptions.value = [];
  proxy.resetForm("transition_infoRef");
  isAdd.value = true; 
  isEdit.value = false;
}

// 加载牧场列表
function loadRanchOptions() {
  return listRanch()
    .then((res) => {
      if (res.rows && Array.isArray(res.rows)) {
        const mapped = res.rows.map((ranch) => ({
          id: Number(ranch.id),
          ranchName: ranch.ranch || '未知牧场', 
        }));
        ranchOptions.value = mapped;
      } else {
      }
    })
    .catch((error) => {
      proxy.$modal.msgError('获取牧场数据失败');
    });
}
// 加载耳号选项
function loadSheepOptions() {
  getSheepBySheepfoldId().then(res => {
    sheepOptions.value = res.data?.map(sheep => ({
      id: sheep.id,
      manageTags: sheep.manageTags
    })) || [];
  }).catch(error => {
    console.error('加载耳号选项失败', error);
  });
}

// 通过牧场 ID 查询牧场名称
async function getRanchNameByRanchId(ranchId) {
  if (!ranchId) return '';
  try {
    if (ranchOptions.value.length === 0) {
      await loadRanchOptions();
    }
    const matchedRanch = ranchOptions.value.find(
      (item) => item.id === Number(ranchId)
    );
    return matchedRanch ? matchedRanch.ranchName : ''; 
  } catch (error) {
    console.error('通过 ranchId 查询牧场名称失败:', error);
    return '';
  }
}
function handleRanchChange(ranchName) {
  if (!ranchName) {
    sheepOptions.value = [];
    form.value.manageTags = [];
    return;
  }

  const matchedRanch = ranchOptions.value.find(
    (ranch) => ranch.ranchName === ranchName
  );
  if (!matchedRanch) {
    proxy.$modal.msgError('未找到该牧场信息，请重新选择');
    return;
  }

  const ranchIdNum = matchedRanch.id;

  getSheepByRanchId(ranchIdNum)
    .then((res) => {
      if (res.code === 200) { 
        if (res.data && res.data.length > 0) {
          sheepOptions.value = res.data.map((sheep) => ({
            id: sheep.id,
            manageTags: sheep.manageTags,
          }));
        } else {
          sheepOptions.value = [];
          proxy.$message.error('该牧场暂无羊只数据');
        }
      } else {
        sheepOptions.value = [];
        proxy.$modal.msgError('获取羊只数据失败，请重试');
      }
    })
    .catch((error) => {
      console.error('羊只列表加载失败:', error);
      sheepOptions.value = [];
      proxy.$modal.msgError('获取羊只信息失败，请重试');
    });
}
async function loadSheepInfo() {
  if (isEdit.value) {
    return;
  }

  const tags = form.value.manageTags;
  if (!tags || tags.length === 0) return;

  const tagDetails = {};
  const validResults = [];

  for (const tag of tags) {
    try {
      const { data: sheepData } = await checkSheepByManageTags(tag.trim());
      if (!sheepData) {
        validResults.push(false);
        proxy.$modal.msgError(`耳号 ${tag} 不存在`);
        continue;
      }

      const ranchName = await getRanchNameByRanchId(sheepData.ranchId);

      tagDetails[tag] = {
        sheepId: sheepData.id,
        varietyId: sheepData.varietyId,
        varietyName: sheepData.varietyName || '',
        ranchName: ranchName,
        comment: sheepData.comment || ''
      };
      validResults.push(true);

      if (!form.value.transFrom && tags.indexOf(tag) === 0) {
        form.value.transFrom = ranchName;
      }
    } catch (error) {
      console.error('获取耳号信息失败:', error);
      validResults.push(false);
      proxy.$modal.msgError(`耳号 ${tag} 验证失败`);
    }
  }

  if (validResults.includes(false)) {
    form.value.manageTags = tags.filter((_, index) => validResults[index]);
    proxy.$message.warning('部分耳号不合法，已过滤');
  }

  form.value.tagDetails = tagDetails;
}

// 导出
function handleExport() {
  proxy.download(
    '/produce/manage_sheep/transition_info/export', 
    { ...queryParams.value },
    `transition_info_${Date.now()}.xlsx`
  );
}

// 审批
function handleApprove(row) {
  approveForm.value = { ...row }; 
  approveDialog.value = true;
  displayManageTags.value = Array.isArray(row.manageTags)
    ? row.manageTags.join(',')
    : row.manageTags || '';
}

// 审批同意
function handleApproveAgree() {
  if (!approveForm.value.transTo) {
    proxy.$modal.msgError('转入牧场不能为空');
    return;
  }
  
  approveForm.value.status = 1; 
  
  approveTransitionInfo(approveForm.value).then(() => {
    approveDialog.value = false;
    proxy.$modal.msgSuccess('审批通过，已更新羊只所在牧场');
    getList();
  }).catch(error => {
    proxy.$modal.msgError(`审批失败：${error.message}`);
  });
}

// 驳回审批
function handleApproveReject() {
  approveForm.value.status = 2;
  updateTransition_info(approveForm.value).then(() => {
    approveDialog.value = false;
    proxy.$modal.msgSuccess('审批成功，状态已更新为驳回');
    getList();
  });
}

// 获取转场类型文本
function getTransTypeLabel(value) {
  const transTypeArray = trans_type.value;
  if (!Array.isArray(transTypeArray)) {
    return '未知类型';
  }
  const item = transTypeArray.find(item => item.value === value);
  return item ? item.label : '未知类型';
}

// 获取状态文本（与转群页面一致）
function getStatusLabel(value) {
  const statusArray = status.value;
  if (!Array.isArray(statusArray)) {
    return '未知状态';
  }
  const item = statusArray.find(item => item.value === value);
  return item ? item.label : '未知状态';
}

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

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

//重置
function resetQuery() {
  daterangeCreateTime.value = []
  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 = "添加转场";
  isAdd.value = true; 
  isEdit.value = false;
  sheepOptions.value = [];
  form.value.manageTags = [];
}

//修改
async function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value;
  getTransition_info(_id).then(response => {
    form.value = {
      ...response.data,
      manageTags: [response.data.manageTags] 
    };
    open.value = true;
    title.value = "修改转场";
    isAdd.value = false; 
    isEdit.value = true;
  }).catch(error => {
    console.error('获取转场详情失败:', error);
    proxy.$modal.msgError('加载数据失败，请重试');
  });
}

//提交
async function submitForm() {
  proxy.$refs.transition_infoRef.validate(async (valid) => {
    if (!valid) return;

    const allTags = form.value.manageTags;
    let validTags = [];

    if (isAdd.value) { 
      if (!allTags || allTags.length === 0) {
        proxy.$modal.msgError('请选择至少一个耳号');
        return;
      }

      const tagDetails = form.value.tagDetails || {};
      validTags = allTags.filter(tag => tagDetails[tag]);

      if (validTags.length === 0) {
        proxy.$modal.msgError('所有耳号均无效，请重新输入');
        return;
      }
    } else { 
      validTags = allTags;
    }

    let submitData = {};
    if (isAdd.value) {
      submitData = validTags.map(tag => ({
        sheepId: form.value.tagDetails[tag].sheepId,
        varietyId: form.value.tagDetails[tag].varietyId,
        varietyName: form.value.tagDetails[tag].varietyName,
        manageTags: tag, 
        transTo: form.value.transTo,
        transFrom: form.value.tagDetails[tag].ranchName,
        transType: form.value.transType,
        technician: form.value.technician,
        comment: form.value.tagDetails[tag].comment,
        status: 0,
      }));
    } else {
      submitData = {
        ...form.value,
        manageTags: validTags.join(','),
      };
    }

    try {
      if (isAdd.value) {
        await addTransition_info(submitData);
      } else {
        await updateTransition_info(submitData);
      }
      proxy.$modal.msgSuccess(isAdd.value ? '提交成功' : '修改成功');
      open.value = false;
      getList();
    } catch (error) {
      proxy.$modal.msgError(isAdd.value ? '提交失败，请重试' : '修改失败，请重试');
    }
  });
}
//加载品种信息
function getVarietyOptions() {
  request({
    url: '/base/variety/list',
    method: 'get',
    params: { pageNum: 1, pageSize: 9999 },
  }).then((res) => {
    varietyOptions.value = res.rows || [];
  });
}

//删除
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy.$modal.confirm('是否确认删除转场编号为"' + _ids + '"的数据项？')
    .then(() => delTransition_info(_ids))
    .then(() => {
      getList()
      proxy.$modal.msgSuccess("删除成功")
    })
}


onMounted(() => {
  loadRanchOptions();
  getVarietyOptions();
  loadSheepOptions();
  getList();
});
</script>