<template>
  <div class="p-2">
    <el-card shadow="never" style="margin-top: 0">
      <!-- 审批按钮组件（标准流程场景） -->
      <approvalButton
        v-if="!isLimitedMode"
        @submitForm="submitForm"
        @approvalVerifyOpen="approvalVerifyOpen"
        @handleApprovalRecord="handleApprovalRecord"
        :buttonLoading="buttonLoading"
        :id="form.projectPlanId"
        :status="form.flowStatus"
        :pageType="routeParams.type"
        :mode="false"
      />
      <!-- 审批完成后维护模式（仅可编辑延期天数、进度备注等） -->
      <div v-else class="mb-3 flex items-center justify-between">
        <div>
          <el-button type="primary" :loading="buttonLoading" @click="saveLimited">保存</el-button>
          <el-button type="primary" @click="handleApprovalRecord">流程进度</el-button>
        </div>
        <div>
          <el-button @click="goBack">返回</el-button>
        </div>
      </div>
    </el-card>

    <el-card shadow="never" style="margin-top: 0">
      <el-form ref="projectPlanFormRef" :model="form" :rules="rules" :disabled="isViewMode" label-width="120px">
        <el-divider content-position="left">基本信息</el-divider>
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="项目名称" prop="projectId">
              <el-input v-model="selectedProjectName" placeholder="请选择项目" readonly :disabled="!isBasicEditable">
                <template #suffix>
                  <el-icon style="cursor: pointer" @click="openProjectSelect" :disabled="!isBasicEditable">
                    <Search />
                  </el-icon>
                </template>
              </el-input>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="项目计划编号" prop="projectPlanCode">
              <el-input v-model="form.projectPlanCode" placeholder="由系统自动生成" disabled />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="项目经理" prop="managerId">
              <el-input v-model="form.managerName" placeholder="自动带出" disabled />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="项目经理部门">
              <el-input v-model="form.managerDeptName" placeholder="自动带出" disabled />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="部门负责人" prop="chargeId">
              <el-input v-model="form.chargeName" placeholder="自动带出" disabled />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="项目编号">
              <el-input v-model="selectedProjectCode" placeholder="选择项目后自动显示" disabled />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="付款方式" prop="paymentMethod">
              <el-input v-model="form.paymentMethod" placeholder="（如：3-3-3-1）" :disabled="!isBasicEditable" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="项目计划状态" prop="projectPlanStatus">
              <!-- <el-select v-model="form.projectPlanStatus" placeholder="请选择项目计划状态" :disabled="!isBasicEditable"> -->
              <el-select v-model="form.projectPlanStatus" placeholder="请选择项目计划状态" :disabled="true">
                <el-option v-for="dict in project_plan_status" :key="dict.value" :label="dict.label" :value="dict.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="附件" prop="ossId">
              <template v-if="isViewMode">
                <el-button type="primary" plain icon="View" @click="handlePreview" :disabled="!form.ossId">预览附件</el-button>
              </template>
              <template v-else>
                <el-button type="primary" plain icon="Upload" @click="handleFile">上传附件</el-button>
              </template>
            </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="2" placeholder="请输入备注" :disabled="!isBasicEditable" />
            </el-form-item>
          </el-col>
        </el-row>

        <el-divider content-position="left">项目阶段计划</el-divider>
        <el-row :gutter="10" class="mb8" v-if="isBasicEditable">
          <el-col :span="1.5">
            <el-button type="primary" icon="Plus" @click="handleAddStage">添加阶段</el-button>
          </el-col>
        </el-row>

        <el-table :data="form.planStageList" border stripe max-height="600">
          <el-table-column label="序号" type="index" width="60" align="center" />
          <el-table-column label="项目阶段" width="150" align="center">
            <template #default="scope">
              <el-select v-model="scope.row.projectPhases" placeholder="请选择项目阶段" style="width: 100%" :disabled="!isBasicEditable">
                <el-option v-for="dict in project_phases" :key="dict.value" :label="dict.label" :value="dict.value" />
              </el-select>
            </template>
          </el-table-column>
          <el-table-column label="计划开始时间" width="160" align="center">
            <template #default="scope">
              <el-date-picker
                v-model="scope.row.planStartTime"
                type="date"
                value-format="YYYY-MM-DD"
                placeholder="选择日期"
                style="width: 100%"
                :disabled="!isBasicEditable"
              />
            </template>
          </el-table-column>
          <el-table-column label="计划结束时间" width="160" align="center">
            <template #default="scope">
              <el-date-picker
                v-model="scope.row.planEndTime"
                type="date"
                value-format="YYYY-MM-DD"
                placeholder="选择日期"
                style="width: 100%"
                :disabled="!isBasicEditable"
              />
            </template>
          </el-table-column>
          <el-table-column label="回款阶段" width="150" align="center">
            <template #default="scope">
              <el-select v-model="scope.row.collectionStage" placeholder="请选择回款阶段" style="width: 100%" :disabled="!isBasicEditable">
                <el-option v-for="dict in collection_stage" :key="dict.value" :label="dict.label" :value="dict.value" />
              </el-select>
            </template>
          </el-table-column>
          <el-table-column label="回款比例(%)" width="120" align="center">
            <template #default="scope">
              <el-input-number
                v-model="scope.row.repaymentRate"
                :min="0"
                :max="100"
                :precision="2"
                controls-position="right"
                style="width: 100%"
                :disabled="!isBasicEditable"
              />
            </template>
          </el-table-column>
          <el-table-column label="预计回款金额" width="140" align="center">
            <template #default="scope">
              <el-input-number
                v-model="scope.row.repaymentAmount"
                :min="0"
                :precision="2"
                controls-position="right"
                style="width: 100%"
                :disabled="!isBasicEditable"
              />
            </template>
          </el-table-column>
          <el-table-column label="预计回款时间" width="160" align="center">
            <template #default="scope">
              <el-date-picker
                v-model="scope.row.repaymentTime"
                type="date"
                value-format="YYYY-MM-DD"
                placeholder="选择日期"
                style="width: 100%"
                :disabled="!isBasicEditable"
                @change="recalcReceivableDate(scope.row)"
              />
            </template>
          </el-table-column>
          <el-table-column label="回款延期天数" width="140" align="center">
            <template #default="scope">
              <el-input-number
                v-model="scope.row.delayDay"
                :min="0"
                :step="1"
                controls-position="right"
                style="width: 100%"
                :disabled="!canEditLimited"
                @change="recalcReceivableDate(scope.row)"
              />
            </template>
          </el-table-column>
          <!--          <el-table-column label="应收款日期" width="160" align="center">
            <template #default="scope">
              <el-date-picker v-model="scope.row.receivableDate" type="date" value-format="YYYY-MM-DD" placeholder="自动计算" style="width: 100%" disabled/>
            </template>
          </el-table-column>-->
          <el-table-column label="实际开始" min-width="140" align="center">
            <template #default="scope">
              <el-date-picker v-model="scope.row.realStartTime" type="date" value-format="YYYY-MM-DD" placeholder="选择日期" style="width: 100%" />
            </template>
          </el-table-column>
          <el-table-column label="实际结束" min-width="140" align="center">
            <template #default="scope">
              <el-date-picker v-model="scope.row.realEndTime" type="date" value-format="YYYY-MM-DD" placeholder="选择日期" style="width: 100%" />
            </template>
          </el-table-column>
          <el-table-column label="进度备注" width="200" align="center">
            <template #default="scope">
              <el-input v-model="scope.row.scheduleRemark" placeholder="请输入进度备注" :disabled="!canEditLimited" />
            </template>
          </el-table-column>
          <el-table-column label="操作" width="80" align="center" fixed="right" v-if="isBasicEditable">
            <template #default="scope">
              <el-button type="danger" link icon="Delete" @click="handleDeleteStage(scope.$index)">删除</el-button>
            </template>
          </el-table-column>
          <!-- 动态变更列（多列合并展示） -->
          <el-table-column
            v-for="(change, changeIndex) in projectChangeList"
            :key="`change-${change.projectChangeId || changeIndex}`"
            :label="`第${change.changeNumber || changeIndex + 1}次变更`"
            align="center"
          >
            <el-table-column label="变更开始" width="110" align="center">
              <template #default="scope">
                <span v-if="getChangeProgressByStage(change, scope.row.planStageId)" class="change-highlight">
                  {{ (getChangeProgressByStage(change, scope.row.planStageId).changedStart || '').substring(0, 10) || '-' }}
                </span>
                <span v-else class="text-gray-300">-</span>
              </template>
            </el-table-column>
            <el-table-column label="变更结束" width="110" align="center">
              <template #default="scope">
                <span v-if="getChangeProgressByStage(change, scope.row.planStageId)" class="change-highlight">
                  {{ (getChangeProgressByStage(change, scope.row.planStageId).changedEnd || '').substring(0, 10) || '-' }}
                </span>
                <span v-else class="text-gray-300">-</span>
              </template>
            </el-table-column>
            <el-table-column label="里程碑" width="100" align="center">
              <template #default="scope">
                <span v-if="getChangeProgressByStage(change, scope.row.planStageId)" class="change-highlight">
                  {{ getChangeProgressByStage(change, scope.row.planStageId).milestoneName || '-' }}
                </span>
                <span v-else class="text-gray-300">-</span>
              </template>
            </el-table-column>
            <el-table-column label="完成度" width="80" align="center">
              <template #default="scope">
                <span v-if="getChangeProgressByStage(change, scope.row.planStageId)" class="change-highlight">
                  {{
                    getChangeProgressByStage(change, scope.row.planStageId).completionDegree != null
                      ? getChangeProgressByStage(change, scope.row.planStageId).completionDegree + '%'
                      : '-'
                  }}
                </span>
                <span v-else class="text-gray-300">-</span>
              </template>
            </el-table-column>
            <el-table-column label="备注" width="120" align="center" show-overflow-tooltip>
              <template #default="scope">
                <span v-if="getChangeProgressByStage(change, scope.row.planStageId)" class="change-highlight">
                  {{ getChangeProgressByStage(change, scope.row.planStageId).remark || '-' }}
                </span>
                <span v-else class="text-gray-300">-</span>
              </template>
            </el-table-column>
          </el-table-column>
        </el-table>
      </el-form>
    </el-card>

    <!-- 提交审批组件 -->
    <submitVerify ref="submitVerifyRef" :task-variables="taskVariables" @submit-callback="submitCallback" />
    <!-- 审批记录 -->
    <approvalRecord ref="approvalRecordRef" />
    <!-- 项目选择弹窗 -->
    <ProjectSelect ref="projectSelectRef" :multiple="false" @confirm-call-back="projectInfoSelectCallBack" />

    <!-- 附件上传/预览对话框 -->
    <el-dialog v-model="dialog.visible" :title="dialog.title" width="500px" append-to-body>
      <el-form label-width="80px">
        <el-form-item label="文件名">
          <fileUpload v-if="type === 0" v-model="ossFileModel" :disabled="isViewMode" />
          <imageUpload v-if="type === 1" v-model="ossFileModel" :disabled="isViewMode" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button v-if="!isViewMode" type="primary" @click="submitOss">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts" name="ErpProjectPlanEdit">
import { useRoute, useRouter } from 'vue-router';
import { addErpProjectPlan, getErpProjectPlan, projectPlanSubmitAndFlowStart, updateErpProjectPlan } from '@/api/oa/erp/erpProjectPlan';
import { ErpProjectPlanForm } from '@/api/oa/erp/erpProjectPlan/types';
import { queryProjectChangeByProjectPlanId } from '@/api/oa/erp/erpProjectChange';
import { getErpProjectInfoList } from '@/api/oa/erp/projectInfo';
import type { ProjectInfoVO } from '@/api/oa/erp/projectInfo/types';
import SubmitVerify from '@/components/Process/submitVerify.vue';
import ApprovalRecord from '@/components/Process/approvalRecord.vue';
import ApprovalButton from '@/components/Process/approvalButton.vue';
import ProjectSelect from '@/components/ProjectSelect/index.vue';
import { useUserStore } from '@/store/modules/user';
import { FlowCodeEnum } from '@/enums/OAEnum';

const { proxy } = getCurrentInstance() as ComponentInternalInstance;
const { project_plan_status, project_phases, collection_stage, project_change_status } = toRefs<any>(
  proxy?.useDict('project_plan_status', 'project_phases', 'collection_stage', 'project_change_status')
);
const route = useRoute();
const router = useRouter();
const userStore = useUserStore();
const refreshFlagKey = 'erpProjectPlanListShouldRefresh';

// 审批相关组件引用
const submitVerifyRef = ref<InstanceType<typeof SubmitVerify>>();
const approvalRecordRef = ref<InstanceType<typeof ApprovalRecord>>();

// 路由参数（与项目信息保持一致）
const routeParams = ref<Record<string, any>>({});

// 是否只读模式（与项目信息保持一致）
const isViewMode = computed(() => routeParams.value.type === 'view' || routeParams.value.type === 'approval');

// 流程相关数据
const taskVariables = ref<any>({});

// 计算属性：判断基础信息是否可编辑
const isBasicEditable = computed(() => {
  if (isViewMode.value) {
    return false;
  }
  // 草稿、驳回、撤回均允许项目经理完整编辑
  return form.value.projectPlanStatus === '1' || ['back', 'cancel'].includes(form.value.flowStatus as string);
});

// 计算属性：判断是否可编辑延迟/备注等有限字段
const canEditLimited = computed(() => {
  if (isViewMode.value) {
    return false;
  }
  if (isBasicEditable.value) {
    return true;
  }
  // 审批完成允许维护延期与进度备注
  return form.value.projectPlanStatus === '3' || form.value.flowStatus === 'finish';
});

// 限制模式（审批完成，仅维护部分字段：延期天数、进度备注等）
const isLimitedMode = computed(() => !isBasicEditable.value && canEditLimited.value);

const projectPlanFormRef = ref<ElFormInstance>();
const buttonLoading = ref(false);
const projectInfoList = ref<Partial<ProjectInfoVO>[]>([]);
const selectedProjectCode = ref<string>(''); // 展示选中项目的编号
const selectedProjectName = ref<string>(''); // 展示选中项目的名称
const baseDataLoaded = ref(false);
const projectSelectRef = ref<InstanceType<typeof ProjectSelect>>();

// 项目计划变更记录相关
const projectChangeList = ref<any[]>([]); // 变更记录列表
const activeChangeTab = ref<string>('0'); // 当前活跃的变更标签

// 附件上传对话框状态
const type = ref(0);
const dialog = reactive<{ visible: boolean; title: string }>({
  visible: false,
  title: ''
});
const ossFileModel = ref<string | string[] | undefined>(undefined);

const createEmptyForm = (): ErpProjectPlanForm => ({
  projectPlanId: undefined,
  projectId: undefined,
  managerId: undefined,
  chargeId: undefined,
  managerName: undefined,
  chargeName: undefined,
  managerDeptName: undefined,
  projectPlanCode: undefined,
  paymentMethod: undefined,
  projectPlanStatus: '1',
  flowStatus: 'draft',
  contractId: undefined,
  ossId: undefined,
  remark: undefined,
  activeFlag: '1',
  planStageList: []
});

const form = ref<ErpProjectPlanForm>(createEmptyForm());

const rules = reactive({
  projectId: [{ required: true, message: '请选择项目', trigger: 'change' }],
  managerId: [{ required: true, message: '请选择项目经理', trigger: 'change' }]
});

const notifyListRefresh = () => {
  sessionStorage.setItem(refreshFlagKey, Date.now().toString());
};

const resetForm = () => {
  form.value = createEmptyForm();
  selectedProjectCode.value = '';
};

/** 获取项目列表 */
const getProjectInfoList = async () => {
  const res = await getErpProjectInfoList({});
  projectInfoList.value = (res.data || []) as Partial<ProjectInfoVO>[];
};

const initBaseData = async () => {
  if (baseDataLoaded.value) {
    return;
  }
  await getProjectInfoList();
  baseDataLoaded.value = true;
};

/** 打开项目选择弹窗 */
const openProjectSelect = () => {
  if (!isBasicEditable.value) {
    return;
  }
  projectSelectRef.value?.open();
};

/** 项目选择回调，自动填充项目相关信息 */
const projectInfoSelectCallBack = (data: ProjectInfoVO[]) => {
  if (data && data.length > 0) {
    const project = data[0];
    form.value.projectId = project.projectId;
    selectedProjectCode.value = project.projectCode || '';
    selectedProjectName.value = project.projectName || '';
    // 调用 handleProjectChange 填充其他关联字段
    handleProjectChange(project.projectId, { syncManagerAndCharge: true, syncPaymentMethod: true });
  }
};

/** 添加阶段 */
const handleAddStage = () => {
  const newStage = {
    planStageId: undefined,
    projectId: form.value.projectId,
    projectPlanId: form.value.projectPlanId,
    projectPhases: undefined,
    planStartTime: undefined,
    planEndTime: undefined,
    collectionStage: undefined,
    repaymentRate: undefined,
    repaymentAmount: undefined,
    repaymentTime: undefined,
    delayDay: undefined,
    receivableDate: undefined,
    reasonsExplanation: undefined,
    scheduleRemark: undefined,
    realStartTime: undefined,
    realEndTime: undefined,
    sortOrder: (form.value.planStageList?.length || 0) + 1
  };
  if (!form.value.planStageList) {
    form.value.planStageList = [];
  }
  form.value.planStageList.push(newStage);
};

/** 删除阶段 */
const handleDeleteStage = (index: number) => {
  form.value.planStageList?.splice(index, 1);
};

interface ProjectSyncOptions {
  syncManagerAndCharge?: boolean;
  syncPaymentMethod?: boolean;
}

/** 处理项目选择变化，自动填充项目经理、部门负责人、付款方式和项目编号 */
const handleProjectChange = (projectId?: string | number, { syncManagerAndCharge = true, syncPaymentMethod = true }: ProjectSyncOptions = {}) => {
  const isEmptySelection = projectId === undefined || projectId === null || projectId === '';
  if (isEmptySelection) {
    if (syncManagerAndCharge) {
      form.value.managerId = undefined;
      form.value.chargeId = undefined;
    }
    if (syncPaymentMethod) {
      form.value.paymentMethod = undefined;
    }
    selectedProjectCode.value = '';
    return;
  }

  const project = projectInfoList.value.find((item) => String(item.projectId) === String(projectId));
  if (!project) {
    return;
  }

  if (syncManagerAndCharge) {
    form.value.managerId = project.managerId ?? undefined;
    form.value.chargeId = project.chargeId ?? undefined;
    // 名称字段从后端项目信息连表数据带出
    form.value.managerName = ((project as any).managerName as string) ?? '';
    form.value.chargeName = ((project as any).chargeName as string) ?? '';
  }

  if (syncPaymentMethod) {
    form.value.paymentMethod = (project.paymentMethod as string) ?? undefined;
  }

  // 项目编号与项目经理部门均从后端项目信息中带出
  selectedProjectCode.value = (project.projectCode as string) || '';
  // ProjectInfoVO中deptName来源于后端连表（ErpProjectInfoVo.deptName）
  form.value.managerDeptName = ((project as any).deptName as string) ?? '';
};

/** 根据回款时间与延期天数生成应收款日期 */
const recalcReceivableDate = (row: any) => {
  if (!row) return;
  const time = row.repaymentTime;
  const delay = Number(row.delayDay || 0);
  if (!time) {
    row.receivableDate = undefined;
    return;
  }
  const base = new Date(time as string);
  if (isNaN(base.getTime())) {
    row.receivableDate = undefined;
    return;
  }
  const target = new Date(base.getTime());
  target.setDate(target.getDate() + delay);
  // 使用系统已有的parseTime进行格式化，保持与全局一致
  row.receivableDate = proxy?.parseTime ? proxy.parseTime(target, '{y}-{m}-{d}') : target.toISOString().slice(0, 10);
};

// 打开附件上传对话框（编辑模式）
const handleFile = () => {
  type.value = 0;
  dialog.visible = true;
  dialog.title = '上传项目计划附件';
  // 回显已有附件
  ossFileModel.value = form.value.ossId as any;
};

// 查看模式下预览附件
const handlePreview = () => {
  if (!form.value.ossId) {
    proxy?.$modal.msgWarning('暂无附件可预览');
    return;
  }
  type.value = 0;
  dialog.visible = true;
  dialog.title = '预览项目计划附件';
  ossFileModel.value = form.value.ossId as any;
};

// 提交附件
const submitOss = () => {
  form.value.ossId = ossFileModel.value as any;
  dialog.visible = false;
  proxy?.$modal.msgSuccess('附件已更新');
};

// 关闭附件对话框
const cancel = () => {
  dialog.visible = false;
};

/** 提交按钮（与项目信息保持一致的处理方式） */
const submitForm = (status: string, mode: boolean) => {
  projectPlanFormRef.value?.validate(async (valid: boolean) => {
    if (valid) {
      buttonLoading.value = true;
      try {
        // 权限校验：只有项目经理才能提交（超级管理员跳过校验）
        if (!form.value.managerId) {
          proxy?.$modal.msgError('请先选择项目');
          buttonLoading.value = false;
          return;
        }
        const isSuperAdmin = userStore.roles.includes('admin') || userStore.roles.includes('superadmin');
        if (!isSuperAdmin && userStore.userId !== form.value.managerId) {
          proxy?.$modal.msgError('只有项目经理才能提交项目计划');
          buttonLoading.value = false;
          return;
        }

        // 更新阶段的projectId
        if (form.value.planStageList) {
          form.value.planStageList.forEach((stage) => {
            stage.projectId = form.value.projectId;
          });
        }

        // 提交审批（与项目信息保持一致）
        if (status !== 'draft') {
          const project = projectInfoList.value.find((p) => p.projectId === form.value.projectId);
          form.value.flowCode = FlowCodeEnum.PROJECT_PLAN_CODE; //OAPS
          form.value.variables = {
            projectId: form.value.projectId,
            projectName: project?.projectName,
            managerId: form.value.managerId
          };
          // 流程实例业务扩展字段
          form.value.bizExt = {
            businessTitle: project?.projectName,
            businessCode: form.value.projectPlanCode
          };
          form.value.projectPlanStatus = '2';
          form.value.flowStatus = 'waiting';
          const res = await projectPlanSubmitAndFlowStart(form.value);
          form.value = res.data;
          proxy?.$modal.msgSuccess('操作成功');
          notifyListRefresh();
          proxy?.$tab.closePage();
          router.go(-1);
        } else {
          // 暂存
          form.value.projectPlanStatus = '1';
          form.value.flowStatus = 'draft';
          if (form.value.projectPlanId) {
            await updateErpProjectPlan(form.value);
          } else {
            await addErpProjectPlan(form.value);
          }
          proxy?.$modal.msgSuccess('暂存成功');
          notifyListRefresh();
          proxy?.$tab.closePage();
          router.go(-1);
        }
      } finally {
        buttonLoading.value = false;
      }
    }
  });
};

/** 审批完成后的保存逻辑 */
const saveLimited = () => {
  projectPlanFormRef.value?.validate(async (valid: boolean) => {
    if (!valid) return;
    buttonLoading.value = true;
    try {
      if (form.value.planStageList) {
        form.value.planStageList.forEach((stage) => {
          stage.projectId = form.value.projectId;
        });
      }
      await updateErpProjectPlan(form.value);
      proxy?.$modal.msgSuccess('保存成功');
      notifyListRefresh();
      proxy?.$tab.closePage();
      router.go(-1);
    } finally {
      buttonLoading.value = false;
    }
  });
};

/** 审批对话框 */
const approvalVerifyOpen = async () => {
  await submitVerifyRef.value?.openDialog(routeParams.value.taskId);
};

/** 审批记录 */
const handleApprovalRecord = () => {
  approvalRecordRef.value?.init(form.value.projectPlanId);
};

/**
 * 获取指定阶段在某个变更中的进度信息
 * @param change 变更记录
 * @param planStageId 项目阶段ID
 */
const getChangeProgressByStage = (change: any, planStageId: any) => {
  if (!change.progressList || change.progressList.length === 0) {
    return null;
  }
  return change.progressList.find((progress: any) => progress.planStageId === planStageId);
};

/**
 * 获取对齐的进度变更数据
 * 将项目阶段与变更进度对齐显示
 */
const getAlignedProgressData = (change: any) => {
  if (!form.value.planStageList || form.value.planStageList.length === 0) {
    return [];
  }

  // 构建变更进度的Map，key为planStageId
  const progressMap = new Map();
  if (change.progressList && change.progressList.length > 0) {
    change.progressList.forEach((progress: any) => {
      progressMap.set(progress.planStageId, progress);
    });
  }

  // 将项目阶段与对应的变更进度合并
  return form.value.planStageList.map((stage: any) => ({
    ...stage,
    changeProgress: progressMap.get(stage.planStageId)
  }));
};

/**
 * 加载项目计划的变更记录
 */
const loadProjectChangeList = async () => {
  if (!form.value.projectPlanId) {
    projectChangeList.value = [];
    return;
  }

  try {
    const res = await queryProjectChangeByProjectPlanId(form.value.projectPlanId);
    projectChangeList.value = res.data || [];
    activeChangeTab.value = '0'; // 重置为第一个标签
  } catch (error) {
    projectChangeList.value = [];
    console.error('加载项目计划变更记录失败:', error);
  }
};

const loadFormData = async () => {
  await initBaseData();
  // 获取路由参数（与项目信息保持一致）
  routeParams.value = route.query;
  buttonLoading.value = false;

  const id = routeParams.value.id as string;
  if (id && (routeParams.value.type === 'update' || routeParams.value.type === 'view' || routeParams.value.type === 'approval')) {
    proxy?.$modal.loading('正在加载数据，请稍后...');
    const res = await getErpProjectPlan(id);
    Object.assign(form.value, res.data);
    if (!form.value.flowStatus) {
      form.value.flowStatus = 'draft';
    }
    if (!form.value.planStageList) {
      form.value.planStageList = [];
    }
    if (form.value.projectId) {
      // 编辑模式下，同步项目名称和编号
      const project = projectInfoList.value.find((item) => String(item.projectId) === String(form.value.projectId));
      if (project) {
        selectedProjectName.value = (project.projectName as string) || '';
        selectedProjectCode.value = (project.projectCode as string) || '';
      }
      handleProjectChange(form.value.projectId, {
        syncManagerAndCharge: false,
        syncPaymentMethod: false
      });
    }
    // 在查看模式或审批完成状态下加载变更记录
    if (isViewMode.value || form.value.projectPlanStatus === '3') {
      await loadProjectChangeList();
    }
    proxy?.$modal.closeLoading();
  } else {
    resetForm();
    form.value.flowStatus = 'draft';
    projectChangeList.value = [];
  }
};

/** 返回列表 */
const goBack = () => {
  router.back();
};

// 提交回调
const submitCallback = async () => {
  notifyListRefresh();
  await proxy?.$tab.closePage(route);
  router.go(-1);
};

watch(
  () => route.fullPath,
  () => {
    loadFormData();
  }
);

onMounted(async () => {
  await loadFormData();
});
</script>

<style scoped lang="scss">
.el-divider {
  margin: 20px 0;
}

// 变更列样式
.change-cell {
  padding: 8px;
  background-color: #fffacd;
  border-radius: 4px;
  font-size: 12px;

  .change-item {
    margin-bottom: 6px;
    display: flex;
    align-items: center;

    &:last-child {
      margin-bottom: 0;
    }

    .label {
      font-weight: 500;
      color: #333;
      margin-right: 8px;
      min-width: 60px;
    }

    .value {
      color: #666;
      word-break: break-word;
    }
  }
}

.change-highlight {
  display: inline-block;
  padding: 2px 6px;
  background-color: #fffacd;
  border-radius: 3px;
  color: #333;
}

.info-item {
  margin-bottom: 12px;

  .label {
    font-weight: 500;
    color: #333;
    margin-right: 8px;
  }

  .value {
    color: #666;
  }
}
</style>
