/**
 * 项目管理字段映射
 *
 * 后端 projectManagement 的字段名与业务含义差异很大，映射关系取自管理端
 * views/projectManagement/Management/components/formDia.vue 与 projectDetail.vue：
 *
 *   info 层            no=单据编号、title=项目名称、clientName=客户名称、
 *                      establishTime=立项日期、source=项目来源、managerName=立项人、
 *                      orderAmount=项目金额、reviewStatus=审核状态、
 *                      status=单据状态、stage=计划状态、planStartTime/planEndTime=计划起止
 *   contractInfo 层    name=联系人、sex='男'/'女'、lineaFissa=企业微信、wx=微信、
 *                      origineEtnica=地址、rappresentanteLegale=备注
 *   shippingAddress 层 consignee=收货人、contract=联系电话、address=地址
 *   teamList 项        userId/userName、userRoleId/userRoleName、joinTime/departTime、
 *                      contact=联系方式
 *
 * 双向转换全部收敛在这里，页面里不出现裸字段名。
 * 详情返回：detail.info / detail.shippingAddress / detail.contractInfo /
 *          detail.salesLedgerProductList / detail.info.teamList / detail.info.attachmentList
 * 提交结构：{ info, shippingAddress, contractInfo, salesLedgerProductList }
 */

export const GENDER_OPTIONS = [
  { name: "男", value: "1" },
  { name: "女", value: "2" },
];

let uidSeed = 1;
const nextUid = () => `p_${uidSeed++}`;

const toStr = value =>
  value === undefined || value === null ? "" : String(value);

// 后端存的是中文性别，表单选的是 '1'/'2'
const genderToValue = sex => (sex === "男" ? "1" : sex === "女" ? "2" : "");
const genderFromValue = value =>
  value === "1" ? "男" : value === "2" ? "女" : "";

// 字典值后端可能返回数字，选择器按字符串比对
const dictValue = value =>
  value === undefined || value === null || value === "" ? "" : String(value);

const idOrNull = value =>
  value === undefined || value === null || value === "" ? null : value;

// 收货地址、产品子表都可能为空对象或缺失，统一取数组
const asArray = value => (Array.isArray(value) ? value : []);

/** 列表行：列表接口字段 → 展示字段 */
export function toListRow(record = {}) {
  return {
    id: record.id,
    billNo: record.no ?? record.billNo ?? "",
    projectName: record.title ?? record.projectName ?? "",
    billStatus: dictValue(record.billStatus ?? record.status),
    auditStatus: dictValue(record.reviewStatus ?? record.auditStatus),
    projectStage: dictValue(record.stage ?? record.projectStage),
    customerName: record.clientName ?? record.customerName ?? "",
    setupDate: record.establishTime ?? record.setupDate ?? "",
    projectSource: record.source ?? record.projectSource ?? "",
    projectClassification:
      record.departmentName ?? record.projectClassification ?? "",
    projectAmount: record.orderAmount,
    salesContractCount: record.salesContractCount,
    raw: record,
  };
}

/** 详情接口返回 → 详情页各分区 */
export function toDetail(detail = {}) {
  const info = detail?.info || {};
  const shippingAddress = detail?.shippingAddress || {};
  const contractInfo = detail?.contractInfo || {};

  const rawPhase =
    detail?.phaseList ||
    detail?.projectPhaseList ||
    detail?.projectStageList ||
    info?.phaseList ||
    info?.projectPhaseList;

  return {
    info,
    shippingAddress: {
      consignee: shippingAddress.consignee ?? "",
      contract: shippingAddress.contract ?? "",
      address: shippingAddress.address ?? "",
    },
    contractInfo: {
      name: contractInfo.name ?? "",
      sex: contractInfo.sex ?? "",
      birthday: contractInfo.birthday ?? "",
      department: contractInfo.department ?? "",
      job: contractInfo.job ?? "",
      phoneNumber: contractInfo.phoneNumber ?? "",
      email: contractInfo.email ?? "",
      qq: contractInfo.qq ?? "",
      wx: contractInfo.wx ?? "",
      // 后端这两个字段名与业务含义完全无关，UI 上按业务含义展示
      workWechat: contractInfo.lineaFissa ?? "",
      address: contractInfo.origineEtnica ?? "",
      remark: contractInfo.rappresentanteLegale ?? "",
    },
    productList: asArray(detail?.salesLedgerProductList),
    teamList: asArray(info.teamList),
    attachments: asArray(info.attachmentList).map(a => ({
      id: a.id ?? a.fileId,
      name: a.fileName ?? a.name ?? "",
      url: a.url ?? a.fileUrl ?? a.path ?? "",
    })),
    // 表单里没有可编辑的阶段子表（后端 /save 不吃阶段），这里只给详情页只读展示用
    phaseList: asArray(rawPhase),
  };
}

/** 详情接口返回 → 表单（含子表） */
export function toForm(detail = {}) {
  const d = toDetail(detail);
  const info = d.info;
  const contractInfo = detail?.contractInfo || {};
  const shippingAddress = detail?.shippingAddress || {};

  const form = {
    id: info.id,
    billNo: info.no ?? "",
    projectName: info.title ?? "",
    clientId: info.clientId ?? "",
    customerName: info.clientName ?? "",
    parentProjectId: info.projectManagementInfoParentId ?? "",
    parentProjectName: info.projectManagementInfoParentName ?? "",
    projectManagementPlanId: info.projectManagementPlanId ?? "",
    projectSource: info.source ?? "",
    managerId: info.managerId ?? "",
    creatorName: info.managerName ?? "",
    salesmanId: info.salesmanId ?? "",
    salesmanName: info.salesmanName ?? "",
    departmentId: info.departmentId ?? "",
    departmentName: info.departmentName ?? "",
    setupDate: info.establishTime ?? "",
    planStartDate: info.planStartTime ?? "",
    planEndDate: info.planEndTime ?? "",
    actualStartDate: info.actualStartTime ?? "",
    actualEndDate: info.actualEndTime ?? "",
    orderDate: info.orderDate ?? "",
    projectAmount: info.orderAmount ?? "",
    billStatus: dictValue(info.status),
    auditStatus: dictValue(info.reviewStatus),
    projectStage: dictValue(info.stage ?? info.projectStage),
    remark: info.remark ?? "",
    contactName: contractInfo.name ?? "",
    contactGender: genderToValue(contractInfo.sex),
    contactBirthday: contractInfo.birthday ?? "",
    contactDept: contractInfo.department ?? "",
    contactJob: contractInfo.job ?? "",
    contactMobile: contractInfo.phoneNumber ?? "",
    contactEmail: contractInfo.email ?? "",
    contactQq: contractInfo.qq ?? "",
    contactWechat: contractInfo.wx ?? "",
    contactWorkWechat: contractInfo.lineaFissa ?? "",
    contactAddress: contractInfo.origineEtnica ?? "",
    contactRemark: contractInfo.rappresentanteLegale ?? "",
  };

  // 收货地址后端只存一条，这里用单行编辑，提交时取第一行
  const addressList = shippingAddress?.address
    ? [
        {
          receiver: shippingAddress.consignee ?? "",
          phone: shippingAddress.contract ?? "",
          address: shippingAddress.address ?? "",
        },
      ]
    : [];

  const teamList = d.teamList.map(t => ({
    memberId: t.userId ?? "",
    memberName: t.userName ?? "",
    roleId: t.userRoleId ?? "",
    roleName: t.userRoleName ?? "",
    enterDate: t.joinTime ?? "",
    leaveDate: t.departTime ?? "",
    phone: t.contact ?? "",
    remark: t.remark ?? "",
  }));

  const productList = d.productList.map(p => ({
    uid: nextUid(),
    productCategoryId: p.productCategoryId ?? "",
    productCategory: p.productCategory ?? "",
    productModelId: p.productModelId ?? "",
    specificationModel: p.specificationModel ?? "",
    unit: p.unit ?? "",
    quantity: p.quantity ?? "",
    taxRate: p.taxRate ?? "",
    taxInclusiveUnitPrice: p.taxInclusiveUnitPrice ?? "",
    taxExclusiveTotalPrice: p.taxExclusiveTotalPrice ?? "",
    invoiceType: p.invoiceType ?? "",
  }));

  return { form, teamList, addressList, productList, attachments: d.attachments };
}

/** 表单 → 提交结构 */
export function toPayload({
  form,
  teamList,
  addressList,
  productList,
  attachmentIds,
}) {
  const shippingRow = asArray(addressList)[0] || {};

  const info = {
    id: form.id ?? null,
    no: form.billNo,
    title: form.projectName,
    clientId: idOrNull(form.clientId),
    clientName: form.customerName,
    projectManagementInfoParentId: idOrNull(form.parentProjectId),
    projectManagementPlanId: idOrNull(form.projectManagementPlanId),
    establishTime: form.setupDate,
    source: form.projectSource,
    managerId: idOrNull(form.managerId),
    managerName: form.creatorName,
    salesmanId: idOrNull(form.salesmanId),
    salesmanName: form.salesmanName || "",
    departmentId: idOrNull(form.departmentId),
    departmentName: form.departmentName || "",
    planStartTime: form.planStartDate,
    planEndTime: form.planEndDate,
    actualStartTime: form.actualStartDate,
    actualEndTime: form.actualEndDate,
    orderDate: form.orderDate,
    orderAmount: Number(form.projectAmount) || 0,
    status: form.billStatus === "" ? null : Number(form.billStatus),
    reviewStatus: form.auditStatus === "" ? null : Number(form.auditStatus),
    stage: form.projectStage === "" ? null : Number(form.projectStage),
    remark: form.remark,
    attachmentIds: asArray(attachmentIds),
    // userName / userRoleName 是下拉 label，后端不反查，必须前端带上
    teamList: asArray(teamList).map(t => ({
      userId: t.memberId,
      userName: t.memberName,
      userRoleId: t.roleId,
      userRoleName: t.roleName,
      joinTime: t.enterDate,
      departTime: t.leaveDate,
      contact: t.phone,
      remark: t.remark,
    })),
  };

  const shippingAddress = {
    id: undefined,
    consignee: shippingRow.receiver,
    contract: shippingRow.phone,
    address: shippingRow.address,
  };

  const contractInfo = {
    id: undefined,
    name: form.contactName,
    sex: genderFromValue(form.contactGender),
    birthday: form.contactBirthday,
    department: form.contactDept,
    job: form.contactJob,
    phoneNumber: form.contactMobile,
    email: form.contactEmail,
    qq: form.contactQq,
    wx: form.contactWechat,
    lineaFissa: form.contactWorkWechat,
    origineEtnica: form.contactAddress,
    rappresentanteLegale: form.contactRemark,
  };

  return {
    info,
    shippingAddress,
    contractInfo,
    salesLedgerProductList: asArray(productList).map(p => ({
      productCategoryId: p.productCategoryId,
      productCategory: p.productCategory,
      productModelId: p.productModelId,
      specificationModel: p.specificationModel,
      unit: p.unit,
      quantity: Number(p.quantity) || 0,
      taxRate: p.taxRate,
      taxInclusiveUnitPrice: Number(p.taxInclusiveUnitPrice) || 0,
      taxInclusiveTotalPrice: productInclusiveTotal(p),
      taxExclusiveTotalPrice: Number(p.taxExclusiveTotalPrice) || 0,
      invoiceType: p.invoiceType,
    })),
  };
}

/** 含税总价 = 含税单价 × 数量 */
export function productInclusiveTotal(row) {
  const total =
    Number(row?.taxInclusiveUnitPrice || 0) * Number(row?.quantity || 0);
  return Number(total.toFixed(2));
}

/** 详情页展示用的空产品行 */
export function createEmptyProduct() {
  return {
    uid: nextUid(),
    productCategoryId: "",
    productCategory: "",
    productModelId: "",
    specificationModel: "",
    unit: "",
    quantity: "",
    taxRate: "",
    taxInclusiveUnitPrice: "",
    taxExclusiveTotalPrice: "",
    invoiceType: "",
  };
}