import { createLocalMaterials } from "./filingMaterialTemplate";

const STORAGE_PREFIX = "qual_filing_local_draft:";

function storageKey(mode) {
  return `${STORAGE_PREFIX}${mode || "application"}`;
}

export function loadLocalDraft(mode) {
  try {
    const raw = sessionStorage.getItem(storageKey(mode));
    if (!raw) {
      return null;
    }
    return JSON.parse(raw);
  }
  catch {
    return null;
  }
}

export function saveLocalDraft(mode, detail) {
  try {
    sessionStorage.setItem(storageKey(mode), JSON.stringify(detail));
  }
  catch (err) {
    console.warn("[filingLocalDraft] save failed:", err);
  }
}

export function clearLocalDraft(mode) {
  sessionStorage.removeItem(storageKey(mode));
}

/** 新建表单：空白，不预填机构信息 */
export function createEmptyFilingDetail() {
  return {
    id: null,
    filingStatusCode: 5,
    materials: createLocalMaterials(),
    commitment: {
      legalRepPersonnelId: "",
      legalRepName: "",
      filingUnitName: "",
      signDate: null,
      legalRepSignatureUrl: "",
      signatureFiles: [],
      commitmentContent: "",
    },
    personnelList: [],
    equipmentList: [],
    businessScope: "",
    filingTerritoryName: "",
    filingUnitName: "",
    filingUnitTypeName: "",
    creditCode: "",
    registerAddress: "",
    officeAddress: "",
    qualCertNo: "",
    infoDisclosureUrl: "",
    legalPersonPhone: "",
    contactPhone: "",
    fixedAssetAmount: null,
    workplaceArea: null,
    archiveRoomArea: null,
    fulltimeEvaluatorCount: null,
    registeredEngineerCount: null,
    unitIntro: "",
    attachmentUrl: "",
    attachments: [],
  };
}