// @ts-nocheck
import { PrismaClient, Prisma } from '@prisma/client';
import { createHash, randomUUID } from 'crypto';
import * as fs from 'fs';
import * as path from 'path';

const prisma = new PrismaClient();
const DUMP = '/opt/import/prod/oa_core.json';
const HR = '/opt/import/prod/oa_hr.json';
const OA_FILES = '/opt/import/prod/oa-files';
const UPLOAD = path.join(process.cwd(), 'uploads');

type Row = Record<string, unknown>;

const MIME: Record<string, string> = {
  pdf: 'application/pdf',
  jpg: 'image/jpeg',
  jpeg: 'image/jpeg',
  png: 'image/png',
  gif: 'image/gif',
  webp: 'image/webp',
  doc: 'application/msword',
  docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
  xls: 'application/vnd.ms-excel',
  xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
  zip: 'application/zip',
  rar: 'application/x-rar-compressed',
};

const NAME_ALIAS: Record<string, string> = {
  张靖妍: '张婧妍',
};

function str(v: unknown) {
  if (v == null) return '';
  return String(v).trim();
}

function num(v: unknown) {
  if (v == null || v === '') return 0;
  const n = Number(v);
  return Number.isFinite(n) ? n : 0;
}

function when(v: unknown) {
  const s = str(v);
  if (!s || s.startsWith('0000')) return null;
  const d = new Date(s.includes('T') ? s : s.replace(' ', 'T'));
  return Number.isNaN(d.getTime()) ? null : d;
}

function clip(v: unknown, n = 2000) {
  const s = str(v);
  return s.length > n ? s.slice(0, n) : s || undefined;
}

function mapProjectType(v: unknown, projectName?: unknown) {
  const name = str(projectName);
  if (name.includes('三维')) return '三维';
  if (/(视频.{0,12}(制作|摄制|拍摄)|摄制|拍摄|摄影|宣传片|专题片|纪录片|微电影|影视制作)/.test(name)) return '摄制';
  const s = str(v);
  if (s.includes('三维')) return '三维';
  if (s.includes('摄制') || s.includes('视频')) return '摄制';
  if (s.includes('物资')) return '物资';
  if (s.includes('集成')) return '集成';
  return '软件';
}

function mapQual(raw: unknown) {
  const s = str(raw);
  if (!s) return '无需资质';
  try {
    const arr = JSON.parse(s) as { item?: string }[];
    const item = str(arr?.[0]?.item);
    if (!item || item === '无') return '无需资质';
    if (item.includes('军')) return '军二';
    if (item.includes('涉')) return '涉乙';
    return item.slice(0, 20);
  } catch {
    if (s.includes('军')) return '军二';
    if (s.includes('涉')) return '涉乙';
    return '其他';
  }
}

function profilePaths(v: unknown) {
  const out: string[] = [];
  if (!v) return out;
  for (const chunk of str(v).split(/[,;]/)) {
    const piece = chunk.trim();
    const first = piece.split('|')[0].trim();
    const idx = first.indexOf('/profile/upload/');
    const p = idx >= 0 ? first.slice(idx) : first;
    if (p.startsWith('/profile/upload/')) out.push(p);
  }
  return out;
}

function relOf(p: string) {
  return p.replace(/^\/profile\/upload\//, '');
}

function displayName(p: string) {
  const pipe = str(p).split('|')[1];
  if (pipe && !pipe.includes('/')) return path.basename(pipe);
  return path.basename(relOf(p.split('|')[0]));
}

function mimeOf(name: string) {
  const ext = name.split('.').pop()?.toLowerCase() || 'bin';
  return MIME[ext] || 'application/octet-stream';
}

function prettyName(name: string) {
  try {
    return decodeURIComponent(name);
  } catch {
    return name;
  }
}

async function attach(
  bizType: string,
  bizId: string,
  urls: unknown,
  uploadedById: string,
  seen: Set<string>,
) {
  let n = 0;
  let firstNas: string | undefined;
  for (const raw of profilePaths(urls)) {
    const rel = relOf(raw);
    const src = path.join(OA_FILES, rel);
    if (!fs.existsSync(src)) continue;
    const buf = fs.readFileSync(src);
    const hash = createHash('sha1').update(buf).digest('hex').slice(0, 16);
    const key = `${bizId}:${hash}`;
    if (seen.has(key)) continue;
    seen.add(key);
    const id = randomUUID();
    const ext = (path.extname(rel).replace('.', '') || 'bin').replace(/[^a-zA-Z0-9]/g, '').slice(0, 8);
    const storageKey = `OA/${bizType}/${bizId}/${id}.${ext || 'bin'}`;
    const dest = path.join(UPLOAD, storageKey);
    fs.mkdirSync(path.dirname(dest), { recursive: true });
    fs.copyFileSync(src, dest);
    const name = prettyName(displayName(raw) || path.basename(rel));
    await prisma.fileAsset.create({
      data: {
        id,
        tenantId: '1',
        bizType,
        bizId,
        fileName: name.slice(0, 180),
        mimeType: mimeOf(name),
        size: buf.length,
        storageKey,
        uploadedById,
      },
    });
    n += 1;
    firstNas ||= raw;
  }
  return { n, firstNas };
}

async function main() {
  const raw = JSON.parse(fs.readFileSync(DUMP, 'utf8')) as Record<string, Row[]>;
  const hr = JSON.parse(fs.readFileSync(HR, 'utf8')) as { users: { id: number; userName: string; nickName: string }[] };
  const admin = await prisma.user.findFirst({ where: { username: 'admin' } });
  if (!admin) throw new Error('没有 admin');
  fs.mkdirSync(UPLOAD, { recursive: true });

  const users = await prisma.user.findMany();
  const byUsername = new Map(users.map((u) => [u.username, u]));
  const byName = new Map(users.map((u) => [u.displayName, u]));
  for (const [a, b] of Object.entries(NAME_ALIAS)) {
    const u = byName.get(b);
    if (u) byName.set(a, u);
  }
  const oaUser = new Map(hr.users.map((u) => [String(u.id), u.userName]));
  const userFromOaId = (id: unknown) => {
    const uname = oaUser.get(str(id));
    return uname ? byUsername.get(uname) : undefined;
  };
  const userFromName = (name: unknown) => {
    const n = NAME_ALIAS[str(name)] || str(name);
    return byName.get(n);
  };

  await prisma.fileAsset.deleteMany({ where: { storageKey: { startsWith: 'OA/' } } });
  const seen = new Set<string>();
  const stats = { bids: 0, bidFiles: 0, contracts: 0, contractFiles: 0, expenses: 0, expenseFiles: 0, projects: 0, purchases: 0 };

  const bids = await prisma.bidCase.findMany();
  const bidByName = new Map(bids.map((b) => [b.name, b]));
  const tenders = (raw.oa_tender || []).filter((t) => /^TB-/.test(str(t.system_number)) && str(t.project_name));

  for (const t of tenders) {
    const local = bidByName.get(str(t.project_name));
    if (!local) {
      console.warn('no local bid', t.project_name);
      continue;
    }
    const creator = userFromOaId(t.create_by) || userFromName(t.bid_prepare_person) || admin;
    const drafter = userFromName(t.bid_prepare_person);
    const bidder = userFromOaId(t.bid_delivery_person_id) || userFromName(t.bid_delivery_person);
    const announce = await attach('BID_ANNOUNCE', local.id, t.announcement_file, creator.id, seen);
    const extra = await attach('BID_FILE', local.id, t.attachment, creator.id, seen);
    const formal = await attach('BID_FORMAL', local.id, t.formal_bid_file, creator.id, seen);
    const proof = await attach('BID_PROOF', local.id, t.submit_proof_file, creator.id, seen);
    const nas = announce.firstNas || extra.firstNas || formal.firstNas || proof.firstNas;
    await prisma.bidCase.update({
      where: { id: local.id },
      data: {
        externalNo: clip(t.project_number, 120) || local.externalNo,
        projectType: mapProjectType(t.project_type, t.project_name),
        source: clip(t.project_source, 50) || local.source,
        qualificationNeed: mapQual(t.bid_doc_requirement),
        tenderMethod: clip(t.tender_method, 50) || local.tenderMethod,
        applyStartAt: when(t.create_time) || local.applyStartAt,
        applyEndAt: when(t.file_apply_deadline) || local.applyEndAt,
        applyMethod: announce.firstNas || extra.firstNas ? '网上申领' : '其他',
        openAt: when(t.bid_open_date) || local.openAt,
        openMethod: str(t.tender_address) ? '线下开标' : '其他',
        openPlace: clip(t.tender_address, 200) || local.openPlace,
        projectNature: clip(t.project_nature, 50) || local.projectNature,
        securityLevel: str(t.security_level) || local.securityLevel,
        contactName: clip(t.bid_contact_person, 64) || local.contactName,
        contactPhone: clip(t.bid_contact_phone, 32) || local.contactPhone,
        bondMethod: clip(t.deposit_pay_method, 20) || local.bondMethod,
        bondStatus: clip(t.deposit_status, 20) || local.bondStatus,
        bondPaidAt: when(t.deposit_pay_date) || local.bondPaidAt,
        delivererName: clip(t.bid_delivery_person, 64) || local.delivererName,
        priceCap: t.price_limit == null || t.price_limit === '' ? local.priceCap : String(t.price_limit),
        quoteAmount: t.bid_quotation == null || t.bid_quotation === '' ? local.quoteAmount : String(t.bid_quotation),
        summary: clip(t.project_content || t.project_intro, 4000) || local.summary,
        nasPath: nas || local.nasPath,
        remark: clip(t.remark, 1000) || local.remark,
        createdById: creator.id,
      },
    });
    if (drafter) {
      await prisma.bidAssignee.upsert({
        where: { bidCaseId_userId_role: { bidCaseId: local.id, userId: drafter.id, role: 'DRAFTER' } },
        update: {},
        create: { bidCaseId: local.id, userId: drafter.id, role: 'DRAFTER' },
      });
    }
    if (bidder) {
      await prisma.bidAssignee.upsert({
        where: { bidCaseId_userId_role: { bidCaseId: local.id, userId: bidder.id, role: 'BIDDER' } },
        update: {},
        create: { bidCaseId: local.id, userId: bidder.id, role: 'BIDDER' },
      });
    }
    if (formal.firstNas) {
      const exists = await prisma.bidDocVersion.findFirst({ where: { bidCaseId: local.id, versionNo: 1 } });
      if (!exists) {
        await prisma.bidDocVersion.create({
          data: {
            bidCaseId: local.id,
            versionNo: 1,
            nasPath: formal.firstNas,
            note: 'OA 正式标书',
            submittedById: (drafter || creator).id,
          },
        });
      } else {
        await prisma.bidDocVersion.update({
          where: { id: exists.id },
          data: { nasPath: formal.firstNas },
        });
      }
    }
    stats.bids += 1;
    stats.bidFiles += announce.n + extra.n + formal.n + proof.n;
  }

  const contracts = await prisma.contract.findMany();
  const contractByName = new Map(contracts.map((c) => [c.name, c]));
  for (const c of raw.oa_contract || []) {
    const local = contractByName.get(str(c.contract_name));
    if (!local) {
      console.warn('no local contract', c.contract_name);
      continue;
    }
    const creator = userFromOaId(c.create_by) || userFromOaId(c.creator_id) || admin;
    const original = await attach('CONTRACT', local.id, c.contract_original_url, creator.id, seen);
    const accept = await attach('CONTRACT_ACCEPT', local.id, c.acceptance_url, creator.id, seen);
    const award = await attach('CONTRACT_AWARD', local.id, c.award_notice_url, creator.id, seen);
    await prisma.contract.update({
      where: { id: local.id },
      data: {
        nasPath: original.firstNas || accept.firstNas || award.firstNas || local.nasPath,
        signedAt: when(c.sign_date) || local.signedAt,
        createdById: creator.id,
        partyA: local.partyA || str(c.party_a_name) || undefined,
        partyB: local.partyB || str(c.party_b_name) || undefined,
        remark:
          local.remark ||
          [str(c.payment_method) && `付款：${c.payment_method}`, str(c.remark)]
            .filter(Boolean)
            .join(' / ') ||
          undefined,
      },
    });
    stats.contracts += 1;
    stats.contractFiles += original.n + accept.n + award.n;
  }

  const expenses = await prisma.expenseClaim.findMany();
  for (const r of raw.reimbursement || []) {
    const amount = num(r.total_amount);
    const name = str(r.employee_name);
    const subject = str(r.subject);
    let hits = expenses.filter((e) => Math.abs(Number(e.amount) - amount) < 0.009 && (e.remark || '').includes(name));
    if (subject) {
      const tighter = hits.filter((e) => (e.remark || '').includes(subject));
      if (tighter.length) hits = tighter;
    }
    const stamp = when(r.created_time);
    if (stamp && hits.length > 1) {
      const day = stamp.toISOString().slice(0, 10);
      const byDay = hits.filter((e) => (e.submittedAt || e.createdAt).toISOString().slice(0, 10) === day);
      if (byDay.length) hits = byDay;
    }
    const local = hits[0];
    if (!local) continue;
    const who = userFromName(name) || users.find((u) => u.id === local.applicantId) || admin;
    const items = (raw.reimbursement_item || []).filter((i) => String(i.reimbursement_id) === String(r.id));
    let n = 0;
    for (const item of items) {
      n += (await attach('EXPENSE', local.id, item.url, who.id, seen)).n;
    }
    n += (await attach('EXPENSE', local.id, r.attachment_url, who.id, seen)).n;
    if (n) {
      stats.expenses += 1;
      stats.expenseFiles += n;
    }
  }

  const projects = await prisma.project.findMany();
  const projectByName = new Map(projects.map((p) => [p.name, p]));
  for (const p of raw.project_list || []) {
    const local = projectByName.get(str(p.project_name));
    if (!local) continue;
    const n = await attach('PROJECT', local.id, p.bzj_attachment, admin.id, seen);
    stats.projects += n.n ? 1 : 0;
  }

  const purchases = await prisma.purchaseRequest.findMany();
  for (const r of raw.oa_purchasing || []) {
    const titleBits = [str(r.contract_no), str(r.contract_name)].filter(Boolean);
    const local = purchases.find((p) => titleBits.some((b) => p.title.includes(b)));
    if (!local) continue;
    const who = userFromOaId(r.create_by) || userFromOaId(r.creator_id) || admin;
    const a = await attach('PURCHASE', local.id, r.contract_original_url, who.id, seen);
    const b = await attach('PURCHASE_ACCEPT', local.id, r.acceptance_url, who.id, seen);
    if (a.n + b.n) stats.purchases += 1;
  }

  const fileCount = await prisma.fileAsset.count();
  console.log(JSON.stringify({ ...stats, fileAssetTotal: fileCount }, null, 2));
}

main()
  .catch((e) => {
    console.error(e);
    process.exit(1);
  })
  .finally(() => prisma.$disconnect());