const fs = require('node:fs');
const path = require('node:path');
const Papa = require('papaparse');
const { PrismaClient } = require('../app/generated/prisma');

async function seedContentHandle(prisma) {
  const csvPath = path.resolve(process.cwd(), 'datas/ch2.csv');
  if (!fs.existsSync(csvPath)) {
    console.warn('content_handle.csv not found, skip');
    return;
  }
  const csv = fs.readFileSync(csvPath, 'utf8');
  const parsed = Papa.parse(csv, { header: true, skipEmptyLines: true });
  if (parsed.errors && parsed.errors.length) {
    console.error('CSV parse errors (content_handle):', parsed.errors);
    process.exit(1);
  }
  let ok = 0, skip = 0;
  for (const r of parsed.data) {
    // Keep raw Id to match previously seeded content ids (some have spaces)
    const contentId = String(r.Id || '');
    const handle = (r.Handle || '').trim();
    if (!contentId || !handle) { skip++; continue; }

    // Ensure user handle exists; if not, skip (email is required to create)
    const existsUser = await prisma.userHandle.findUnique({ where: { handle } });
    if (!existsUser) { skip++; continue; }

    await prisma.contentHandle.upsert({
      where: { contentId },
      update: { handle },
      create: { contentId, handle },
    });
    ok++;
  }
  console.log(`ContentHandle seeded: ok=${ok}, skip=${skip}`);
}

async function seedViewPerDay(prisma) {
  const csvPath = path.resolve(process.cwd(), 'datas/viewperdate.csv');
  if (!fs.existsSync(csvPath)) {
    console.warn('viewperdate.csv not found, skip');
    return;
  }
  const csv = fs.readFileSync(csvPath, 'utf8');
  const parsed = Papa.parse(csv, { header: true, skipEmptyLines: true });
  if (parsed.errors && parsed.errors.length) {
    console.error('CSV parse errors (viewperdate):', parsed.errors);
    process.exit(1);
  }
  let ok = 0, bad = 0;
  for (const r of parsed.data) {
    const dateStr = (r.Date || '').trim();
    const contented = (r.Contented || '').trim();
    const v = Number(r.Validviewday ?? 0);
    if (!dateStr || !contented) { bad++; continue; }
    const date = new Date(dateStr);
    if (isNaN(date.getTime())) { bad++; continue; }

    await prisma.viewPerDay.upsert({
      where: { date_contented: { date, contented } },
      update: { validViewDay: v },
      create: { date, contented, validViewDay: v },
    });
    ok++;
  }
  console.log(`ViewPerDay seeded: ok=${ok}, bad=${bad}`);
}

async function main() {
  const prisma = new PrismaClient();
  await seedContentHandle(prisma);
  await prisma.$disconnect();
  console.log('Done.');
}

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


