const fs = require("fs");
const path = require("path");

// Minimal .env loader (avoids depending on the `dotenv` package, which may
// not be installed in a production deployment that skipped devDependencies).
function loadEnvFile(file) {
  if (!fs.existsSync(file)) return;
  for (const line of fs.readFileSync(file, "utf8").split("\n")) {
    const match = line.match(/^\s*([\w.-]+)\s*=\s*(.*)?\s*$/);
    if (!match) continue;
    const key = match[1];
    let value = (match[2] ?? "").trim();
    if (value.startsWith('"') && value.endsWith('"')) value = value.slice(1, -1);
    else if (value.startsWith("'") && value.endsWith("'")) value = value.slice(1, -1);
    if (!(key in process.env)) process.env[key] = value;
  }
}
loadEnvFile(path.join(__dirname, "..", ".env"));

const { PrismaClient } = require("@prisma/client");
const { PrismaPg } = require("@prisma/adapter-pg");
const bcrypt = require("bcryptjs");

const adapter = new PrismaPg({ connectionString: process.env.DATABASE_URL });
const prisma = new PrismaClient({ adapter });

async function main() {
  const [, , email, password, name] = process.argv;

  if (!email || !password) {
    console.error("Usage: node scripts/create-user.js <email> <password> [name]");
    process.exit(1);
  }

  if (password.length < 8) {
    console.error("Password must be at least 8 characters long.");
    process.exit(1);
  }

  const hashedPassword = await bcrypt.hash(password, 12);
  const normalizedEmail = email.toLowerCase().trim();

  const user = await prisma.user.upsert({
    where: { email: normalizedEmail },
    create: {
      email: normalizedEmail,
      password: hashedPassword,
      name: name ?? null,
      role: "ADMIN",
    },
    update: {
      password: hashedPassword,
      ...(name ? { name } : {}),
    },
  });

  console.log(`✅ User ready: ${user.email} (role: ${user.role})`);
}

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