import { prisma } from '@/lib/prisma'
import bcrypt from 'bcrypt'
import { NextResponse } from 'next/server'

// GET /api/users - Fetch all users
export async function GET() {
  try {
    const users = await prisma.user.findMany({
      orderBy: { name: 'asc' },
      select: {
        id: true,
        username: true,
        email: true,
        name: true,
        role: true,
        dept: true,
        position: true,
        isActive: true,
        isFirstLogin: true,
        lastLoginAt: true,
        createdAt: true
      }
    })
    return NextResponse.json(users)
  } catch (error) {
    console.error('Error fetching users:', error)
    return NextResponse.json({ error: 'Failed to fetch users' }, { status: 500 })
  }
}

// POST /api/users - Create a new user
export async function POST(request: Request) {
  try {
    const body = await request.json()
    const { username, password_hash, email, name, role, employee_id, dept, position, gender, is_intern } = body
    
    const user = await prisma.user.create({
      data: {
        username,
        passwordHash: password_hash,
        email,
        name,
        role,
        employeeId: employee_id,
        dept,
        position,
        gender,
        isIntern: is_intern || false,
        isFirstLogin: true,
        isActive: true,
      },
      select: {
        id: true,
        username: true,
        email: true,
        name: true,
        role: true,
        isFirstLogin: true
      }
    })
    
    return NextResponse.json(user)
  } catch (error) {
    console.error('Error creating user:', error)
    return NextResponse.json({ error: 'Failed to create user' }, { status: 500 })
  }
}