// app/api/auth/setup-password/route.ts
import { prisma } from '@/lib/prisma'
import bcrypt from 'bcryptjs'
import { NextResponse } from 'next/server'

export async function POST(request: Request) {
  try {
    const { userId, newPassword } = await request.json()
    
    if (!userId || !newPassword) {
      return NextResponse.json(
        { error: 'User ID and new password are required' },
        { status: 400 }
      )
    }
    
    // Validate password strength
    if (newPassword.length < 8) {
      return NextResponse.json(
        { error: 'Password must be at least 8 characters long' },
        { status: 400 }
      )
    }
    
    // Hash the new password
    const hashedPassword = await bcrypt.hash(newPassword, 10)
    
    // Update user password and set isFirstLogin to false
    const updatedUser = await prisma.user.update({
      where: { id: userId },
      data: {
        passwordHash: hashedPassword,
        isFirstLogin: false,
        updatedAt: new Date()
      },
      select: {
        id: true,
        username: true,
        email: true,
        name: true,
        role: true,
        dept: true,
        position: true,
        isFirstLogin: true,
        isActive: true,
        isIntern: true,
        employeeId: true,
        gender: true
      }
    })
    
    return NextResponse.json({
      success: true,
      message: 'Password updated successfully',
      user: updatedUser
    })
    
  } catch (error) {
    console.error('Password setup error:', error)
    return NextResponse.json(
      { error: 'Failed to update password' },
      { status: 500 }
    )
  }
}