import { NextResponse, type NextRequest } from 'next/server'
import { ZodError } from 'zod'
import { AppError, ValidationError } from '@/domain/errors'

export function handleError(error: unknown): NextResponse {
  if (error instanceof ZodError) {
    return NextResponse.json(
      { error: 'ValidationError', message: 'Payload invalide', issues: error.flatten() },
      { status: 400 },
    )
  }
  if (error instanceof AppError) {
    return NextResponse.json(
      { error: error.name, message: error.message },
      { status: error.status },
    )
  }
  console.error(error)
  return NextResponse.json(
    { error: 'InternalServerError', message: 'Erreur interne' },
    { status: 500 },
  )
}

export async function parseJsonBody(request: NextRequest): Promise<unknown> {
  try {
    return await request.json()
  } catch {
    throw new ValidationError('Corps de requête invalide (JSON attendu)')
  }
}