WearPartTracker/app/api/parts/[id]/maintenance/route.ts

import { NextRequest, NextResponse } from 'next/server'
import { prisma } from '@/lib/prisma'
import { maintenanceHistorySchema } from '@/lib/validations'

export async function GET(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  try {
    const history = await prisma.maintenanceHistory.findMany({
      where: { wearPartId: params.id },
      orderBy: {
        date: 'desc',
      },
    })

    return NextResponse.json(history)
  } catch (error) {
    console.error('Error fetching maintenance history:', error)
    return NextResponse.json(
      { error: 'Fehler beim Laden der Wartungshistorie' },
      { status: 500 }
    )
  }
}

export async function POST(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  try {
    const body = await request.json()
    const validatedData = maintenanceHistorySchema.parse({
      ...body,
      wearPartId: params.id,
    })

    const history = await prisma.maintenanceHistory.create({
      data: {
        wearPartId: params.id,
        date: validatedData.date,
        mileage: validatedData.mileage,
        action: validatedData.action,
        notes: validatedData.notes,
        cost: validatedData.cost,
      },
    })

    // Wenn die Aktion REPLACE ist, setze den Status des Verschleißteils auf REPLACED
    if (validatedData.action === 'REPLACE') {
      await prisma.wearPart.update({
        where: { id: params.id },
        data: { status: 'REPLACED' },
      })
    }

    return NextResponse.json(history, { status: 201 })
  } catch (error) {
    console.error('Error creating maintenance history:', error)
    if (error instanceof Error && error.name === 'ZodError') {
      return NextResponse.json(
        { error: 'Ungültige Daten', details: error },
        { status: 400 }
      )
    }
    return NextResponse.json(
      { error: 'Fehler beim Erstellen des Wartungseintrags' },
      { status: 500 }
    )
  }
}