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

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

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

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

    const part = await prisma.wearPart.create({
      data: {
        bikeId: params.id,
        type: validatedData.type,
        brand: validatedData.brand,
        model: validatedData.model,
        installDate: validatedData.installDate,
        installMileage: validatedData.installMileage,
        serviceInterval: validatedData.serviceInterval,
        status: validatedData.status,
        cost: validatedData.cost,
        notes: validatedData.notes,
      },
    })

    // Erstelle automatisch einen MaintenanceHistory-Eintrag für die Installation
    await prisma.maintenanceHistory.create({
      data: {
        wearPartId: part.id,
        date: new Date(validatedData.installDate),
        mileage: validatedData.installMileage,
        action: 'INSTALL',
        notes: validatedData.notes,
        cost: validatedData.cost,
      },
    })

    return NextResponse.json(part, { status: 201 })
  } catch (error) {
    console.error('Error creating part:', 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 Verschleißteils' },
      { status: 500 }
    )
  }
}