import { NextResponse } from 'next/server'
import { z } from 'zod'
import { resolveCpqRouteContext } from '../../../context'
import { cpqOrderStatusTransitionSchema } from '../../../../data/validators'
import { OrderError } from '../../../../services/cpqOrderService'
import type { DefaultCpqOrderService } from '../../../../services/cpqOrderService'

export const metadata = {
  POST: { requireAuth: true, requireFeatures: ['cpq.orders.manage'] },
}

export async function POST(req: Request, { params }: { params: Promise<{ orderId: string }> }) {
  try {
    const ctx = await resolveCpqRouteContext(req)
    if (!ctx.auth) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })

    const { orderId } = await params
    const body = cpqOrderStatusTransitionSchema.parse(await req.json())
    const scope = { organizationId: ctx.organizationId, tenantId: ctx.tenantId }

    const service = ctx.container.resolve('cpqOrderService') as DefaultCpqOrderService
    const result = await service.transitionOrderStatus(orderId, body.targetStatus, scope)
    return NextResponse.json(result)
  } catch (err) {
    if (err instanceof z.ZodError) {
      return NextResponse.json({ error: 'Validation error', details: err.issues }, { status: 400 })
    }
    if (err instanceof OrderError) {
      return NextResponse.json({ error: err.message }, { status: err.status })
    }
    const errObj = err as Record<string, unknown>
    if (typeof errObj?.status === 'number' && typeof errObj?.error === 'string') {
      return NextResponse.json({ error: errObj.error }, { status: errObj.status as number })
    }
    console.error('[cpq/orders/[orderId]/status.POST]', err)
    return NextResponse.json({ error: 'Internal error' }, { status: 500 })
  }
}