import { NextRequest, NextResponse } from "next/server"
import { prisma } from "@/lib/db"

export async function GET(request: NextRequest) {
  const childId = request.nextUrl.searchParams.get("childId")
  if (!childId) {
    return NextResponse.json({ error: "childId required" }, { status: 400 })
  }
  const milestones = await prisma.milestone.findMany({
    where: { childId },
    orderBy: { reachedAt: "desc" },
  })
  return NextResponse.json(milestones)
}

export async function POST(request: Request) {
  try {
    const { childId, skillCode } = await request.json()
    if (!childId || !skillCode) {
      return NextResponse.json({ error: "childId and skillCode required" }, { status: 400 })
    }
    const existing = await prisma.milestone.findUnique({
      where: { childId_skillCode: { childId, skillCode } },
    })
    if (existing) {
      return NextResponse.json(existing)
    }
    const milestone = await prisma.milestone.create({
      data: { childId, skillCode },
    })
    return NextResponse.json(milestone, { status: 201 })
  } catch (error) {
    console.error("Milestone error:", error)
    return NextResponse.json({ error: "Internal error" }, { status: 500 })
  }
}