import { NextResponse } from 'next/server';
import { createClient } from '@/lib/supabase/server';
import { createAdminClient } from '@/lib/supabase/admin';

export const runtime = 'nodejs';

export async function POST(request: Request) {
  const supabase = await createClient();
  const { data: { user } } = await supabase.auth.getUser();
  if (!user) return NextResponse.json({ error: '로그인이 필요합니다.' }, { status: 401 });

  let body: Record<string, unknown>;
  try {
    body = await request.json();
  } catch {
    return NextResponse.json({ error: '잘못된 요청 형식' }, { status: 400 });
  }

  const interp = body.interpretation_json as { summary?: string } | undefined;
  if (!interp) return NextResponse.json({ error: 'interpretation_json 필요' }, { status: 400 });

  const admin = createAdminClient();
  const { data, error } = await admin.from('tarot_readings').insert({
    user_id: user.id,
    spread_type: (body.spread_type as string) ?? 'three_card',
    category: (body.category as string) ?? null,
    question: (body.question as string) ?? null,
    cards: body.cards ?? [],
    interpretation: interp,
    summary: interp.summary ?? null,
  }).select('id, created_at').single();

  if (error) return NextResponse.json({ error: error.message }, { status: 500 });
  return NextResponse.json(data);
}

export async function GET() {
  const supabase = await createClient();
  const { data: { user } } = await supabase.auth.getUser();
  if (!user) return NextResponse.json({ error: '로그인이 필요합니다.' }, { status: 401 });

  // 세션 클라이언트로 본인 것만(RLS tarot_select_own)
  const { data, error } = await supabase
    .from('tarot_readings')
    .select('id, spread_type, category, question, cards, interpretation, summary, created_at')
    .order('created_at', { ascending: false });

  if (error) return NextResponse.json({ error: error.message }, { status: 500 });
  return NextResponse.json({ readings: data ?? [] });
}