import { NextResponse } from 'next/server';
import { and, eq } from 'drizzle-orm';

import { withAuth } from '@/lib/api/helpers';
import { db } from '@/lib/db';
import { systemSettings } from '@/lib/db/schema/system';
import { calculateInterestScore } from '@/lib/services/interest-scoring.service';
import { parseQuery } from '@/lib/api/route-helpers';
import { requestScoreSchema } from '@/lib/validators/ai';
import { errorResponse } from '@/lib/errors';

export const GET = withAuth(async (req, ctx) => {
  try {
    // Feature flag check
    const flag = await db.query.systemSettings.findFirst({
      where: and(
        eq(systemSettings.key, 'ai_interest_scoring'),
        eq(systemSettings.portId, ctx.portId),
      ),
    });
    if (flag?.value !== true) {
      return NextResponse.json({ error: 'Feature not available' }, { status: 404 });
    }

    const { interestId } = parseQuery(req, requestScoreSchema);
    const score = await calculateInterestScore(interestId, ctx.portId);

    return NextResponse.json({ data: score });
  } catch (error) {
    return errorResponse(error);
  }
});
