// Analyze endpoint. POST with optional ?section= to run one section, or no
// query param (or ?section=all) to run the full pipeline.
//
// Legacy section names "taxonomy" and "glossary" are accepted and mapped to
// the unified "concepts" pass (T3 of the integration plan). This keeps older
// clients and any external scripts working through one release.

import { NextResponse } from "next/server";
import { runAnalyze, type RunSection } from "../../../../../lib/llm/analyze/runAll";
import { normalizeAnalysisSection } from "../../../../../lib/db/repo";

interface RouteContext {
  params: Promise<{ projectId: string }>;
}

export async function POST(req: Request, ctx: RouteContext) {
  const { projectId } = await ctx.params;
  const url = new URL(req.url);
  const sectionRaw = (url.searchParams.get("section") ?? "all").toLowerCase();
  let section: RunSection;
  try {
    section = normalizeAnalysisSection(sectionRaw) as RunSection;
  } catch {
    return NextResponse.json({ error: `Invalid section: ${sectionRaw}` }, { status: 400 });
  }
  try {
    const result = await runAnalyze(projectId, section);
    return NextResponse.json(result);
  } catch (err) {
    console.error("[analyze] route failed:", err);
    return NextResponse.json({ error: (err as Error).message }, { status: 500 });
  }
}