import { startCase } from "@/lib/graph/orchestrator.js";
import { withAuthenticatedApi } from "@/lib/supabase/api-auth.js";

async function post(request) {
  try {
    const body = await request.json();
    const result = await startCase(body);

    if (result.success) {
      return Response.json(result, { status: 200 });
    }

    const status =
      result.statusCode === 400
        ? 400
        : result.statusCode >= 500
          ? result.statusCode
          : 500;

    const diagnostics = {
      status,
      error: result.error ?? "Start case failed",
      validationErrors: result.validationErrors,
      analysisErrors: result.analysisErrors,
      validationIssues: result.validationIssues,
      providerApiPath: result.providerApiPath,
      providerExecution: result.providerExecution,
      rawResponse: result.rawResponse ?? undefined,
    };

    if (status >= 500) {
      console.error("[api/cases/start] error response", diagnostics);
    } else {
      console.warn("[api/cases/start] error response", diagnostics);
    }

    return Response.json(
      {
        success: false,
        error: diagnostics.error,
        validationErrors: result.validationErrors,
        diagnostics: result.diagnostics,
        analysisErrors: result.analysisErrors,
        validationIssues: result.validationIssues,
        providerApiPath: result.providerApiPath,
        providerExecution: result.providerExecution,
        rawResponse: result.rawResponse ?? undefined,
      },
      { status },
    );
  } catch (error) {
    console.error("[api/cases/start] unhandled exception", {
      message: error instanceof Error ? error.message : String(error),
      stack: error instanceof Error ? error.stack : undefined,
      error,
    });
    return Response.json(
      {
        success: false,
        error: "Internal server error",
      },
      { status: 500 },
    );
  }
}

export const POST = withAuthenticatedApi(post);