import { mkdir, writeFile } from "node:fs/promises";

const BASE_URL =
  process.env.CONFIDENCE_ENGINE_BASE_URL || "http://127.0.0.1:3000";
const OUTPUT_DIR = "tests-results/commercial-value-update";

const scenario = "I think therefore I am";
const answer =
  "Deciding whether to build the Confidence Engine due to uncertainty about its commercial value.";

async function postJson(path, body) {
  const response = await fetch(`${BASE_URL}${path}`, {
    method: "POST",
    headers: {
      "content-type": "application/json",
    },
    body: JSON.stringify(body),
  });

  const json = await response.json();
  return { status: response.status, json };
}

function printLine(label, value) {
  const rendered = value === undefined ? null : value;
  console.log(`${label}: ${JSON.stringify(rendered)}`);
}

async function main() {
  await mkdir(OUTPUT_DIR, { recursive: true });

  const startResult = await postJson("/api/cases/start", { scenario });
  await writeFile(
    `${OUTPUT_DIR}/start-response.json`,
    JSON.stringify(startResult, null, 2),
  );

  const selectedQuestion = startResult.json?.selectedQuestion?.question || null;

  let updateResult = {
    status: null,
    json: {
      success: false,
      stage: "request_construction",
      errors: ["Missing selected question from start response"],
    },
  };

  if (startResult.json?.success && selectedQuestion) {
    updateResult = await postJson("/api/cases/update", {
      situationGraph: startResult.json.situationGraph,
      previousQuestion: selectedQuestion,
      answer,
    });
  }

  await writeFile(
    `${OUTPUT_DIR}/update-response.json`,
    JSON.stringify(updateResult, null, 2),
  );

  printLine("start success", startResult.json?.success ?? false);
  printLine("update success", updateResult.json?.success ?? false);
  printLine("update stage", updateResult.json?.stage ?? null);
  printLine(
    "proposal added nodes",
    updateResult.json?.proposal?.addedNodes?.map((node) => node.id) ?? null,
  );
  printLine(
    "proposal added edges",
    updateResult.json?.proposal?.addedEdges?.map((edge) => ({
      id: edge.id,
      fromNodeId: edge.fromNodeId,
      toNodeId: edge.toNodeId,
      relationship: edge.relationship,
    })) ?? null,
  );
  printLine(
    "proposal resolved unknown IDs",
    updateResult.json?.proposal?.resolvedUnknownNodeIds ??
      updateResult.json?.resolvedUnknownNodeIds ??
      null,
  );
  printLine(
    "errors",
    updateResult.json?.errors ??
      updateResult.json?.proposalErrors ??
      updateResult.json?.graphValidationErrors ??
      updateResult.json?.validationErrors ??
      null,
  );
}

main().catch((error) => {
  console.error(error instanceof Error ? error.message : String(error));
  process.exitCode = 1;
});