const BASE_URL =
  process.env.CONFIDENCE_ENGINE_BASE_URL || "http://127.0.0.1:3000";

const scenario =
  "Should I relocate my engineering team from London to Manchester?";

const answers = [
  "We're looking at this mainly for cost reduction — roughly £2M annual savings on office overhead.",
  "We don't want to increase staff turnover or lose key engineers as part of the move.",
];

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 nodeCount(g) {
  return g?.nodes?.length ?? 0;
}

function edgeCount(g) {
  return g?.edges?.length ?? 0;
}

async function main() {
  // ── Start ──────────────────────────────────────────────
  const startResult = await postJson("/api/cases/start", { scenario });

  if (!startResult.json?.success) {
    console.log("=== START ===");
    console.log(`HTTP status: ${startResult.status}`);
    console.log(`errors: ${JSON.stringify(startResult.json?.errors ?? startResult.json?.message ?? null)}`);
    process.exitCode = 1;
    return;
  }

  const situationGraph = startResult.json.situationGraph;
  let selectedQuestion = startResult.json.selectedQuestion?.question ?? null;

  console.log("=== START ===");
  console.log(`HTTP status: ${startResult.status}`);
  console.log(`stage: ${startResult.json.stage ?? "unknown"}`);
  console.log(`selected question: ${JSON.stringify(selectedQuestion)}`);
  console.log(`node count: ${nodeCount(situationGraph)}`);
  console.log(`edge count: ${edgeCount(situationGraph)}`);

  if (!selectedQuestion) {
    console.log("ERROR: No selected question returned from start. Stopping.");
    process.exitCode = 1;
    return;
  }

  // ── Update 1 ───────────────────────────────────────────
  const prevQ1 = selectedQuestion;
  let update1Result = await postJson("/api/cases/update", {
    situationGraph,
    previousQuestion: prevQ1,
    answer: answers[0],
  });

  if (!update1Result.json?.success) {
    console.log("\n=== UPDATE 1 ===");
    console.log(`HTTP status: ${update1Result.status}`);
    console.log(`stage: ${update1Result.json?.stage ?? "unknown"}`);
    console.log(`selected question: null`);
    console.log(`node count: ${nodeCount(situationGraph)}`);
    console.log(`edge count: ${edgeCount(situationGraph)}`);
    console.log(`error/validation summary: ${JSON.stringify(update1Result.json?.errors ?? update1Result.json?.proposalErrors ?? update1Result.json?.graphValidationErrors ?? update1Result.json?.validationErrors ?? update1Result.json?.message ?? null)}`);
    process.exitCode = 1;
    return;
  }

  const updatedGraph1 = update1Result.json.updatedSituationGraph;
  selectedQuestion = update1Result.json.selectedQuestion?.question ?? null;

  console.log("\n=== UPDATE 1 ===");
  console.log(`HTTP status: ${update1Result.status}`);
  console.log(`stage: ${update1Result.json.stage ?? "unknown"}`);
  console.log(`proposal/apply success: ${update1Result.json.proposal?.success ?? update1Result.json.applySuccess ?? null}`);
  console.log(`selected question: ${JSON.stringify(selectedQuestion)}`);
  console.log(`node count: ${nodeCount(updatedGraph1)}`);
  console.log(`edge count: ${edgeCount(updatedGraph1)}`);
  console.log(
    `error/validation summary: ${JSON.stringify(update1Result.json?.errors ?? update1Result.json?.proposalErrors ?? update1Result.json?.graphValidationErrors ?? update1Result.json?.validationErrors ?? null)}`
  );

  if (!selectedQuestion) {
    console.log("ERROR: No selected question returned from update 1. Stopping.");
    process.exitCode = 1;
    return;
  }

  // ── Update 2 ───────────────────────────────────────────
  const prevQ2 = selectedQuestion;
  let update2Result = await postJson("/api/cases/update", {
    situationGraph: updatedGraph1,
    previousQuestion: prevQ2,
    answer: answers[1],
  });

  if (!update2Result.json?.success) {
    console.log("\n=== UPDATE 2 ===");
    console.log(`HTTP status: ${update2Result.status}`);
    console.log(`stage: ${update2Result.json?.stage ?? "unknown"}`);
    console.log(`selected question: null`);
    console.log(`node count: ${nodeCount(updatedGraph1)}`);
    console.log(`edge count: ${edgeCount(updatedGraph1)}`);
    console.log(`error/validation summary: ${JSON.stringify(update2Result.json?.errors ?? update2Result.json?.proposalErrors ?? update2Result.json?.graphValidationErrors ?? update2Result.json?.validationErrors ?? update2Result.json?.message ?? null)}`);
    process.exitCode = 1;
    return;
  }

  const updatedGraph2 = update2Result.json.updatedSituationGraph;
  selectedQuestion = update2Result.json.selectedQuestion?.question ?? null;

  console.log("\n=== UPDATE 2 ===");
  console.log(`HTTP status: ${update2Result.status}`);
  console.log(`stage: ${update2Result.json.stage ?? "unknown"}`);
  console.log(`proposal/apply success: ${update2Result.json.proposal?.success ?? update2Result.json.applySuccess ?? null}`);
  console.log(`selected question: ${JSON.stringify(selectedQuestion)}`);
  console.log(`node count: ${nodeCount(updatedGraph2)}`);
  console.log(`edge count: ${edgeCount(updatedGraph2)}`);
  console.log(
    `error/validation summary: ${JSON.stringify(update2Result.json?.errors ?? update2Result.json?.proposalErrors ?? update2Result.json?.graphValidationErrors ?? update2Result.json?.validationErrors ?? null)}`
  );
}

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