import assert from "node:assert/strict";
import { Readable } from "node:stream";
import { test } from "bun:test";

import { handleWorkbenchLaunchHttp } from "./server-workbench-launch-http.ts";

test("workbench launch records OTel stage for Project Management link write 404", async () => {
  const originalFetch = globalThis.fetch;
  const request = jsonRequest({
    projectId: "project_hwlab_v03",
    taskRef: "mdtodo:hwlab-v03-mdtodo:file_demo:t4_open",
    sessionId: "ses_launch_otel",
    conversationId: "cnv_launch_otel"
  });
  const response = jsonResponse();
  const fetchCalls = [];
  const factWrites = [];
  globalThis.fetch = async (url, init) => {
    fetchCalls.push({ url: String(url), method: init?.method, body: init?.body });
    if (String(url).includes("/v1/project-management/mdtodo/launch-context")) {
      return new Response(JSON.stringify(projectManagementLaunchContextPayload()), {
        status: 200,
        headers: { "content-type": "application/json" }
      });
    }
    return new Response(JSON.stringify({ error: { code: "not_found", message: "Project link route was not found." } }), {
      status: 404,
      headers: { "content-type": "application/json" }
    });
  };
  try {
    await handleWorkbenchLaunchHttp(request, response, {
      env: { HWLAB_PROJECT_MANAGEMENT_URL: "http://project-management.test" },
      accessController: {
        async authenticate() {
          return { ok: true, authMethod: "web-session", actor: { id: "usr_launch_otel", role: "admin" } };
        },
        async recordAgentSessionOwner(input) {
          return {
            id: input.sessionId,
            ownerUserId: input.ownerUserId,
            ownerRole: input.ownerRole,
            projectId: input.projectId,
            conversationId: input.conversationId,
            threadId: input.threadId,
            traceId: input.traceId,
            status: input.status,
            session: input.session,
            createdAt: "2026-06-25T10:00:00.000Z",
            updatedAt: "2026-06-25T10:00:00.000Z"
          };
        }
      },
      runtimeStore: {
        async writeWorkbenchSessionAdmissionFact(params, requestMeta) {
          factWrites.push({ params, requestMeta });
          return { ok: true, fact: params.fact, admissionOnly: true };
        }
      }
    });
  } finally {
    globalThis.fetch = originalFetch;
  }

  assert.equal(response.statusCode, 404);
  assert.equal(fetchCalls.length, 2);
  assert.equal(fetchCalls[0].method, "GET");
  assert.match(fetchCalls[0].url, /\/v1\/project-management\/mdtodo\/launch-context/u);
  assert.equal(fetchCalls[1].method, "POST");
  const body = JSON.parse(response.body);
  assert.equal(body.error.code, "not_found");
  const context = request.hwlabHttpRequestContext;
  assert.equal(context.route, "/v1/workbench/launches");
  assert.equal(context.lastHttpError.code, "not_found");
  assert.equal(context.lastHttpError.category, "workbench_launch");
  assert.equal(context.lastHttpError.layer, "workbench.launch.project_link_write");
  assert.equal(context.otelAttributes["workbench.launch.stage"], "project_link_write");
  assert.equal(context.otelAttributes["workbench.launch.result"], "failed");
  assert.equal(context.otelAttributes["workbench.launch.upstream_status"], 404);
  assert.equal(context.otelAttributes["workbench.launch.session_id"], "ses_launch_otel");
  assert.equal(context.otelAttributes["workbench.launch.task_ref"], "mdtodo:hwlab-v03-mdtodo:file_demo:t4_open");
  assert.equal(context.otelAttributes["workbench.launch.source_id"], "hwlab-v03-mdtodo");
  assert.equal(context.otelAttributes["workbench.launch.hwpod_id"], "constart-71freq-c");
  assert.equal(context.otelAttributes["workbench.launch.workspace_root_hash"], "workspace-hash");
  assert.equal(context.otelAttributes["workbench.launch.context_fingerprint"], "ctx_launch_otel");
  assert.match(context.otelAttributes["workbench.launch.task_ref_hash"], /^[0-9a-f]{24}$/u);
  assert.equal(context.otelAttributes["workbench.launch.values_redacted"], true);
  assert.equal(factWrites.length, 1);
  const sessionJson = factWrites[0].params.fact.sessionJson;
  assert.equal(sessionJson.launchContext.sourceId, "hwlab-v03-mdtodo");
  assert.equal(sessionJson.launchContext.hwpodId, "constart-71freq-c");
  assert.equal(sessionJson.launchContext.contextFingerprint, "ctx_launch_otel");
  assert.equal(sessionJson.launchContext.executionContext.hwpodWorkspaceArgs, "--hwpod-id constart-71freq-c --workspace-path 'F:\\Work\\ConStart'");
  assert.equal(sessionJson.launchContext.valuesRedacted, true);
});

function jsonRequest(body) {
  const request = Readable.from([JSON.stringify(body)]);
  request.method = "POST";
  request.url = "/v1/workbench/launches";
  request.headers = { "content-type": "application/json" };
  request.hwlabHttpRequestContext = {
    requestId: "req_launch_otel",
    startedAtMs: Date.now(),
    traceId: "11111111111111111111111111111111",
    parentSpanId: null,
    spanId: "2222222222222222",
    traceparent: "00-11111111111111111111111111111111-2222222222222222-01",
    method: "POST",
    route: "/v1/workbench/launches",
    valuesPrinted: false
  };
  return request;
}

function jsonResponse() {
  return {
    headersSent: false,
    writableEnded: false,
    statusCode: 0,
    headers: {},
    body: "",
    writeHead(statusCode, headers) {
      this.statusCode = statusCode;
      this.headers = headers;
      this.headersSent = true;
    },
    end(chunk) {
      this.body += String(chunk ?? "");
      this.writableEnded = true;
    }
  };
}

function projectManagementLaunchContextPayload() {
  return {
    ok: true,
    launchContext: {
      source: "project-management",
      projectId: "project_hwlab_v03",
      taskRef: "mdtodo:hwlab-v03-mdtodo:file_demo:t4_open",
      sourceId: "hwlab-v03-mdtodo",
      sourceKind: "hwpod-workspace",
      fileRef: "file_demo",
      taskId: "t4_open",
      hwpodId: "constart-71freq-c",
      nodeId: "D518",
      mdtodoRootRef: "docs/MDTODO",
      workspaceRootHash: "workspace-hash",
      hwpodWorkspaceArgs: "--hwpod-id constart-71freq-c --workspace-path 'F:\\Work\\ConStart'",
      contextFingerprint: "ctx_launch_otel",
      executionContext: {
        sourceId: "hwlab-v03-mdtodo",
        sourceKind: "hwpod-workspace",
        projectId: "project_hwlab_v03",
        taskRef: "mdtodo:hwlab-v03-mdtodo:file_demo:t4_open",
        fileRef: "file_demo",
        taskId: "t4_open",
        hwpodId: "constart-71freq-c",
        nodeId: "D518",
        mdtodoRootRef: "docs/MDTODO",
        workspaceRootHash: "workspace-hash",
        hwpodWorkspaceArgs: "--hwpod-id constart-71freq-c --workspace-path 'F:\\Work\\ConStart'",
        contextFingerprint: "ctx_launch_otel",
        valuesRedacted: true
      },
      valuesRedacted: true
    },
    valuesRedacted: true
  };
}