import { codexTasksQueryForTest } from "./src/code-queue";

type JsonRecord = Record<string, unknown>;

function assertCondition(condition: unknown, message: string, detail: JsonRecord = {}): void {
  if (!condition) throw new Error(`${message}: ${JSON.stringify(detail)}`);
}

function asRecord(value: unknown): JsonRecord {
  assertCondition(typeof value === "object" && value !== null && !Array.isArray(value), "expected JSON object", { value });
  return value as JsonRecord;
}

function asArray(value: unknown): unknown[] {
  assertCondition(Array.isArray(value), "expected JSON array", { value });
  return value as unknown[];
}

function longText(marker: string, repeat: number): string {
  return Array.from({ length: repeat }, (_, index) => `${marker}-${index} #132 Gate report diagnostic review evidence direct workbench fix`).join("\n");
}

function task(id: string, status: string, updatedAt: string, readAt: string | null = null): JsonRecord {
  return {
    id,
    queueId: "default",
    status,
    currentAttempt: status === "running" ? 2 : 1,
    updatedAt,
    finishedAt: status === "succeeded" ? updatedAt : null,
    readAt,
    prompt: longText(`prompt-${id}`, 90),
    basePrompt: longText(`base-${id}`, 70),
    displayPrompt: longText(`display-${id}`, 80),
    lastAssistantMessage: {
      at: updatedAt,
      seq: 99,
      source: "assistant",
      text: longText(`assistant-${id}`, 120),
    },
  };
}

function fixtureResponse(path: string): JsonRecord {
  if (path.includes("/summary")) {
    const taskId = decodeURIComponent(path.split("/api/tasks/")[1]?.split("/")[0] ?? "unknown");
    return {
      ok: true,
      status: 200,
      body: {
        ok: true,
        summary: {
          id: taskId,
          queueId: "default",
          status: taskId.includes("running") ? "running" : "succeeded",
          currentAttempt: 1,
          maxAttempts: 99,
          prompt: longText(`summary-prompt-${taskId}`, 100),
          basePrompt: longText(`summary-base-${taskId}`, 80),
          lastAssistantMessage: {
            at: "2026-05-22T00:00:00.000Z",
            seq: 120,
            source: "assistant",
            text: longText(`summary-assistant-${taskId}`, 130),
          },
          commands: {
            show: `bun scripts/cli.ts codex task ${taskId}`,
            trace: `bun scripts/cli.ts codex task ${taskId} --trace --tail --limit 80`,
          },
        },
      },
    };
  }
  assertCondition(path.startsWith("/api/microservices/code-queue/proxy/api/tasks/overview"), "unexpected path", { path });
  return {
    ok: true,
    status: 200,
    body: {
      ok: true,
      queue: {
        executionDiagnostics: {
          effectiveLiveness: "live",
          splitBrainLive: true,
          recommendedAction: "continue-supervision",
        },
      },
      pagination: {
        limit: 200,
        returned: 15,
        total: 15,
        hasMore: false,
        nextBeforeId: null,
        includeActive: true,
      },
      tasks: [
        task("task-running", "running", "2026-05-22T00:09:00.000Z"),
        task("task-succeeded-1", "succeeded", "2026-05-22T00:08:00.000Z"),
        task("task-succeeded-2", "succeeded", "2026-05-22T00:07:00.000Z"),
        task("task-succeeded-3", "succeeded", "2026-05-22T00:06:00.000Z"),
        task("task-succeeded-4", "succeeded", "2026-05-22T00:05:00.000Z"),
        task("task-succeeded-5", "succeeded", "2026-05-22T00:04:00.000Z"),
        task("task-succeeded-6", "succeeded", "2026-05-22T00:03:00.000Z"),
        task("task-succeeded-7", "succeeded", "2026-05-22T00:02:00.000Z"),
        task("task-read-1", "succeeded", "2026-05-22T00:01:50.000Z", "2026-05-22T00:01:55.000Z"),
        task("task-read-2", "succeeded", "2026-05-22T00:01:40.000Z", "2026-05-22T00:01:45.000Z"),
        task("task-read-3", "succeeded", "2026-05-22T00:01:30.000Z", "2026-05-22T00:01:35.000Z"),
        task("task-read-4", "succeeded", "2026-05-22T00:01:20.000Z", "2026-05-22T00:01:25.000Z"),
        task("task-read-5", "succeeded", "2026-05-22T00:01:10.000Z", "2026-05-22T00:01:15.000Z"),
        task("task-read-6", "succeeded", "2026-05-22T00:01:05.000Z", "2026-05-22T00:01:09.000Z"),
        task("task-queued", "queued", "2026-05-22T00:01:00.000Z"),
      ],
    },
  };
}

export function runCodeQueueSupervisorDisclosureContract(): JsonRecord {
  const supervisor = codexTasksQueryForTest(["--view", "supervisor", "--limit", "20"], fixtureResponse);
  const full = codexTasksQueryForTest(["--view", "full", "--limit", "20"], fixtureResponse);

  const supervisorBody = JSON.stringify(supervisor);
  const fullBody = JSON.stringify(full);
  const supervisorData = asRecord(supervisor);
  const supervisorView = asRecord(supervisorData.supervisor);
  const disclosure = asRecord(supervisorView.disclosure);
  const runningItem = asRecord(asArray(asRecord(supervisorView.running).items)[0]);
  const recentCompleted = asRecord(supervisorView.recentCompleted);
  const recentItems = asArray(recentCompleted.items);
  const prompt = asRecord(runningItem.prompt);
  const lastMessage = asRecord(runningItem.lastMessage);
  const commands = asRecord(runningItem.commands);
  const fullItem = asRecord(asArray(asRecord(asRecord(full).tasks).items)[0]);
  const completedUnread = asRecord(supervisorView.completedUnread);
  const fullTasks = asRecord(asRecord(full).tasks);

  assertCondition(supervisorBody.length < fullBody.length * 0.55, "supervisor output should be materially smaller than full output", { supervisorChars: supervisorBody.length, fullChars: fullBody.length });
  assertCondition(recentItems.length === 5, "recentCompleted should be capped below --limit by default", { returned: recentItems.length });
  assertCondition(asArray(completedUnread.items).length === 7, "completedUnread should keep unread terminal tasks separate from recentCompleted", completedUnread);
  assertCondition(recentItems.every((item) => asRecord(item).unreadTerminal === false), "recentCompleted should not duplicate unread terminal tasks", { recentItems });
  assertCondition(asArray(runningItem.issueRefs).includes("#132"), "supervisor row should expose issue refs for triage", runningItem);
  assertCondition(Number(prompt.chars) > String(prompt.text ?? "").length && prompt.truncated === true, "supervisor prompt must be a short preview with original char count", prompt);
  assertCondition(Number(lastMessage.chars) > String(lastMessage.text ?? "").length && lastMessage.truncated === true, "supervisor body must be a short preview with original char count", lastMessage);
  assertCondition(commands.show !== undefined && commands.trace !== undefined && commands.output !== undefined && commands.full !== undefined, "supervisor row must keep progressive drill-down commands", commands);
  assertCondition(runningItem.promptPreview === undefined && runningItem.lastAssistantMessage === undefined, "supervisor rows must not expose legacy long list fields", runningItem);
  assertCondition(asRecord(fullItem.promptPreview).chars !== undefined && fullItem.lastAssistantMessage !== undefined, "full view must retain detailed task row fields", fullItem);
  assertCondition(fullTasks.returned === 15, "full view must not inherit supervisor recentCompleted cap", fullTasks);
  assertCondition(asRecord(disclosure.outputBudget).recentCompletedReturnedLimit === 5, "supervisor must expose output budget metadata", disclosure);

  return {
    ok: true,
    checks: [
      "supervisor output materially smaller than full",
      "recentCompleted capped",
      "prompt/body previews bounded",
      "drill-down commands preserved",
      "full view remains detailed",
    ],
    supervisorChars: supervisorBody.length,
    fullChars: fullBody.length,
  };
}

if (import.meta.main) {
  process.stdout.write(`${JSON.stringify(runCodeQueueSupervisorDisclosureContract(), null, 2)}\n`);
}