import { beforeEach, describe, expect, it, vi } from "vitest";

import type {
  SandboxBrowserInfo,
  SandboxContainerInfo,
} from "../agents/sandbox.js";

// --- Mocks ---

const mocks = vi.hoisted(() => ({
  listSandboxContainers: vi.fn(),
  listSandboxBrowsers: vi.fn(),
  removeSandboxContainer: vi.fn(),
  removeSandboxBrowserContainer: vi.fn(),
  clackConfirm: vi.fn(),
}));

vi.mock("../agents/sandbox.js", () => ({
  listSandboxContainers: mocks.listSandboxContainers,
  listSandboxBrowsers: mocks.listSandboxBrowsers,
  removeSandboxContainer: mocks.removeSandboxContainer,
  removeSandboxBrowserContainer: mocks.removeSandboxBrowserContainer,
}));

vi.mock("@clack/prompts", () => ({
  confirm: mocks.clackConfirm,
}));

import { sandboxListCommand, sandboxRecreateCommand } from "./sandbox.js";

// --- Test Factories ---

const NOW = Date.now();

function createContainer(
  overrides: Partial<SandboxContainerInfo> = {},
): SandboxContainerInfo {
  return {
    containerName: "clawd-sandbox-test",
    sessionKey: "test-session",
    image: "clawd/sandbox:latest",
    imageMatch: true,
    running: true,
    createdAtMs: NOW - 3600000,
    lastUsedAtMs: NOW - 600000,
    ...overrides,
  };
}

function createBrowser(
  overrides: Partial<SandboxBrowserInfo> = {},
): SandboxBrowserInfo {
  return {
    containerName: "clawd-browser-test",
    sessionKey: "test-session",
    image: "clawd/browser:latest",
    imageMatch: true,
    running: true,
    createdAtMs: NOW - 3600000,
    lastUsedAtMs: NOW - 600000,
    cdpPort: 9222,
    noVncPort: 5900,
    ...overrides,
  };
}

// --- Test Helpers ---

function createMockRuntime() {
  return {
    log: vi.fn(),
    error: vi.fn(),
    exit: vi.fn(),
  };
}

function setupDefaultMocks() {
  mocks.listSandboxContainers.mockResolvedValue([]);
  mocks.listSandboxBrowsers.mockResolvedValue([]);
  mocks.removeSandboxContainer.mockResolvedValue(undefined);
  mocks.removeSandboxBrowserContainer.mockResolvedValue(undefined);
  mocks.clackConfirm.mockResolvedValue(true);
}

function expectLogContains(
  runtime: ReturnType<typeof createMockRuntime>,
  text: string,
) {
  expect(runtime.log).toHaveBeenCalledWith(expect.stringContaining(text));
}

function expectErrorContains(
  runtime: ReturnType<typeof createMockRuntime>,
  text: string,
) {
  expect(runtime.error).toHaveBeenCalledWith(expect.stringContaining(text));
}

// --- Tests ---

describe("sandboxListCommand", () => {
  let runtime: ReturnType<typeof createMockRuntime>;

  beforeEach(() => {
    vi.clearAllMocks();
    setupDefaultMocks();
    runtime = createMockRuntime();
  });

  describe("human format output", () => {
    it("should display containers", async () => {
      const container1 = createContainer({ containerName: "container-1" });
      const container2 = createContainer({
        containerName: "container-2",
        imageMatch: false,
      });
      mocks.listSandboxContainers.mockResolvedValue([container1, container2]);

      await sandboxListCommand(
        { browser: false, json: false },
        runtime as never,
      );

      expectLogContains(runtime, "📦 Sandbox Containers");
      expectLogContains(runtime, container1.containerName);
      expectLogContains(runtime, container2.containerName);
      expectLogContains(runtime, "Total");
    });

    it("should display browsers when --browser flag is set", async () => {
      const browser = createBrowser({ containerName: "browser-1" });
      mocks.listSandboxBrowsers.mockResolvedValue([browser]);

      await sandboxListCommand(
        { browser: true, json: false },
        runtime as never,
      );

      expectLogContains(runtime, "🌐 Sandbox Browser Containers");
      expectLogContains(runtime, browser.containerName);
      expectLogContains(runtime, String(browser.cdpPort));
    });

    it("should show warning when image mismatches detected", async () => {
      const mismatchContainer = createContainer({ imageMatch: false });
      mocks.listSandboxContainers.mockResolvedValue([mismatchContainer]);

      await sandboxListCommand(
        { browser: false, json: false },
        runtime as never,
      );

      expectLogContains(runtime, "⚠️");
      expectLogContains(runtime, "image mismatch");
      expectLogContains(runtime, "clawdbot sandbox recreate --all");
    });

    it("should display message when no containers found", async () => {
      await sandboxListCommand(
        { browser: false, json: false },
        runtime as never,
      );

      expect(runtime.log).toHaveBeenCalledWith("No sandbox containers found.");
    });
  });

  describe("JSON output", () => {
    it("should output JSON format", async () => {
      const container = createContainer();
      mocks.listSandboxContainers.mockResolvedValue([container]);

      await sandboxListCommand(
        { browser: false, json: true },
        runtime as never,
      );

      const loggedJson = runtime.log.mock.calls[0][0];
      const parsed = JSON.parse(loggedJson);

      expect(parsed.containers).toHaveLength(1);
      expect(parsed.containers[0].containerName).toBe(container.containerName);
      expect(parsed.browsers).toHaveLength(0);
    });
  });

  describe("error handling", () => {
    it("should handle errors gracefully", async () => {
      mocks.listSandboxContainers.mockRejectedValue(
        new Error("Docker not available"),
      );

      await sandboxListCommand(
        { browser: false, json: false },
        runtime as never,
      );

      expect(runtime.log).toHaveBeenCalledWith("No sandbox containers found.");
    });
  });
});

describe("sandboxRecreateCommand", () => {
  let runtime: ReturnType<typeof createMockRuntime>;

  beforeEach(() => {
    vi.clearAllMocks();
    setupDefaultMocks();
    runtime = createMockRuntime();
  });

  describe("validation", () => {
    it("should error if no filter is specified", async () => {
      await sandboxRecreateCommand(
        { all: false, browser: false, force: false },
        runtime as never,
      );

      expectErrorContains(
        runtime,
        "Please specify --all, --session <key>, or --agent <id>",
      );
      expect(runtime.exit).toHaveBeenCalledWith(1);
      expect(mocks.listSandboxContainers).not.toHaveBeenCalled();
      expect(mocks.listSandboxBrowsers).not.toHaveBeenCalled();
    });

    it("should error if multiple filters specified", async () => {
      await sandboxRecreateCommand(
        { all: true, session: "test", browser: false, force: false },
        runtime as never,
      );

      expectErrorContains(
        runtime,
        "Please specify only one of: --all, --session, --agent",
      );
      expect(runtime.exit).toHaveBeenCalledWith(1);
      expect(mocks.listSandboxContainers).not.toHaveBeenCalled();
      expect(mocks.listSandboxBrowsers).not.toHaveBeenCalled();
    });
  });

  describe("filtering", () => {
    it("should filter by session", async () => {
      const match = createContainer({ sessionKey: "target-session" });
      const noMatch = createContainer({ sessionKey: "other-session" });
      mocks.listSandboxContainers.mockResolvedValue([match, noMatch]);

      await sandboxRecreateCommand(
        { session: "target-session", browser: false, force: true },
        runtime as never,
      );

      expect(mocks.removeSandboxContainer).toHaveBeenCalledTimes(1);
      expect(mocks.removeSandboxContainer).toHaveBeenCalledWith(
        match.containerName,
      );
    });

    it("should filter by agent (exact + subkeys)", async () => {
      const agent = createContainer({ sessionKey: "agent:work" });
      const agentSub = createContainer({ sessionKey: "agent:work:subtask" });
      const other = createContainer({ sessionKey: "test-session" });
      mocks.listSandboxContainers.mockResolvedValue([agent, agentSub, other]);

      await sandboxRecreateCommand(
        { agent: "work", browser: false, force: true },
        runtime as never,
      );

      expect(mocks.removeSandboxContainer).toHaveBeenCalledTimes(2);
      expect(mocks.removeSandboxContainer).toHaveBeenCalledWith(
        agent.containerName,
      );
      expect(mocks.removeSandboxContainer).toHaveBeenCalledWith(
        agentSub.containerName,
      );
    });

    it("should remove all when --all flag set", async () => {
      const containers = [createContainer(), createContainer()];
      mocks.listSandboxContainers.mockResolvedValue(containers);

      await sandboxRecreateCommand(
        { all: true, browser: false, force: true },
        runtime as never,
      );

      expect(mocks.removeSandboxContainer).toHaveBeenCalledTimes(2);
    });

    it("should handle browsers when --browser flag set", async () => {
      const browsers = [createBrowser(), createBrowser()];
      mocks.listSandboxBrowsers.mockResolvedValue(browsers);

      await sandboxRecreateCommand(
        { all: true, browser: true, force: true },
        runtime as never,
      );

      expect(mocks.removeSandboxBrowserContainer).toHaveBeenCalledTimes(2);
      expect(mocks.removeSandboxContainer).not.toHaveBeenCalled();
    });
  });

  describe("confirmation flow", () => {
    it("should require confirmation without --force", async () => {
      mocks.listSandboxContainers.mockResolvedValue([createContainer()]);
      mocks.clackConfirm.mockResolvedValue(true);

      await sandboxRecreateCommand(
        { all: true, browser: false, force: false },
        runtime as never,
      );

      expect(mocks.clackConfirm).toHaveBeenCalled();
      expect(mocks.removeSandboxContainer).toHaveBeenCalled();
    });

    it("should cancel when user declines", async () => {
      mocks.listSandboxContainers.mockResolvedValue([createContainer()]);
      mocks.clackConfirm.mockResolvedValue(false);

      await sandboxRecreateCommand(
        { all: true, browser: false, force: false },
        runtime as never,
      );

      expect(runtime.log).toHaveBeenCalledWith("Cancelled.");
      expect(mocks.removeSandboxContainer).not.toHaveBeenCalled();
    });

    it("should cancel on clack cancel symbol", async () => {
      mocks.listSandboxContainers.mockResolvedValue([createContainer()]);
      mocks.clackConfirm.mockResolvedValue(Symbol.for("clack:cancel"));

      await sandboxRecreateCommand(
        { all: true, browser: false, force: false },
        runtime as never,
      );

      expect(runtime.log).toHaveBeenCalledWith("Cancelled.");
      expect(mocks.removeSandboxContainer).not.toHaveBeenCalled();
    });

    it("should skip confirmation with --force", async () => {
      mocks.listSandboxContainers.mockResolvedValue([createContainer()]);

      await sandboxRecreateCommand(
        { all: true, browser: false, force: true },
        runtime as never,
      );

      expect(mocks.clackConfirm).not.toHaveBeenCalled();
      expect(mocks.removeSandboxContainer).toHaveBeenCalled();
    });
  });

  describe("execution", () => {
    it("should show message when no containers match", async () => {
      await sandboxRecreateCommand(
        { all: true, browser: false, force: true },
        runtime as never,
      );

      expect(runtime.log).toHaveBeenCalledWith(
        "No containers found matching the criteria.",
      );
      expect(mocks.removeSandboxContainer).not.toHaveBeenCalled();
    });

    it("should handle removal errors and exit with code 1", async () => {
      mocks.listSandboxContainers.mockResolvedValue([
        createContainer({ containerName: "success" }),
        createContainer({ containerName: "failure" }),
      ]);
      mocks.removeSandboxContainer
        .mockResolvedValueOnce(undefined)
        .mockRejectedValueOnce(new Error("Removal failed"));

      await sandboxRecreateCommand(
        { all: true, browser: false, force: true },
        runtime as never,
      );

      expectErrorContains(runtime, "Failed to remove");
      expectLogContains(runtime, "1 removed, 1 failed");
      expect(runtime.exit).toHaveBeenCalledWith(1);
    });

    it("should display success message", async () => {
      mocks.listSandboxContainers.mockResolvedValue([createContainer()]);

      await sandboxRecreateCommand(
        { all: true, browser: false, force: true },
        runtime as never,
      );

      expectLogContains(runtime, "✓ Removed");
      expectLogContains(runtime, "1 removed, 0 failed");
      expectLogContains(runtime, "automatically recreated");
    });
  });
});