/** Ensures bundled plugin command manifests are scanned without loading command runtimes. */
import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import { afterEach, describe, expect, it, vi } from "vitest";
import { withEnvAsync } from "../test-utils/env.js";
import type { PluginManifestRecord } from "./manifest-registry.js";

const mocks = vi.hoisted(() => ({
  plugins: [] as PluginManifestRecord[],
  warn: vi.fn(),
}));

vi.mock("../logging/subsystem.js", () => ({
  createSubsystemLogger: () => ({ warn: mocks.warn }),
}));

vi.mock("./manifest-registry.js", () => ({
  loadPluginManifestRegistry: () => ({ diagnostics: [], plugins: mocks.plugins }),
}));

vi.mock("./plugin-registry-contributions.js", () => ({
  loadPluginManifestRegistryForPluginRegistry: () => ({ diagnostics: [], plugins: mocks.plugins }),
}));

vi.mock("./config-state.js", () => ({
  hasExplicitPluginConfig: (plugins?: { entries?: Record<string, unknown> }) =>
    Boolean(plugins?.entries && Object.keys(plugins.entries).length > 0),
  normalizePluginsConfig: (plugins?: unknown) => plugins,
  resolveEffectivePluginActivationState: (params: {
    config?: { entries?: Record<string, { enabled?: boolean }> };
    id: string;
  }) => ({
    activated: params.config?.entries?.[params.id]?.enabled !== false,
  }),
}));

const { loadEnabledClaudeBundleCommands } = await import("./bundle-commands.js");

const tempDirs: string[] = [];

afterEach(async () => {
  mocks.plugins = [];
  mocks.warn.mockReset();
  await Promise.all(tempDirs.splice(0).map((dir) => fs.rm(dir, { recursive: true, force: true })));
});

async function createTempDir(prefix: string): Promise<string> {
  const dir = await fs.mkdtemp(path.join(os.tmpdir(), prefix));
  tempDirs.push(dir);
  return dir;
}

function resolveBundlePluginRoot(homeDir: string, pluginId: string) {
  return path.join(homeDir, ".openclaw", "extensions", pluginId);
}

async function writeClaudeBundleCommandFixture(params: {
  homeDir: string;
  pluginId: string;
  commands: Array<{ relativePath: string; contents: string[] }>;
}) {
  const pluginRoot = resolveBundlePluginRoot(params.homeDir, params.pluginId);
  await fs.mkdir(path.join(pluginRoot, ".claude-plugin"), { recursive: true });
  await fs.writeFile(
    path.join(pluginRoot, ".claude-plugin", "plugin.json"),
    `${JSON.stringify({ name: params.pluginId }, null, 2)}\n`,
    "utf-8",
  );
  await Promise.all(
    params.commands.map(async (command) => {
      const filePath = path.join(pluginRoot, command.relativePath);
      await fs.mkdir(path.dirname(filePath), { recursive: true });
      await fs.writeFile(filePath, [...command.contents, ""].join("\n"), "utf-8");
    }),
  );
  mocks.plugins = [
    {
      id: params.pluginId,
      format: "bundle",
      bundleFormat: "claude",
      bundleCapabilities: ["commands"],
      origin: "global",
      rootDir: pluginRoot,
    } as PluginManifestRecord,
  ];
}

function expectEnabledClaudeBundleCommands(
  commands: ReturnType<typeof loadEnabledClaudeBundleCommands>,
  expected: Array<{
    pluginId: string;
    rawName: string;
    description: string;
    promptTemplate: string;
    sourceFilePath: string;
  }>,
) {
  expect(commands).toEqual(expected);
}

describe("loadEnabledClaudeBundleCommands", () => {
  it("loads enabled Claude bundle markdown commands and honors invocation policy", async () => {
    const homeDir = await createTempDir("openclaw-bundle-commands-home-");
    const workspaceDir = await createTempDir("openclaw-bundle-commands-workspace-");
    await withEnvAsync(
      {
        HOME: homeDir,
        USERPROFILE: homeDir,
        OPENCLAW_HOME: undefined,
        OPENCLAW_STATE_DIR: undefined,
      },
      async () => {
        await writeClaudeBundleCommandFixture({
          homeDir,
          pluginId: "compound-bundle",
          commands: [
            {
              relativePath: "commands/office-hours.md",
              contents: [
                "---",
                "description: Help with scoping and architecture",
                "---",
                "Give direct engineering advice.",
              ],
            },
            {
              relativePath: "commands/workflows/review.md",
              contents: [
                "---",
                "name: workflows:review",
                "description: Run a structured review",
                "---",
                "Review the code. $ARGUMENTS",
              ],
            },
            {
              relativePath: "commands/model-hidden.md",
              contents: ["---", "disable-model-invocation: on", "---", "Manual only."],
            },
            {
              relativePath: "commands/user-enabled.md",
              contents: ["---", "user-invocable: on", "---", "User enabled."],
            },
            {
              relativePath: "commands/user-hidden.md",
              contents: ["---", "user-invocable: off", "---", "User hidden."],
            },
            {
              relativePath: "commands/user-hidden-false.md",
              contents: ["---", "user-invocable: false", "---", "User hidden."],
            },
            {
              relativePath: "commands/not-frontmatter.md",
              contents: ["---not", "name: nope", "---not", "Treat this as Markdown."],
            },
          ],
        });

        const commands = loadEnabledClaudeBundleCommands({
          workspaceDir,
          cfg: {
            plugins: {
              entries: { "compound-bundle": { enabled: true } },
            },
          },
        });

        expectEnabledClaudeBundleCommands(commands, [
          {
            pluginId: "compound-bundle",
            rawName: "model-hidden",
            description: "Manual only.",
            promptTemplate: "Manual only.",
            sourceFilePath: path.join(
              resolveBundlePluginRoot(homeDir, "compound-bundle"),
              "commands",
              "model-hidden.md",
            ),
          },
          {
            pluginId: "compound-bundle",
            rawName: "not-frontmatter",
            description: "---not",
            promptTemplate: "---not\nname: nope\n---not\nTreat this as Markdown.",
            sourceFilePath: path.join(
              resolveBundlePluginRoot(homeDir, "compound-bundle"),
              "commands",
              "not-frontmatter.md",
            ),
          },
          {
            pluginId: "compound-bundle",
            rawName: "office-hours",
            description: "Help with scoping and architecture",
            promptTemplate: "Give direct engineering advice.",
            sourceFilePath: path.join(
              resolveBundlePluginRoot(homeDir, "compound-bundle"),
              "commands",
              "office-hours.md",
            ),
          },
          {
            pluginId: "compound-bundle",
            rawName: "user-enabled",
            description: "User enabled.",
            promptTemplate: "User enabled.",
            sourceFilePath: path.join(
              resolveBundlePluginRoot(homeDir, "compound-bundle"),
              "commands",
              "user-enabled.md",
            ),
          },
          {
            pluginId: "compound-bundle",
            rawName: "workflows:review",
            description: "Run a structured review",
            promptTemplate: "Review the code. $ARGUMENTS",
            sourceFilePath: path.join(
              resolveBundlePluginRoot(homeDir, "compound-bundle"),
              "commands",
              "workflows",
              "review.md",
            ),
          },
        ]);
        const rawNames = commands.map((entry) => entry.rawName);
        expect(rawNames).not.toContain("user-hidden");
        expect(rawNames).not.toContain("user-hidden-false");
      },
    );
  });

  it("warns and skips oversized bundle commands without dropping siblings", async () => {
    const homeDir = await createTempDir("openclaw-bundle-commands-oversized-");
    const workspaceDir = await createTempDir("openclaw-bundle-commands-oversized-ws-");

    await writeClaudeBundleCommandFixture({
      homeDir,
      pluginId: "oversized-test",
      commands: [
        {
          relativePath: "commands/normal.md",
          contents: [
            "---",
            "description: Normal command that should be loaded",
            "---",
            "This is a normal command.",
          ],
        },
      ],
    });

    const pluginRoot = resolveBundlePluginRoot(homeDir, "oversized-test");
    const oversizedFilePath = path.join(pluginRoot, "commands", "oversized.md");
    await fs.mkdir(path.dirname(oversizedFilePath), { recursive: true });
    const oversizedContent = Buffer.alloc(1 * 1024 * 1024 + 1, "x");
    await fs.writeFile(oversizedFilePath, oversizedContent);

    const commands = loadEnabledClaudeBundleCommands({
      workspaceDir,
      cfg: {
        plugins: {
          entries: { "oversized-test": { enabled: true } },
        },
      },
    });

    expect(commands.map((entry) => entry.rawName)).toEqual(["normal"]);
    expect(mocks.warn).toHaveBeenCalledOnce();
    const warning = String(mocks.warn.mock.calls[0]?.[0]);
    expect(warning).toContain(oversizedFilePath);
    expect(warning).toContain("1048576");
  });
});