import fs from "node:fs";
import path from "node:path";
import { afterEach, describe, expect, it } from "vitest";
import type { PluginCandidate } from "./discovery.js";
import {
  clearPluginManifestRegistryCache,
  loadPluginManifestRegistry,
} from "./manifest-registry.js";
import type { OpenClawPackageManifest } from "./manifest.js";
import { cleanupTrackedTempDirs, makeTrackedTempDir } from "./test-helpers/fs-fixtures.js";

const tempDirs: string[] = [];

function chmodSafeDir(dir: string) {
  if (process.platform === "win32") {
    return;
  }
  fs.chmodSync(dir, 0o755);
}

function mkdirSafe(dir: string) {
  fs.mkdirSync(dir, { recursive: true });
  chmodSafeDir(dir);
}

function makeTempDir() {
  return makeTrackedTempDir("openclaw-manifest-registry", tempDirs);
}

function writeManifest(dir: string, manifest: Record<string, unknown>) {
  fs.writeFileSync(path.join(dir, "openclaw.plugin.json"), JSON.stringify(manifest), "utf-8");
}

function createPluginCandidate(params: {
  idHint: string;
  rootDir: string;
  sourceName?: string;
  origin: "bundled" | "global" | "workspace" | "config";
  format?: "openclaw" | "bundle";
  bundleFormat?: "codex" | "claude" | "cursor";
  packageManifest?: OpenClawPackageManifest;
  packageDir?: string;
}): PluginCandidate {
  return {
    idHint: params.idHint,
    source: path.join(params.rootDir, params.sourceName ?? "index.ts"),
    rootDir: params.rootDir,
    origin: params.origin,
    format: params.format,
    bundleFormat: params.bundleFormat,
    packageManifest: params.packageManifest,
    packageDir: params.packageDir,
  };
}

function loadRegistry(candidates: PluginCandidate[]) {
  return loadPluginManifestRegistry({
    candidates,
    cache: false,
  });
}

function countDuplicateWarnings(registry: ReturnType<typeof loadPluginManifestRegistry>): number {
  return registry.diagnostics.filter(
    (diagnostic) =>
      diagnostic.level === "warn" && diagnostic.message?.includes("duplicate plugin id"),
  ).length;
}

function prepareLinkedManifestFixture(params: { id: string; mode: "symlink" | "hardlink" }): {
  rootDir: string;
  linked: boolean;
} {
  const rootDir = makeTempDir();
  const outsideDir = makeTempDir();
  const outsideManifest = path.join(outsideDir, "openclaw.plugin.json");
  const linkedManifest = path.join(rootDir, "openclaw.plugin.json");
  fs.writeFileSync(path.join(rootDir, "index.ts"), "export default function () {}", "utf-8");
  fs.writeFileSync(
    outsideManifest,
    JSON.stringify({ id: params.id, configSchema: { type: "object" } }),
    "utf-8",
  );

  try {
    if (params.mode === "symlink") {
      fs.symlinkSync(outsideManifest, linkedManifest);
    } else {
      fs.linkSync(outsideManifest, linkedManifest);
    }
    return { rootDir, linked: true };
  } catch (err) {
    if (params.mode === "symlink") {
      return { rootDir, linked: false };
    }
    if ((err as NodeJS.ErrnoException).code === "EXDEV") {
      return { rootDir, linked: false };
    }
    throw err;
  }
}

function loadSingleCandidateRegistry(params: {
  idHint: string;
  rootDir: string;
  origin: "bundled" | "global" | "workspace" | "config";
}) {
  return loadRegistry([
    createPluginCandidate({
      idHint: params.idHint,
      rootDir: params.rootDir,
      origin: params.origin,
    }),
  ]);
}

function hasUnsafeManifestDiagnostic(registry: ReturnType<typeof loadPluginManifestRegistry>) {
  return registry.diagnostics.some((diag) => diag.message.includes("unsafe plugin manifest path"));
}

function expectUnsafeWorkspaceManifestRejected(params: {
  id: string;
  mode: "symlink" | "hardlink";
}) {
  const fixture = prepareLinkedManifestFixture({ id: params.id, mode: params.mode });
  if (!fixture.linked) {
    return;
  }
  const registry = loadSingleCandidateRegistry({
    idHint: params.id,
    rootDir: fixture.rootDir,
    origin: "workspace",
  });
  expect(registry.plugins).toHaveLength(0);
  expect(hasUnsafeManifestDiagnostic(registry)).toBe(true);
}

afterEach(() => {
  clearPluginManifestRegistryCache();
  cleanupTrackedTempDirs(tempDirs);
});

describe("loadPluginManifestRegistry", () => {
  it("emits duplicate warning for truly distinct plugins with same id", () => {
    const dirA = makeTempDir();
    const dirB = makeTempDir();
    const manifest = { id: "test-plugin", configSchema: { type: "object" } };
    writeManifest(dirA, manifest);
    writeManifest(dirB, manifest);

    const candidates: PluginCandidate[] = [
      createPluginCandidate({
        idHint: "test-plugin",
        rootDir: dirA,
        origin: "bundled",
      }),
      createPluginCandidate({
        idHint: "test-plugin",
        rootDir: dirB,
        origin: "global",
      }),
    ];

    expect(countDuplicateWarnings(loadRegistry(candidates))).toBe(1);
  });

  it("reports explicit installed globals as the effective duplicate winner", () => {
    const bundledDir = makeTempDir();
    const globalDir = makeTempDir();
    const manifest = { id: "zalouser", configSchema: { type: "object" } };
    writeManifest(bundledDir, manifest);
    writeManifest(globalDir, manifest);

    const registry = loadPluginManifestRegistry({
      cache: false,
      config: {
        plugins: {
          installs: {
            zalouser: {
              source: "npm",
              installPath: globalDir,
            },
          },
        },
      },
      candidates: [
        createPluginCandidate({
          idHint: "zalouser",
          rootDir: bundledDir,
          origin: "bundled",
        }),
        createPluginCandidate({
          idHint: "zalouser",
          rootDir: globalDir,
          origin: "global",
        }),
      ],
    });

    expect(
      registry.diagnostics.some((diag) =>
        diag.message.includes("bundled plugin will be overridden by global plugin"),
      ),
    ).toBe(true);
  });

  it("preserves provider auth env metadata from plugin manifests", () => {
    const dir = makeTempDir();
    writeManifest(dir, {
      id: "openai",
      enabledByDefault: true,
      providers: ["openai", "openai-codex"],
      providerAuthEnvVars: {
        openai: ["OPENAI_API_KEY"],
      },
      providerAuthChoices: [
        {
          provider: "openai",
          method: "api-key",
          choiceId: "openai-api-key",
          choiceLabel: "OpenAI API key",
        },
      ],
      configSchema: { type: "object" },
    });

    const registry = loadSingleCandidateRegistry({
      idHint: "openai",
      rootDir: dir,
      origin: "bundled",
    });

    expect(registry.plugins[0]?.providerAuthEnvVars).toEqual({
      openai: ["OPENAI_API_KEY"],
    });
    expect(registry.plugins[0]?.enabledByDefault).toBe(true);
    expect(registry.plugins[0]?.providerAuthChoices).toEqual([
      {
        provider: "openai",
        method: "api-key",
        choiceId: "openai-api-key",
        choiceLabel: "OpenAI API key",
      },
    ]);
  });

  it("skips plugins whose minHostVersion is newer than the current host", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "synology-chat", configSchema: { type: "object" } });

    const registry = loadPluginManifestRegistry({
      cache: false,
      env: { OPENCLAW_VERSION: "2026.3.21" },
      candidates: [
        createPluginCandidate({
          idHint: "synology-chat",
          rootDir: dir,
          packageDir: dir,
          origin: "global",
          packageManifest: {
            install: {
              npmSpec: "@openclaw/synology-chat",
              minHostVersion: ">=2026.3.22",
            },
          },
        }),
      ],
    });

    expect(registry.plugins).toEqual([]);
    expect(
      registry.diagnostics.some((diag) =>
        diag.message.includes("plugin requires OpenClaw >=2026.3.22, but this host is 2026.3.21"),
      ),
    ).toBe(true);
  });

  it("rejects invalid minHostVersion metadata", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "synology-chat", configSchema: { type: "object" } });

    const registry = loadPluginManifestRegistry({
      cache: false,
      candidates: [
        createPluginCandidate({
          idHint: "synology-chat",
          rootDir: dir,
          packageDir: dir,
          origin: "global",
          packageManifest: {
            install: {
              npmSpec: "@openclaw/synology-chat",
              minHostVersion: "2026.3.22",
            },
          },
        }),
      ],
    });

    expect(registry.plugins).toEqual([]);
    expect(
      registry.diagnostics.some((diag) =>
        diag.message.includes("plugin manifest invalid | openclaw.install.minHostVersion must use"),
      ),
    ).toBe(true);
  });

  it("warns distinctly when host version cannot be determined", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "synology-chat", configSchema: { type: "object" } });

    const registry = loadPluginManifestRegistry({
      cache: false,
      env: { OPENCLAW_VERSION: "unknown" },
      candidates: [
        createPluginCandidate({
          idHint: "synology-chat",
          rootDir: dir,
          packageDir: dir,
          origin: "global",
          packageManifest: {
            install: {
              npmSpec: "@openclaw/synology-chat",
              minHostVersion: ">=2026.3.22",
            },
          },
        }),
      ],
    });

    expect(registry.plugins).toEqual([]);
    expect(
      registry.diagnostics.some((diag) =>
        diag.message.includes("host version could not be determined"),
      ),
    ).toBe(true);
    expect(registry.diagnostics.some((diag) => diag.level === "warn")).toBe(true);
  });

  it("reports bundled plugins as the duplicate winner for auto-discovered globals", () => {
    const bundledDir = makeTempDir();
    const globalDir = makeTempDir();
    const manifest = { id: "feishu", configSchema: { type: "object" } };
    writeManifest(bundledDir, manifest);
    writeManifest(globalDir, manifest);

    const registry = loadPluginManifestRegistry({
      cache: false,
      candidates: [
        createPluginCandidate({
          idHint: "feishu",
          rootDir: bundledDir,
          origin: "bundled",
        }),
        createPluginCandidate({
          idHint: "feishu",
          rootDir: globalDir,
          origin: "global",
        }),
      ],
    });

    expect(
      registry.diagnostics.some((diag) =>
        diag.message.includes("global plugin will be overridden by bundled plugin"),
      ),
    ).toBe(true);
  });

  it("reports bundled plugins as the duplicate winner for workspace duplicates", () => {
    const bundledDir = makeTempDir();
    const workspaceDir = makeTempDir();
    const manifest = { id: "shadowed", configSchema: { type: "object" } };
    writeManifest(bundledDir, manifest);
    writeManifest(workspaceDir, manifest);

    const registry = loadPluginManifestRegistry({
      cache: false,
      candidates: [
        createPluginCandidate({
          idHint: "shadowed",
          rootDir: bundledDir,
          origin: "bundled",
        }),
        createPluginCandidate({
          idHint: "shadowed",
          rootDir: workspaceDir,
          origin: "workspace",
        }),
      ],
    });

    expect(
      registry.diagnostics.some((diag) =>
        diag.message.includes("workspace plugin will be overridden by bundled plugin"),
      ),
    ).toBe(true);
  });

  it("suppresses duplicate warning when candidates share the same physical directory via symlink", () => {
    const realDir = makeTempDir();
    const manifest = { id: "feishu", configSchema: { type: "object" } };
    writeManifest(realDir, manifest);

    // Create a symlink pointing to the same directory
    const symlinkParent = makeTempDir();
    const symlinkPath = path.join(symlinkParent, "feishu-link");
    try {
      fs.symlinkSync(realDir, symlinkPath, "junction");
    } catch {
      // On systems where symlinks are not supported (e.g. restricted Windows),
      // skip this test gracefully.
      return;
    }

    const candidates: PluginCandidate[] = [
      createPluginCandidate({
        idHint: "feishu",
        rootDir: realDir,
        origin: "bundled",
      }),
      createPluginCandidate({
        idHint: "feishu",
        rootDir: symlinkPath,
        origin: "bundled",
      }),
    ];

    expect(countDuplicateWarnings(loadRegistry(candidates))).toBe(0);
  });

  it("suppresses duplicate warning when candidates have identical rootDir paths", () => {
    const dir = makeTempDir();
    const manifest = { id: "same-path-plugin", configSchema: { type: "object" } };
    writeManifest(dir, manifest);

    const candidates: PluginCandidate[] = [
      createPluginCandidate({
        idHint: "same-path-plugin",
        rootDir: dir,
        sourceName: "a.ts",
        origin: "bundled",
      }),
      createPluginCandidate({
        idHint: "same-path-plugin",
        rootDir: dir,
        sourceName: "b.ts",
        origin: "global",
      }),
    ];

    expect(countDuplicateWarnings(loadRegistry(candidates))).toBe(0);
  });

  it("accepts provider-style id hints without warning", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "openai", configSchema: { type: "object" } });

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "openai-provider",
        rootDir: dir,
        origin: "bundled",
      }),
    ]);

    expect(registry.diagnostics.some((diag) => diag.message.includes("plugin id mismatch"))).toBe(
      false,
    );
  });

  it("accepts plugin-style id hints without warning", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "brave", configSchema: { type: "object" } });

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "brave-plugin",
        rootDir: dir,
        origin: "bundled",
      }),
    ]);

    expect(registry.diagnostics.some((diag) => diag.message.includes("plugin id mismatch"))).toBe(
      false,
    );
  });

  it("accepts sandbox-style id hints without warning", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "openshell", configSchema: { type: "object" } });

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "openshell-sandbox",
        rootDir: dir,
        origin: "bundled",
      }),
    ]);

    expect(registry.diagnostics.some((diag) => diag.message.includes("plugin id mismatch"))).toBe(
      false,
    );
  });

  it("accepts media-understanding-style id hints without warning", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "groq", configSchema: { type: "object" } });

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "groq-media-understanding",
        rootDir: dir,
        origin: "bundled",
      }),
    ]);

    expect(registry.diagnostics.some((diag) => diag.message.includes("plugin id mismatch"))).toBe(
      false,
    );
  });

  it("still warns for unrelated id hint mismatches", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "openai", configSchema: { type: "object" } });

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "totally-different",
        rootDir: dir,
        origin: "bundled",
      }),
    ]);

    expect(
      registry.diagnostics.some((diag) =>
        diag.message.includes(
          'plugin id mismatch (manifest uses "openai", entry hints "totally-different")',
        ),
      ),
    ).toBe(true);
  });

  it("loads Codex bundle manifests into the registry", () => {
    const bundleDir = makeTempDir();
    mkdirSafe(path.join(bundleDir, ".codex-plugin"));
    mkdirSafe(path.join(bundleDir, "skills"));
    fs.writeFileSync(
      path.join(bundleDir, ".codex-plugin", "plugin.json"),
      JSON.stringify({
        name: "Sample Bundle",
        description: "Bundle fixture",
        skills: "skills",
        hooks: "hooks",
      }),
      "utf-8",
    );
    mkdirSafe(path.join(bundleDir, "hooks"));

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "sample-bundle",
        rootDir: bundleDir,
        origin: "global",
        format: "bundle",
        bundleFormat: "codex",
      }),
    ]);

    expect(registry.plugins).toHaveLength(1);
    expect(registry.plugins[0]).toMatchObject({
      id: "sample-bundle",
      format: "bundle",
      bundleFormat: "codex",
      hooks: ["hooks"],
      skills: ["skills"],
      bundleCapabilities: expect.arrayContaining(["hooks", "skills"]),
    });
  });

  it("loads Claude bundle manifests with command roots and settings files", () => {
    const bundleDir = makeTempDir();
    mkdirSafe(path.join(bundleDir, ".claude-plugin"));
    mkdirSafe(path.join(bundleDir, "skill-packs", "starter"));
    mkdirSafe(path.join(bundleDir, "commands-pack"));
    fs.writeFileSync(path.join(bundleDir, "settings.json"), '{"hideThinkingBlock":true}', "utf-8");
    fs.writeFileSync(
      path.join(bundleDir, ".claude-plugin", "plugin.json"),
      JSON.stringify({
        name: "Claude Sample",
        skills: ["skill-packs/starter"],
        commands: "commands-pack",
      }),
      "utf-8",
    );

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "claude-sample",
        rootDir: bundleDir,
        origin: "global",
        format: "bundle",
        bundleFormat: "claude",
      }),
    ]);

    expect(registry.plugins).toHaveLength(1);
    expect(registry.plugins[0]).toMatchObject({
      id: "claude-sample",
      format: "bundle",
      bundleFormat: "claude",
      skills: ["skill-packs/starter", "commands-pack"],
      settingsFiles: ["settings.json"],
      bundleCapabilities: expect.arrayContaining(["skills", "commands", "settings"]),
    });
  });

  it("loads manifestless Claude bundles into the registry", () => {
    const bundleDir = makeTempDir();
    mkdirSafe(path.join(bundleDir, "commands"));
    fs.writeFileSync(path.join(bundleDir, "settings.json"), '{"hideThinkingBlock":true}', "utf-8");

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "manifestless-claude",
        rootDir: bundleDir,
        origin: "global",
        format: "bundle",
        bundleFormat: "claude",
      }),
    ]);

    expect(registry.plugins).toHaveLength(1);
    expect(registry.plugins[0]).toMatchObject({
      format: "bundle",
      bundleFormat: "claude",
      skills: ["commands"],
      settingsFiles: ["settings.json"],
      bundleCapabilities: expect.arrayContaining(["skills", "commands", "settings"]),
    });
  });

  it("loads Cursor bundle manifests into the registry", () => {
    const bundleDir = makeTempDir();
    mkdirSafe(path.join(bundleDir, ".cursor-plugin"));
    mkdirSafe(path.join(bundleDir, "skills"));
    mkdirSafe(path.join(bundleDir, ".cursor", "commands"));
    mkdirSafe(path.join(bundleDir, ".cursor", "rules"));
    fs.writeFileSync(path.join(bundleDir, ".cursor", "hooks.json"), '{"hooks":[]}', "utf-8");
    fs.writeFileSync(
      path.join(bundleDir, ".cursor-plugin", "plugin.json"),
      JSON.stringify({
        name: "Cursor Sample",
        mcpServers: "./.mcp.json",
      }),
      "utf-8",
    );
    fs.writeFileSync(path.join(bundleDir, ".mcp.json"), '{"servers":{}}', "utf-8");

    const registry = loadRegistry([
      createPluginCandidate({
        idHint: "cursor-sample",
        rootDir: bundleDir,
        origin: "global",
        format: "bundle",
        bundleFormat: "cursor",
      }),
    ]);

    expect(registry.plugins).toHaveLength(1);
    expect(registry.plugins[0]).toMatchObject({
      id: "cursor-sample",
      format: "bundle",
      bundleFormat: "cursor",
      skills: ["skills", ".cursor/commands"],
      bundleCapabilities: expect.arrayContaining([
        "skills",
        "commands",
        "rules",
        "hooks",
        "mcpServers",
      ]),
    });
  });

  it("prefers higher-precedence origins for the same physical directory (config > workspace > global > bundled)", () => {
    const dir = makeTempDir();
    mkdirSafe(path.join(dir, "sub"));
    const manifest = { id: "precedence-plugin", configSchema: { type: "object" } };
    writeManifest(dir, manifest);

    // Use a different-but-equivalent path representation without requiring symlinks.
    const altDir = path.join(dir, "sub", "..");

    const candidates: PluginCandidate[] = [
      createPluginCandidate({
        idHint: "precedence-plugin",
        rootDir: dir,
        origin: "bundled",
      }),
      createPluginCandidate({
        idHint: "precedence-plugin",
        rootDir: altDir,
        origin: "config",
      }),
    ];

    const registry = loadRegistry(candidates);
    expect(countDuplicateWarnings(registry)).toBe(0);
    expect(registry.plugins.length).toBe(1);
    expect(registry.plugins[0]?.origin).toBe("config");
  });

  it("rejects manifest paths that escape plugin root via symlink", () => {
    expectUnsafeWorkspaceManifestRejected({ id: "unsafe-symlink", mode: "symlink" });
  });

  it("rejects manifest paths that escape plugin root via hardlink", () => {
    if (process.platform === "win32") {
      return;
    }
    expectUnsafeWorkspaceManifestRejected({ id: "unsafe-hardlink", mode: "hardlink" });
  });

  it("allows bundled manifest paths that are hardlinked aliases", () => {
    if (process.platform === "win32") {
      return;
    }
    const fixture = prepareLinkedManifestFixture({ id: "bundled-hardlink", mode: "hardlink" });
    if (!fixture.linked) {
      return;
    }

    const registry = loadSingleCandidateRegistry({
      idHint: "bundled-hardlink",
      rootDir: fixture.rootDir,
      origin: "bundled",
    });
    expect(registry.plugins.some((entry) => entry.id === "bundled-hardlink")).toBe(true);
    expect(hasUnsafeManifestDiagnostic(registry)).toBe(false);
  });

  it("does not reuse cached bundled plugin roots across env changes", () => {
    const bundledA = makeTempDir();
    const bundledB = makeTempDir();
    const matrixA = path.join(bundledA, "matrix");
    const matrixB = path.join(bundledB, "matrix");
    mkdirSafe(matrixA);
    mkdirSafe(matrixB);
    writeManifest(matrixA, {
      id: "matrix",
      name: "Matrix A",
      configSchema: { type: "object" },
    });
    writeManifest(matrixB, {
      id: "matrix",
      name: "Matrix B",
      configSchema: { type: "object" },
    });
    fs.writeFileSync(path.join(matrixA, "index.ts"), "export default {}", "utf-8");
    fs.writeFileSync(path.join(matrixB, "index.ts"), "export default {}", "utf-8");

    const first = loadPluginManifestRegistry({
      cache: true,
      env: {
        ...process.env,
        OPENCLAW_BUNDLED_PLUGINS_DIR: bundledA,
      },
    });
    const second = loadPluginManifestRegistry({
      cache: true,
      env: {
        ...process.env,
        OPENCLAW_BUNDLED_PLUGINS_DIR: bundledB,
      },
    });

    expect(
      fs.realpathSync(first.plugins.find((plugin) => plugin.id === "matrix")?.rootDir ?? ""),
    ).toBe(fs.realpathSync(matrixA));
    expect(
      fs.realpathSync(second.plugins.find((plugin) => plugin.id === "matrix")?.rootDir ?? ""),
    ).toBe(fs.realpathSync(matrixB));
  });

  it("does not reuse cached load-path manifests across env home changes", () => {
    const homeA = makeTempDir();
    const homeB = makeTempDir();
    const demoA = path.join(homeA, "plugins", "demo");
    const demoB = path.join(homeB, "plugins", "demo");
    mkdirSafe(demoA);
    mkdirSafe(demoB);
    writeManifest(demoA, {
      id: "demo",
      name: "Demo A",
      configSchema: { type: "object" },
    });
    writeManifest(demoB, {
      id: "demo",
      name: "Demo B",
      configSchema: { type: "object" },
    });
    fs.writeFileSync(path.join(demoA, "index.ts"), "export default {}", "utf-8");
    fs.writeFileSync(path.join(demoB, "index.ts"), "export default {}", "utf-8");

    const config = {
      plugins: {
        load: {
          paths: ["~/plugins/demo"],
        },
      },
    };

    const first = loadPluginManifestRegistry({
      cache: true,
      config,
      env: {
        ...process.env,
        HOME: homeA,
        OPENCLAW_HOME: undefined,
        OPENCLAW_STATE_DIR: path.join(homeA, ".state"),
      },
    });
    const second = loadPluginManifestRegistry({
      cache: true,
      config,
      env: {
        ...process.env,
        HOME: homeB,
        OPENCLAW_HOME: undefined,
        OPENCLAW_STATE_DIR: path.join(homeB, ".state"),
      },
    });

    expect(
      fs.realpathSync(first.plugins.find((plugin) => plugin.id === "demo")?.rootDir ?? ""),
    ).toBe(fs.realpathSync(demoA));
    expect(
      fs.realpathSync(second.plugins.find((plugin) => plugin.id === "demo")?.rootDir ?? ""),
    ).toBe(fs.realpathSync(demoB));
  });

  it("does not reuse cached manifests across host version changes", () => {
    const dir = makeTempDir();
    writeManifest(dir, { id: "synology-chat", configSchema: { type: "object" } });
    fs.writeFileSync(path.join(dir, "index.ts"), "export default {}", "utf-8");
    const candidates = [
      createPluginCandidate({
        idHint: "synology-chat",
        rootDir: dir,
        packageDir: dir,
        origin: "global",
        packageManifest: {
          install: {
            npmSpec: "@openclaw/synology-chat",
            minHostVersion: ">=2026.3.22",
          },
        },
      }),
    ];

    const olderHost = loadPluginManifestRegistry({
      cache: true,
      candidates,
      env: {
        ...process.env,
        OPENCLAW_VERSION: "2026.3.21",
      },
    });
    const newerHost = loadPluginManifestRegistry({
      cache: true,
      candidates,
      env: {
        ...process.env,
        OPENCLAW_VERSION: "2026.3.22",
      },
    });

    expect(olderHost.plugins).toEqual([]);
    expect(
      olderHost.diagnostics.some((diag) => diag.message.includes("this host is 2026.3.21")),
    ).toBe(true);
    expect(newerHost.plugins.some((plugin) => plugin.id === "synology-chat")).toBe(true);
    expect(
      newerHost.diagnostics.some((diag) => diag.message.includes("this host is 2026.3.21")),
    ).toBe(false);
  });
});