// Smoke-tests the built plugin loader singleton and bundled plugin runtime overlay.
import assert from "node:assert/strict";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import { pathToFileURL } from "node:url";
import { withDistArtifactOwnership } from "./lib/dist-artifact-ownership.mts";
import { resolveRepoRoot } from "./lib/repo-root.mjs";
import { installProcessWarningFilter } from "./process-warning-filter.mts";
import { prepareBundledPluginRuntime } from "./stage-bundled-plugin-runtime.mts";

installProcessWarningFilter();

const repoRoot = resolveRepoRoot(import.meta.url);
async function runBuiltPluginSingletonSmoke(signal: AbortSignal) {
  signal.throwIfAborted();
  const smokeEntryPath = path.join(repoRoot, "dist", "plugins", "build-smoke-entry.js");
  assert.ok(fs.existsSync(smokeEntryPath), `missing build output: ${smokeEntryPath}`);

  const {
    buildPluginRuntimeLoadOptions,
    clearPluginCommands,
    getPluginCommandSpecs,
    getPluginModuleLoaderStats,
    loadOpenClawPlugins,
    matchPluginCommand,
    resolvePluginRuntimeLoadContext,
    setPluginRuntimeLoadContext,
    withPluginRuntimeGenerationScope,
  } = await import(pathToFileURL(smokeEntryPath).href);
  signal.throwIfAborted();

  assert.equal(typeof loadOpenClawPlugins, "function", "built loader export missing");
  assert.equal(typeof clearPluginCommands, "function", "clearPluginCommands missing");
  assert.equal(typeof getPluginCommandSpecs, "function", "getPluginCommandSpecs missing");
  assert.equal(typeof getPluginModuleLoaderStats, "function", "plugin loader stats missing");
  assert.equal(typeof matchPluginCommand, "function", "matchPluginCommand missing");

  const tempRoot = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-build-smoke-"));
  const pluginId = "build-smoke-plugin";
  const distPluginDir = path.join(repoRoot, "dist", "extensions", pluginId);
  const runtimePluginDir = path.join(repoRoot, "dist-runtime", "extensions", pluginId);

  function cleanup() {
    clearPluginCommands();
    fs.rmSync(distPluginDir, { recursive: true, force: true });
    fs.rmSync(runtimePluginDir, { recursive: true, force: true });
    fs.rmSync(tempRoot, { recursive: true, force: true });
  }

  process.on("exit", cleanup);

  try {
    fs.mkdirSync(distPluginDir, { recursive: true });
    fs.writeFileSync(
      path.join(distPluginDir, "package.json"),
      JSON.stringify(
        {
          name: "@openclaw/build-smoke-plugin",
          type: "module",
          openclaw: {
            extensions: ["./index.js"],
          },
        },
        null,
        2,
      ),
      "utf8",
    );
    fs.writeFileSync(
      path.join(distPluginDir, "openclaw.plugin.json"),
      JSON.stringify(
        {
          id: pluginId,
          configSchema: {
            type: "object",
            additionalProperties: false,
            properties: {},
          },
        },
        null,
        2,
      ),
      "utf8",
    );
    fs.writeFileSync(
      path.join(distPluginDir, "index.js"),
      [
        "import { emptyPluginConfigSchema } from 'openclaw/plugin-sdk/plugin-entry';",
        "",
        "export default {",
        `  id: ${JSON.stringify(pluginId)},`,
        "  configSchema: emptyPluginConfigSchema(),",
        "  register(api) {",
        "    api.registerCommand({",
        "      name: 'pair',",
        "      description: 'Pair a device',",
        "      acceptsArgs: true,",
        "      nativeNames: { telegram: 'pair', discord: 'pair' },",
        "      async handler({ args }) {",
        "        return { text: `paired:${args ?? ''}` };",
        "      },",
        "    });",
        "  },",
        "};",
        "",
      ].join("\n"),
      "utf8",
    );

    const runtime = prepareBundledPluginRuntime({ repoRoot });
    try {
      await runtime.publish(() => signal.throwIfAborted());
    } catch (error) {
      try {
        await runtime.cleanup();
      } catch (cleanupError) {
        throw new AggregateError([error, cleanupError], "Smoke runtime setup and cleanup failed.", {
          cause: cleanupError,
        });
      }
      throw error;
    }
    await runtime.cleanup();
    signal.throwIfAborted();

    const runtimeEntryPath = path.join(runtimePluginDir, "index.js");
    assert.ok(fs.existsSync(runtimeEntryPath), "runtime overlay entry missing");
    const smsRuntimeEntryPath = path.join(
      repoRoot,
      "dist-runtime",
      "extensions",
      "sms",
      "index.js",
    );
    assert.ok(fs.existsSync(smsRuntimeEntryPath), "compiled SMS runtime entry missing");
    assert.ok(
      fs.existsSync(
        path.join(repoRoot, "dist-runtime", "extensions", "mxc", "mxc-spawn-launcher.mjs"),
      ),
      "compiled MXC runtime asset missing",
    );
    assert.equal(
      fs.existsSync(path.join(repoRoot, "dist-runtime", "plugins", "commands.js")),
      false,
      "dist-runtime must not stage a duplicate commands module",
    );

    clearPluginCommands();

    const smsStatsBefore = getPluginModuleLoaderStats();
    // Prepared runtimes carry this context into late, plugin-scoped loads. Prove that the load-options
    // projection retains the built-artifact choice instead of reopening source transformation.
    const smsRegistry = loadOpenClawPlugins(
      buildPluginRuntimeLoadOptions(
        resolvePluginRuntimeLoadContext({
          config: {
            plugins: {
              enabled: true,
              allow: ["sms"],
              entries: { sms: { enabled: true } },
            },
          },
          env: {
            ...process.env,
            OPENCLAW_BUNDLED_PLUGINS_DIR: path.join(repoRoot, "extensions"),
          },
          workspaceDir: tempRoot,
        }),
        { cache: false, onlyPluginIds: ["sms"] },
      ),
    );
    const smsRecord = smsRegistry.plugins.find((entry: { id: string }) => entry.id === "sms");
    assert.ok(smsRecord, "SMS plugin missing from registry");
    assert.equal(smsRecord.status, "loaded", smsRecord.error ?? "SMS plugin failed to load");
    const smsStatsAfter = getPluginModuleLoaderStats();
    assert.ok(
      smsStatsAfter.nativeHits > smsStatsBefore.nativeHits,
      "compiled SMS runtime did not use native loading",
    );
    for (const counter of [
      "nativeMisses",
      "sourceTransformForced",
      "sourceTransformFallbacks",
    ] as const) {
      assert.equal(
        smsStatsAfter[counter],
        smsStatsBefore[counter],
        `compiled SMS runtime changed ${counter}`,
      );
    }
    assert.equal(
      smsStatsAfter.topSourceTransformTargets.some(({ target }: { target: string }) =>
        target.replaceAll("\\", "/").includes("/extensions/sms/"),
      ),
      false,
      "compiled SMS runtime reached the source transformer",
    );

    // Exercise the real built load owner with omitted preferences, as provider and
    // tool callers do. Source-owned metadata must not force source execution.
    const { resolvePluginDiscoveryProvidersRuntime } = await import(
      pathToFileURL(path.join(repoRoot, "dist", "plugins", "provider-discovery.runtime.js")).href
    );
    signal.throwIfAborted();
    const { createPluginMetadataSnapshotFixture } =
      await import("../src/plugins/plugin-metadata.test-support.js");
    signal.throwIfAborted();
    const artifactPluginId = "build-artifact-selection";
    const artifactSourceRoot = path.join(tempRoot, "extensions", artifactPluginId);
    const artifactBuiltRoot = path.join(tempRoot, "dist", "extensions", artifactPluginId);
    fs.mkdirSync(artifactSourceRoot, { recursive: true });
    fs.mkdirSync(artifactBuiltRoot, { recursive: true });
    fs.mkdirSync(path.join(artifactSourceRoot, "dist"));
    const artifactEntry = (label: string) => `export default {
  id: ${JSON.stringify(artifactPluginId)},
  register(api) {
    api.registerProvider({ id: ${JSON.stringify(artifactPluginId)}, label: ${JSON.stringify(label)}, auth: [] });
    api.registerTool({ name: "artifact_probe", label: "Artifact", description: ${JSON.stringify(label)},
      parameters: { type: "object", properties: {} },
      async execute() { return { content: [{ type: "text", text: ${JSON.stringify(label)} }] }; }
    });
  }
};\n`;
    const artifactSource = path.join(artifactSourceRoot, "index.ts");
    fs.writeFileSync(artifactSource, artifactEntry("source"));
    fs.writeFileSync(path.join(artifactBuiltRoot, "index.js"), artifactEntry("compiled"));
    fs.writeFileSync(
      path.join(artifactSourceRoot, "dist", "index.js"),
      artifactEntry("package-local"),
    );
    fs.writeFileSync(
      path.join(artifactSourceRoot, "package.json"),
      JSON.stringify({ type: "module" }),
    );
    for (const [rootDir, extension, label] of [
      [artifactSourceRoot, ".ts", "source"],
      [artifactBuiltRoot, ".js", "compiled"],
    ] as const) {
      fs.writeFileSync(
        path.join(rootDir, `provider-discovery${extension}`),
        `export default {
    id: ${JSON.stringify(artifactPluginId)}, label: ${JSON.stringify(label)}, auth: [],
    catalog: { run: async () => ({ providers: {} }) }
  };\n`,
      );
    }
    fs.writeFileSync(
      path.join(artifactBuiltRoot, "package.json"),
      JSON.stringify({
        type: "module",
        openclaw: { extensions: ["./index.js"] },
      }),
    );
    const artifactConfig = {
      plugins: { allow: [artifactPluginId], entries: { [artifactPluginId]: { enabled: true } } },
    };
    const artifactManifest = {
      id: artifactPluginId,
      rootDir: artifactSourceRoot,
      source: artifactSource,
      origin: "bundled" as const,
      channels: [],
      providers: [artifactPluginId],
      cliBackends: [],
      skills: [],
      hooks: [],
      contracts: { tools: ["artifact_probe"] },
      manifestPath: path.join(artifactSourceRoot, "openclaw.plugin.json"),
      providerDiscoverySource: path.join(artifactSourceRoot, "provider-discovery.ts"),
      configSchema: { type: "object", properties: {}, additionalProperties: false },
      packageManifest: { extensions: ["./index.ts"], build: { bundledDist: false } },
    };
    const artifactManifestRegistry = {
      plugins: [artifactManifest],
      diagnostics: [],
    };
    const artifactMetadataSnapshot = createPluginMetadataSnapshotFixture(artifactManifestRegistry);
    for (const toolDiscovery of [false, true]) {
      for (const preferBuiltPluginArtifacts of [undefined, false]) {
        const values = {
          config: artifactConfig,
          env: { ...process.env, OPENCLAW_STATE_DIR: path.join(tempRoot, "artifact-state") },
          manifestRegistry: artifactManifestRegistry,
          installRecords: {},
          preferBuiltPluginArtifacts,
          workspaceDir: tempRoot,
        };
        const options = toolDiscovery
          ? buildPluginRuntimeLoadOptions(resolvePluginRuntimeLoadContext(values))
          : values;
        const selected = loadOpenClawPlugins({
          ...options,
          cache: false,
          activate: false,
          toolDiscovery,
          onlyPluginIds: [artifactPluginId],
        });
        const label = preferBuiltPluginArtifacts === false ? "source" : "compiled";
        assert.equal(selected.plugins[0]?.status, "loaded", selected.plugins[0]?.error);
        assert.equal(selected.providers[0]?.provider.label, label);
        const tool = selected.tools[0]?.factory({ config: artifactConfig });
        assert.equal(tool?.description, label);
        if (!toolDiscovery) {
          setPluginRuntimeLoadContext(selected, resolvePluginRuntimeLoadContext(values));
          const providers = withPluginRuntimeGenerationScope(
            { metadataSnapshot: artifactMetadataSnapshot, pluginRegistry: selected },
            () =>
              resolvePluginDiscoveryProvidersRuntime({
                config: artifactConfig,
                pluginMetadataSnapshot: artifactMetadataSnapshot,
                onlyPluginIds: [artifactPluginId],
                discoveryEntriesOnly: true,
              }),
          );
          assert.equal(
            providers[0]?.label,
            label,
            "provider discovery chose a different artifact policy",
          );
        }
      }
    }

    // Implicit built-host policy leaves installed source alone; explicit true can
    // use its package-local output. Neither cache call order may contaminate the other.
    for (const [orderIndex, preferences] of [
      [undefined, true],
      [true, undefined],
    ].entries()) {
      const options = {
        config: artifactConfig,
        env: { ...process.env, OPENCLAW_STATE_DIR: path.join(tempRoot, "artifact-state") },
        workspaceDir: path.join(tempRoot, `cache-order-${orderIndex}`),
        manifestRegistry: {
          ...artifactManifestRegistry,
          plugins: [{ ...artifactManifest, origin: "global" }],
        },
        installRecords: {},
        onlyPluginIds: [artifactPluginId],
        cache: true,
        activate: false,
      };
      const registries = preferences.map((preferBuiltPluginArtifacts) => {
        const selected = loadOpenClawPlugins({ ...options, preferBuiltPluginArtifacts });
        const label = preferBuiltPluginArtifacts ? "package-local" : "source";
        assert.equal(selected.plugins[0]?.status, "loaded", selected.plugins[0]?.error);
        assert.equal(
          selected.providers[0]?.provider.label,
          label,
          `cache call order ${orderIndex}`,
        );
        assert.equal(selected.tools[0]?.factory({ config: artifactConfig })?.description, label);
        return selected;
      });
      for (const [index, preferBuiltPluginArtifacts] of preferences.entries()) {
        assert.equal(
          loadOpenClawPlugins({ ...options, preferBuiltPluginArtifacts }),
          registries[index],
          "repeated selection did not reuse its own cached registry",
        );
      }
    }

    clearPluginCommands();

    const registry = loadOpenClawPlugins({
      cache: false,
      workspaceDir: tempRoot,
      env: {
        ...process.env,
        OPENCLAW_BUNDLED_PLUGINS_DIR: path.join(repoRoot, "dist-runtime", "extensions"),
      },
      config: {
        plugins: {
          enabled: true,
          allow: [pluginId],
          entries: {
            [pluginId]: { enabled: true },
          },
        },
      },
    });

    const record = registry.plugins.find((entry: { id: string }) => entry.id === pluginId);
    assert.ok(record, "smoke plugin missing from registry");
    assert.equal(record.status, "loaded", record.error ?? "smoke plugin failed to load");

    assert.deepEqual(
      getPluginCommandSpecs().filter((command: { name: string }) => command.name === "pair"),
      [{ name: "pair", description: "Pair a device", acceptsArgs: true }],
    );

    const match = matchPluginCommand("/pair now");
    assert.ok(match, "canonical built command registry did not receive the command");
    assert.equal(match.args, "now");
    const result = await match.command.handler({ args: match.args });
    signal.throwIfAborted();
    assert.deepEqual(result, { text: "paired:now" });

    // Keep these imports after the cold native checks so they cannot prewarm the loader.
    const { buildBundleMcpToolsFromCatalog } = await import(
      pathToFileURL(path.join(repoRoot, "dist", "agents", "agent-bundle-mcp-materialize.js")).href
    );
    signal.throwIfAborted();
    const { getPluginToolMeta } = await import(
      pathToFileURL(path.join(repoRoot, "dist", "plugins", "tool-metadata.js")).href
    );
    signal.throwIfAborted();
    const { getPluginToolMeta: getSdkPluginToolMeta } = await import(
      pathToFileURL(path.join(repoRoot, "dist", "plugin-sdk", "agent-harness-runtime.js")).href
    );
    signal.throwIfAborted();
    const [mcpTool] = buildBundleMcpToolsFromCatalog({
      catalog: {
        version: 1,
        generatedAt: 0,
        servers: {
          "build-smoke-mcp": {
            serverName: "build-smoke-mcp",
            safeServerName: "build-smoke-mcp",
            launchSummary: "build smoke inventory fixture",
            toolCount: 1,
          },
        },
        tools: [
          {
            serverName: "build-smoke-mcp",
            safeServerName: "build-smoke-mcp",
            toolName: "lookup",
            inputSchema: { type: "object", properties: {} },
            fallbackDescription: "Look up a build smoke inventory item",
          },
        ],
      },
    });
    assert.ok(mcpTool, "compiled MCP materializer did not produce a tool");
    const mcpMetadata = getPluginToolMeta(mcpTool);
    assert.ok(mcpMetadata, "canonical built metadata owner did not receive MCP tool metadata");
    assert.equal(mcpMetadata.pluginId, "bundle-mcp");
    assert.equal(mcpMetadata.mcp?.serverName, "build-smoke-mcp");
    assert.equal(mcpMetadata.mcp?.safeServerName, "build-smoke-mcp");
    assert.equal(mcpMetadata.mcp?.toolName, "lookup");
    assert.equal(mcpMetadata.mcp?.operation, "tool");
    assert.strictEqual(
      getSdkPluginToolMeta(mcpTool),
      mcpMetadata,
      "public agent-harness-runtime SDK did not read the canonical MCP metadata record",
    );
  } finally {
    process.off("exit", cleanup);
    cleanup();
  }
  signal.throwIfAborted();
  const remaining = prepareBundledPluginRuntime({ repoRoot });
  const changed = remaining.changed;
  await remaining.cleanup();
  assert.equal(changed, false, "singleton smoke left noncanonical runtime artifacts");
  process.stdout.write("[build-smoke] built plugin singleton smoke passed\n");
}

const controller = new AbortController();
let exitCode = 0;
const cancel = (code: number) => {
  if (!controller.signal.aborted) {
    exitCode = code;
    controller.abort(new Error("Built plugin singleton smoke canceled."));
  }
};
const onSigint = () => cancel(130);
const onSigterm = () => cancel(143);
try {
  await withDistArtifactOwnership(repoRoot, async () => {
    process.on("SIGINT", onSigint);
    process.on("SIGTERM", onSigterm);
    // Imports cannot be interrupted; keep ownership until each pending read joins.
    await runBuiltPluginSingletonSmoke(controller.signal);
  });
  controller.signal.throwIfAborted();
} catch (error) {
  if (!controller.signal.aborted || error !== controller.signal.reason) {
    throw error;
  }
  process.exitCode = exitCode;
} finally {
  process.off("SIGINT", onSigint);
  process.off("SIGTERM", onSigterm);
}