// Write Plugin Sdk Entry Dts script supports OpenClaw repository automation.
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import { build } from "tsdown";
import {
  buildPluginSdkEntrySources,
  pluginSdkEntrypoints,
  productionPluginSdkEntrypoints,
} from "./lib/plugin-sdk-entries.mjs";

const USE_CANONICAL_DECLARATIONS = process.env.OPENCLAW_PLUGIN_SDK_CANONICAL_DTS === "1";

function isBareImportSpecifier(id: string): boolean {
  if (
    id === "@openclaw/llm-core" ||
    id.startsWith("@openclaw/llm-core/") ||
    id === "@openclaw/model-catalog-core/model-catalog-types" ||
    id === "@openclaw/retry" ||
    id.startsWith("@openclaw/normalization-core/") ||
    id.startsWith("@openclaw/media-core/") ||
    id.startsWith("@openclaw/acp-core/")
  ) {
    return false;
  }
  return !id.startsWith(".") && !id.startsWith("/") && !/^[A-Za-z]:[\\/]/u.test(id);
}

function removeExistingFlatDeclarations(outDir: string): void {
  if (!fs.existsSync(outDir)) {
    return;
  }
  for (const entry of fs.readdirSync(outDir, { withFileTypes: true })) {
    if (!entry.isFile() || !entry.name.endsWith(".d.ts")) {
      continue;
    }
    fs.rmSync(path.join(outDir, entry.name), { force: true });
  }
}

function copyFlatDeclarations(fromDir: string, toDir: string): void {
  fs.mkdirSync(toDir, { recursive: true });
  for (const entry of fs.readdirSync(fromDir, { withFileTypes: true })) {
    if (!entry.isFile() || !entry.name.endsWith(".d.ts")) {
      continue;
    }
    fs.copyFileSync(path.join(fromDir, entry.name), path.join(toDir, entry.name));
  }
}

const distPluginSdkDir = path.join(process.cwd(), "dist/plugin-sdk");
const shouldBuildPrivateQaEntries = process.env.OPENCLAW_BUILD_PRIVATE_QA === "1";
const flatDeclarationEntrypoints = shouldBuildPrivateQaEntries
  ? pluginSdkEntrypoints
  : productionPluginSdkEntrypoints;
const flatDeclarationEntrypointSet = new Set(flatDeclarationEntrypoints);

if (USE_CANONICAL_DECLARATIONS) {
  for (const entry of flatDeclarationEntrypoints) {
    const declarationPath = path.join(distPluginSdkDir, `${entry}.d.ts`);
    if (!fs.existsSync(declarationPath)) {
      throw new Error(
        `Missing canonical plugin SDK declaration: ${path.relative(process.cwd(), declarationPath)}`,
      );
    }
  }
} else {
  const flatDeclarationTempDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-plugin-sdk-dts-"));
  try {
    await build({
      clean: true,
      config: false,
      deps: { neverBundle: (id) => isBareImportSpecifier(id) },
      dts: true,
      entry: buildPluginSdkEntrySources(flatDeclarationEntrypoints),
      failOnWarn: false,
      fixedExtension: false,
      format: "esm",
      logLevel: "error",
      outDir: flatDeclarationTempDir,
      outExtensions: () => ({ js: ".js", dts: ".d.ts" }),
      platform: "node",
      report: false,
      tsconfig: "tsconfig.plugin-sdk.dts.json",
    });

    removeExistingFlatDeclarations(distPluginSdkDir);
    copyFlatDeclarations(flatDeclarationTempDir, distPluginSdkDir);
  } finally {
    fs.rmSync(flatDeclarationTempDir, { recursive: true, force: true });
  }
}

// The root npm package ships flat bundled declarations under `dist/plugin-sdk`.
// The private workspace package keeps source-shaped declaration paths for local
// package-boundary projects, so bridge them back to the packaged flat entries.
for (const entry of pluginSdkEntrypoints) {
  if (!flatDeclarationEntrypointSet.has(entry)) {
    continue;
  }

  const packageTypeOut = path.join(
    process.cwd(),
    `packages/plugin-sdk/dist/src/plugin-sdk/${entry}.d.ts`,
  );
  fs.mkdirSync(path.dirname(packageTypeOut), { recursive: true });
  fs.writeFileSync(
    packageTypeOut,
    `export * from "../../../../../dist/plugin-sdk/${entry}.js";\n`,
    "utf8",
  );
}

const stampPath = path.join(process.cwd(), "dist/plugin-sdk/.boundary-entry-shims.stamp");
fs.mkdirSync(path.dirname(stampPath), { recursive: true });
fs.writeFileSync(stampPath, `${new Date().toISOString()}\n`, "utf8");