# OpenCode plugin for OpenCodeReview, built from the same source revision as
# the CLI (see package.nix). Ships the plugin TypeScript file plus the runtime
# node_modules resolved from the plugin's package-lock.json, so OpenCode can
# import `@opencode-ai/plugin` (v1.x) and `@opencode/plugin` (v2.x) without a
# network install.
{
  lib,
  stdenv,
  nodejs,
  fetchNpmDeps,
  src,
  version,
}:

let
  pluginDir = "plugins/open-code-review/opencode";

  lockfileCopy = ''
    cp ${pluginDir}/package-lock.json ./package-lock.json
    chmod +w package-lock.json
  '';

  npmDeps = fetchNpmDeps {
    name = "open-code-review-opencode-plugin-npm-deps";
    inherit src;
    postPatch = lockfileCopy;
    hash = "sha256-s5BO+JJJ9qZkKRTDmWyfBFVKB9GEeqObzyJ1lkORQo0=";
  };
in
stdenv.mkDerivation {
  pname = "open-code-review-opencode-plugin";
  inherit version src;

  # The lockfile lives in plugins/open-code-review/opencode/, but fetchNpmDeps
  # and npm ci expect it at the package root.
  postPatch = lockfileCopy;

  # Exposed as an env var; used as the offline npm cache in installPhase.
  inherit npmDeps;

  # No build steps needed: the plugin is a single .ts file that OpenCode's
  # runtime transpiles on the fly; only node_modules is materialized.
  dontBuild = true;
  dontConfigure = true;

  nativeBuildInputs = [ nodejs ];

  # OpenCode resolves plugin imports Node-style: node_modules next to the
  # plugin file, or in any parent directory (resolved via the file's realpath).
  # Install both the plugin file and node_modules so the plugin works whether
  # users symlink the file only, the plugin dir, or point OpenCode at the
  # store path directly.
  installPhase = ''
    runHook preInstall

    pushd ${pluginDir}

    # NOTE: upstream's package.json declares the plugin SDKs as
    # devDependencies, so --omit=dev must NOT be used — it would install
    # nothing. The full lockfile install is required.
    npm ci \
      --ignore-scripts \
      --no-audit \
      --no-fund \
      --no-progress \
      --loglevel=error \
      --offline \
      --cache "$npmDeps"

    pluginOut=$out/share/open-code-review/opencode
    mkdir -p "$pluginOut"
    cp open-code-review.ts "$pluginOut/"
    cp -r node_modules "$pluginOut/"

    popd
    runHook postInstall
  '';

  passthru = {
    # The plugin speaks the CLI's JSON protocol; use it with a matching CLI
    # version (both are built from the same source revision here).
    forCli = "open-code-review";
  };

  meta = with lib; {
    description = "OpenCode plugin exposing OpenCodeReview as native tools and slash commands";
    homepage = "https://github.com/alibaba/open-code-review";
    changelog = "https://github.com/alibaba/open-code-review/releases/tag/v${version}";
    license = licenses.asl20;
    platforms = platforms.all;
  };
}