{ lib, stdenvNoCC, fetchurl }:

stdenvNoCC.mkDerivation (finalAttrs: {
  pname = "agentpipe";
  version = "0.7.0";

  src = fetchurl {
    url =
      "https://github.com/kevinelliott/agentpipe/releases/download/v${finalAttrs.version}/agentpipe_linux_amd64.tar.gz";
  sha256 ="sha256-3ofsrInUlcY1UN6LszOZGYJY0SgNB8FTwlyOXx/cznk="; 
  };

  dontConfigure = true;
  dontBuild = true;

unpackPhase = ''
  tar -xzf "$src"
'';

installPhase = ''
  mkdir -p "$out/bin"

  if [ -f ./agentpipe ]; then
    install -m0755 ./agentpipe "$out/bin/agentpipe"
    exit 0
  fi

  if [ -f ./agentpipe_linux_amd64 ]; then
    install -m0755 ./agentpipe_linux_amd64 "$out/bin/agentpipe"
    exit 0
  fi

  # Fallback: try to locate it if the archive layout changes.
  bin="$(find . -maxdepth 5 -type f \
    \( -name agentpipe -o -name 'agentpipe_linux_amd64' -o -name 'agentpipe_*' \) \
    ! -name env-vars \
    -print -quit)"

  if [ -z "$bin" ]; then
    echo "agentpipe binary not found after unpack. Contents:" >&2
    find . -maxdepth 5 -print >&2
    exit 1
  fi

  install -m0755 "$bin" "$out/bin/agentpipe"
'';

  meta = with lib; {
    description = "AgentPipe multi-agent orchestrator CLI/TUI";
    homepage = "https://github.com/kevinelliott/agentpipe";
    license = licenses.mit;
    platforms = [ "x86_64-linux" ];
    mainProgram = "agentpipe";
  };
})