#!/bin/sh
# Installs packagetrackdev, the PackageTrack CLI, and packagetrackdev-mcp,
# the PackageTrack server for coding agents. https://packagetrack.dev
# Needs no root access. Everything lands in your own home directory.
set -eu

CLI_WHEEL="packagetrackdev-0.2.2-py3-none-any.whl"
CLI_WHEEL_URL="https://packagetrack.dev/cli/packagetrackdev-0.2.2-py3-none-any.whl"
MCP_WHEEL="packagetrackdev_mcp-0.1.1-py3-none-any.whl"
MCP_WHEEL_URL="https://packagetrack.dev/cli/packagetrackdev_mcp-0.1.1-py3-none-any.whl"

case "$(uname -s 2>/dev/null || echo unknown)" in
  Linux|Darwin)
    ;;
  MINGW*|MSYS*|CYGWIN*)
    echo "This installer is for Linux and macOS."
    echo "On Windows, use WSL, or install directly with uv:"
    echo "  uv tool install 'packagetrackdev @ $CLI_WHEEL_URL'"
    echo "  uv tool install 'packagetrackdev-mcp @ $MCP_WHEEL_URL'"
    exit 1
    ;;
  *)
    echo "Unsupported platform: $(uname -s)."
    echo "If you have uv, you can install directly:"
    echo "  uv tool install 'packagetrackdev @ $CLI_WHEEL_URL'"
    echo "  uv tool install 'packagetrackdev-mcp @ $MCP_WHEEL_URL'"
    exit 1
    ;;
esac

if ! command -v uv >/dev/null 2>&1; then
  echo "packagetrackdev is installed with uv, which is not on this machine yet."
  echo "Installing uv from astral.sh (their official installer, no root)."
  curl -fsSL https://astral.sh/uv/install.sh | sh
  # uv lands in ~/.local/bin; make it visible to the rest of this script.
  PATH="$HOME/.local/bin:$PATH"
  export PATH
fi

TMP_DIR="$(mktemp -d)"
trap 'rm -rf "$TMP_DIR"' EXIT

# Download one wheel, check it against the checksum published next to it,
# and install it as a uv tool. A mismatch installs nothing.
install_wheel() {
  name="$1"
  wheel="$2"
  url="$3"
  echo "Downloading $url"
  curl -fsSL -o "$TMP_DIR/$wheel" "$url"
  expected="$(curl -fsSL "$url.sha256")"
  if command -v sha256sum >/dev/null 2>&1; then
    actual="$(sha256sum "$TMP_DIR/$wheel" | cut -d' ' -f1)"
  elif command -v shasum >/dev/null 2>&1; then
    actual="$(shasum -a 256 "$TMP_DIR/$wheel" | cut -d' ' -f1)"
  else
    echo "No sha256 tool found; skipping checksum verification."
    actual="$expected"
  fi
  if [ "$actual" != "$expected" ]; then
    echo "Checksum mismatch for $wheel. Not installing."
    echo "  expected: $expected"
    echo "  got:      $actual"
    exit 1
  fi
  echo "Installing $name"
  uv tool install --force "$name @ file://$TMP_DIR/$wheel"
}

install_wheel packagetrackdev "$CLI_WHEEL" "$CLI_WHEEL_URL"
install_wheel packagetrackdev-mcp "$MCP_WHEEL" "$MCP_WHEEL_URL"

ok=1
for cmd in packagetrackdev packagetrackdev-mcp; do
  command -v "$cmd" >/dev/null 2>&1 && "$cmd" --version >/dev/null 2>&1 || ok=0
done
if [ "$ok" = 1 ]; then
  echo "Installed: $(packagetrackdev --version), $(packagetrackdev-mcp --version)"
  echo "Try: packagetrackdev check"
  echo "For your coding agent: claude mcp add -s user packagetrackdev -- packagetrackdev-mcp"
else
  echo "Installed, but the commands are not on your PATH in this shell."
  echo "Run:"
  echo "  uv tool update-shell"
  echo "then open a new terminal and try: packagetrackdev --version"
fi