#!/bin/sh
# TravelMaxx CLI installer — https://travelmaxx.app/cli/docs
# Installs the "travelmaxx" package from PyPI using whichever Python
# package manager is available (uv > pipx > pip). Never uses sudo.
set -eu

say() { printf '%s\n' "$*"; }
have() { command -v "$1" >/dev/null 2>&1; }

if have uv; then
  say "Installing travelmaxx with uv..."
  uv tool install --upgrade travelmaxx
elif have pipx; then
  say "Installing travelmaxx with pipx..."
  pipx install --force travelmaxx
elif have python3; then
  # PEP 668: system pip refuses to install on modern Debian/Ubuntu/Fedora,
  # so install into a private virtualenv and symlink the entry point.
  VENV_DIR="${XDG_DATA_HOME:-$HOME/.local/share}/travelmaxx/venv"
  say "Installing travelmaxx into $VENV_DIR..."
  if ! python3 -m venv "$VENV_DIR" 2>/dev/null; then
    say "Error: python3 venv module unavailable."
    say "On Debian/Ubuntu run:  sudo apt install python3-venv"
    say "then re-run this installer."
    exit 1
  fi
  "$VENV_DIR/bin/pip" install --quiet --upgrade pip travelmaxx
  mkdir -p "$HOME/.local/bin"
  ln -sf "$VENV_DIR/bin/travelmaxx" "$HOME/.local/bin/travelmaxx"
  case ":$PATH:" in
    *":$HOME/.local/bin:"*) ;;
    *)
      say ""
      say "NOTE: $HOME/.local/bin is not on your PATH."
      say "Add this to your shell profile, then restart your shell:"
      say "  export PATH=\"\$HOME/.local/bin:\$PATH\""
      ;;
  esac
else
  say "Error: no supported installer found (need uv, pipx, or python3+pip)."
  say "Install Python 3.10+ and re-run, or see https://travelmaxx.app/cli/docs"
  exit 1
fi

say ""
if have travelmaxx; then
  say "Installed: $(travelmaxx --version)"
else
  say "Installed. Restart your shell, then run: travelmaxx login"
fi
say "Get started: travelmaxx login"