#!/usr/bin/env bash
set -euo pipefail

APP_HOME="${COINHUNTER_APP_HOME:-$HOME/.local/share/coinhunter-cli}"
VENV_DIR="$APP_HOME/venv"
BIN_DIR="${COINHUNTER_BIN_DIR:-$HOME/.local/bin}"
LAUNCHER="$BIN_DIR/coinhunter"
PYTHON_BIN="${PYTHON:-}"

if [[ -z "$PYTHON_BIN" ]]; then
  if command -v python3 >/dev/null 2>&1; then
    PYTHON_BIN="$(command -v python3)"
  elif command -v python >/dev/null 2>&1; then
    PYTHON_BIN="$(command -v python)"
  else
    echo "error: python3/python not found in PATH" >&2
    exit 1
  fi
fi

mkdir -p "$APP_HOME" "$BIN_DIR"

"$PYTHON_BIN" -m venv "$VENV_DIR"
"$VENV_DIR/bin/python" -m pip install --upgrade pip setuptools wheel
"$VENV_DIR/bin/python" -m pip install --upgrade "$(pwd)"

cat >"$LAUNCHER" <<EOF
#!/usr/bin/env bash
exec "$VENV_DIR/bin/coinhunter" "\$@"
EOF
chmod +x "$LAUNCHER"

echo "Installed coinhunter into:"
echo "  venv: $VENV_DIR"
echo "  launcher: $LAUNCHER"