#!/usr/bin/env bash

set -e

if [ "$XDG_SESSION_TYPE" != "wayland" ]; then
    printf "\033[1;33mWARNING:\033[0m Windowing system is %s\n" "$XDG_SESSION_TYPE"
    printf "\033[1;33mWARNING:\033[0m Virtual display functionality requires Wayland\n"
fi

USER_HOME=$(realpath ~)

if [ -z "$XDG_BIN_HOME" ]; then
  XDG_BIN_HOME="$USER_HOME/.local/bin"
fi

if [ -d "$XDG_BIN_HOME" ]; then
  # check ownership and permissions before doing chown and chmod
  XDG_BIN_USER=$(stat -c %U $XDG_BIN_HOME)
  XDG_BIN_GROUP=$(stat -c %G $XDG_BIN_HOME)

  USER=$(whoami)
  GROUP=$(id -gn)

  if [ "$XDG_BIN_USER" != "$USER" ] || [ "$XDG_BIN_GROUP" != "$GROUP" ]; then
    echo "Fixing ownership and permissions of $XDG_BIN_HOME"
    sudo chown -R $USER:$GROUP $XDG_BIN_HOME
    sudo chmod -R 700 $XDG_BIN_HOME
  fi
fi

UA_EVENT_NAME="breezy_kwin_install"
if [ -e "$XDG_BIN_HOME/breezy_kwin_uninstall" ]; then
  echo "Cleaning up the previous installation"

  # ` || true` will ensure that this can't cause a failure, even with `set -e`
  $XDG_BIN_HOME/breezy_kwin_uninstall --for-install || true

  UA_EVENT_NAME="breezy_kwin_update"
fi

UA_CLIENT_ID="BreezyKWin"
UA_EVENT_VERSION="$1"
#INJECT_UA_CALL

tar -xf $(pwd)/breezyKWinPlugin.tar.gz
pushd breezy_desktop/usr > /dev/null

echo "Copying KWin plugin files to $USER_HOME/.local/{lib,share}"

# locate the lib path that ends with qt6/plugins (handles multiarch dirs)
QT_PLUGIN_DIR_RELATIVE=$(find lib -type d -path '*/qt6/plugins' -print -quit 2>/dev/null || true)
if [ -z "$QT_PLUGIN_DIR_RELATIVE" ]; then
  QT_PLUGIN_DIR_RELATIVE="lib/qt6/plugins"
fi

# directory structure matches XDG, so just recursive copy
chmod -R 755 .
cp -r . "$USER_HOME/.local/"

popd > /dev/null

cp bin/breezy_kwin_uninstall $XDG_BIN_HOME

# Install QT_PLUGIN_PATH snippet into ~/.bash_profile if not present
BASH_PROFILE="$HOME/.bash_profile"
QT_PLUGIN_DIR="$HOME/.local/$QT_PLUGIN_DIR_RELATIVE"
QT_PLUGIN_EXPORT="export QT_PLUGIN_PATH=\"$QT_PLUGIN_DIR\""
if [[ ! -f "$BASH_PROFILE" ]] || ! grep -Fq "$QT_PLUGIN_EXPORT" "$BASH_PROFILE" 2>/dev/null; then
  echo "Adding QT_PLUGIN_PATH to $BASH_PROFILE"
  mkdir -p "$(dirname "$BASH_PROFILE")"
  cat >> "$BASH_PROFILE" <<EOF

# Added by Breezy Desktop installer: QT plugin path setup
if [ -n "\$QT_PLUGIN_PATH" ]; then
    export QT_PLUGIN_PATH="$QT_PLUGIN_DIR:\$QT_PLUGIN_PATH"
else
    export QT_PLUGIN_PATH="$QT_PLUGIN_DIR"
fi
EOF
fi

# set up the XR driver using the local binary
echo "Installing xrDriver (requires sudo)"
echo "BEGIN - xr_driver_setup"
if [ -z "$1" ]
then
  sudo bin/xr_driver_setup $(pwd)/xrDriver.tar.gz
else
  sudo bin/xr_driver_setup -v $1 $(pwd)/xrDriver.tar.gz
fi

echo "END - xr_driver_setup"

printf "\n\033[1;33m!!! IMPORTANT !!!\033[0m You must log out and back in, then enable Breezy Desktop from the Desktop Effects in System Settings\n\n"