#!/usr/bin/env bash

set -e

check_command() {
    if ! command -v "$1" &>/dev/null; then
        echo "Please install \"$1\" and make sure it's available in your \$PATH"
        exit 1
    fi
}

check_command "flatpak"
check_command "gnome-extensions"

# This script gets packaged with the release and should do the bulk of the setup work. This allows this setup to be tied
# to a specific release of the code, and guarantees it will never run along-side newer or older binaries.

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

if [ -z "$XDG_DATA_HOME" ]; then
  XDG_DATA_HOME="$USER_HOME/.local/share"
fi
DATA_DIR="$XDG_DATA_HOME/breezy_gnome"

UA_EVENT_NAME="breezy_gnome_install"
if [ -e "$XDG_BIN_HOME/breezy_gnome_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_gnome_uninstall --for-install || true

  UA_EVENT_NAME="breezy_gnome_update"
fi

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

echo "Copying the breezy_gnome scripts to ${XDG_BIN_HOME}"
mkdir -p $XDG_BIN_HOME
cp bin/breezy_gnome_uninstall $XDG_BIN_HOME
cp bin/breezy_gnome_verify $XDG_BIN_HOME

echo "Copying the manifest file to ${DATA_DIR}"
mkdir -p $DATA_DIR
cp manifest $DATA_DIR

echo "Installing the breezydesktop@xronlinux.com GNOME extension"
gnome-extensions install --force breezydesktop@xronlinux.com.shell-extension.zip

echo "Installing the Breezy Desktop UI Flatpak (this may take a couple minutes the first time)"
flatpak install --user --noninteractive --reinstall com.xronlinux.BreezyDesktop.flatpak

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

echo "END - xreal_driver_setup"

echo "Enabling the driver and setting it to Breezy Desktop mode"
$USER_HOME/bin/xreal_driver_config -e
$USER_HOME/bin/xreal_driver_config -vd

sed -i 's/virtual_display/breezy_desktop/g' $USER_HOME/.xreal_driver_config