#!/bin/bash

currUser="$USER"

if [ ! -d "${HOME}/.config/systemd/user" ]; then
    mkdir -p "${HOME}/.config/systemd/user"
fi

if [ ! -f /usr/bin/zenity ]; then
    if [ -f /usr/bin/apt ]; then
	sudo apt install zenity
    fi
    if [ -f /usr/bin/pacman ]; then
	sudo pacman -S zenity
    fi
fi

HANDLE=$(zenity --entry --width=400 --title "Epicyon Desktop Notifications" --text "Fediverse handle (name@domain): ")
if [ ! "$HANDLE" ]; then
    zenity --warning --width=400 --text "No fediverse handle was given"
    exit 1
fi
if [[ "$HANDLE" != *'@'* ]]; then
    zenity --warning --width=400 --text "Fediverse handle must be in the form username@domain"
    exit 2
fi
PASSWORD=$(zenity --width=400 --password --title "Epicyon Desktop Notifications")
if [ ! "$PASSWORD" ]; then
    zenity --warning --width=400 --text "No password was given"
    exit 3
fi

if [ ! -f /usr/bin/git ]; then
    if [ -f /usr/bin/apt ]; then
	sudo apt install git
    fi
    if [ -f /usr/bin/pacman ]; then
	sudo pacman -S git
    fi
fi

if [ ! -f /usr/bin/python3 ]; then
    if [ -f /usr/bin/apt ]; then
	sudo apt install python3
    fi
    if [ -f /usr/bin/pacman ]; then
	sudo pacman -S python
    fi
fi

if [ ! -d ${HOME}/.epicyon ]; then
    git clone https://gitlab.com/bashrc2/epicyon ${HOME}/.epicyon
else
    cd ${HOME}/.epicyon || exit 1
    git pull
fi
if [ ! -d ${HOME}/.epicyon ]; then
    zenity --warning --width=400 --text "Unable to clone Epicyon repo"
    exit 4
fi
chown -R "${currUser}":"${currUser}" ${HOME}/.epicyon

notificationType=
if [ -f /usr/bin/notify-send ]; then
    notificationType='notify-send'
else
    if [ -f /usr/bin/zenity ]; then
	notificationType='zenity'
    fi
fi
if [[ ! "$notificationType" ]]; then
    zenity --warning --width=400 --text "No desktop notification command was found."
    exit 5
fi

{ echo '[Unit]';
  echo 'Description=Epicyon Desktop Notifications';
  echo '';
  echo '[Service]';
  echo "WorkingDirectory=${HOME}/.epicyon";
  echo "ExecStart=/usr/bin/python3 epicyon.py --noKeyPress --notifyType $notificationType --notify $HANDLE --password \"$PASSWORD\"";
  echo 'Type=oneshot';
  echo 'RemainAfterExit=yes';
  echo '';
  echo '[Install]';
  echo 'WantedBy=default.target'; } > "${HOME}/.config/systemd/user/epicyon-notifications.service"
systemctl --user enable epicyon-notifications.service
systemctl --user daemon-reload
systemctl --user restart epicyon-notifications.service &

zenity --info --width=400 --text "Epicyon notifications are now enabled"