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

HANDLE=$(zenity --entry --width=400 --title "Epicyon Desktop Client" --text "Fediverse handle (name@domain): ")
if [ ! "$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 Client")
# 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 -y install git
    fi
    if [ -f /usr/bin/pacman ]; then
        sudo pacman -S --noconfirm git
    fi
fi

if [ ! -f /usr/bin/gpg ]; then
    if [ -f /usr/bin/apt ]; then
        sudo apt -y install gnupg
    fi
    if [ -f /usr/bin/pacman ]; then
        sudo pacman -S --noconfirm gnupg
    fi
fi

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

if [ ! -d ${HOME}/.gnupg ]; then
    echo 'Generating GPG key'
    gpg --quick-generate-key "${HANDLE}" ed25519 cert
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 daemon-reload
#systemctl --user stop epicyon-notifications.service &
#systemctl --user disable epicyon-notifications.service

{ echo '#!/bin/bash';
  echo 'cd ~/.epicyon';
  echo "if [ \"\$1\" ]; then";
  echo "    PASSWORD=\"\$1\"";
  echo 'else';
  echo "    PASSWORD=\$(zenity --width=400 --password --title \"Epicyon Desktop Client\")";
  echo "    if [ ! \"\$PASSWORD\" ]; then";
  echo "        zenity --warning --width=400 --text \"No password was given\"";
  echo '        exit 3';
  echo '    fi';  
  echo 'fi';
  echo "python3 epicyon.py --desktop ${HANDLE} --password \"\$PASSWORD\""; } > ~/epicyon-client
chmod +x ~/epicyon-client

zenity --info --width=400 --text "Epicyon desktop client is now installed. You can run it with ~/epicyon-client"