#!/bin/bash
# Original script by https://github.com/GermanBread
# Lightcord unified Linux installer by Germanbread

# Some helper funtions
function Info {
    tput setaf 8
    tput bold
    printf "==> "
    tput setaf 15
    printf "$1\n"
    tput sgr0
}
function SubInfo {
    tput setaf 8
    printf "> "
    printf "$1\n"
    tput sgr0
}
function Warning {
    tput setaf 3
    tput bold
    printf "==> "
    tput setaf 11
    printf "$1\n"
    tput sgr0
}
function Error {
    tput setaf 1
    tput bold
    printf "==> "
    tput setaf 9
    printf "$1\n"
    tput sgr0
}

if [[ $TERM == dumb ]]; then
    exit
fi

if [[ "$(whoami)" == "root" ]]; then
    Error "Don't run this script as root"
    exit
fi

cat << "logo_end"
  _    _      _   _                 _
 | |  (_)__ _| |_| |_ __ ___ _ _ __| |
 | |__| / _` | ' \  _/ _/ _ \ '_/ _` |
 |____|_\__, |_||_\__\__\___/_| \__,_|
        |___/
  Unified Linux Installer and Updater

logo_end

# First, we need to figure out what kind of install the user wants (AppImage or System-wide?)
printf "Please select\n"
printf "1: Install Lightcord for all users\n"
printf "2: Install Lightcord only for you (Appimage install)\n"
printf "\n"

#Repeat only if the user hasn't entered an integer...
while ! [[ $method =~ ^[0-9]+$ ]]; 
do
    read method;
    # If the entered value was not an integer, prompt the user again
    if ! [[ $method =~ ^[0-9]+$ ]]; then
        sleep 1
        printf "$(tput setaf 9)Please try again$(tput sgr0)\n"
        printf "1: Install Lightcord for all users\n"
        printf "2: Install Lightcord only for you (Appimage install)\n"
        printf "\n"
    fi
done

if [[ $method == 1 ]]; then
    Warning "Warning:\n\tBlindly running software as root is a massive security issue.\n\tIf you don't fully trust the software you're running DON'T RUN IT AS ROOT.\n\tIf you know exactly what you are doing, continue.\n\tOtherwise restart this script and choose the second option.\n"

    Info "Please enter your password"
    if [[ "$(sudo -k whoami)" != "root" ]]; then
        Error "Authentication failed"
        exit
    fi
    Info "Authentication complete"
fi

case $method in
    1)
    #Standard installer
    tput setaf 208
    tput sgr0
    printf "Please select\n"
    printf "1: Install Lightcord\n"
    printf "2: Uninstall Lightcord\n"
    printf "3: Update Lightcord\n"
    printf "\n"

    #Repeat only if the user hasn't entered an integer...
    while ! [[ $selection =~ ^[0-9]+$ ]]; 
    do
        read selection;
        # If the entered value was not an integer, prompt the user again
        if ! [[ $selection =~ ^[0-9]+$ ]]; then
            sleep 1;
            printf "$(tput setaf 9)Please try again$(tput sgr0)\n";
            printf "1: Install Lightcord\n";
            printf "2: Uninstall Lightcord\n";
            printf "3: Update Lightcord\n"
            printf "\n";
        fi
    done

    case $selection in
        1) # Install LC
        Info "Installing Lightcord"
        SubInfo "Preparing"
        rm -rf Lightcord.*;
        rm -rf Lightcord;
        rm -rf lightcord-linux-x64.*;
        SubInfo "Downloading Lightcord"
        wget https://lightcord.org/api/v1/gh/releases/Lightcord/Lightcord/dev/lightcord-linux-x64.zip; 
        unzip lightcord-linux-x64.zip -d Lightcord; 
        rm lightcord-linux-x64.zip; 
        prev_pwd = pwd;
        cd Lightcord; 
        chmod +x ./lightcord; 
        cd ..; 
        sudo mv Lightcord/ /opt/; 
        rm Lightcord/; 
        SubInfo "Downloading Lightcord icon"
        wget https://raw.githubusercontent.com/Lightcord/LightcordLogos/master/lightcord/lightcord.svg; 
        sudo mv lightcord.svg /usr/share/pixmaps; 
        sudo rm -rf /usr/share/applications/Lightcord.desktop
        SubInfo "Creating Desktop entry"
        echo -e "[Desktop Entry]\nName=Lightcord\nComment[fr_FR]=Un client Discord simple et personalisable\nComment=A simple - customizable - Discord Client\nExec=/opt/Lightcord/lightcord\nIcon=lightcord\nTerminal=false\nType=Application\nCategories=Network;InstantMessaging;P2P;" >> /usr/share/applications/Lightcord.desktop
        sudo chmod +x /usr/share/applications/Lightcord.desktop;
        SubInfo "Cleaning up"
        rm -rf Lightcord.*;
        rm -rf Lightcord;
        rm -rf lightcord-linux-x64.*;
        ;;

        2) # Uninstall LC
        Info "Uninstalling Lightcord"
        SubInfo "Deleting Lightcord folder"
        sudo rm -r /opt/Lightcord;
        SubInfo "Deleting Lightcord Icon"
        sudo rm /usr/share/pixmaps/lightcord.svg;
        SubInfo "Deleting Desktop entry"
        sudo rm /usr/share/applications/Lightcord.desktop;
        sudo rm -f /home/*/.local/share/applications/Lightcord.desktop;
        ;;

        3) # Update LC
        Info 'Updating Lightcord'
        SubInfo "Preparing"
        rm -r /opt/Lightcord;
        rm -rf Lightcord.*;
        rm -rf Lightcord;
        rm -rf lightcord-linux-x64.*;
        SubInfo "Downloading Lightcord"
        wget https://lightcord.org/api/v1/gh/releases/Lightcord/Lightcord/dev/lightcord-linux-x64.zip; 
        unzip lightcord-linux-x64.zip -d Lightcord; 
        rm lightcord-linux-x64.zip; 
        prev_pwd = pwd;
        cd Lightcord; 
        chmod +x ./lightcord; 
        cd ..; 
        mv Lightcord/ /opt/; 
        SubInfo "Cleaning up"
        rm Lightcord/; 
        rm -rf Lightcord.*;
        rm -rf Lightcord;
        rm -rf lightcord-linux-x64.*;
        ;;

        *) # Do nothing
        Error 'Aborting install'
        ;;
    esac
    ;;

    2)
    # Appimage installer
    appimage='https://lightcord.org/api/gh/releases/Lightcord/Lightcord/dev/lightcord-linux-x86_64.AppImage'
    icon='https://raw.githubusercontent.com/Lightcord/Lightcord/master/discord.png'
    if [[ $TERM == dumb ]]; then
        exit;
    fi

    tput setaf 208
    tput sgr0


    printf "Please select\n";
    printf "1: Install Lightcord\n";
    printf "2: Uninstall Lightcord\n";
    printf "3: Update Lightcord\n"
    printf "\n";

    while ! [[ $selection =~ ^[0-9]+$ ]];
    do
        read selection;
        # If the entered value was not an integer, prompt the user again
        if ! [[ $selection =~ ^[0-9]+$ ]]; then
            sleep 1;
            printf "$(tput setaf 9)Please try again$(tput sgr0)\n";
            printf "1: Install Lightcord\n";
            printf "2: Uninstall Lightcord\n";
            printf "3: Update Lightcord\n"
            printf "\n";
        fi
    done


    case $selection in
        1) # Install LC
        Info 'Installing Lightcord'
        wget -O lightcord.AppImage $appimage;
        wget -O lightcord.png $icon;
        mkdir -p ~/.lightcord;
        mv lightcord.AppImage ~/.lightcord;
        chmod +x ~/.lightcord/lightcord.AppImage ;
        mkdir -p ~/.local/share/icons/hicolor/512x512/apps
        mv lightcord.png ~/.local/share/icons/hicolor/512x512/apps;
        echo -e "[Desktop Entry]\nName=Lightcord\nComment[fr_FR]=Un client Discord simple et personalisable\nComment=A simple - customizable - Discord Client\nExec=${HOME}/.lightcord/lightcord.AppImage\nIcon=lightcord\nTerminal=false\nType=Application\nCategories=Network;InstantMessaging;P2P;" >> ~/.local/share/applications/lightcord.desktop;
        ;;

        2) # Uninstall LC
        Info 'Uninstalling Lightcord'
        rm -rf ~/.lightcord;
        rm ~/.local/share/icons/hicolor/512x512/apps/lightcord.png;
        rm ~/.local/share/applications/lightcord.desktop;
        ;;

        3) # Update LC
        Info 'Updating Lightcord'
        rm -f ~/.lightcord/lightcord.AppImage;
        wget -O lightcord.AppImage $appimage;
        mkdir -p ~/.lightcord;
        mv lightcord.AppImage ~/.lightcord;
        chmod +x ~/.lightcord/lightcord.AppImage ;
        ;;
        
        *)
        Error 'Aborting install'
        ;;
    esac
    ;;

    *)
    Error 'Aborting install'
    ;;
esac

printf "Do you want to keep the install script? [y/N] "; # Ask if the script should delete itself
read a;

case $a in
    y)
    exit;
    ;;
    Y)
    exit;
    ;;
esac

# Remove the script
rm -f LULI.sh;