#!/bin/bash

software_PATH=/home/$(whoami)/Software

if [[ ! -d $software_PATH ]]; then
    mkdir $software_PATH 
fi

read -p "Enter your github token: " token

while true; do
    read -p "What release of Unreal Would you like? (Please check the Unreal repository for release numbers): " answer
    cd $software_PATH
    if [[ ! -d $software_PATH/UnrealEngine ]]; then
        git clone https://github.com/EpicGames/UnrealEngine "UnrealEngine$answer"
    fi
    cd "$software_PATH/UnrealEngine$answer"
    git checkout "$answer-release"
    bash Setup.sh
    bash GenerateProjectFiles.sh
    make

    echo -ne "[Desktop Entry]
Name[en_US]=Unreal Engine $answer
Name=Unreal Engine $answer
GenericName[en_US]=Game Engine
GenericName=Game Engine
Comment[en_US]=Unreal Engine Editor
Comment=Unreal Engine Editor
Exec=$software_PATH/UnrealEngine$answer/Engine/Binaries/Linux/UnrealEditor
Icon=$software_PATH/UnrealEngine$answer/Engine/Content/Editor/Slate/About/UnrealLogo.svg
StartupNotify=true
Terminal=false
Type=Application
Categories=Development;Animation;
    " >> "UnrealEngine$answer.desktop"

    if [[ ! -d /home/$(whoami)/.local/share/applications ]]; then
        mkdir /home/$(whoami)/.local/share/applications
    fi

    ln -s "$software_PATH/UnrealEngine$answer/UnrealEngine$answer.desktop" ".local/share/applications/"

    while true; do
        read -p "Do you want to install another version? (y/n) " response
        if [[ "${response,,}" == "n" ]]; then
            break
        elif [[ "${response,,}" = "y" ]]; then
            break
        else
            "Invalid Response (y/n)"
        fi
    done

    if [[ "${response,,}" == "y" ]]; then
        echo -n ""
    else
        break
    fi

done