@echo off

:: Setting initial paths 
set "mo2_install=%cd%"
echo %mo2_install%
set "repository=%mo2_install%\Fika-Tarkov"
echo %repository%

:: Set path to the portable Git executable (change this if needed)
set "portable_git=%mo2_install%\PortableGit\bin\git.exe"
set "portable_7z=%mod_install%\7zr.exe"

:: Check if curl is installed
where curl >nul 2>nul
if %errorlevel% neq 0 (
    echo ERROR: curl is not installed or not in your PATH.
    echo Please install curl or ensure it is in your PATH and try again.
    pause
    exit /b
)

:: Checking if Git Portable exists
if not exist "%mo2_install%\PortableGit\bin\git.exe" (
    echo ----
    echo Installing Portable Git...
    :: Download Git Portable
    curl -L -o PortableGit-2.47.1-64-bit.7z.exe https://github.com/git-for-windows/git/releases/download/v2.47.1.windows.1/PortableGit-2.47.1-64-bit.7z.exe
    
    if %errorlevel% neq 0 (
        echo ERROR: Failed to download Git Portable. Check your internet connection and try again.
        pause
        exit /b
    )
    :: Run the portable executable to setup
    start PortableGit-2.47.1-64-bit.7z.exe
    
    echo ----
    set /p userInput=Press Enter once the Portable Git installation has finished.
)

:: Check if 7z is installed
if not exist "%mo2_install%\7zr.exe" (
    echo ----
    echo Installing 7zip Portable...
    :: Download 7zip Portable
    curl -L -o 7zr.exe https://www.7-zip.org/a/7zr.exe
)

:: where 7z >nul 2>nul
:: if %errorlevel% neq 0 (
::     echo ERROR: 7z is not installed or not in your PATH.
::     echo Please install 7-Zip or NanaZip and add it to your PATH.
::     pause
::     exit /b
:: )

IF EXIST "%mo2_install%\ModOrganizer.exe" (
    call :UpdateModpack
    exit /B 0
) ELSE (
    call :InstallModpack
    exit /B 0
)

:UpdateModpack
    echo ----
    echo Existing installation detected! Updating modpack, please wait.
    timeout 5 

    :: Clone or update the Git repository
    if not exist "Fika-Tarkov\.git" (
        echo ----
        echo Cloning repository...
        "%portable_git%" clone https://files.moddinglounge.com/Rage/Fika-Tarkov.git
    ) else (
        echo ----
        echo Repository already exists. Pulling latest changes...
        cd %repository%
        git fetch --all
        git reset --hard origin/main
    )

    echo ----
    echo Moving files to root folder...
    robocopy "%repository%/mods" "%mo2_install%/mods" /E
    robocopy "%repository%/profiles" "%mo2_install%/profiles" /E
    robocopy "%repository%/stylesheets" "%mo2_install%/stylesheets" /E
    robocopy "%repository%/plugins" "%mo2_install%/plugins" /E
    
    echo ----
    echo Update complete. You may now launch the game.

    pause
    exit /B 0

:InstallModpack
    setlocal enableextensions disabledelayedexpansion
    
    echo ----
    echo No existing installation detected. Downloading modpack.
    timeout 5

    :: Requiring user input for game path

    :: Download MO2
    curl -L -o MO2.7z https://github.com/ModOrganizer2/modorganizer/releases/download/v2.5.2/Mod.Organizer-2.5.2.7z
    if %errorlevel% neq 0 (
        echo ERROR: Failed to download the archive. Check your internet connection and try again.
        pause
        exit /b
    )

    :: Confirm the file exists
    if not exist "MO2.7z" (
        echo ERROR: Download completed, but the file MO2.7z was not found.
        echo Please check your internet connection or the download URL.
        pause
        exit /b
    )

    :: Extracting MO2 and installing
    .\7zr x MO2.7z
    if %errorlevel% neq 0 (
        echo ERROR: Failed to extract the archive. Ensure the archive is valid and try again.
        pause
        exit /b
    )

    :: Deleting the archive
    del MO2.7z

    echo ----
    echo Cloning repository...
    "%portable_git%" clone https://files.moddinglounge.com/Rage/Fika-Tarkov.git

    echo ----
    echo Moving files to root folder...
    robocopy "%repository%/mods" "%mo2_install%/mods" /E
    robocopy "%repository%/profiles" "%mo2_install%/profiles" /E
    robocopy "%repository%/stylesheets" "%mo2_install%/stylesheets" /E
    robocopy "%repository%/plugins" "%mo2_install%/plugins" /E

    echo ----
    echo Installation complete. Launch ModOrganizer.exe and follow the remaining instructions.
    
    pause
    exit /B 0