@echo off
setlocal enabledelayedexpansion

echo ===================================
echo  Eleri - Build, Upload and Notify
echo ===================================

:: ---- CONFIG — edit these ----
set UE_VERSION=5.8
set PROJECT_PATH=C:\Projects\ProjectEleri\ProjectEleri.uproject
set PROJECT_NAME=Eleri
set OUTPUT_DIR=C:\Projects\ProjectEleri\BUILD\Debug
set MAX_BUILDS=10
set UAT_PATH=C:\Program Files\Epic Games\UE_%UE_VERSION%\Engine\Build\BatchFiles\RunUAT.bat

:: ---- ARGUMENTS ----
set BUILD_VERSION=%1
set CHANGELOG=%~2

:: ---- PROMPT IF MISSING ----
if "%BUILD_VERSION%"=="" set /p BUILD_VERSION="Build version (e.g. 1.0.0-build.42): "
if "%CHANGELOG%"=="" set /p CHANGELOG="Changelog / notes (optional, press Enter to skip): "

:: ---- STEP SELECTION ----
echo.
echo Which steps would you like to run?
echo   1 - Build only
echo   2 - Build + Zip
echo.
set /p RUN_STEPS="Enter choice (1-2): "

if "%RUN_STEPS%"=="" set RUN_STEPS=2
if "%RUN_STEPS%" LSS "1" set RUN_STEPS=2
if "%RUN_STEPS%" GTR "4" set RUN_STEPS=2

echo.
echo Running steps 1 through %RUN_STEPS%...

set BUILD_TYPE=debug
set DEST_FILENAME=%PROJECT_NAME%_%BUILD_VERSION%.zip
set BUILD_OUTPUT=%OUTPUT_DIR%\%BUILD_VERSION%%

:: ====================================
:: STEP 1 — BUILD
:: ====================================
echo.
echo [1/2] Building %PROJECT_NAME% in DebugGame mode...
echo.

call "%UAT_PATH%" BuildCookRun ^
    -project="%PROJECT_PATH%" ^
    -noP4 ^
    -platform=Win64 ^
    -clientconfig=DebugGame ^
    -cook ^
    -build ^
    -stage ^
    -pak ^
    -archive ^
    -archivedirectory="%BUILD_OUTPUT%" ^
    -prereqs ^
    -nodebuginfo

set BUILD_EXIT=%errorlevel%
echo.
echo UAT exited with code: %BUILD_EXIT%

if %BUILD_EXIT% neq 0 (
    echo ERROR: Build failed!
    pause
    exit /b 1
)

echo Build succeeded!
if %RUN_STEPS% EQU 1 goto :done

:: ====================================
:: STEP 2 — ZIP
:: ====================================
echo.
echo [2/2] Zipping build...

set ZIP_PATH=%OUTPUT_DIR%\%DEST_FILENAME%

powershell -Command "Compress-Archive -Path '%BUILD_OUTPUT%\*' -DestinationPath '%ZIP_PATH%' -Force"

if %errorlevel% neq 0 (
    echo ERROR: Zipping failed.
    pause & exit /b 1
)

echo Zip created: %ZIP_PATH%
echo Build folder kept at: %BUILD_OUTPUT%
if %RUN_STEPS% EQU 2 goto :done

:: ====================================
:done
:: ====================================
echo.
echo ===================================
echo  All done! (ran steps 1-%RUN_STEPS%)
echo  Build:    %DEST_FILENAME%
echo ===================================
pause