@echo off
setlocal EnableDelayedExpansion

REM ================================================================
REM  build-and-export-all-themes.bat
REM
REM  Four-theme player image batch builder.
REM  Automatically switches Git branches to build each theme.
REM  Usage:
REM    docs\docker\build-and-export-all-themes.bat
REM    docs\docker\build-and-export-all-themes.bat --use-cache
REM    docs\docker\build-and-export-all-themes.bat --export-only
REM    docs\docker\build-and-export-all-themes.bat --skip-api-admin
REM
REM  Output files (project root, already in .gitignore):
REM    thebet365-player-main.tar          -> thebet365-player:main
REM    thebet365-player-theme-2.tar       -> thebet365-player:theme-2
REM    thebet365-player-theme-3.tar       -> thebet365-player:theme-3
REM    thebet365-player-theme-4.tar       -> thebet365-player:theme-4
REM    thebet365-images-latest.tar        -> api:latest + admin:latest
REM ================================================================

cd /d "%~dp0..\.."
set "ROOT_DIR=%CD%"

set "USE_CACHE=0"
set "EXPORT_ONLY=0"
set "SKIP_API_ADMIN=0"

:parse_args
if "%~1"=="" goto args_done
if /i "%~1"=="--use-cache"      set "USE_CACHE=1"      & shift & goto parse_args
if /i "%~1"=="--export-only"    set "EXPORT_ONLY=1"    & shift & goto parse_args
if /i "%~1"=="--skip-api-admin" set "SKIP_API_ADMIN=1" & shift & goto parse_args
if /i "%~1"=="-h"               goto show_help
if /i "%~1"=="--help"           goto show_help
if /i "%~1"=="/?"               goto show_help
echo Unknown argument: %~1
goto show_help

:show_help
echo.
echo Usage: docs\docker\build-and-export-all-themes.bat [options]
echo.
echo   --use-cache        Use Docker build cache (default: --no-cache)
echo   --export-only      Skip build, export existing images only
echo   --skip-api-admin   Only build 4 player themes, skip api/admin
echo   -h, --help         Show this help
echo.
echo Output (project root):
echo   thebet365-player-main.tar
echo   thebet365-player-theme-2.tar
echo   thebet365-player-theme-3.tar
echo   thebet365-player-theme-4.tar
echo   thebet365-images-latest.tar   (api + admin, unless --skip-api-admin)
echo.
exit /b 0

:args_done

REM -- Validate docker is available
where docker >nul 2>&1
if errorlevel 1 (
  echo ERROR: docker not found. Please start Docker Desktop first.
  exit /b 1
)

REM -- Record current branch so we can restore it
set "ORIGINAL_BRANCH="
for /f "delims=" %%B in ('git rev-parse --abbrev-ref HEAD 2^>nul') do set "ORIGINAL_BRANCH=%%B"
if not defined ORIGINAL_BRANCH (
  echo ERROR: Cannot determine current Git branch. Run this script from the repo root.
  exit /b 1
)
echo [INFO] Current branch: %ORIGINAL_BRANCH%

REM -- Stash any local changes so branch switching works cleanly
set "DID_STASH=0"
git diff --quiet 2>nul
set "D1=!ERRORLEVEL!"
git diff --cached --quiet 2>nul
set "D2=!ERRORLEVEL!"
if not "!D1!"=="0" goto do_stash
if not "!D2!"=="0" goto do_stash
goto stash_done

:do_stash
echo [INFO] Stashing local changes before branch switching...
git stash push -m "build-all-themes auto-stash" >nul 2>&1
if errorlevel 1 (
  echo [WARN] git stash failed. Branch switching may fail if there are conflicts.
) else (
  set "DID_STASH=1"
  echo [INFO] Changes stashed.
)

:stash_done

REM -- Build extra arguments for the base script
set "EXTRA_ARGS="
if "%USE_CACHE%"=="1"   set "EXTRA_ARGS=!EXTRA_ARGS! --use-cache"
if "%EXPORT_ONLY%"=="1" set "EXTRA_ARGS=!EXTRA_ARGS! --export-only"

set "FAILED_THEMES="
set "SUCCESS_COUNT=0"

REM ================================================================
REM  Build each player theme
REM ================================================================

call :build_theme main main
call :build_theme theme-2 theme-2
call :build_theme theme-3 theme-3
call :build_theme theme-4 theme-4

REM -- Restore original branch
echo.
echo [INFO] Restoring original branch: %ORIGINAL_BRANCH%
cd /d "%ROOT_DIR%"
git checkout %ORIGINAL_BRANCH% >nul 2>&1
if errorlevel 1 (
  echo [WARN] Could not restore branch %ORIGINAL_BRANCH%. Run: git checkout %ORIGINAL_BRANCH%
) else (
  echo [INFO] Restored to %ORIGINAL_BRANCH%
)

REM -- Pop stash if we stashed earlier
if "%DID_STASH%"=="1" (
  echo [INFO] Restoring stashed changes...
  git stash pop >nul 2>&1
  if errorlevel 1 (
    echo [WARN] git stash pop failed. Run: git stash pop
  ) else (
    echo [INFO] Stash restored.
  )
)

REM -- Build api + admin on main branch
if "%SKIP_API_ADMIN%"=="1" goto skip_api_admin

echo.
echo [INFO] Building api + admin (tag: latest) on branch main...
cd /d "%ROOT_DIR%"
git checkout main >nul 2>&1
cd /d "%ROOT_DIR%"
call docs\docker\build-and-export-images.bat --tag latest!EXTRA_ARGS!
set "API_ERR=!ERRORLEVEL!"
cd /d "%ROOT_DIR%"
if "!API_ERR!"=="0" goto api_ok
echo [ERROR] api/admin build failed
set "FAILED_THEMES=!FAILED_THEMES! api/admin"
goto after_api_admin

:api_ok
set /a SUCCESS_COUNT+=1

:after_api_admin
echo.
echo [INFO] Restoring original branch: %ORIGINAL_BRANCH%
git checkout %ORIGINAL_BRANCH% >nul 2>&1

:skip_api_admin

REM ================================================================
REM  Summary
REM ================================================================
echo.
echo ================================================================
echo  BUILD SUMMARY
echo ================================================================
echo   Succeeded: !SUCCESS_COUNT! task(s)
if not defined FAILED_THEMES goto all_ok

echo   Failed:   !FAILED_THEMES!
echo.
echo   Tip: Retry failed themes manually:
echo     git checkout ^<branch^>
echo     docs\docker\build-and-export-images.bat --service player --tag ^<tag^>
echo ================================================================
echo.
endlocal
exit /b 1

:all_ok
echo.
echo   All done! Output files in project root:
echo     thebet365-player-main.tar
echo     thebet365-player-theme-2.tar
echo     thebet365-player-theme-3.tar
echo     thebet365-player-theme-4.tar
if "%SKIP_API_ADMIN%"=="0" (
  echo     thebet365-images-latest.tar   (api + admin)
)
echo.
echo   Server import commands:
echo     docker load -i thebet365-images-latest.tar
echo     docker load -i thebet365-player-main.tar
echo     docker load -i thebet365-player-theme-2.tar
echo     docker load -i thebet365-player-theme-3.tar
echo     docker load -i thebet365-player-theme-4.tar
echo.
echo   Start (first multi-theme deploy):
echo     docker compose -f docker-compose.prod.yml -f docker-compose.themes.yml --env-file .env.docker up -d
echo ================================================================
echo.
endlocal
exit /b 0


REM ================================================================
REM  :build_theme  <branch>  <tag>
REM    Switch to branch, build player, mark success/fail.
REM    Uses cd /d ROOT_DIR instead of pushd to avoid stack issues.
REM ================================================================
:build_theme
set "THEME_BRANCH=%~1"
set "THEME_TAG=%~2"

echo.
echo ----------------------------------------------------------------
echo [INFO] Theme: %THEME_BRANCH%  (image tag: %THEME_TAG%)
echo ----------------------------------------------------------------

cd /d "%ROOT_DIR%"
git checkout %THEME_BRANCH% >nul 2>&1
if errorlevel 1 (
  echo [ERROR] Cannot switch to branch %THEME_BRANCH% -- skipping
  set "FAILED_THEMES=!FAILED_THEMES! %THEME_BRANCH%"
  exit /b 0
)
echo [INFO] Switched to %THEME_BRANCH%

cd /d "%ROOT_DIR%"
call docs\docker\build-and-export-images.bat --service player --tag %THEME_TAG%!EXTRA_ARGS!
set "BUILD_ERR=!ERRORLEVEL!"

cd /d "%ROOT_DIR%"
if "!BUILD_ERR!"=="0" goto build_ok_%THEME_TAG%
echo [ERROR] Player build failed for %THEME_BRANCH%
set "FAILED_THEMES=!FAILED_THEMES! %THEME_BRANCH%"
exit /b 0

:build_ok_main
  echo [OK] thebet365-player:main exported successfully
  set /a SUCCESS_COUNT+=1
  exit /b 0

:build_ok_theme-2
  echo [OK] thebet365-player:theme-2 exported successfully
  set /a SUCCESS_COUNT+=1
  exit /b 0

:build_ok_theme-3
  echo [OK] thebet365-player:theme-3 exported successfully
  set /a SUCCESS_COUNT+=1
  exit /b 0

:build_ok_theme-4
  echo [OK] thebet365-player:theme-4 exported successfully
  set /a SUCCESS_COUNT+=1
  exit /b 0