@echo off
setlocal EnableExtensions DisableDelayedExpansion
cd /d "%~dp0"

set "CONFIG=%CD%\commonwealth-server.json"
set "UPDATE=0"
set "EXTRA_ARGS="

:parse
if "%~1"=="" goto parsed
if /I "%~1"=="--update-dependencies" (
  set "UPDATE=1"
  shift
  goto parse
)
if /I "%~1"=="--config" goto parse_config
if /I "%~1"=="-c" goto parse_config
if /I "%~1"=="--host" goto parse_host
if /I "%~1"=="-H" goto parse_host
if /I "%~1"=="--port" goto parse_port
if /I "%~1"=="-p" goto parse_port
if /I "%~1"=="--interactive" (
  set "EXTRA_ARGS=%EXTRA_ARGS% --interactive"
  shift
  goto parse
)
if /I "%~1"=="-i" (
  set "EXTRA_ARGS=%EXTRA_ARGS% --interactive"
  shift
  goto parse
)
if /I "%~x1"==".json" (
  set "CONFIG=%~f1"
  shift
  goto parse
)
echo ERROR: Unknown option or argument: %~1 1>&2
exit /b 1

:parse_config
if "%~2"=="" (
  echo ERROR: %~1 requires a config path. 1>&2
  exit /b 1
)
set "CONFIG=%~f2"
shift
shift
goto parse

:parse_host
if "%~2"=="" (
  echo ERROR: %~1 requires a host. 1>&2
  exit /b 1
)
set "EXTRA_ARGS=%EXTRA_ARGS% --host %~2"
shift
shift
goto parse

:parse_port
if "%~2"=="" (
  echo ERROR: %~1 requires a port. 1>&2
  exit /b 1
)
set "EXTRA_ARGS=%EXTRA_ARGS% --port %~2"
shift
shift
goto parse

:parsed
set "MODE="
set "SERVER_EXE=%CD%\CommonwealthOnline.Server.exe"
set "SERVER_DLL=%CD%\CommonwealthOnline.Server.dll"
set "SERVER_PROJECT=%CD%\CommonwealthOnline.Server.csproj"

if exist "%SERVER_EXE%" set "MODE=apphost"
if defined MODE goto resolved

where dotnet >nul 2>nul
if errorlevel 1 goto missing
if exist "%SERVER_DLL%" (
  set "MODE=dll"
  goto resolved
)
if exist "%SERVER_PROJECT%" (
  set "MODE=project"
  goto resolved
)

:missing
echo ERROR: CommonwealthOnline.Server is not published and the .NET 8 SDK/runtime is unavailable. 1>&2
exit /b 1

:resolved
if "%UPDATE%"=="1" (
  if not exist "%SERVER_PROJECT%" (
    echo ERROR: --update-dependencies requires CommonwealthOnline.Server.csproj. 1>&2
    exit /b 1
  )
  where dotnet >nul 2>nul || (
    echo ERROR: --update-dependencies requires the .NET SDK. 1>&2
    exit /b 1
  )
  dotnet restore "%SERVER_PROJECT%" || exit /b 1
)

if not exist "%CONFIG%" (
  echo Generating default configuration: %CONFIG%
  call :run config init "%CONFIG%" || exit /b 1
)

echo Starting Commonwealth Online C# server
call :run serve --config "%CONFIG%" %EXTRA_ARGS%
exit /b %ERRORLEVEL%

:run
if /I "%MODE%"=="apphost" (
  "%SERVER_EXE%" %*
  exit /b %ERRORLEVEL%
)
if /I "%MODE%"=="dll" (
  dotnet "%SERVER_DLL%" %*
  exit /b %ERRORLEVEL%
)
dotnet run --project "%SERVER_PROJECT%" -c Release --no-launch-profile -- %*
exit /b %ERRORLEVEL%