@echo off
setlocal

REM ============================================================
REM  JDTLS wrapper for LSP Gateway (stdio mode)
REM  Put this script somewhere in PATH, or use full path in config
REM ============================================================

REM --- JDTLS install location (auto-detect from this script's directory) ---
set "JDTLS_HOME=%~dp0"
if "%JDTLS_HOME:~-1%"=="\" set "JDTLS_HOME=%JDTLS_HOME:~0,-1%"

REM --- Java (change this if needed) ---
if defined JAVA_HOME (
    set "JAVA=%JAVA_HOME%\bin\java.exe"
) else (
    set "JAVA=java"
)

REM --- Find launcher JAR ---
for %%f in ("%JDTLS_HOME%\plugins\org.eclipse.equinox.launcher_*.jar") do (
    set "LAUNCHER=%%f"
)

REM --- Config directory ---
set "CONFIG_DIR=%JDTLS_HOME%\config_win"

REM --- Workspace: use per-instance workspace to avoid lock conflicts ---
REM    Supports JDTLS_WORKSPACE env var for explicit override.
if defined JDTLS_WORKSPACE (
    set "WORKSPACE_DIR=%JDTLS_WORKSPACE%"
) else (
    set "WORKSPACE_DIR=%TEMP%\jdtls-ws-%RANDOM%%RANDOM%"
)
if not exist "%WORKSPACE_DIR%" mkdir "%WORKSPACE_DIR%"

REM --- Launch JDTLS in stdio mode ---
"%JAVA%" ^
    -Declipse.application=org.eclipse.jdt.ls.core.id1 ^
    -Dosgi.bundles.defaultStartLevel=4 ^
    -Declipse.product=org.eclipse.jdt.ls.core.product ^
    -Dlog.level=ALL ^
    -Xmx1G ^
    --add-modules=ALL-SYSTEM ^
    --add-opens java.base/java.util=ALL-UNNAMED ^
    --add-opens java.base/java.lang=ALL-UNNAMED ^
    -jar "%LAUNCHER%" ^
    -configuration "%CONFIG_DIR%" ^
    -data "%WORKSPACE_DIR%"

endlocal