@echo off
setlocal enabledelayedexpansion

REM ============================================================
REM Cross-compile script: Windows / Linux, x86 / ARM
REM Binaries are output to dist\ (static, CGO_ENABLED=0)
REM ============================================================

set APPNAME=data_send_service
set OUTDIR=dist

REM Each target is "os-arch-GOARM"; use "none" when GOARM is unused.
REM x86 32-bit=386, x86 64-bit=amd64, ARM 32-bit=arm(GOARM=7), ARM 64-bit=arm64
set TARGETS=windows-amd64-none windows-386-none windows-arm64-none linux-amd64-none linux-386-none linux-arm64-none linux-arm-7

if not exist %OUTDIR% mkdir %OUTDIR%

set CGO_ENABLED=0

echo ========================================
echo Start cross-compiling %APPNAME%
echo Output directory: %OUTDIR%
echo ========================================

for %%T in (%TARGETS%) do (
    for /f "tokens=1,2,3 delims=-" %%a in ("%%T") do (
        set "GOOS=%%a"
        set "GOARCH=%%b"
        set "EXTRA=%%c"

        set "GOARM="
        if not "!EXTRA!"=="none" set "GOARM=!EXTRA!"

        if "!GOARCH!"=="arm" (
            set "ARCHNAME=armv!GOARM!"
        ) else (
            set "ARCHNAME=!GOARCH!"
        )

        set "EXESUF="
        if "!GOOS!"=="windows" set "EXESUF=.exe"

        set "OUTFILE=%OUTDIR%\%APPNAME%_!GOOS!_!ARCHNAME!!EXESUF!"

        echo.
        echo [build] !GOOS! / !ARCHNAME! -^> !OUTFILE!
        go build -trimpath -ldflags "-s -w" -o "!OUTFILE!" .
        if errorlevel 1 (
            echo [error] build failed: !GOOS! / !ARCHNAME!
            goto :fail
        )
    )
)

echo.
echo ========================================
echo All builds succeeded. Artifacts:
echo ========================================
dir /b %OUTDIR%
goto :eof

:fail
echo.
echo Build aborted due to errors.
exit /b 1