@echo off
title Crypto Miner Control Server
cd /d "%~dp0"

echo.
echo  ╔══════════════════════════════════════════════════╗
echo  ║     Crypto Miner Control Server Builder          ║
echo  ╚══════════════════════════════════════════════════╝
echo.

:: ============================================================
:: STEP 1: Auto-install Go if missing
:: ============================================================
echo [1/5] Checking dependencies...

where go >nul 2>nul
if %ERRORLEVEL% neq 0 (
    echo   Go not found. Downloading and installing Go...
    
    :: Detect architecture
    if "%PROCESSOR_ARCHITECTURE%"=="AMD64" (
        set GO_ARCH=amd64
    ) else (
        set GO_ARCH=386
    )
    
    set GO_VERSION=1.22.2
    set GO_URL=https://go.dev/dl/go%GO_VERSION%.windows-%GO_ARCH%.msi
    set GO_MSI=%TEMP%\go-installer.msi
    
    echo   Downloading Go %GO_VERSION% for Windows %GO_ARCH%...
    echo   (This may take a moment...)
    
    :: Download using PowerShell (built into Windows)
    powershell -Command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%GO_URL%' -OutFile '%GO_MSI%' }"
    
    if %ERRORLEVEL% neq 0 (
        echo   ERROR: Failed to download Go installer.
        echo   Please manually download from: https://go.dev/dl/
        pause
        exit /b 1
    )
    
    echo   Installing Go (this may require administrator privileges)...
    msiexec /i "%GO_MSI%" /quiet /norestart
    
    if %ERRORLEVEL% neq 0 (
        echo   ERROR: Failed to install Go. Try running as Administrator.
        pause
        exit /b 1
    )
    
    :: Clean up installer
    del "%GO_MSI%" 2>nul
    
    :: Add Go to PATH for this session
    set PATH=%PATH%;C:\Program Files\Go\bin
    set PATH=%PATH%;%USERPROFILE%\go\bin
    
    echo   Go installed successfully!
) else (
    echo   Go found:
    call go version
)

:: ============================================================
:: STEP 2: Auto-install Node.js if missing (for frontend)
:: ============================================================
where node >nul 2>nul
if %ERRORLEVEL% neq 0 (
    echo   Node.js not found. Downloading and installing Node.js...
    
    set NODE_VERSION=20.12.2
    set NODE_URL=https://nodejs.org/dist/v%NODE_VERSION%/node-v%NODE_VERSION%-x64.msi
    set NODE_MSI=%TEMP%\node-installer.msi
    
    echo   Downloading Node.js v%NODE_VERSION%...
    echo   (This may take a moment...)
    
    powershell -Command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%NODE_URL%' -OutFile '%NODE_MSI%' }"
    
    if %ERRORLEVEL% neq 0 (
        echo   WARNING: Failed to download Node.js. Frontend will not be built.
        echo   You can manually download from: https://nodejs.org/
        set SKIP_FRONTEND=1
    ) else (
        echo   Installing Node.js (this may require administrator privileges)...
        msiexec /i "%NODE_MSI%" /quiet /norestart
        
        if %ERRORLEVEL% neq 0 (
            echo   WARNING: Failed to install Node.js. Frontend will not be built.
            set SKIP_FRONTEND=1
        ) else (
            :: Add Node to PATH for this session
            set PATH=%PATH%;C:\Program Files\nodejs
            
            del "%NODE_MSI%" 2>nul
            echo   Node.js installed successfully!
        )
    )
) else (
    echo   Node.js found:
    call node --version
)

:: ============================================================
:: STEP 3: Create data directories
:: ============================================================
echo [2/5] Creating data directories...
if not exist "data\builds" mkdir "data\builds"
if not exist "data\logs" mkdir "data\logs"
echo   Done.

:: ============================================================
:: STEP 4: Build frontend
:: ============================================================
if "%SKIP_FRONTEND%"=="" (
    echo [3/5] Building frontend dashboard...
    cd server\web
    if not exist "node_modules" (
        echo   Installing npm dependencies...
        call npm install
    )
    call npm run build
    if %ERRORLEVEL% neq 0 (
        echo   WARNING: Frontend build failed, server will run without dashboard.
    ) else (
        echo   Frontend built: server\web\dist
    )
    cd ..\..

    :: Copy frontend dist to server's webroot directory
    if exist "server\web\dist" (
        if not exist "server\webroot" mkdir "server\webroot"
        xcopy /E /I /Y "server\web\dist\*" "server\webroot\" >nul
        echo   Frontend files copied to server\webroot
    )
) else (
    echo [3/5] Skipping frontend build (Node.js not available)
)

:: ============================================================
:: STEP 5: Build server
:: ============================================================
echo [4/5] Building server...
cd server

:: Download Go module dependencies
echo   Downloading Go dependencies...
go mod download
if %ERRORLEVEL% neq 0 (
    echo   WARNING: go mod download failed, trying build anyway...
)

go build -ldflags="-s -w" -o "..\bin\miner-server.exe" .
if %ERRORLEVEL% neq 0 (
    echo ERROR: Build failed
    pause
    exit /b 1
)
cd ..
echo   Server built: bin\miner-server.exe

:: ============================================================
:: LAUNCH
:: ============================================================
echo [5/5] Starting server on port 8989...
echo.
for /f "usebackq delims=" %%I in (`powershell -NoProfile -Command "(Get-NetIPAddress -AddressFamily IPv4 ^| Where-Object { $_.IPAddress -notlike '127.*' -and $_.PrefixOrigin -ne 'WellKnown' } ^| Select-Object -First 1 -ExpandProperty IPAddress)"`) do set LAN_IP=%%I
if not defined LAN_IP set LAN_IP=localhost
echo.
echo  ╔══════════════════════════════════════════════════╗
echo  ║  Crypto Miner Control Server                     ║
echo  ║                                                  ║
echo  ║  Dashboard:  http://%LAN_IP%:8989                ║
echo  ║  Local:      http://localhost:8989               ║
echo  ║  WebSocket:  ws://%LAN_IP%:8989/ws/agent        ║
echo  ║                                                  ║
echo  ║  1. Open dashboard on your LAN                   ║
echo  ║  2. Configure Settings                         ║
echo  ║  3. Build install-{worker}.exe in Builder        ║
echo  ║  4. Run that exe once on each Windows machine    ║
echo  ║                                                  ║
echo  ║  Data:   %CD%\data\                              ║
echo  ║  Press Ctrl+C to stop the server                 ║
echo  ╚══════════════════════════════════════════════════╝
echo.

start http://localhost:8989

:: Run server
.\bin\miner-server.exe -port 8989 -data ".\data"

pause