#!/bin/bash
#
# Windows Docker Build Script for RinHash Miner
# This script builds the Windows executable using Docker cross-compilation
#

echo "=== RinHash Windows Docker Build Script ==="
echo "Building Windows executable with NO_CURL fallback networking..."
echo ""

# Check if Docker is available
if ! command -v docker &> /dev/null; then
    echo "❌ Error: Docker is not installed or not in PATH"
    echo "Please install Docker Desktop and try again."
    exit 1
fi

# Check if we're in the right directory
if [ ! -f "cpuminer-opt-rin/algo/rinhash/rinhash.c" ]; then
    echo "❌ Error: cpuminer-opt-rin directory not found in current location"
    echo "Please run this script from the miner directory:"
    echo "cd /mnt/shared/DEV/repos/d-popov.com/mines/rin/miner"
    exit 1
fi

echo "📁 Working directory: $(pwd)"
echo "🐳 Using Docker container: cpuminer-windows-builder"
echo ""

# Build the Windows executable
echo "🔨 Building Windows executable..."
docker run --rm \
    -v "$(pwd)/cpuminer-opt-rin:/work" \
    -v "$(pwd)/cpuminer-opt-rin/build/win:/output" \
    cpuminer-windows-builder \
    bash -c "cd /work && make clean && rm -rf Makefile Makefile.in configure config.* && ./autogen.sh && ./configure --host=x86_64-w64-mingw32 CFLAGS='-O3 -march=x86-64 -DNO_CURL' LDFLAGS='-static' && make -j4 && cp cpuminer.exe /output/"

# Check if build was successful
if [ $? -eq 0 ]; then
    echo ""
    echo "✅ Build completed successfully!"
    echo "📁 Checking output files..."
    ls -la cpuminer-opt-rin/build/win/cpuminer.exe 2>/dev/null
    if [ $? -eq 0 ]; then
        FILE_SIZE=$(stat -c%s "cpuminer-opt-rin/build/win/cpuminer.exe" 2>/dev/null || stat -f%z "cpuminer-opt-rin/build/win/cpuminer.exe" 2>/dev/null)
        echo "📦 Windows executable ready: cpuminer-opt-rin/build/win/cpuminer.exe (${FILE_SIZE} bytes)"
        echo ""
        echo "🚀 Ready for shipping to Windows systems!"
        echo "💡 Mining command example:"
        echo "   cpuminer.exe -a rinhash -o stratum+tcp://pool.example.com:3333 -u wallet -p x -t 4"
    else
        echo "❌ Warning: Executable not found in output directory"
    fi
else
    echo ""
    echo "❌ Build failed!"
    echo "💡 Troubleshooting:"
    echo "   - Check Docker is running"
    echo "   - Ensure cpuminer-windows-builder image is available"
    echo "   - Verify source files are present in cpuminer-opt-rin/"
    exit 1
fi

echo ""
echo "=== Build Complete ==="