#!/bin/bash
# Build script for RinHash HIP implementation using Docker
# This script builds the HIP miner in a containerized ROCm environment

echo "================================================"
echo "  RinHash HIP/ROCm Linux Docker Build Script"
echo "================================================"

# Check if Docker is available
if ! command -v docker &> /dev/null; then
    echo "ERROR: Docker not found in PATH"
    echo "Please install Docker first"
    exit 1
fi

echo "Docker found:"
docker --version
echo ""

# Build directory setup
BUILD_DIR="$(dirname "$0")"
cd "$BUILD_DIR" || exit 1

echo "Building Docker image for HIP/ROCm compilation..."
echo ""

# Build the Docker image
sudo docker build -f Dockerfile.hip-linux -t rinhash-hip-builder .

if [ $? -ne 0 ]; then
    echo ""
    echo "==============================================="
    echo "   DOCKER BUILD FAILED!"
    echo "==============================================="
    echo ""
    echo "Common issues:"
    echo "1. Docker not properly installed"
    echo "2. Insufficient permissions"
    echo "3. Network connectivity issues"
    echo "4. ROCm base image not available"
    echo ""
    exit 1
fi

echo ""
echo "Docker image built successfully!"
echo ""

# Create output directory
mkdir -p hip-output

echo "Running container to build HIP binaries..."
echo ""

# Run the container and extract binaries
sudo docker run --rm \
    -v "$(pwd)/hip-output:/output" \
    rinhash-hip-builder

if [ $? -eq 0 ]; then
    echo ""
    echo "==============================================="
    echo "   BUILD SUCCESSFUL!"
    echo "==============================================="
    echo ""
    echo "Binaries created in hip-output/:"
    ls -la hip-output/
    echo ""
    echo "To test the miner (requires AMD GPU with ROCm):"
    echo "  ./hip-output/rinhash-hip-miner --help"
    echo ""
    echo "Note: To run on AMD GPU, you'll need ROCm runtime installed:"
    echo "  sudo apt install rocm-dev hip-runtime-amd"
    echo ""
else
    echo ""
    echo "==============================================="
    echo "   BUILD FAILED!"
    echo "==============================================="
    echo ""
    echo "Check the error messages above for details."
    echo ""
    exit 1
fi

echo "HIP build completed successfully!"