#!/bin/bash
# Generate Go bindings from ABIs using abigen

set -e

echo "🔧 Generating Go bindings from contract ABIs"
echo "=============================================="
echo ""

# Check if abigen is available
if ! command -v abigen &> /dev/null; then
    echo "⚠️  abigen not found, installing..."
    cd /tmp
    go install github.com/ethereum/go-ethereum/cmd/abigen@latest
    cd -
fi

# Function to generate binding
generate_binding() {
    local abi_file=$1
    local pkg_name=$2
    local type_name=$3
    local output_file=$4

    echo "📄 Generating $type_name..."

    abigen \
        --abi="$abi_file" \
        --pkg="$pkg_name" \
        --type="$type_name" \
        --out="$output_file"

    echo "   ✅ Generated: $output_file"
}

# Generate UniswapV2 bindings
echo "🦄 UniswapV2 Bindings"
generate_binding \
    "bindings/uniswap_v2/IUniswapV2Router02.json" \
    "uniswap_v2" \
    "UniswapV2Router" \
    "bindings/uniswap_v2/router.go"

generate_binding \
    "bindings/uniswap_v2/IUniswapV2Pair.json" \
    "uniswap_v2" \
    "UniswapV2Pair" \
    "bindings/uniswap_v2/pair.go"

echo ""

# Generate UniswapV3 bindings
echo "🦄 UniswapV3 Bindings"
generate_binding \
    "bindings/uniswap_v3/ISwapRouter.json" \
    "uniswap_v3" \
    "SwapRouter" \
    "bindings/uniswap_v3/router.go"

echo ""

echo "✅ All bindings generated successfully!"
echo ""
echo "Generated bindings:"
find bindings -name "*.go" -type f | sort

echo ""
echo "💡 Add to imports:"
echo "   import \"github.com/your-org/mev-bot/bindings/uniswap_v2\""
echo "   import \"github.com/your-org/mev-bot/bindings/uniswap_v3\""