#!/bin/bash
set -e

echo "Building for WebAssembly..."

# Install wasm-bindgen-cli if not present
if ! command -v wasm-bindgen &> /dev/null; then
    echo "Installing wasm-bindgen-cli..."
    cargo install wasm-bindgen-cli
fi

# Build the project
cargo build --release --target wasm32-unknown-unknown

# Generate JS bindings
wasm-bindgen --out-dir ./web --target web ./target/wasm32-unknown-unknown/release/flappy-bird-rust.wasm

# Copy assets and HTML
mkdir -p web/assets
cp -r assets/* web/assets/
cp index.html web/

echo "Build complete! Files are in ./web"
echo "To serve locally, run: python3 -m http.server --directory web 8080"
echo "Then open http://localhost:8080"