#!/usr/bin/env bash
# Build the wasm bundle and copy it into ./web so you can serve that directory.
#
# Requires: wasm-bindgen-cli installed (`cargo install wasm-bindgen-cli`)
#           and the wasm32 target (`rustup target add wasm32-unknown-unknown`).
set -euo pipefail

cd "$(dirname "$0")"

MODE="${1:-release}"
case "$MODE" in
  release)
    cargo build --target wasm32-unknown-unknown --release --lib
    WASM="target/wasm32-unknown-unknown/release/voxel_game.wasm"
    ;;
  debug)
    cargo build --target wasm32-unknown-unknown --lib
    WASM="target/wasm32-unknown-unknown/debug/voxel_game.wasm"
    ;;
  *)
    echo "usage: $0 [release|debug]" >&2
    exit 1
    ;;
esac

wasm-bindgen --target web --out-dir web --no-typescript "$WASM"

echo
echo "Build complete. Serve the web/ directory, e.g.:"
echo "  python3 -m http.server --directory web 8080"
echo "Then open http://localhost:8080/"