# Install Git.
# Install nvm (https://github.com/creationix/nvm).
# Install Panda3D (https://www.panda3d.org/download/sdk-1-10-1/).
# Install Haskell Stack (https://docs.haskellstack.org/en/stable/README/).

cd

# Install PureScript Native (https://github.com/andyarvanitis/purescript-native).

git clone https://github.com/andyarvanitis/purescript-native.git
cd purescript-native
git checkout aa857adec6aa40edac91bcacfe4c3b7c5f1c3f2d
stack install

cd

# Update path for PureScript Native compiler pscpp.

export PATH="${PATH}:${HOME}/.local/bin"

# Download and install the FFI exports.

git clone https://github.com/lettier/purescript-native-ffi.git
cd purescript-native-ffi
git checkout lambda-lantern

cd

git clone https://github.com/lettier/lambda-lantern.git

# Note the trailing dot.
cp -nr purescript-native-ffi/. lambda-lantern/ffi/

cd lambda-lantern

# Install Node.js.

nvm install `cat .nvmrc` && nvm use

# Install PureScript and psc-package.

npm install -g purescript@0.13.0 psc-package-bin-simple@3.0.1

# Install the PureScript dependencies.
psc-package install

# Build Lambda Lantern.
# Double check the include and lib paths.
# You may need additional flags for your platform.

make \
  CXXFLAGS=" \
    -fmax-errors=1 \
    -I/usr/include/python \
    -I/usr/include/panda3d \
    -I/usr/include/freetype2" \
  LDFLAGS=" \
    -L/usr/lib/panda3d \
    -lp3framework \
    -lpanda \
    -lpandafx \
    -lpandaexpress \
    -lp3dtoolconfig \
    -lp3dtool \
    -lp3pystub \
    -lp3direct \
    -pthread \
    -lpthread"

# Run Lambda Lantern.

LAMBDA_LANTERN_ASSETS_PATH="./assets" ./output/bin/lambda-lantern