#!/usr/bin/env bash

#default installation directories
INSTALL_DIR_LINUX="/usr/local/lib/lv2"
INSTALL_DIR_MAC="/Library/Audio/Plug-Ins/LV2"

# Detect the platform (similar to $OSTYPE)
OS="`uname`"
case $OS in
  'Linux') OS='Linux' && echo "You are on a Linux system. Building for Linux";;
  'Darwin') OS='Mac' && echo "You are on a Mac system. Building for MacOS";;
  *) ;;
esac

#Remove static rnnoise build
if [ -d rnnoise ]; then
    read -p "Do you want to remove previous rnnoise build? (y/n)?" choice
    case "$choice" in 
    y|Y ) rm -rf rnnoise && echo "Previous rnnoise build removed";;
    n|N ) echo "Previous rnnoise build was not removed";;
    * ) echo "invalid";;
    esac
fi

#only rebuild rnnoise if the user prefers to
if [ ! -d rnnoise ]; then
    #build rrnoise statically
    wget https://github.com/xiph/rnnoise/archive/master.zip
    # When using git or submodule to get rnnoise, the directory will be called
    # rnnoise, but when using the zip it will be rnnoise-master. Renaming to
    # rnnoise to keep unity.
    unzip -o master.zip && mv rnnoise-master rnnoise && rm master.zip
    cd rnnoise && ./autogen.sh
    mv ../ltmain.sh ./ && ./autogen.sh #This is weird but otherwise it won't work

    if [ $OS = "Mac" ]; then
        CFLAGS="-fvisibility=hidden -fPIC " \ 
        ./configure --disable-examples --disable-doc --disable-shared --enable-static        
    elif [ $OS = "Linux" ]; then
        CFLAGS="-fvisibility=hidden -fPIC -Wl,--exclude-libs,ALL" \
        ./configure --disable-examples --disable-doc --disable-shared --enable-static
    fi

    # Perhaps best to remove j? Or do:
    make -j$(nproc)
    cd ..
fi

#remove previous builds
rm -rf build || true

#build the plugin in the new directory
if [ $OS = "Linux" ]; then
    meson build --buildtype release --prefix $INSTALL_DIR_LINUX
elif [ $OS = "Mac" ]; then
    meson build --buildtype release --prefix $INSTALL_DIR_MAC
fi

cd build
ninja -v