#!/bin/bash

# Set path variables

DIR=`pwd`
SYS_PACKAGES=/usr/local/lib/python2.7/dist-packages
VENV_PACKAGES=$DIR/Venv-Linux/lib/python2.7/site-packages

# Install all kivy dependencies via Apt.

sudo apt-get install -y python2.7 python-setuptools python-pip python-pygame python-opengl \
python-gst0.10 python-enchant gstreamer0.10-plugins-good python-dev build-essential \
libgl1-mesa-dev libgles2-mesa-dev zlib1g-dev

# Install kivy dependencies via Pip.

sudo pip install cython
sudo pip install numpy
sudo pip install pyenchant
sudo pip install Pygments
sudo pip install buildozer
sudo pip install plyer

# Add Kivy's PPA for stable builds and then install kivy.

if [ -f /etc/apt/sources.list.d/kivy-team-kivy-trusty.list ]; then
    echo "Kivy PPA already added. Testing of Kivy is installed."
    sudo apt-get install python-kivy
else
    sudo add-apt-repository ppa:kivy-team/kivy
    sudo apt-get install python-kivy
fi

# Lastly install virtualenv via pip.

sudo pip install virtualenv

# Check if directory "Venv-Linux" exists. If it doesn't, a new virtual
# environment is created in that directory. -Linux is attached to the end
# for projects worked on from multiple environments.

if [ -f Venv-Linux/bin/python ]; then
    echo "Virtual Environment already installed!"
else
    virtualenv Venv-Linux
fi

# For kivy to work inside the virtual environment, some system packages have to be linked.

ln -s $SYS_PACKAGES/buildozer $VENV_PACKAGES
ln -s $SYS_PACKAGES/Cython $VENV_PACKAGES
ln -s $SYS_PACKAGES/garden $VENV_PACKAGES
ln -s $SYS_PACKAGES/kivy $VENV_PACKAGES
ln -s $SYS_PACKAGES/plyer $VENV_PACKAGES
ln -s $SYS_PACKAGES/pyenchant-1.6.5-py2.7.egg $VENV_PACKAGES
ln -s $SYS_PACKAGES/pygame $VENV_PACKAGES

# # The next few lines makes the script useful cross-project for multiple users.
# # If your project is using specific packages that aren't linked above, provide a
# # requirements.txt file in the root project directory and pipe your dependencies
# # into that file.

# # Switch to virtual environment shell.

# source Venv-Linux/bin/activate

# # Installs any environment specific packages you may need.

# sudo pip install -Ur $DIR/requirements.txt

# deactivate
exit