#!/bin/bash
# Description: The Python programming language
set -e

__PYTHON_VERSION=3.7.0

_recipe _path
_recipe git

case $_PLATFORM in
    darwin)
        _recipe brew
        _brew pyenv
        _brew pyenv-virtualenv
        ;;
    *)
        _recipe _apt
        for dep in make build-essential libssl-dev zlib1g-dev libbz2-dev \
                        libreadline-dev libsqlite3-dev wget curl llvm  \
                        libncurses5-dev libncursesw5-dev xz-utils tk-dev; do
            _apt $dep
        done
        if [ ! -d ~/.pyenv ]; then
            _run "[git] Install pyenv" bash <(curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer)
        else
            _run "[git] Upgrade pyenv" git -C $(pyenv root) pull
        fi
        _path "${HOME}/.pyenv/bin"
        ;;
esac

_profile 'eval "$(pyenv init -)"'
_profile 'eval "$(pyenv virtualenv-init -)"'
_profile 'pyenv global $(pyenv versions --bare --skip-aliases | egrep "^(\.?[[:digit:]]+)+$" | sort -rV)'


if ! [ -d ~/.pyenv/versions/${__PYTHON_VERSION} ]; then
     _run "[pyenv] Install python ${__PYTHON_VERSION}" pyenv install ${__PYTHON_VERSION}
fi
pyenv global ${__PYTHON_VERSION}