#! /bin/bash --
[ ! -z "${GREZZO_1577142035}" ] && return; GREZZO_1577142035=0

. "$(this_script_path)/curl.sh"

function feat_addpacks_pip_dev() {
    if ! feat_missing "apt-get"; then
        sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \
        libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
        xz-utils tk-dev libffi-dev liblzma-dev python-openssl git
        elif ! feat_missing "pacman"; then
        sudo pacman -S --needed base-devel openssl zlib bzip2 readline sqlite curl \
        llvm ncurses xz tk libffi python-pyopenssl git
        elif ! feat_missing "apk"; then
        sudo apk add --no-cache bzip2-dev coreutils dpkg-dev dpkg expat-dev git curl \
        findutils gcc gdbm-dev libc-dev libffi-dev libnsl-dev libtirpc-dev \
        linux-headers make ncurses-dev openssl-dev pax-utils readline-dev \
        sqlite-dev tcl-dev tk tk-dev util-linux-dev xz-dev zlib-dev bash
        elif ! feat_missing "yum"; then
        sudo yum install @development zlib-devel bzip2 bzip2-devel readline-devel sqlite \
        sqlite-devel openssl-devel xz xz-devel libffi-devel findutils
        elif ! feat_missing "zypper"; then
        sudo zypper in zlib-devel bzip2 libbz2-devel libffi-devel libopenssl-devel \
        readline-devel sqlite3 sqlite3-devel xz xz-devel
    fi
}

function feat_add_pip() {
    feat_needed curl
    feat_addpacks_pip_dev
    curl https://pyenv.run | bash 2>&1
    
    { cat "$HOME/.bashrc"; echo "# Load pyenv automatically by adding
# the following to ~/.bashrc:
export PATH=\"/home/briq/.pyenv/bin:\$PATH\"
eval \"\$(pyenv init -)\"
eval \"\$(pyenv virtualenv-init -)\"
export N_PREFIX=\"\$HOME/.n_prefix\"
export PATH=\"\$N_PREFIX/bin:\$PATH\""; } > "$HOME/.bashrc.tmp"
    mv "$HOME/.bashrc.tmp" "$HOME/.bashrc"
    . "$HOME/.bashrc"
    LATESTPYTHON="$(pyenv install -l | grep '^[0-9\. ]*$' | sed -ne '$s|\s*||gp')"
    pyenv install "$LATESTPYTHON"
    pyenv global "$LATESTPYTHON"
    pip install --upgrade pip
}


function pip_feat_missing() {
    if feat_missing "pip"; then
        true
    else
        ! python -c "import $1" >/dev/null 2>&1
    fi
}

function pip_feat_add() {
    pip install "$1"
}

function pip_feat_needed() {
    feat_needed "pip"
    FEAT="$1"
    if pip_feat_missing "$FEAT"; then
        if type "pip_feat_add_$FEAT" > /dev/null 2>&1 ; then
            eval "pip_feat_add_$FEAT"
        else
            pip_feat_add "$FEAT"
        fi
    fi
}