#!/bin/bash

# install and configure zsh


installdeps()
{

    #checking for system
    systems="ubuntu arch"
    issue="$(cat /etc/issue)"
    for item in $systems; do
        echo $issue | grep -i $item
        if [ $? -eq 0 ]; then
            system=$item       
        fi
    done

    case $system in
        ubuntu)
            sudo apt-get update && sudo apt-get install -y curl zsh git-core vim
            ;;
        arch)
            sudo pacman -Su git zsh curl vim
            ;;
        ?)
            echo "unknown system. could not install anything"
            ;;
    esac


}

zshinstall()
{

    rm -rf ~/.oh-my-zsh/
    curl -L https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh | sh
    rm -rf ~/.oh-my-zsh/custom/
    cd ~/.oh-my-zsh/
    choice="null"
    while [ $choice != "y" ] && [ $choice != "n" ]; do
        echo ""
        read -p "should i clone the zshconfig writeable? [y/n]" choice
        if [ $choice = "y" ]; then
            git clone git@git.socialnerds.org:zshconfig.git custom
        else
            git clone git://git.socialnerds.org/zshconfig.git custom
        fi
    done
    echo ""
    read -p "now modify your ~/.zshrc to your needs"
    vim ~/.zshrc
    cat /etc/passwd | grep ~ | grep "/bin/zsh"

    #set default shell if not set already
    if [ $? -eq 1 ]; then
        echo ""
        read -p "time to change your default shell to /bin/zsh"
        sudo vim /etc/passwd
    fi

}



#start of script


if [ -d ~/.oh-my-zsh/custom/.git ]; then
    echo ""
    echo "skipping zsh installation. it is already there."
    echo ""
    read -p "do you want to cleanup and reinstall? [y/n]" choice
    if [ $choice = "y" ]; then
        installdeps
        zshinstall
    else
        echo "updating instead..."
        cd ~/.oh-my-zsh/custom
        git pull origin master
    fi
else
    installdeps
    zshinstall
fi


#end of file