#! /usr/bin/env sh
# Install various dotfiles into their proper places

create_symlink () {
    FILENAME="$(basename $2)"
    if [ ! -e "$1/$FILENAME" ]
    then
        ln -s $(readlink -f "$2") "$1/$FILENAME"
        echo "$(readlink -f $2) -> $1/$FILENAME"
    else
        echo "$1/$FILENAME already exists"
    fi
}

git_clone_if_missing () {
    if [ ! -d $2 ]
    then
        git clone --depth 1 $1 $2
    else
        echo "$1 already checked out -> $2"
    fi
}

# .config files
CONFIG_DIR="${XDG_CONFIG_HOME:-$HOME/.config}"

mkdir -p "$CONFIG_DIR"
for FILE in config/*
do
    create_symlink $CONFIG_DIR $FILE
done

mkdir -p "$CONFIG_DIR/systemd/user"
for FILE in systemd/*
do
    create_symlink $CONFIG_DIR/systemd/user $FILE
done

# SSH agent
ssh_agent_export="export SSH_AUTH_SOCK=\"\$XDG_RUNTIME_DIR/ssh-agent.socket\""
if [ -e "$HOME/.profile" ]
then
    grep "$ssh_agent_export" "$HOME/.profile" > /dev/null || echo "$ssh_agent_export" >> "$HOME/.profile"
fi

systemctl --user enable ssh-agent.service

# SSH sockets
mkdir -p "$HOME/.ssh/sockets"

# Install arch packages
sudo pacman --needed -S $(awk '{print $1}'  pacman.txt) || echo "Issue installing pacman packages"

# nvim setup - install Packer
PACKER_REPO="https://github.com/wbthomason/packer.nvim"
PACKER_DIR="$HOME/.local/share/nvim/site/pack/packer/start/packer.nvim"
git_clone_if_missing $PACKER_REPO $PACKER_DIR

# oh-my-zsh
sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
OHMYZSH_DIR="${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}"
if [ -d $OHMYZSH_DIR ]
then
    # Powerlevel10k theme
    POWERLEVEL_REPO="https://github.com/romkatv/powerlevel10k.git"
    POWERLEVEL_DIR="$OHMYZSH_DIR/themes/powerlevel10k"
    git_clone_if_missing $POWERLEVEL_REPO $POWERLEVEL_DIR
    # aliases
    create_symlink $OHMYZSH_DIR "./aliases.zsh"
fi

# Set up git editor if missing
grep "editor" "$HOME/.gitconfig" > /dev/null || git config --global core.editor "nvim"