#!/usr/bin/env zsh

dfdir=$(cd "$(dirname "$0")" && pwd)
sys=`uname -s | tr A-Z a-z`

skipitems=(setup.sh README.md py Colors LaunchAgents)

typeset -A vimbundles
vimbundles=(Vundle.vim "https://github.com/gmarik/Vundle.vim.git")

function link {
    local action
    local dest

    if [[ -z $2 ]]; then
        local dotfile_basename=`basename "$1"`
        dest="$HOME/.$dotfile_basename"
    else
        dest="$2"
    fi

    if [[ ! -e "$dest" ]]; then
        action='Linking'
        ln -fs "$1" "$dest"
    else
        action='Skipping'
    fi

    printf "  %8s: %s\n" $action "$dest"
}

print -P "%B    Home:%b $HOME"
print -P "%BDotfiles:%b $dfdir\n"

print -P "%BRemoving stray dotfile symlinks from $HOME%b"
local link_dest
local link_dirname
local did_remove_at_least_one_symlink=0
for file in ~/.?*; do
    link_dest=`readlink "$file"`
    if [[ $? -ne 0 ]]; then
        # Not a symlink.
        continue
    fi

    link_dirname=`dirname "$link_dest"`
    if [[ "$link_dirname" != "$dfdir" ]]; then
        continue
    fi

    if [[ -e "$link_dest" ]]; then
        continue
    fi

    printf "  Removing: %s\n" "$file"
    rm "$file"
    did_remove_at_least_one_symlink=1
done

if [[ $did_remove_at_least_one_symlink -ne 1 ]]; then
    print "  Nothing to remove"
fi

print -P "%BSymlinking config files%b"
local dotfile
local did_link_at_least_one_dotfile=0
for dotfile in $dfdir/*; do
    if [[ ${skipitems[(r)$dotfile]} == $dotfile ]]; then
        continue
    fi
    link "$dotfile"
    did_link_at_least_one_dotfile=1
done

if [[ -f "$HOME/.hushlogin" ]]; then
    print "  touch $HOME/.hushlogin"
    touch "$HOME/.hushlogin"
    did_link_at_least_one_dotfile=1
fi

if [[ $did_link_at_least_one_dotfile -ne 1 ]]; then
    print "  Nothing to link"
fi

print -P "%BFetching Vim modules%b"
cd "$dfdir/vim/bundle"
for module in ${(k)vimbundles}; do
    print -n "  $module"

    if [[ -d $module ]]; then
    # result='skipped'
    else
        git clone ${vimbundles[$module]} $module 1>/dev/null 2>&1
        if [[ $? -eq 0 ]]; then
            result='done'
        else
            result='failed'
        fi
    fi

    spaces=''
    filler=$(($COLUMNS - ${#module} - ${#result} - 4))
    for (( i=0; $i < $filler; i++ )); do spaces="$spaces "; done
    if [[ $result == 'skipped' ]]; then
        color='yellow'
    elif [[ $result == 'failed' ]]; then
        color='red'
    elif [[ $result == 'done' ]]; then
        color='green'
    fi
    print -P "$spaces%F{$color}$result%f"
done

vim +PluginInstall +qall

exit 0