#!/bin/bash

function install_font {
    if [ -e "$2" ] && [ ! -L "$2" ]; then
        echo "Already exists as real file: $2"
    elif [ -L "$2" ]; then
        echo "Skipped: $2"
    else
        echo "Linked font: $2"
        ln -s "$1" "$2"
    fi
}

IFS=$'\n'

FONTS_CODING=$'SourceCodePro/Bold/Sauce Code Pro Bold Plus Nerd File Types Mono Plus Font Awesome Plus Octicons Plus Pomicons.ttf
SourceCodePro/Medium/Sauce Code Pro Medium Plus Nerd File Types Mono Plus Font Awesome Plus Octicons Plus Pomicons.ttf
Hack/Bold/Knack Bold Plus Nerd File Types Mono Plus Font Awesome Plus Octicons Plus Pomicons.ttf
Hack/Regular/Knack Plus Nerd File Types Mono Plus Font Awesome Plus Octicons Plus Pomicons.ttf
Hack/BoldOblique/Knack BoldOblique Plus Nerd File Types Plus Font Awesome Plus Octicons Plus Pomicons.ttf
Hack/RegularOblique/Knack RegularOblique Plus Nerd File Types Plus Font Awesome Plus Octicons Plus Pomicons.ttf'

FONTS_FUTURA=$'Futura-Std-Bold_19042.ttf
Futura-Std-Bold-Oblique_19041.ttf
Futura-Std-Book_19044.ttf
Futura-Std-Book-Oblique_19043.ttf'

FONTS_DELETE=$'Sauce Code Pro Medium Plus Nerd File Types Plus Font Awesome Plus Octicons Plus Pomicons.ttf'

if [ -e ~/.dot_is_server ]; then
    # Update from the repo
    SOURCE_DIR="/stuff/system/fonts/nerd-fonts/patched-fonts"
    DEST_DIR="/stuff/system/sync/fonts/active"
    if [ -d "$SOURCE_DIR" ] && [ -d "$DEST_DIR" ]; then
        cd "$SOURCE_DIR"
        git pull --all
        while read -r FONT; do
            echo "Copied font: $FONT"
            cp -a "$SOURCE_DIR/$FONT" "$DEST_DIR"
        done <<< "$FONTS_CODING"
    else
        echo "$SOURCE_DIR or $DEST_DIR not found, aborting"
    fi
else
    # Create symlinks if needed
    SOURCE_DIR="$HOME/Downloads/sync/fonts/active"
    DEST_DIR="$HOME/.local/share/fonts"
    if [ ! -e "$DEST_DIR" ]; then
        mkdir -p "$DEST_DIR"
    fi
    if [ -d "$SOURCE_DIR" ]; then
        cd "$DEST_DIR"
        while read -r FONT; do
            FONT_FILE=$(basename "${SOURCE_DIR}/${FONT}")
            install_font "$SOURCE_DIR/$FONT_FILE" "$DEST_DIR/$FONT_FILE"
        done <<< "$FONTS_CODING"
        while read -r FONT; do
            install_font "$SOURCE_DIR/$FONT" "$DEST_DIR/$FONT"
        done <<< "$FONTS_FUTURA"
        # Delete obsolete fonts
        while read -r FONT; do
            if [ -L "$DEST_DIR/$FONT" ]; then
                echo "Deleting symlink $DEST_DIR/$FONT"
                rm "$DEST_DIR/$FONT"
            fi
        done <<< "$FONTS_DELETE"
    else
        echo "$SOURCE_DIR not found, aborting"
    fi
    if [ -d "$HOME/.fonts" ]; then
        echo "Mind that you do have a ~/.fonts dir too, which might contain older versions"
    fi
fi