#!/bin/bash

if [ $UID != 0 ] ; then
    echo "Must be root!"
    exit 1
fi

patch_dir=/home/$(logname)/.cache/wal
if [ ! "$1" = "" ] ; then
    patch_dir=$1
fi

echo "Patch dir is $patch_dir"

vivaldi_path=$(dirname $(find /opt -name "vivaldi-bin"))

if [ "$vivaldi_path" = "" ] ; then
    echo "Cannot find vivaldi path"
    exit 2
fi

echo "Patching vivaldi located at $vivaldi_path"

# backup browser.html
cp "$vivaldi_path/resources/vivaldi/browser.html" "$vivaldi_path/resources/vivaldi/browser.html-$(date +%Y-%m-%dT%H-%M-%S)"

# add custom.js
if [ -f "$patch_dir/vivaldi.js" ] ; then
    echo "Using js file: $path_dir/vivaldi.js"

    # copy js
    cp -f "$patch_dir/vivaldi.js" "$vivaldi_path/resources/vivaldi/style/custom.js"

    # patch browser.html
    js_patched=$(grep '<script src="style/custom.js"><\/script>' $vivaldi_path/resources/vivaldi/browser.html)
    if [ "$js_patched" = "" ] ; then
        echo "Browser.html have been patched"
        sed -i -e 's/<\/body>/<script src="style\/custom.js"><\/script> <\/body>/' "$vivaldi_path/resources/vivaldi/browser.html"
    fi
fi