#!/usr/bin/env bash
#
# Script name: dtos-colorscheme
# Description: Change colorscheme in DTOS.
# Dependencies: dmenu, dmscripts
# GitLab: https://www.gitlab.com/dwt1/dtos
# License: https://www.gitlab.com/dwt1/dtos/LICENSE
# Contributors: Derek Taylor

# Set with the flags "-e", "-u","-o pipefail" cause the script to fail
# if certain things happen, which is a good thing.  Otherwise, we can
# get hidden bugs that are hard to discover.
set -euo pipefail

# shellcheck disable=SC1091
source "$HOME/.config/dmscripts/config"

options=("DoomOne"
"Dracula"
"GruvboxDark"
"MonokaiPro"
"Nord"
"OceanicNext"
"Palenight"
"SolarizedDark"
"SolarizedLight"
"TomorrowNight")

choice=$(printf '%s\n' "${options[@]}" | ${DMENU} 'Choose color scheme:' "${@}")

if [ "$choice" ]; then
    sed  -i "s/import Colors.*/import Colors.$choice/g" "$HOME"/.config/xmonad/README.org || echo "Cannot modify README.org"
    sed  -i "s/import Colors.*/import Colors.$choice/g" "$HOME"/.config/xmonad/xmonad.hs || echo "Cannot modify xmonad.hs"
    xmonad --restart

    sed -i "s/^colors: .*/colors: \*$choice/g" "$HOME"/.config/alacritty/alacritty.yml

    # POLYBAR (Do not remove the spacing in these sed commands!!!)
    sed -i -e "s/^background .*background/background = \${$choice.background/g" \
    -e "s/^foreground .*foreground/foreground = \${$choice.foreground/g" \
    -e "s/color0 .*color0/color0     = \${$choice.color0/g" \
    -e "s/color1 .*color1/color1     = \${$choice.color1/g"  \
    -e "s/color2 .*color2/color2     = \${$choice.color2/g"  \
    -e "s/color3 .*color3/color3     = \${$choice.color3/g"  \
    -e "s/color4 .*color4/color4     = \${$choice.color4/g"  \
    -e "s/color5 .*color5/color5     = \${$choice.color5/g"  \
    -e "s/color6 .*color6/color6     = \${$choice.color6/g"  \
    -e "s/color7 .*color7/color7     = \${$choice.color7/g"  \
    -e "s/color8 .*color8/color8     = \${$choice.color8/g"  \
    -e "s/color9 .*color9/color9     = \${$choice.color9/g"  \
    -e "s/color10.*color10/color10    = \${$choice.color10/g" \
    -e "s/color11.*color11/color11    = \${$choice.color11/g" \
    -e "s/color12.*color12/color12    = \${$choice.color12/g" \
    -e "s/color13.*color13/color13    = \${$choice.color13/g" \
    -e "s/color14.*color14/color14    = \${$choice.color14/g" \
    -e "s/color15.*color15/color15    = \${$choice.color15/g" \
    -e "s/^alert.*/alert      = \${$choice.color1}/g" "$HOME"/.config/polybar/config.ini

# What to do if we just escape without choosing anything.
else
  echo "Program terminated." && exit 0
fi