#!/bin/zsh

[[ -z ${ZSH_COLORS} ]] && ZSH_COLORS=${HOME}/.local/share/zsh/colors.zsh
[[ -f ${ZSH_COLORS} ]] && source ${ZSH_COLORS}

colorschemes=$(echo ${HOME}/.Xresources/* | sed "s#${HOME}/.Xresources/##g")

function colo {

    XRESOURCE=$1
    XRESOURCE_FILE=${HOME}/.Xresources/${XRESOURCE}

    # Change colors for current session
    /usr/bin/cpp ${XRESOURCE_FILE} | tr -d ' \t' | sed -n \
        -e 's/.*background:/\x1b]11;/p' \
        -e 's/.*foreground:/\x1b]10;/p' \
        -e 's/.*borderColor:/\x1b]708;/p' \
        -e 's/.*color\([0-9][^:]*\):/\x1b]4;\1;/p' | tr \\n \\a

    # Change color for future sessions
    xrdb ${XRESOURCE_FILE}

    # Change default environment variable for future sessions
    mkdir -p $(dirname ${ZSH_COLORS})

    COLORSCHEME=$(echo ${XRESOURCE} | sed 's/\([^.]\+\)\..\+$/\1/g')
    BACKGROUND=$(echo ${XRESOURCE} | sed 's/^.\+\(dark\|light\)/\1/')

    echo "export COLORSCHEME=${COLORSCHEME}" > ${ZSH_COLORS}
    echo "export BACKGROUND=${BACKGROUND}" >> ${ZSH_COLORS}
    echo "export XRESOURCE=${XRESOURCE}" >> ${ZSH_COLORS}
    source ${ZSH_COLORS}
}

# Completion for colorschemes (-M -> Case insensitive)
compctl -k "(${colorschemes})" -M 'm:{a-z}={A-Z}' colo