#!/bin/zsh

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

colorschemes=$(ls ${HOME}/.Xresources)

function colo {

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

    # Change colors for current session
    if [[ ! -z "$TMUX" ]]; then
        printf '\x1bPtmux;'
        esc='\x1b\x1b'
    else
        esc='\x1b'
    fi

    /usr/bin/cpp ${XRESOURCE_FILE} | tr -d ' \t' | sed -n \
        -e "s/.*background:/${esc}]11;/p" \
        -e "s/.*foreground:/${esc}]10;/p" \
        -e "s/.*borderColor:/${esc}]708;/p" \
        -e "s/.*color\\([0-9][^:]*\\):/${esc}]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})

    echo "export COLORSCHEME=${XRESOURCE%.*}" > ${ZSH_COLORS}
    echo "export BACKGROUND=${XRESOURCE#*.}" >> ${ZSH_COLORS}
    echo "export XRESOURCE=${XRESOURCE}" >> ${ZSH_COLORS}
    source ${ZSH_COLORS}
}

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