# prompt segments for bash

SEGMENT_DEFAULT_BG='default'
SEGMENT_DEFAULT_FG='default'
CURRENT_BG='NONE'

lprompt_segment() {
    local bg fg fake_bg

    [[ -n $1 ]] && bg="$1" || bg='default'
    [[ -n $2 ]] && fg="$2" || fg='default'

    if [[ $CURRENT_BG == 'default' ]]; then
        fake_bg=$SEGMENT_DEFAULT_BG
    else
        fake_bg=$CURRENT_BG
    fi

    # evaluate color vars
    local color_vars="fg fake_bg"
    local bg_color_vars="bg"
    source "$DOTFILES_BASH_DIR/ansi_colors"


    if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then
        echo -n " \[$bg$fake_bg\]$SEGMENT_SEPARATOR\[$fg\] "
    else
        echo -n "\[$bg$fg\] "
    fi

    CURRENT_BG=$1
    shift
    shift
    [[ -n "$*" ]] && echo -n "$*"
}

# End the prompt, closing any open segments
prompt_end() {
    local $bg;
    local $fg;
    local $fake_bg;

    bg="default"
    fg="default"

    if [[ -n $CURRENT_BG ]]; then
        fake_bg=$CURRENT_BG
    fi

    # evaluate color vars
    local color_vars="fg fake_bg"
    local bg_color_vars="bg"
    source "$DOTFILES_BASH_DIR/ansi_colors"

    if [[ -n $CURRENT_BG ]]; then
        echo -n " \[$bg$fake_bg\]$SEGMENT_SEPARATOR"
    else
        echo -n "\[$bg\]"
    fi
    echo -n "\[$fg\]"
    CURRENT_BG=''
}

# vim: ft=sh: