#!/bin/sh

#
# Powerline symbols
#

: ${TMUX_POWERLINE_SYMBOLS:=unicode}

case "$TMUX_POWERLINE_SYMBOLS" in
    unicode )
        # Unicode glyphs which don't require patched font
        tmux_powerline_symbol_right_full=""
        tmux_powerline_symbol_right_thin="│"
        tmux_powerline_symbol_left_full=""
        tmux_powerline_symbol_left_thin="│"
        ;;
esac

#
# Show flag if terminal reports support for fewer than 8 colors
#
# Current: *
# Previous: -
# Activity/Silence: #
# Bell: !
# Content: +
#

enable_flag()
{
    tmux_powerline_flag="#F"
}

disable_flag()
{
    tmux_powerline_flag=""
}

# Support `tput Co` too?
colors="$(tput colors)"

if [ "${TMUX_POWERLINE_FLAG}" = "on" ]; then
    # Force enable flag
    enable_flag
elif [ "${TMUX_POWERLINE_FLAG}" = "off" ]; then
    # Force disable flag
    disable_flag
else
    # Dynamically enable flag
    if [ "$colors" -lt 8 ]; then
        # Fewer than n colors supported
        enable_flag
    else
        disable_flag
    fi
fi

#
# Status bar style
#

tmux set-window-option -g status-style bg=colour236,fg=white

#
# Status bar left side
#

# Show session name?
if [ "${TMUX_POWERLINE_SHOW_SESSION_NAME}" = "on" ]; then
    tmux set-window-option -g status-left "#[bg=colour240,fg=white] #S #[fg=colour236,reverse]"
    tmux set-window-option -g status-left-length 40
else
    tmux set-window-option -g status-left ""
    #tmux set-window-option -g status-left-length 40
fi

#
# Status bar right side
#

tmux set-window-option -g status-right "#[fg=colour244]#S:#I:#P #[fg=colour240]#[fg=colour231,bg=colour240] #H #[fg=colour252]#[fg=black,bg=colour252,nobold] %b %d %a #[bold]%H:%M "
tmux set-window-option -g status-right-length 80

#
# Status bar window currently active
#

if [ "${TMUX_POWERLINE_COMPACT_CURRENT}" = "on" ]; then
    tmux set-window-option -g window-status-current-format "#[fg=colour236]#[default,fg=colour231,bold] #I #[default,fg=colour236,reverse]"
else
    tmux set-window-option -g window-status-current-format "#[fg=colour236]#[default,bold] #I #[fg=colour123,reverse]#[default]#[bg=colour123] #W #[fg=colour236,reverse]"
fi

# colour33 is green
tmux set-window-option -g window-status-current-style none,bg=colour33,fg=black

#
# Status bar window in background (not active)
#

if [ "${TMUX_POWERLINE_COMPACT_OTHER}" = "on" ]; then
    tmux set-window-option -g window-status-format "#[fg=colour236,nounderscore]#[default,bold,nounderscore] #I #[fg=colour236,reverse]"
else
    tmux set-window-option -g window-status-format "#[fg=colour236,nounderscore]#[default,bold,nounderscore] #I #[fg=colour240,reverse]#[default]#[bg=colour240]#[nounderscore] #[default]#[fg=colour231,bg=colour240]#W#[nounderscore] #[fg=colour236,reverse]"
fi

# Black on green
tmux set-window-option -g window-status-style none,bg=colour76,fg=black

# Black on white
#tmux set-window-option -g window-status-style bg=colour231,fg=black

# Green more alike non-256color
#tmux set-window-option -g window-status-style bg=colour40

#
# Status bar window last active (Tmux 1.8+)
#

tmux set-window-option -g window-status-last-style none,bg=cyan,fg=black

#
# Status bar window with activity/silence (monitor-activity, monitor-silence)
#

# colour127 is pink
tmux set-window-option -g window-status-activity-style bold,bg=colour127,fg=black

#
# Status bar window with bell triggered
#

# red is urgent
tmux set-window-option -g window-status-bell-style bold,bg=red,fg=black

#
# Status bar window with content found (monitor-content) (Tmux <2.0)
#

#tmux set-window-option -g window-status-content-attr bold #,underscore
#tmux set-window-option -g window-status-content-bg colour226 # Yellow because search highlighting usually is
#tmux set-window-option -g window-status-content-fg black