#!/usr/bin/env bash

echo "Entourage: $XDG_RUNTIME_DIR - $DWL_TAGS_FILE" >> $DWL_LOG_FILE

NUM_DISPS=$(wlr-randr | egrep "^\w+" | wc -l)
echo "Entourage: Configuring ${NUM_DISPS} displays" >> $DWL_LOG_FILE

if [[ $NUM_DISPS > 1 ]]; then
    # Dual screen
    wlr-randr --output HDMI-A-1 --on --pos 0,0 --output eDP-1 --on --pos 0,1050
else
    # Single laptop screen
    wlr-randr --output HDMI-A-1 --off --output eDP-1 --on --pos 0,0
fi

# ----------------------------------------------------------
# Let DWL start
# ----------------------------------------------------------
while [ ! -e "$XDG_RUNTIME_DIR/wayland-0.lock" ]
do
    echo "DWL getting ready..." >> $DWL_LOG_FILE
    sleep 1
done
echo "DWL ready!" >> $DWL_LOG_FILE
echo "Entourage: " $DWL_TAGS_FILE >> $DWL_LOG_FILE

DISPLAYS=$(wlr-randr | perl -ne 'print "$1 " if /^([\w-]+)/')
DISP_NUM=$(expr 0)
for DISP in $DISPLAYS; do
    DISP_NUM=$(expr $DISP_NUM + 1)
    TF=${DWL_TAGS_FILE}.${DISP}
    # ----------------------------------------------------------
    # Top bar for displaying DWL tags
    # ----------------------------------------------------------
    # Dependency - needs inotify-tools package
    echo "Entourage: Monitor - ${DISP_NUM} ${DISP}, new tags file " ${TF} >> $DWL_LOG_FILE
    touch ${TF}
    inotifywait -q -m -e close_write ${TF} |
        (cat ${TF} ;
        while read -r filename event; do
            cat ${TF}
        done) | dtao -z -z -xs ${DISP_NUM} -ta l -tw 100 -expand r -h 22 -fn 'Iosevka Term:style=Regular:size=12' &

    # ----------------------------------------------------------
    # Bottom bar for displaying context information
    # ----------------------------------------------------------
    (conky -c ~/.conkyrc) | dtao -xs ${DISP_NUM} -ta r -tw 100 -expand l -h 22 -fn 'Iosevka Term:style=Regular:size=12' &
done

# ----------------------------------------------------------
# Background
# ----------------------------------------------------------
swaybg --mode fill --image ~/.config/wallpaper.jpg &

# ----------------------------------------------------------
# Redirect STDIN to STDOUT and pass along to tags script
# ----------------------------------------------------------
(while read line
do
    echo $line
done) | dwltags.pl --file $DWL_TAGS_FILE