#!/usr/bin/env sh


# read control file and initialize variables

export scrDir="$(dirname "$(realpath "$0")")"
source "${scrDir}/globalcontrol.sh"
waybar_dir="${confDir}/waybar"
modules_dir="$waybar_dir/modules"
conf_file="$waybar_dir/config.jsonc"
conf_ctl="$waybar_dir/config.ctl"

readarray -t read_ctl < $conf_ctl
num_files="${#read_ctl[@]}"
switch=0


# update control file to set next/prev mode

if [ $num_files -gt 1 ]
then
    for (( i=0 ; i<$num_files ; i++ ))
    do
        flag=`echo "${read_ctl[i]}" | cut -d '|' -f 1`
        if [ $flag -eq 1 ] && [ "$1" == "n" ] ; then
            nextIndex=$(( (i + 1) % $num_files ))
            switch=1
            break;

        elif [ $flag -eq 1 ] && [ "$1" == "p" ] ; then
            nextIndex=$(( i - 1 ))
            switch=1
            break;
        fi
    done
fi

if [ $switch -eq 1 ] ; then
    update_ctl="${read_ctl[nextIndex]}"
    reload_flag=1
    sed -i "s/^1/0/g" $conf_ctl
    awk -F '|' -v cmp="$update_ctl" '{OFS=FS} {if($0==cmp) $1=1; print$0}' $conf_ctl > $waybar_dir/tmp && mv $waybar_dir/tmp $conf_ctl
fi


# overwrite config from header module

export set_sysname=`hostnamectl hostname`
export w_position=`grep '^1|' $conf_ctl | cut -d '|' -f 3`

# setting explicit waybar output

if [ ${#waybar_output[@]} -gt 0 ]; then
w_output=$(printf '"%s", ' "${waybar_output[@]}")
w_output=${w_output%, }  # Remove the trailing comma and space
echo "[outputs] $w_output"
fi
export w_output="${w_output:-\"*\"}"

# setting waybar position

case ${w_position} in
    left) export hv_pos="width" ; export r_deg=90 ;;
    right) export hv_pos="width" ; export r_deg=270 ;;
    *) export hv_pos="height" ; export r_deg=0 ;;
esac

export w_height=`grep '^1|' $conf_ctl | cut -d '|' -f 2`
if [ -z $w_height ] ; then
    y_monres=`cat /sys/class/drm/*/modes | head -1 | cut -d 'x' -f 2`
    export w_height=$(( y_monres*2/100 ))
fi

export i_size=$(( w_height*6/10 ))
if [ $i_size -lt 12 ] ; then
    export i_size="12"
fi

export i_theme="$(
{ grep -q "^[[:space:]]*\$ICON[-_]THEME\s*=" "${hydeThemeDir}/hypr.theme" && grep "^[[:space:]]*\$ICON[-_]THEME\s*=" "${hydeThemeDir}/hypr.theme" | cut -d '=' -f2 | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' ;} ||
grep 'gsettings set org.gnome.desktop.interface icon-theme' "${hydeThemeDir}/hypr.theme" | awk -F "'" '{print $((NF - 1))}'
)"
export i_task=$(( w_height*6/10 ))
if [ $i_task -lt 16 ] ; then
    export i_task="16"
fi
export i_priv=$(( w_height*6/13 ))
if [ $i_priv -lt 12 ] ; then
    export i_priv="12"
fi

envsubst < $modules_dir/header.jsonc > $conf_file


# module generator function

gen_mod()
{
    local pos=$1
    local col=$2
    local mod=""

    mod=`grep '^1|' $conf_ctl | cut -d '|' -f ${col}`
    mod="${mod//(/"custom/l_end"}"
    mod="${mod//)/"custom/r_end"}"
    mod="${mod//[/"custom/sl_end"}"
    mod="${mod//]/"custom/sr_end"}"
    mod="${mod//\{/"custom/rl_end"}"
    mod="${mod//\}/"custom/rr_end"}"
    mod="${mod// /"\",\""}"

    echo -e "\t\"modules-${pos}\": [\"custom/padd\",\"${mod}\",\"custom/padd\"]," >> $conf_file
    write_mod=`echo $write_mod $mod`
}


# write positions for modules

echo -e "\n\n// positions generated based on config.ctl //\n" >> $conf_file
gen_mod left 4
gen_mod center 5
gen_mod right 6


# copy modules/*.jsonc to the config

echo -e "\n\n// sourced from modules based on config.ctl //\n" >> $conf_file
echo "$write_mod" | sed 's/","/\n/g ; s/ /\n/g' | awk -F '/' '{print $NF}' | awk -F '#' '{print}' | awk '!x[$0]++' | while read mod_cpy
do
    if [ -f $modules_dir/$mod_cpy.jsonc ] ; then
        envsubst < $modules_dir/$mod_cpy.jsonc >> $conf_file
    fi
done

cat $modules_dir/footer.jsonc >> $conf_file


# generate style

$scrDir/wbarstylegen.sh


# restart waybar

if [ "$reload_flag" == "1" ] ; then
    killall waybar
    waybar --config ${waybar_dir}/config.jsonc --style ${waybar_dir}/style.css > /dev/null 2>&1 &
fi