#!/bin/bash
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#
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#	originally written by: gh0stzk - https://github.com/gh0stzk/dotfiles
#	rewritten for hyprland by :	 develcooking - https://github.com/develcooking/hyprland-dotfiles
#	Info    - This script runs the rofi launcher, to select
#             the wallpapers included in the theme you are in.



# Set some variables
wall_dir="${HOME}/Pictures/wallpapers/"
cacheDir="${HOME}/.cache/images/${theme}"
rofi_command="rofi -x11 -dmenu -theme ${HOME}/.config/rofi/wallSelect.rasi -theme-str ${rofi_override}"

# Create cache dir if not exists
if [ ! -d "${cacheDir}" ] ; then
        mkdir -p "${cacheDir}"
    fi


physical_monitor_size=24
monitor_res=$(hyprctl monitors |grep -A2 Monitor |head -n 2 |awk '{print $1}' | grep -oE '^[0-9]+')
dotsperinch=$(echo "scale=2; $monitor_res / $physical_monitor_size" | bc | xargs printf "%.0f")
monitor_res=$(( $monitor_res * $physical_monitor_size / $dotsperinch ))

rofi_override="element-icon{size:${monitor_res}px;border-radius:0px;}"

# Convert images in directory and save to cache dir
for imagen in "$wall_dir"/*.{jpg,jpeg,png,webp}; do
	if [ -f "$imagen" ]; then
		nombre_archivo=$(basename "$imagen")
			if [ ! -f "${cacheDir}/${nombre_archivo}" ] ; then
				magick convert -strip "$imagen" -thumbnail 500x500^ -gravity center -extent 500x500 "${cacheDir}/${nombre_archivo}"
			fi
    fi
done

# Select a picture with rofi
wall_selection=$(find "${wall_dir}"  -maxdepth 1  -type f \( -iname "*.jpg" -o -iname "*.jpeg" -o -iname "*.png" -o -iname "*.webp" \) -exec basename {} \; | sort | while read -r A ; do  echo -en "$A\x00icon\x1f""${cacheDir}"/"$A\n" ; done | $rofi_command)

# Set the wallpaper
[[ -n "$wall_selection" ]] || exit 1
swww img ${wall_dir}/${wall_selection}

exit 0