#!/usr/bin/env bash

# Original script based on some early version of https://github.com/moverest/sway-interactive-screenshot
# modified for use with key bindings. For now supports sway & Hyprland.

SWAY=$(echo "$SWAYSOCK")
HYPR=$(echo "$HYPRLAND_INSTANCE_SIGNATURE")
if [[ -n "$SWAY" && -n "$HYPR" ]]; then
    echo "This script only works on sway or Hyprland, terminating.";
    exit 1
fi

list_geometry()
{
    swaymsg -t get_tree | jq -r '.. | try select(.'"$1"' and .pid) | "\(.rect.x),\(.rect.y) \(.rect.width)x\(.rect.height)''"'
}

list_geometry_hypr()
{
    hyprctl -j activewindow | jq -r '"\(.at[0]),\(.at[1]) \(.size[0])x\(.size[1])''"'
}

CHOICE=$1

# Since the script errors out when a $CHOICE isn't supplied
if [[ -z "$CHOICE" ]]; then
  echo "Usage: $0 [fullscreen|region|focused|display|swappy]"
  exit 1
fi

DIR=${SCREENSHOT_DIR:=$HOME/Screenshots}

mkdir -p "$DIR"

if [[ -n "$SWAY" ]]; then
    FOCUSED=$(list_geometry focused)
    FILENAME="${DIR/#\~/$HOME}/$(date +'%Y-%m-%d-%H%M%S_sway_screenshot.png')"
    case $CHOICE in
        fullscreen) grim "$FILENAME" ;;
        region)     grim -g "$(slurp)" "$FILENAME" ;;
        focused)    grim -g "$FOCUSED" "$FILENAME" ;;
        display)    grim -o "$(swaymsg -t get_outputs | jq -r '.[] | select(.focused) | .name')" "$FILENAME" ;;
        swappy)     grim -g "$(slurp)" - | swappy -f - ;;
    esac
fi

if [[ -n "$HYPR" ]]; then
    FOCUSED=$(list_geometry_hypr)
    FILENAME="${DIR/#\~/$HOME}/$(date +'%Y-%m-%d-%H%M%S_hypr_screenshot.png')"
    case $CHOICE in
        fullscreen) grim "$FILENAME" ;;
        region)     grim -g "$(slurp)" "$FILENAME" ;;
        focused)    grim -g "$FOCUSED" "$FILENAME" ;;
        display)    grim -o "$(hyprctl -j monitors | jq -r '.[] | select(.focused) | .name')" "$FILENAME" ;;
        swappy)     grim -g "$(slurp)" - | swappy -f - ;;
    esac
fi

if [ "$CHOICE" != "swappy" ]; then
        wl-copy < "$FILENAME"
        notify-send "Screenshot" "File saved as <i>'$FILENAME'</i> and copied to the clipboard." -i "$FILENAME"
fi