#!/bin/bash

# Created By: srdusr
# Created On: Tue 07 Mar 2023 15:06:47 PM CAT
# Project: Agnostic dropdown/scratchpad terminal that works on most window managers


# List of supported terminals with dropdown class
supported_terminals=(
  "wezterm"
  "kitty"
  "alacritty"
)

# Check if any of the supported terminals with dropdown class are running
for term in "${supported_terminals[@]}"; do
  if pgrep -f "$term.*--class dropdown" > /dev/null; then
    my_term="$term"
    break
  fi
done

# If none of the supported terminals are running, start the first available one
if [ -z "$my_term" ]; then
  for term in "${supported_terminals[@]}"; do
    if command -v "$term" > /dev/null 2>&1; then
      my_term="$term"
      break
    fi
  done
  if [ -z "$my_term" ]; then
    echo "No supported terminal found."
    exit 1
  fi

  # Start the terminal with dropdown class
  case "$my_term" in
    "wezterm")
      wezterm start --class dropdown -e tmux new-session -A -s dropdown -e bash > /dev/null 2>&1 &
      ;;
    "kitty")
      kitty --class dropdown tmux new-session -A -s dropdown -e bash > /dev/null 2>&1 &
      ;;
    "alacritty")
      alacritty --class dropdown -e tmux new-session -A -s dropdown -e bash > /dev/null 2>&1 &
      ;;
  esac
fi

# Get the window ID of the dropdown terminal
id="$(xdo id -N dropdown)"

# Toggle the visibility of the dropdown terminal
if [ -n "$id" ]; then
  if xwininfo -id "$id" | grep "Map State: IsViewable" > /dev/null; then
    # The dropdown window is visible, so hide it
    dimensions="$(xwininfo -id "$id" | awk '/Width:|Height:/ { printf("%s=%s;", tolower($1), $2) }')"
    xdo hide "$id"
  else
    # The dropdown window is hidden, so show it
    xdo show "$id"
    # Restore the dimensions of the window
    xdotool windowsize "$id" "$(echo "$dimensions" | tr ';' ' ')"
  fi
fi