#!/usr/bin/env bash

set -e

handle_event() {
  case $1 in
    focusedmon*\
      |workspace*\
      |openwindow*\
      |closewindow*) list_workspaces;;
  esac
}

list_workspaces() {
  focused=`hyprctl activeworkspace -j | jq '.id'`
  active=`hyprctl monitors -j | jq 'map(select(.name == "'$monitor'")) | .[0].activeWorkspace.id'`
  # Explanation
  # 1. Select only workspaces on the current monitor.
  # 2. Remove duplicates (might be a bug with split-monitor-workspaces
  # 3. Create the output structure
  # 5. Sort
  hyprctl workspaces -j | jq --compact-output --monochrome-output "
    map( select( .monitor | contains(\"${monitor}\") ) ) |
    reduce .[] as \$item ( []; if any( .[]; .id == \$item.id ) then . else . + [\$item] end ) |
    map( { id: .id, name, active: (.id == ${active}), focused: (.id == ${focused}), has_windows: (.lastwindowtitle != \"\") } ) |
    sort_by(.id)
  "

  # Other lines that may be useful in the future
  # - Select interesting entries, ones that are focused, active or have windows
  #   map( select (.active or .focused or .has_windows))
}

monitor=$1

# List all workspaces once at the start
list_workspaces

# Then listen for events
socat -U - "UNIX-CONNECT:$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock" | while read -r event; do handle_event "$event"; done