#!/bin/bash

# ─< scriptdir declaration >──────────────────────────────────────────────────────────────
_scripts="$HOME/.config/hypr/.scripts"

# ─< Check if the given command exists silently >─────────────────────────────────────────
command_exists() {
  command -v "$@" >/dev/null 2>&1
}

_wallpaper() {
  if command -v swww >/dev/null 2>&1; then
    if [ -e "$_scripts/random_swww.sh" ]; then
      $_scripts/random_swww.sh
    else
      notify-send -u normal "" "script for initializing wallpaper with swww is missing.."
    fi
  else
    notify-send -u low "" "There may be no wallpaper bc swww is missing!"
  fi
}

_kill_() {
  # ─< Kill already running processes >─────────────────────────────────────────────────────
  hyprpanel="gjs" # since hyprpanel has so many different wordings, making it clear that this is currently the hyprpanel service name
  _ps=(gBar wofi swaync waybar $hyprpanel)
  for _prs in "${_ps[@]}"; do
    if pidof "${_prs}" >/dev/null; then
      pkill "${_prs}"
    fi
  done
}

_redshift() {
  . $_scripts/redshift.sh && notify-send -u low "󰴅" "Redshift active"
}

# ─< Relaunch waybar >────────────────────────────────────────────────────────────────────
pywall_waybar() {
  notify-send -u low "Bar" "waybar is launching with wal.."
  waybar --style $HOME/.config/waybar/pywal_style.css
}

_hyprpanel() {
  notify-send -u low "Bar" "hyprpanel is loading.."
  hyprpanel &
}

_waybar() {
  if command_exists wal; then
    pywall_waybar
  else
    notify-send -u normal "Bar" "waybar is loading.."
    waybar --config $HOME/.config/waybar/ai_config.jsonc --style $HOME/.config/waybar/ai_style.css &
  fi
}

# ─< Relaunch gBar >──────────────────────────────────────────────────────────────────────
_gBar() {
  notify-send -u low "Bar" "gBar is loading.."
  gBar bar 0 &
  gBar bar 1 &
}

_bar() {
  if command_exists hyprpanel; then
    _hyprpanel
  elif command_exists gBar; then
    _gBar
  elif command_exists waybar; then
    _waybar
  else
    notify-send -u critical "ERROR" "No 'bar'-provider found! Install either hyprpanel, gBar or waybar!"
  fi
}

# # for cava-pywal (note, need to manually restart cava once wallpaper changes)
# # ln -sf "$HOME/.cache/wal/cava-colors" "$HOME/.config/cava/config" || true
# if [ -d "$HOME/.cache/wal/" ]; then
#   ln -sf "$HOME/.cache/wal/colors-rofi-dark.rasi" "$HOME/.config/rofi/pywal-color/pywal-theme.rasi" || true
#   if [ -e "$HOME/.config/waybar/pywal.css" ]; then
#     rm $HOME/.config/waybar/pywal.css
#     command cat $HOME/.cache/wal/colors.css >$HOME/.config/waybar/pywal.css
#     # pywall_waybar || _waybar
#     _gBar
#   else
#     # _waybar
#     _gBar
#   fi
# else
#   # _waybar
#   _gBar
#   notify-send -u critical "ERROR" "critical failure! wal is not present!!"
# fi

main() {

  notify-send "low" "terminating main wm elements"
  _kill_

  # relaunch swaync
  sleep 0.3
  # swaync >/dev/null 2>&1 &
  notify-send "low" "bar" "launching.."
  _bar

  notify-send "low" "wallpaper" "loading.."
  _wallpaper

  if command_exists redshift; then
    notify-send "low" "redshift" "protecting your eyes from the blue light.."
    _redshift
  fi

  exit 0
}

main