#!/usr/bin/env bash

# Set the system-wide monospace font that should be used by the terminal, hyprlock, waybar, swayosd, etc.
# Declarative version for Nomarchy NixOS.

font_name="$1"

if [[ -z $font_name ]]; then
  echo "Usage: nomarchy-font-set <font-name>"
  exit 1
fi

STATE_DIR="$HOME/.config/home-manager"
STATE_FILE="$STATE_DIR/state.json"

mkdir -p "$STATE_DIR"
[[ ! -f $STATE_FILE ]] && echo "{}" > "$STATE_FILE"

if fc-list | grep -iq "$font_name"; then
  TMP_JSON=$(mktemp)
  jq ".font = \"$font_name\"" "$STATE_FILE" > "$TMP_JSON" && mv "$TMP_JSON" "$STATE_FILE"
  echo "Font set to $font_name declaratively. Applying changes..."
  env-update
  
  # Instant feedback for certain apps via IPC
  if pgrep -x kitty; then
    pkill -USR1 kitty
  fi
  if pgrep -x ghostty; then
    pkill -SIGUSR2 ghostty
    notify-send -u low "    You must restart Ghostty to see font change"
  fi
  
  nomarchy-hook font-set "$font_name"
else
  echo "Font '$font_name' not found."
  exit 1
fi