#!/bin/bash

# omarchy:summary=Set the system monospace font
# omarchy:args=<font-name>
# omarchy:examples=omarchy font list | omarchy font set "CaskaydiaMono Nerd Font"

usage() {
  echo "Usage: omarchy-font-set <font-name>"
}

font_name="${1:-}"
omarchy_root="${OMARCHY_PATH:-/usr/share/omarchy}"

case "$font_name" in
  -h|--help)
    usage
    exit 0
    ;;
  "")
    usage >&2
    exit 1
    ;;
esac

if ! fc-list | grep -Fqi -- "$font_name"; then
  echo "Font '$font_name' not found."
  exit 1
fi

if [[ -f ~/.config/alacritty/alacritty.toml ]]; then
  sed -i "s/family = \".*\"/family = \"$font_name\"/g" ~/.config/alacritty/alacritty.toml
fi

if [[ -f ~/.config/kitty/kitty.conf ]]; then
  sed -i "s/^font_family .*/font_family $font_name/g" ~/.config/kitty/kitty.conf
  pkill -USR1 kitty
fi

if [[ -f ~/.config/ghostty/config ]]; then
  sed -i "s/font-family = \".*\"/font-family = \"$font_name\"/g" ~/.config/ghostty/config
  pkill -SIGUSR2 ghostty
fi

if [[ -f ~/.config/foot/foot.ini ]]; then
  sed -i "s/^font=.*/font=$font_name:size=9/g" ~/.config/foot/foot.ini
fi

# fontconfig is the canonical source of truth — the omarchy shell, Qt apps,
# and anything resolving "monospace" all read from here. The shipped default
# is package-owned; create a user override only when the user changes fonts.
fontconfig_file="$HOME/.config/fontconfig/fonts.conf"
if [[ ! -f $fontconfig_file ]]; then
  fontconfig_default="$omarchy_root/default/fontconfig/conf.avail/50-omarchy.conf"
  if [[ ! -f $fontconfig_default ]]; then
    echo "Default fontconfig file not found: $fontconfig_default" >&2
    exit 1
  fi
  mkdir -p "$(dirname "$fontconfig_file")"
  cp "$fontconfig_default" "$fontconfig_file"
fi

# We own the markup in 50-omarchy.conf, so the monospace block is predictable:
# the <string>FAMILY</string> immediately after <string>monospace</string> is
# the family we're replacing.
tmp=$(mktemp)
if ! awk -v new_font="$font_name" '
  in_mono && /<string>[^<]*<\/string>/ {
    sub(/<string>[^<]*<\/string>/, "<string>" new_font "</string>")
    in_mono = 0
  }
  /<string>monospace<\/string>/ { in_mono = 1 }
  { print }
' "$fontconfig_file" >"$tmp"; then
  rm -f "$tmp"
  echo "Failed to update $fontconfig_file" >&2
  exit 1
fi
mv "$tmp" "$fontconfig_file"

omarchy-restart-shell

if pgrep -x ghostty; then
  omarchy-notification-send -g  "You must restart Ghostty to see font change"
fi

if pgrep -x foot; then
  omarchy-notification-send -g  "You must restart Foot to see font change"
fi

omarchy-hook font-set "$font_name"