#!/bin/sh

require() {
  for cmd in "$@"; do
    command -v "$cmd" >/dev/null 2>&1 || {
      echo "theme: missing dependency: $cmd" >&2
      exit 1
    }
  done
}

require gsettings

themes="daylight
midnight"

if [ -n "$1" ]; then
  theme="$1"
else
  case "$(uname)" in
  Linux)
    if [ "$XDG_SESSION_TYPE" = "wayland" ]; then
      require fuzzel
      count="$(printf "%s\n" "$themes" | wc -l)"
      theme="$(printf "%s\n" "$themes" | fuzzel --dmenu --prompt="theme:  " --lines="$count")"
    else
      require dmenu
      theme="$(printf "%s\n" "$themes" | dmenu -p 'select theme: ')"
    fi
    ;;
  Darwin)
    as_list="$(printf "%s\n" "$themes" | awk 'NF{printf "\"%s\",", $0}' | sed 's/,$//')"
    theme="$(
      osascript <<EOF
set theList to {$as_list}
set chosenTheme to (choose from list theList with title "Theme" with prompt "Pick a theme" OK button name "Apply" cancel button name "Cancel" without empty selection allowed)
if chosenTheme is false then
  return ""
else
  return item 1 of chosenTheme
end if
EOF
    )"
    ;;
  *) exit 1 ;;
  esac
fi

[ -z "$theme" ] && exit 1
echo "$themes" | grep -Fxq "$theme" || exit 1

case "$(uname)" in
Linux)
  case "$theme" in
  midnight) gsettings set org.gnome.desktop.interface color-scheme 'prefer-dark' ;;
  daylight) gsettings set org.gnome.desktop.interface color-scheme 'prefer-light' ;;
  esac

  if [ "$XDG_CURRENT_DESKTOP" = "Hyprland" ] && command -v hyprctl >/dev/null 2>&1; then
    case "$theme" in
    midnight)
      hyprctl keyword general:col.active_border "rgb(e0e0e0)"
      hyprctl keyword general:col.inactive_border "rgb(121212)"
      ;;
    daylight)
      hyprctl keyword general:col.active_border "rgb(1a1a1a)"
      hyprctl keyword general:col.inactive_border "rgb(f5f5f5)"
      ;;
    esac

    cfg="${XDG_CONFIG_HOME:-$HOME/.config}"

    waybar_themes="$cfg/waybar/themes"
    [ -f "$waybar_themes/$theme.css" ] && {
      ln -sf "$waybar_themes/$theme.css" "$waybar_themes/theme.css"
      pkill -USR2 waybar
    }


    hypr_themes="$cfg/hypr/themes"
    [ -f "$hypr_themes/$theme.conf" ] && {
      ln -sf "$hypr_themes/$theme.conf" "$hypr_themes/theme.conf"
    }

    sioyek_themes="$cfg/sioyek/themes"
    [ -f "$sioyek_themes/$theme.config" ] && {
      ln -sf "$sioyek_themes/$theme.config" "$sioyek_themes/theme.config"
    }

    fzf_themes="$cfg/fzf/themes"
    [ -f "$fzf_themes/$theme" ] && {
      ln -sf "$fzf_themes/$theme" "$fzf_themes/theme"
    }

    fuzzel_themes="$cfg/fuzzel/themes"
    [ -f "$fuzzel_themes/$theme.ini" ] && {
      ln -sf "$fuzzel_themes/$theme.ini" "$fuzzel_themes/theme.ini"
    }

  fi
  ;;
Darwin)
  case "$theme" in
  daylight) osascript -e 'tell app "System Events" to tell appearance preferences to set dark mode to false' 2>/dev/null || true ;;
  midnight) osascript -e 'tell app "System Events" to tell appearance preferences to set dark mode to true' 2>/dev/null || true ;;
  esac
  ;;
esac

if [ -n "$TMUX" ]; then
  tmux_themes="${XDG_CONFIG_HOME:-$HOME/.config}/tmux/themes"
  [ -f "$tmux_themes/$theme.conf" ] && tmux source "$tmux_themes/$theme.conf"
  tmux setenv -g THEME "$theme"
fi

if command -v claude >/dev/null 2>&1 && command -v jq >/dev/null 2>&1; then
  CLAUDE_CONFIG="${CLAUDE_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/claude}/.claude.json"
  case "$theme" in
  midnight) claude_theme='dark' ;;
  daylight) claude_theme='light' ;;
  esac
  [ -f "$CLAUDE_CONFIG" ] && {
    jq ".theme=\"$claude_theme\"" "$CLAUDE_CONFIG" > "$CLAUDE_CONFIG.tmp" &&
    mv "$CLAUDE_CONFIG.tmp" "$CLAUDE_CONFIG"
  }
fi

for socket in /run/user/"$(id -u)"/nvim.*.0 /tmp/nvim-*.sock; do
  [ -S "$socket" ] && nvim --server "$socket" --remote-expr "luaeval('require(\"config.fzf_reload\").reload()')" 2>/dev/null || true
done