{ config, pkgs, ... }:

let
  palettes = import ../../themes/nomarchy-palettes.nix;
  themeNames = builtins.attrNames palettes;
  themeList = builtins.concatStringsSep "\\n" themeNames;

  nomarchy-theme-selector = pkgs.writeShellScriptBin "nomarchy-theme-selector" ''
    STATE_DIR="$HOME/.config/home-manager"
    THEME_STATE_FILE="$STATE_DIR/theme-state.nix"
    WALLPAPER_STATE_FILE="$STATE_DIR/wallpaper-state.nix"
    if [ -d "/etc/nixos/nomarchy/themes" ]; then
      THEMES_DIR="/etc/nixos/nomarchy/themes"
    elif [ -d "/etc/nomarchy/themes" ]; then
      THEMES_DIR="/etc/nomarchy/themes"
    else
      THEMES_DIR="/etc/nixos/themes"
    fi # This depends on where the repo is cloned
    
    mkdir -p "$STATE_DIR"
    
    SELECTED_THEME=$(echo -e "${themeList}" | walker --dmenu)
    
    if [ -n "$SELECTED_THEME" ]; then
      echo "$SELECTED_THEME" > "$THEME_STATE_FILE"
      
      # Try to find a background for this theme
      BG_DIR="$THEMES_DIR/$SELECTED_THEME/backgrounds"
      if [ -d "$BG_DIR" ]; then
        BG=$(ls "$BG_DIR" | head -n 1)
        if [ -n "$BG" ]; then
          echo "$BG_DIR/$BG" > "$WALLPAPER_STATE_FILE"
          swww img "$BG_DIR/$BG" --transition-type outer --transition-pos 0.85,0.97 --transition-step 90 &
        fi
      fi
      
      env-update
    fi
  '';
  nomarchy-font-selector = pkgs.writeShellScriptBin "nomarchy-font-selector" ''
    STATE_DIR="$HOME/.config/home-manager"
    STATE_FILE="$STATE_DIR/font-state.nix"
    
    mkdir -p "$STATE_DIR"
    
    # Simple list of common nerd fonts, could be expanded
    FONTS="JetBrainsMono Nerd Font\nRobotoMono Nerd Font\nFiraCode Nerd Font\nUbuntuMono Nerd Font"
    SELECTED_FONT=$(echo -e "$FONTS" | walker --dmenu)
    
    if [ -n "$SELECTED_FONT" ]; then
      echo "$SELECTED_FONT" > "$STATE_FILE"
      env-update
    fi
  '';
  nomarchy-wallpaper-selector = pkgs.writeShellScriptBin "nomarchy-wallpaper-selector" ''
    STATE_DIR="$HOME/.config/home-manager"
    WALLPAPER_STATE_FILE="$STATE_DIR/wallpaper-state.nix"
    if [ -d "/etc/nixos/nomarchy/themes" ]; then
      THEMES_DIR="/etc/nixos/nomarchy/themes"
    elif [ -d "/etc/nomarchy/themes" ]; then
      THEMES_DIR="/etc/nomarchy/themes"
    else
      THEMES_DIR="/etc/nixos/themes"
    fi
    
    mkdir -p "$STATE_DIR"
    
    # List all images in all themes backgrounds
    WALLPAPERS=$(find "$THEMES_DIR" -type f \( -name "*.jpg" -o -name "*.png" \))
    SELECTED_WP=$(echo -e "$WALLPAPERS" | walker --dmenu)
    
    if [ -n "$SELECTED_WP" ]; then
      echo "$SELECTED_WP" > "$WALLPAPER_STATE_FILE"
      swww img "$SELECTED_WP" --transition-type outer --transition-pos 0.85,0.97 --transition-step 90 &
      env-update
    fi
  '';
in
{
  home.packages = [ nomarchy-theme-selector nomarchy-font-selector nomarchy-wallpaper-selector ];
}