{
  inputs,
  config,
  lib,
  ...
}:
let
  cfg = config.hm.env.otter;
in
{
  imports = [ inputs.otter-launcher.homeModules.otter-launcher ];

  options.hm.env.otter.enable = lib.mkEnableOption "enables otter launcher";
  config = lib.mkIf cfg.enable {
    programs.otter-launcher = {
      enable = true;
      # settings = {
      #   interface = {
      #     suggestion_mode = "list";
      #   };
      # };
      settingsExtra = ''
        [general]
        default_module = "gg" # module to run when no prefix is matched
        empty_module = "app" # run with an empty prompt
        exec_cmd = "sh -c" # exec command of your shell
        # for example: "bach -c" for bash; "zsh -c" for zsh; also accept wm commands like "hyprctl dispatch exec"
        vi_mode = false # set true to use vi keybinds, false emacs keybinds
        esc_to_abort = true # useful for vi users
        cheatsheet_entry = "?" # when prompted, will show a list of configured modules
        cheatsheet_viewer = "less -R; clear" # command to show cheatsheet; through piping stdout
        clear_screen_after_execution = false
        loop_mode = false # don't quit after executing a module, useful with scratchpads; stderr is hidden in loop mode
        external_editor = "vi" # if set, press ctrl+x ctrl+ee (or v in vi normal mode) to edit prompt in the specified program
        delay_startup = 0 # sometimes the otter runs too fast even before the terminal window is ready; this slows it down by milliseconds; useful when chafa image is skewed
        #callback = "" # if set, will run after module execution; for example, calling swaymsg to adjust window size


        # ANSI color codes are allowed. However, \x1b should be replaced with \u001B, because the rust toml crate cannot read \x as an escaped character
        [interface]
        # use three quotes to write longer codes
        header = """
          \u001B[34;1m$USER@$(printf $HOSTNAME)\u001B[0m     \u001B[31m\u001B[0m $(mpstat | awk 'FNR ==4 {print $4}')
          """
        header_cmd = "" # run a command and print stdout above the header
        header_cmd_trimmed_lines = 0 # remove trailing lines from header_cmd output, in case of some programs appending excessive empty lines
        place_holder = "otterly awesome" # at the input field
        suggestion_mode = "list" # available options: list, hint
        separator = "                  \u001B[90mmodules ────────────────" # add a line between intput field and suggestion list; only effective in list mode
        footer = "" # add a line after suggestion list
        suggestion_lines = 3 # 0 to disable suggestions and tab completion
        list_prefix = "  "
        selection_prefix = "\u001B[31;1m▌ "
        prefix_padding = 3 # format prefixes to have a uniformed width
        default_module_message = "  \u001B[33msearch\u001B[0m the internet" # shown when the default module is in use
        empty_module_message = "" # shown when the empty module is in use
        customized_list_order = false # false to list modules alphabetically; true to list as per the configured order in the below [[modules]] section
        indicator_with_arg_module = "" # the sign showing whether a module should run with an argument
        indicator_no_arg_module = ""
        # below color options affect all modules; per-module coloring can be configured using ansi codes individually
        prefix_color = "\u001B[33m"
        description_color = "\u001B[39m"
        place_holder_color = "\u001B[30m"
        hint_color = "\u001B[30m" # suggestion color in hint mode
        # move the interface rightward or downward
        move_interface_right = 16
        move_interface_down = 1


        # overlay is a floating layer that can be printed with stdout and moved around; useful for integrating chafa images
        [overlay]
        overlay_cmd = """
        """
        overlay_height = 0


        # modules are defined as followed
        [[modules]]
        description = "google search"
        prefix = "gg"
        cmd = "xdg-open https://www.google.com/search?q='{}'"
        with_argument = true # if true, {} in cmd will be replaced with user input. if not explicitly set, taken as false.
        url_encode = true # should be true when calling webpages; this ensures special characters in url being readable to browsers; taken as false if not explicitly set
        unbind_proc = true # run cmd in a forked shell as opposed to as a child process (simply by prepending setsid -f to the configured cmd); useful for launching gui programs; taken as false if not explicitly set; try wm's exec command for unbinding if this option goes wrong (like swaymsg exec)

        # fzf is needed to run below functions
        [[modules]]
        description = "desktop programs"
        prefix = "app"
        cmd = """
        desktop_file() {
        find /usr/share/applications -name "*.desktop" 2>/dev/null
        find /usr/local/share/applications -name "*.desktop" 2>/dev/null
        find "$HOME/.local/share/applications" -name "*.desktop" 2>/dev/null
        find /var/lib/flatpak/exports/share/applications -name "*.desktop" 2>/dev/null
        find "$HOME/.local/share/flatpak/exports/share/applications" -name "*.desktop" 2>/dev/null
        }
        selected="$(desktop_file | awk -F/ '{name=$NF; sub(/\\.desktop$/, "", name); print name}' | sort -k1,1 | cut -f2- | fzf --reverse --padding 1,3 --info-command 'echo -e " desktop apps ($FZF_POS/$FZF_TOTAL_COUNT)"' --cycle --gutter " " --pointer " ▌" --color "bg+:-1,pointer:1,info:8,separator:8,scrollbar:0" --prompt '  ' -m -d / --with-nth -1 )"
        [ -z "$selected" ] && exit
        echo "$selected" | while read -r line ; do setsid -f gtk-launch "$(basename $line)"; done
        """

        [[modules]]
        description = "power menu (fzf)"
        prefix = "po"
        cmd = """
        function power {
        if [[ -n $1 ]]; then
        case $1 in
        "logout") session=`loginctl session-status | head -n 1 | awk '{print $1}'`; loginctl terminate-session $session ;;
        "suspend") systemctl suspend ;;
        "hibernate") systemctl hibernate ;;
        "reboot") systemctl reboot ;;
        "shutdown") systemctl poweroff ;;
        esac fi }
        power $(echo -e 'reboot\nshutdown\nlogout\nsuspend\nhibernate' | fzf --reverse --padding 1,2 --info-command 'printf " power menu ($FZF_POS/$FZF_TOTAL_COUNT)"' --cycle --gutter " " --pointer " ▌" --color "bg+:-1,pointer:1,info:8,separator:8,scrollbar:0" --prompt '  ' | tail -1)
        """

        [[modules]]
        description = "run commands"
        prefix = "sh"
        cmd = """
        $(printf $TERM | sed 's/xterm-//g') -e sh -c "{}"
        """
        with_argument = true
        unbind_proc = true

        [[modules]]
        description = "search archwiki"
        prefix = "aw"
        cmd = "xdg-open https://wiki.archlinux.org/index.php?search='{}'"
        with_argument = true
        url_encode = true
        unbind_proc = true

        [[modules]]
        description = "search packages"
        prefix = "pac"
        cmd = "xdg-open https://archlinux.org/packages/?q='{}'"
        with_argument = true
        url_encode = true
        unbind_proc = true

        [[modules]]
        description = "search the AUR"
        prefix = "aur"
        cmd = "xdg-open https://aur.archlinux.org/packages?K='{}'"
        with_argument = true
        url_encode = true
        unbind_proc = true

        [[modules]]
        description = "cambridge dict"
        prefix = "dc"
        cmd = "xdg-open 'https://dictionary.cambridge.org/dictionary/english/{}'"
        with_argument = true
        url_encode = true
        unbind_proc = true

        [[modules]]
        description = "open files (fzf)"
        prefix = "fo"
        cmd = """
        find $HOME -type f -not -path '*/.cache/*' 2>/dev/null | fzf --reverse --padding 1,3 --info-command 'printf " files ($FZF_POS/$FZF_TOTAL_COUNT)"' --cycle --gutter ' ' --pointer ' ▌' --color 'bg+:-1,pointer:1,info:8,separator:8,scrollbar:0' --prompt '  ' | setsid -f xargs -r -I [] xdg-open '[]'
        """

        [[modules]]
        description = "open dirs (yazi)"
        prefix = "yz"
        cmd = """
        find $HOME -type d -not -path '*/.cache/*' 2>/dev/null | fzf --reverse --padding 1,3 --info-command 'printf " directories ($FZF_POS/$FZF_TOTAL_COUNT)"' --cycle --gutter ' ' --pointer ' ▌' --color 'bg+:-1,pointer:1,info:8,separator:8,scrollbar:0' --prompt '  ' | xargs -r -I [] setsid -f "$(echo $TERM | sed 's/xterm-//g')" -e yazi '[]'
        """

        [[modules]]
        description = "ChatGPT prompt"
        prefix = "gpt"
        with_argument = true
        unbind_proc = true
        cmd = """
        function chat {
          encoded="$(jq -sRr @uri)"
          exec xdg-open "https://chat.openai.com/?prompt=$encoded"
        }
        chat <<'EOF'
        {}
        EOF
        """
      '';
    };
  };
}