{
  lib,
  pkgs,
  config,
  ...
}:
let
  cfg = config.home.dev;
in
{
  options = {
    home.dev = {
      enable = lib.mkOption {
        type = lib.types.bool;
        default = false;
        description = "Development settings.";
      };
      additionalDevPackages = lib.mkOption {
        type = lib.types.listOf lib.types.package;
        default = [ ];
        description = "Development additional packages: cli/tui/utils";
      };

      git = {
        enable = lib.mkOption {
          type = lib.types.bool;
          default = false;
          description = "Git settings.";
        };
        userName = lib.mkOption {
          type = lib.types.str;
          default = config.home.username;
          description = "Git user name.";
        };
        userEmail = lib.mkOption {
          type = lib.types.str;
          default = "";
          description = "Git user email.";
        };
      };

      python = {
        enable = lib.mkOption {
          type = lib.types.bool;
          default = false;
          description = "Python base settings & packages.";
        };
        packages = lib.mkOption {
          type = lib.types.listOf lib.types.package;
          default = [
            pkgs.python314
            pkgs.uv
          ];
          description = "List of user python packages.";
        };
      };

      rust = {
        enable = lib.mkOption {
          type = lib.types.bool;
          default = false;
          description = "Rust base settings & packages.";
        };
        packages = lib.mkOption {
          type = lib.types.listOf lib.types.package;
          default = [
            pkgs.gcc
            pkgs.cargo
            pkgs.rustc
          ];
          description = "List of user rust packages.";
        };
      };
      terminal = {
        enable = lib.mkOption {
          type = lib.types.bool;
          default = false;
          description = "Terminal settings & other stuff.";
        };
        shell = lib.mkOption {
          type = lib.types.str;
          default = if cfg.terminal.zsh.enable then "zsh" else "bash";
          description = "Change standart shell for kitty";
        };
        aliases = lib.mkOption {
          type = lib.types.attrsOf lib.types.str;
          default = {
            gc = "sudo nix-collect-garbage -d";
            dev = "nix develop --command ${cfg.terminal.shell}";
            "..." = "cd ../..";
          };
          description = "Terminal aliases.";
        };
        kitty.enable = lib.mkOption {
          type = lib.types.bool;
          default = false;
          description = "Configure kitty - terminal emulator.";
        };
        zsh = {
          enable = lib.mkOption {
            type = lib.types.bool;
            default = false;
            description = "Configure zsh - terminal shell.";
          };
          oh-my-zsh = {
            enable = lib.mkOption {
              type = lib.types.bool;
              default = false;
              description = "Configure oh-my-zsh.";
            };
            plugins = lib.mkOption {
              type = lib.types.listOf lib.types.str;
              default = [ ];
              description = "Plugins for oh-my-zsh";
            };
          };
        };
      };
    };
  };

  config = lib.mkIf cfg.enable {
    programs.git = lib.mkIf cfg.git.enable {
      enable = true;
      package = pkgs.gitAndTools.gitFull;
      userName = cfg.git.userName;
      userEmail = cfg.git.userEmail;
      lfs.enable = true;
      aliases = {
        aa = "add --all";
        c = "commit";
        cm = "commit -m";
        br = "branch";
        s = "status";
        uncommit = "reset --soft HEAD^";
        unadd = "reset";
        d = "diff";
        ds = "diff --staged";
      };
      extraConfig = {
        init = {
          defaultbranch = "main";
        };
        branch = {
          soft = "-committerdate";
        };
        pull.rebase = true;
      };
    };

    programs.kitty = lib.mkIf cfg.terminal.kitty.enable {
      enable = true;
      package = pkgs.kitty;
      shellIntegration = lib.mkIf (cfg.terminal.shell == "zsh") {
        enableZshIntegration = true;
      };
      settings = {
        shell = cfg.terminal.shell;
        confirm_os_window_close = 0;
        enable_audio_bell = false;
        scrollback_lines = 10000;
        mouse_hide_wait = "-1.0";
      };
      keybindings = {
        "ctrl+=" = "increase_font_size";
        "ctrl+-" = "decrease_font_size";
      };
    };

    programs.zsh = lib.mkIf cfg.terminal.zsh.enable {
      enable = true;
      package = pkgs.zsh;
      autocd = true;
      autosuggestion = {
        enable = true;
        strategy = [ "history" ];
      };
      history = {
        saveNoDups = true;
        size = 10000;
        save = 10000;
      };
      oh-my-zsh = lib.mkIf cfg.terminal.zsh.oh-my-zsh.enable {
        enable = true;
        plugins = cfg.terminal.zsh.oh-my-zsh.plugins;
      };
      syntaxHighlighting = {
        enable = true;
      };
      shellAliases = cfg.terminal.aliases;
    };

    home.packages =
      cfg.additionalDevPackages
      ++ lib.optionals cfg.python.enable cfg.python.packages
      ++ lib.optionals cfg.rust.enable cfg.rust.packages;
  };
}