{ config, pkgs, ... }:

{
  home.packages = with pkgs; [ zsh-powerlevel10k fzf fd eza zoxide ];

  programs.zsh = {
    enable = true;

    autocd = true;
    enableCompletion = true;
    autosuggestion.enable = true;
    syntaxHighlighting.enable = true;

    history = {
      append = true;
      ignoreAllDups = true;
      ignoreDups = true;
      saveNoDups = true;
    };

    plugins = with pkgs; [
      {
        file = "powerlevel10k.zsh-theme";
        name = "powerlevel10k";
        src = "${zsh-powerlevel10k}/share/zsh-powerlevel10k";
      }
      {
        file = "p10k.zsh";
        name = "powerlevel10k-config";
        src = ./p10k.zsh;
      }
    ];

    oh-my-zsh = {
      enable = true;
      plugins = [
        "git"
        "python"
        "ssh"
        "eza"
        "zoxide"
        "fzf"
        "command-not-found"
        "colored-man-pages"
      ];
    };

    shellAliases = {
      ll = "ls -lh";
      la = "ls -la";
      ".." = "cd ..";
      "..." = "cd ../..";

      c = "clear";
      addpath = "export PATH=$PATH:$1";
      tree = "eza --tree";

      gitpa = ''f() { git add -A && git commit -m "$1" && git push; }; f'';

      home-cnfg = "nvim ~/.config/home-manager/home.nix";
      home-rr = "home-manager switch";
      cnfg = "sudo nvim /nixos/configuration.nix";
      rr = "sudo nixos-rebuild switch";

      amnezia = ''
                (pgrep -x ".AmneziaVPN-ser" > /dev/null 2>&1 || sudo AmneziaVPN-service > /dev/null 2>&1 &) &
        AmneziaVPN > /dev/null 2>&1 &
      ''; # i don't know any good ways for it.
    };

    initContent = ''
      zstyle ':omz:plugins:eza' 'git-status' yes
      zstyle ':omz:plugins:eza' 'header' yes
      zstyle ':omz:plugins:eza' 'icons' yes

      ZOXIDE_CMD_OVERRIDE=cd

      ### --- COMPLETION TUNING -----------------------------
      autoload -Uz compinit && compinit
      zstyle ':completion:*' menu select
      zstyle ':completion:*' list-colors ""

      ### --- KEYBINDINGS ----------------------------------
      # bindkey -e # Emacs-style bindings
      # bindkey -v # Vim-style bindings

      ### --- ENVIRONMENT VARS ------------------------------
      export EDITOR="nvim"
      export VISUAL="nvim"
      export PAGER="less"
      export LESS="-R"

      # --- fzf configuration ---
      if command -v fzf >/dev/null 2>&1; then
        # Enable key bindings and auto-completion
        [ -f "${pkgs.fzf}/share/fzf/key-bindings.zsh" ] && source "${pkgs.fzf}/share/fzf/key-bindings.zsh"
        [ -f "${pkgs.fzf}/share/fzf/completion.zsh" ] && source "${pkgs.fzf}/share/fzf/completion.zsh"

        # Example of optional fzf tuning
        export FZF_DEFAULT_COMMAND='fd --type f --hidden --follow --exclude .git'
        export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"
        export FZF_DEFAULT_OPTS='--height 40% --layout=reverse --border'
      fi

      [[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh
      eval "$(zoxide init zsh --cmd cd)"

    '';
  };

  home.file.".p10k.zsh".source = ./p10k.zsh;

}