# Home Manager Configuration
#
# User-level configuration for dotfiles and user services.
# This is imported by home-manager in flake.nix.
#
# Customize for your user.

{ config, pkgs, lib, ... }:

{
  # ============================================================================
  # USER INFO
  # ============================================================================

  home.username = "youruser";  # Change this!
  home.homeDirectory = "/home/youruser";  # Change this!

  # ============================================================================
  # PACKAGES
  # ============================================================================

  home.packages = with pkgs; [
    # CLI tools
    ripgrep
    fd
    jq
    bat
    eza  # ls replacement
    fzf
    htop

    # Development
    git
    gh  # GitHub CLI

    # Notes & sync (also in system, but ensuring availability)
    nb
  ];

  # ============================================================================
  # GIT
  # ============================================================================

  programs.git = {
    enable = true;
    userName = "Your Name";  # Change this!
    userEmail = "you@example.com";  # Change this!

    extraConfig = {
      init.defaultBranch = "main";
      pull.rebase = true;
      push.autoSetupRemote = true;

      # Sign commits (optional)
      # commit.gpgsign = true;
      # gpg.format = "ssh";
      # user.signingkey = "~/.ssh/id_ed25519.pub";
    };

    # Useful aliases
    aliases = {
      st = "status";
      co = "checkout";
      br = "branch";
      ci = "commit";
      lg = "log --oneline --graph --decorate";
    };
  };

  # ============================================================================
  # SHELL
  # ============================================================================

  programs.zsh = {
    enable = true;
    autosuggestion.enable = true;
    syntaxHighlighting.enable = true;

    shellAliases = {
      # Nix
      rebuild = "sudo nixos-rebuild switch --flake ~/.config/nixos";
      update = "nix flake update ~/.config/nixos";

      # Notes
      n = "nb";
      na = "nb add";
      ne = "nb edit";
      ns = "nb search";
      nsy = "nb sync";

      # Files
      ls = "eza";
      ll = "eza -la";
      tree = "eza --tree";

      # Sync
      sync = "nb sync && syncthing cli scan --all";
    };

    initExtra = ''
      # nb completion
      eval "$(nb completions zsh)"

      # FZF integration
      if command -v fzf &> /dev/null; then
        source ${pkgs.fzf}/share/fzf/key-bindings.zsh
        source ${pkgs.fzf}/share/fzf/completion.zsh
      fi
    '';
  };

  # Alternative: Bash
  # programs.bash = {
  #   enable = true;
  #   shellAliases = { ... };
  # };

  # ============================================================================
  # NEOVIM
  # ============================================================================

  programs.neovim = {
    enable = true;
    defaultEditor = true;
    viAlias = true;
    vimAlias = true;

    plugins = with pkgs.vimPlugins; [
      # Essentials
      plenary-nvim
      telescope-nvim
      nvim-treesitter.withAllGrammars

      # Git
      vim-fugitive
      gitsigns-nvim

      # LSP (for Nix editing)
      nvim-lspconfig

      # Quality of life
      comment-nvim
      which-key-nvim
      nvim-autopairs

      # Theme
      catppuccin-nvim
    ];

    extraLuaConfig = ''
      -- Basic settings
      vim.opt.number = true
      vim.opt.relativenumber = true
      vim.opt.expandtab = true
      vim.opt.tabstop = 2
      vim.opt.shiftwidth = 2
      vim.opt.smartindent = true
      vim.opt.wrap = false
      vim.opt.ignorecase = true
      vim.opt.smartcase = true

      -- Theme
      vim.cmd.colorscheme "catppuccin"

      -- Leader key
      vim.g.mapleader = " "

      -- Telescope
      local telescope = require('telescope.builtin')
      vim.keymap.set('n', '<leader>ff', telescope.find_files, { desc = 'Find files' })
      vim.keymap.set('n', '<leader>fg', telescope.live_grep, { desc = 'Grep' })
      vim.keymap.set('n', '<leader>fb', telescope.buffers, { desc = 'Buffers' })

      -- Git signs
      require('gitsigns').setup()

      -- Comments
      require('Comment').setup()

      -- Which-key
      require('which-key').setup()

      -- Autopairs
      require('nvim-autopairs').setup()

      -- LSP for Nix
      require('lspconfig').nil_ls.setup{}
    '';
  };

  # ============================================================================
  # TMUX
  # ============================================================================

  programs.tmux = {
    enable = true;
    terminal = "tmux-256color";
    prefix = "C-a";
    mouse = true;

    extraConfig = ''
      # Split panes with | and -
      bind | split-window -h
      bind - split-window -v

      # Vim-style pane navigation
      bind h select-pane -L
      bind j select-pane -D
      bind k select-pane -U
      bind l select-pane -R

      # Status bar
      set -g status-position top
      set -g status-style 'bg=default fg=white'
    '';
  };

  # ============================================================================
  # DIRECTORIES
  # ============================================================================

  # Create standard directories
  home.file = {
    ".local/bin/.keep".text = "";  # Ensure bin directory exists
  };

  xdg = {
    enable = true;
    userDirs = {
      enable = true;
      createDirectories = true;
      documents = "$HOME/Documents";
      download = "$HOME/Downloads";
      music = "$HOME/Music";
      pictures = "$HOME/Pictures";
      videos = "$HOME/Videos";
    };
  };

  # ============================================================================
  # STATE VERSION
  # ============================================================================

  home.stateVersion = "24.05";  # Don't change after initial setup

  # Let home-manager manage itself
  programs.home-manager.enable = true;
}