# --- This file has been auto-generated. For permanent changes alter the appropriate block in the README.org. ---
{ lib, config, pkgs, flakeRoot, ... }:

let
  #################################
  # User config
  #################################
  username = config.defaultUser or "henrov";
  generatedZsh = "${flakeRoot}/generated/.config/zsh/.zshrc";

  #################################
  # Alias parsing
  #################################
  aliasFile = "${flakeRoot}/generated/assets/aliases.conf";
  content = builtins.readFile aliasFile;

  lines =
    lib.filter (l: l != "")
      (map (l:
        let
          noComment = builtins.head (lib.splitString "#" l);
        in lib.trim noComment
      ) (lib.splitString "\n" content));

  parseLine = line:
    let
      parts = lib.splitString "=" line;
    in
      if lib.length parts < 2 then null else {
        name = lib.trim (lib.head parts);
        value = lib.trim (lib.concatStringsSep "=" (lib.tail parts));
      };

  parsed =
    lib.filter (x: x != null)
      (map parseLine lines);

  functions =
    lib.concatStringsSep "\n"
      (map (x: ''
        ${x.name}() {
          ${x.value} "$@"
        }
      '') parsed);

in
{
  #################################
  # Packages
  #################################
  environment.systemPackages = with pkgs; [
    zsh
    oh-my-zsh
    starship
    zsh-syntax-highlighting
  ];

  #################################
  # Zsh config location
  #################################
  environment.etc."zshenv".text = ''
    export ZDOTDIR=$HOME/.config/zsh
  '';

  #################################
  # Generated alias functions (system-wide)
  #################################
  environment.etc."profile.d/99-alias-functions.sh".text = ''
    # system-wide functions generated from aliases.conf
    ${functions}
  '';

  #################################
  # Global zshrc
  #################################
  environment.etc."zshrc".text = ''
    export ZSH=${pkgs.oh-my-zsh}/share/oh-my-zsh
    ZSH_THEME=""
    plugins=(git sudo extract colored-man-pages command-not-found history docker kubectl)

    source $ZSH/oh-my-zsh.sh

    # Init starship FIRST (prompt)
    eval "$(starship init zsh)"

    # Load alias functions
    if [ -f /etc/profile.d/99-alias-functions.sh ]; then
      source /etc/profile.d/99-alias-functions.sh
    fi

    # Load optional generated user config
    [ -f "${generatedZsh}" ] && source "${generatedZsh}"

    # Syntax highlighting MUST be last
    source ${pkgs.zsh-syntax-highlighting}/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
  '';

  #################################
  # Home Manager integration
  #################################
  home-manager.users.${username} = {
    programs.zsh.enable = true;
    home.file.".config/zsh/.zshrc".source = generatedZsh;
  };
}