# hosts/common/users/m3tam3re.nix — Central user definition with m3ta-home integration.
#
# This module:
#   1. Creates the m3tam3re NixOS user
#   2. Loads the m3ta-home profile system via mkHome
#   3. Sets per-host feature flags based on a host profile mapping
#   4. Imports per-host home.nix overrides (monitors, HW-specific config)
{
  config,
  pkgs,
  inputs,
  ...
}: let
  hostname = config.networking.hostName;

  # ── Per-host profile mapping ──
  # Determines which m3ta-home context and sets each host gets.
  # To add a new host: add an entry here + create hosts/<hostname>/home.nix if needed.
  hostProfiles = {
    m3-ares = {
      context = "desktop";
      sets = ["coding" "gaming" "media"];
    };
    m3-kratos = {
      context = "desktop";
      sets = ["coding" "gaming" "media"];
    };
    m3-atlas = {
      context = "server";
      sets = ["coding"];
    };
    m3-helios = {
      context = "server";
      sets = [];
    };
    m3-hermes = {
      context = "server";
      sets = [];
    };
    m3-aether = {
      context = "server";
      sets = [];
    };
  };

  profile = hostProfiles.${hostname} or {context = "server"; sets = [];};
  m3ta-lib = inputs.m3ta-home.lib;

  # Check if a per-host home.nix exists
  hostHomeFile = ./../../${hostname}/home.nix;
  hostHomeExists = builtins.pathExists hostHomeFile;
in {
  # ── NixOS user definition ──
  users.users.m3tam3re = {
    password = "12345";
    isNormalUser = true;
    description = "m3tam3re";
    extraGroups = [
      "wheel"
      "networkmanager"
      "libvirtd"
      "flatpak"
      "audio"
      "video"
      "plugdev"
      "input"
      "kvm"
      "qemu-libvirtd"
      "adbusers"
    ];
    openssh.authorizedKeys.keys = [
      "ssh-rsa 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 m3tam3re@m3-nix"
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBZcjCKl0DRuOUOMXbM0GKY5JjvmyFpVZ/tRlTKWu/zp razr"
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEZbg/Z9mnflXuLahGY8WOSBMqbgeqVIkIwRkquys1Ml sascha.koenig@azintec.com"
    ];
    packages = [inputs.home-manager.packages.${pkgs.stdenv.hostPlatform.system}.default];
  };

  # ── Home-Manager configuration via m3ta-home ──
  home-manager.users.m3tam3re = {
    imports =
      [
        # Load m3ta-home composition engine
        (m3ta-lib.mkHome {
          user = "m3tam3re";
          identity = "private";
          inherit (profile) context sets;
        })
      ]
      # Per-host feature flag overrides
      ++ (
        if hostname == "m3-ares" || hostname == "m3-kratos"
        then [
          # Desktop feature flags (both desktop hosts are identical)
          {
            base = {
              shell = {
                fish.enable = true;
                nushell.enable = true;
                starship.enable = true;
              };
              cliTools = {
                fzf.enable = true;
                nitch.enable = true;
                television.enable = true;
              };
              secrets.enable = true;
            };
            desktop = {
              wm = {
                hyprland.enable = true;
                rofi.enable = true;
                wayland.enable = true;
              };
              apps = {
                crypto.enable = true;
                obsidian.enable = true;
                office.enable = true;
              };
              theme = {
                fonts.enable = true;
                wallpapers.enable = true;
              };
            };
            coding = {
              editors = {
                neovim.enable = true;
                zed.enable = true;
              };
              lsp.enable = true;
              packages.enable = true;
              languages = {
                python.enable = true;
                javascript.enable = true;
                rustToolchain.enable = true;
                go.enable = true;
                typescript.enable = true;
              };
            };
            profiles.gaming = {
              steam.enable = true;
              gamescope.enable = true;
            };
            profiles.media = {
              obs.enable = true;
              ffmpeg.enable = true;
              kdenlive.enable = true;
              ytDlp.enable = true;
            };
          }
        ]
        else if hostname == "m3-atlas"
        then [
          {
            base = {
              shell = {
                nushell.enable = true;
                starship.enable = true;
              };
              cliTools = {
                fzf.enable = true;
                nitch.enable = true;
                zellij.enable = true;
              };
            };
            coding.editors.neovim.enable = true;
          }
        ]
        else
          # m3-helios, m3-hermes, m3-aether — minimal server
          [
            {
              base = {
                shell = {
                  fish.enable = true;
                  starship.enable = true;
                };
                cliTools = {
                  fzf.enable = true;
                  nitch.enable = true;
                };
              };
            }
          ]
      )
      # Per-host home.nix (Hyprland monitors, HW-specific overrides)
      ++ (
        if hostHomeExists
        then [hostHomeFile]
        else []
      );
  };
}