decouple all config from host

flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "Example nix-darwin system flake";
+  description = "Personal Nix configuration";
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
@@ -12,106 +12,41 @@
   };
 
   outputs =
-    inputs@{
+    {
       self,
       nix-darwin,
       nixpkgs,
       home-manager,
     }:
     let
-      name = "mbp";
       hosts = import ./hosts;
-      configuration =
-        { pkgs, ... }:
-        {
-          nix.settings.experimental-features = "nix-command flakes";
-
-          # Set Git commit hash for darwin-version.
-          system.configurationRevision = self.rev or self.dirtyRev or null;
-
-          # Used for backwards compatibility, please read the changelog before changing.
-          # $ darwin-rebuild changelog
-          system.stateVersion = 5;
-          nixpkgs.hostPlatform = "aarch64-darwin";
-          nixpkgs.config.allowUnfree = true;
-
-          # Nix Darwin
-          # https://daiderd.com/nix-darwin/manual/index.html
-
-          # Security
-          system.defaults.screensaver.askForPassword = true;
-          system.defaults.screensaver.askForPasswordDelay = 0;
-          system.defaults.loginwindow.GuestEnabled = false;
-
-          # Dock
-          system.defaults.dock.autohide = true;
-          system.defaults.dock.orientation = "left";
-          system.defaults.dock.show-recents = false;
-          system.defaults.dock.persistent-apps = [
-            "/Applications/Arc.app"
-            "/Applications/Ghostty.app"
-            "/Applications/VSCodium.app"
-            "/Applications/Spotify.app"
-            "/System/Applications/System Settings.app"
-          ];
-          system.defaults.dock.persistent-others = [ ];
-
-          # Input devices
-          system.keyboard.enableKeyMapping = true;
-          system.keyboard.remapCapsLockToEscape = true;
-          system.defaults.NSGlobalDomain.InitialKeyRepeat = 25;
-          system.defaults.NSGlobalDomain.KeyRepeat = 2;
-          system.defaults.NSGlobalDomain."com.apple.mouse.tapBehavior" = 1;
-          system.defaults.NSGlobalDomain."com.apple.trackpad.scaling" = 0.875;
-          system.defaults.trackpad.Dragging = true;
-
-          # Finder
-          system.defaults.finder.AppleShowAllExtensions = true;
-          system.defaults.finder.ShowPathbar = true;
-
-          # Other
-          system.startup.chime = false;
-
-          users.users."niccoloborgioli" = {
-            home = "/Users/niccoloborgioli";
-            shell = pkgs.fish;
-          };
-          programs.fish.enable = true;
-
-          homebrew = {
-            enable = true;
-            casks = import ./cask.nix;
-            taps = [ "lihaoyun6/tap" ];
-            onActivation = {
-              autoUpdate = true;
-              cleanup = "zap";
-            };
-          };
-
-          # Home Manager
-          home-manager.backupFileExtension = "backup";
-        };
+      inherit (builtins) listToAttrs;
     in
     {
-      darwinConfigurations."${name}" = nix-darwin.lib.darwinSystem {
-        modules = [
-          (
-            { config, ... }:
-            {
-              config._module.args = { inherit hosts; };
-            }
-          )
-          configuration
-          home-manager.darwinModules.home-manager
-          {
-            home-manager.useGlobalPkgs = true;
-            home-manager.useUserPackages = true;
-            home-manager.users.niccoloborgioli = import ./home.nix;
-          }
-        ];
-      };
-
-      # Expose the package set, including overlays, for convenience.
-      # darwinPackages = self.darwinConfigurations."${name}".pkgs;
+      darwinConfigurations = listToAttrs (
+        map (host: {
+          name = host.hostName;
+          value = nix-darwin.lib.darwinSystem {
+            modules = [
+              # Make `host` available as module arg.
+              (
+                { config, ... }:
+                {
+                  config._module.args = { inherit host; };
+                }
+              )
+              # configuration
+              (import ./darwin.nix { flake = self; })
+              home-manager.darwinModules.home-manager
+              {
+                home-manager.backupFileExtension = "backup";
+                home-manager.useGlobalPkgs = true;
+                home-manager.useUserPackages = true;
+                home-manager.users.${host.username} = import ./home.nix { inherit host; };
+              }
+            ];
+          };
+        }) hosts
+      );
     };
 }