nixos-conf/base.nix

#Basic system config
{ config, pkgs, ... }:
{
#################### Packages ####################
	environment.systemPackages = with pkgs; [
		rxvt-unicode-emoji
			tmux
			git
			unison
			nano
			p7zip
			tree
	];

#################### ZSH configuration ####################
	users.defaultUserShell = pkgs.zsh;
	environment.shells = with pkgs; [ zsh ];
	programs.zsh = {
		enable = true;
		autosuggestions.enable = true;
		syntaxHighlighting.enable = true;
		ohMyZsh = {
			enable = true;
			plugins = [ "history-substring-search" "tmux" ];
			theme = "af-magic";
		};
		interactiveShellInit =
			''
			ZSH_TMUX_AUTOSTART=false
			ZSH_TMUX_AUTOQUIT=false
			ZSH_TMUX_CONFIG=/etc/tmux.conf
			'';
		promptInit = 
			''
			if [ -n "$IN_NIX_SHELL" ]; then 
				setopt PROMPT_SUBST
					RPROMPT+='[nix]'
					fi
					'';
	};


#################### tmux configuration ####################
	programs.tmux.enable = true;
	programs.tmux.extraConfig =
		''
		unbind C-b
		set -g prefix M-w
		bind M-w send-prefix

		bind s split-window -v
		bind v split-window -h

		# Smart pane switching with awareness of Vim splits.
		# bind -n C-i run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-i) || tmux select-pane -L"
		# bind -n C-n run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-n) || tmux select-pane -D"
		# bind -n C-e run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-e) || tmux select-pane -U"
		# bind -n C-o run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-o) || tmux select-pane -R"
		bind -n C-h run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-h) || tmux select-pane -L"
		bind -n C-j run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-j) || tmux select-pane -D"
		bind -n C-k run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-k) || tmux select-pane -U"
		bind -n C-l run "(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-l) || tmux select-pane -R"

		bind -n C-Left select-pane -L
		bind -n C-Right select-pane -R
		bind -n C-Up select-pane -U
		bind -n C-Down select-pane -D

		# resize panes more easily
		# bind -r i resize-pane -L 10
		# bind -r n resize-pane -D 10
		# bind -r e resize-pane -U 10
		# bind -r o resize-pane -R 10
		bind -r h resize-pane -L 10
		bind -r j resize-pane -D 10
		bind -r k resize-pane -U 10
		bind -r l resize-pane -R 10

		bind M-c attach -c "#{pane_current_path}" 

		set -s escape-time 0
		# unbind -n tab
		'';

#################### SSH configuration ####################
	services.openssh.enable = true;
	services.openssh.settings.PasswordAuthentication = false;
	users.users.root.openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBbGREoK1uVny1s8FK3KZ74Wmaf0VtifhqPyK69C/Gez vili@helium" ];

#################### BASE ####################
	nixpkgs.config.allowUnfree = true;
	networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.

		users.mutableUsers = false; # Force all user management to happen throught nix-files

# Select internationalisation properties.
		i18n.defaultLocale = "en_US.UTF-8";
	services.xserver.layout = "us,";
	services.xserver.xkbVariant = "de_se_fi,";
	console = pkgs.lib.mkForce {
		font = "Lat2-Terminus16";
		useXkbConfig = true; # use xkbOptions in tty.
	};
	time.timeZone = "Europe/Helsinki";


#################### Housekeeping ####################
	system.autoUpgrade = {
		enable = true;
		dates = "04:00";
		randomizedDelaySec = "30min";
	};

	nix = {
		settings.auto-optimise-store = true;
		gc = {
			automatic = true;
			options = "--delete-older-than 7d";
			dates = "05:00";
			randomizedDelaySec = "30min";
		};
	};

# Copy the NixOS configuration file and link it from the resulting system
# (/run/current-system/configuration.nix). This is useful in case you
# accidentally delete configuration.nix.
	system.copySystemConfiguration = true;
}