rec {
  description = "Lotte's NixOS installation";

  # Use NixOS unstable
  inputs = {
    # Sorted by name
    admin-fe = {
      url = "github:DarkKirb/admin-fe";
      inputs.devshell.follows = "devshell";
      inputs.flake-parts.follows = "flake-parts";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    akkoma = {
      url = "github:DarkKirb/akkoma";
      inputs.devshell.follows = "devshell";
      inputs.flake-parts.follows = "flake-parts";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    akkoma-fe = {
      url = "github:DarkKirb/akkoma-fe";
      inputs.devshell.follows = "devshell";
      inputs.flake-parts.follows = "flake-parts";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    attic = {
      url = "github:DarkKirb/attic";
      inputs.cargo2nix.follows = "cargo2nix";
      inputs.crane.follows = "crane";
      inputs.flake-compat.follows = "flake-compat";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.rust-overlay.follows = "rust-overlay";
    };
    cargo2nix = {
      url = "github:cargo2nix/cargo2nix/main";
      inputs.flake-compat.follows = "flake-compat";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.rust-overlay.follows = "rust-overlay";
    };
    colorpickle = {
      url = "github:AgathaSorceress/colorpickle";
      inputs.naersk.follows = "naersk";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.utils.follows = "flake-utils";
    };
    crane = {
      url = "github:DarkKirb/crane";
      inputs.flake-compat.follows = "flake-compat";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.rust-overlay.follows = "rust-overlay";
    };
    devshell = {
      url = "github:numtide/devshell";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    dns = {
      url = "github:DarkKirb/dns.nix";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    element-web = {
      url = "github:DarkKirb/element-web";
      inputs.flake-parts.follows = "flake-parts";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.matrix-react-sdk.follows = "matrix-react-sdk";
      inputs.matrix-js-sdk.follows = "matrix-js-sdk";
      inputs.devshell.follows = "devshell";
      inputs.flake-compat.follows = "flake-compat";
    };
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
    flake-parts = {
      url = "github:hercules-ci/flake-parts";
      inputs.nixpkgs-lib.follows = "nixpkgs";
    };
    flake-utils = {
      url = "github:numtide/flake-utils";
      inputs.systems.follows = "systems";
    };
    gomod2nix = {
      url = "github:DarkKirb/gomod2nix";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.utils.follows = "flake-utils";
    };
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hydra = {
      url = "github:DarkKirb/hydra";
      #inputs.nixpkgs.follows = "nixpkgs";
    };
    impermanence = {
      url = "github:nix-community/impermanence";
    };
    lib-aggregate = {
      url = "github:nix-community/lib-aggregate";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs-lib.follows = "nixpkgs";
    };
    matrix-react-sdk = {
      url = "github:DarkKirb/matrix-react-sdk";
      inputs.flake-parts.follows = "flake-parts";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.matrix-js-sdk.follows = "matrix-js-sdk";
      inputs.devshell.follows = "devshell";
      inputs.flake-compat.follows = "flake-compat";
    };
    matrix-js-sdk = {
      url = "github:DarkKirb/matrix-js-sdk";
      inputs.flake-parts.follows = "flake-parts";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.devshell.follows = "devshell";
      inputs.flake-compat.follows = "flake-compat";
    };
    naersk = {
      url = "github:nix-community/naersk/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-gaming = {
      url = "github:fufexan/nix-gaming";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.flake-parts.follows = "flake-parts";
    };
    nix-neovim = {
      url = "github:syberant/nix-neovim";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixos-hardware.url = "github:NixOS/nixos-hardware";
    nixos-vscode-server = {
      url = "github:nix-community/nixos-vscode-server";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixpkgs.url = "github:NixOS/nixpkgs";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.nixpkgs-stable.follows = "nixpkgs";
    };
    systems.url = "github:nix-systems/default";
  };

  outputs = {
    self,
    nixpkgs,
    sops-nix,
    home-manager,
    ...
  } @ args: let
    systems = [
      {
        name = "nixos-8gb-fsn1-1"; # Hetzner Server
        system = "x86_64-linux";
      }
      {
        name = "thinkrac"; # Thinkpad T470
        system = "x86_64-linux";
      }
      {
        name = "nas"; # My nas
        system = "x86_64-linux";
      }
      {
        name = "installer"; # Installer iso
        system = "x86_64-linux";
      }
      {
        name = "instance-20221213-1915"; # Oracle server
        system = "aarch64-linux";
      }
      {
        name = "rainbow-resort"; # PC
        system = "x86_64-linux";
      }
      {
        name = "vf2"; # vision five 2
        system = "x86_64-linux"; # not a typo!
      }
      {
        name = "devterm";
        system = "aarch64-linux";
      }
    ];
    mkPackages = system: let
      pkgs = import nixpkgs {
        inherit system;
        overlays = [
          args.gomod2nix.overlays.default
          self.overlays.${system}
        ];
        config.allowUnfree = true;
      };
      common = {
        neovim-base = args.nix-neovim.buildNeovim {
          inherit pkgs;
          configuration = import ./config/programs/vim/configuration.nix false;
        };
        neovim = args.nix-neovim.buildNeovim {
          inherit pkgs;
          configuration = import ./config/programs/vim/configuration.nix true;
        };
        inherit
          (pkgs)
          emoji-lotte
          emoji-volpeon-blobfox
          emoji-volpeon-blobfox-flip
          emoji-volpeon-bunhd
          emoji-volpeon-bunhd-flip
          emoji-volpeon-drgn
          emoji-volpeon-fox
          emoji-volpeon-gphn
          emoji-volpeon-raccoon
          emoji-volpeon-vlpn
          emoji-volpeon-neofox
          emoji-volpeon-neocat
          emoji-volpeon-floof
          emoji-rosaflags
          emoji-raccoon
          emoji-caro
          lotte-art
          alco-sans
          constructium
          fairfax
          fairfax-hd
          kreative-square
          nasin-nanpa
          matrix-media-repo
          mautrix-discord
          mautrix-whatsapp
          mautrix-telegram
          python-mautrix
          python-tulir-telethon
          papermc
          python-plover-stroke
          python-rtf-tokenize
          plover
          plover-plugins-manager
          python-simplefuzzyset
          plover-plugin-emoji
          plover-plugin-tapey-tape
          plover-plugin-yaml-dictionary
          plover-plugin-machine-hid
          plover-plugin-rkb1-hid
          plover-plugin-dotool-output
          plover-dict-didoesdigital
          miifox-net
          old-homepage
          plover-plugin-python-dictionary
          plover-plugin-stenotype-extended
          asar-asm
          bsnes-plus
          sliding-sync
          yiffstash
          plover-plugin-dict-commands
          plover-plugin-last-translation
          plover-plugin-modal-dictionary
          plover-plugin-stitching
          plover-plugin-lapwing-aio
          ;
      };
      perSystem = {
        aarch64-linux = {
          inherit (pkgs) linux-devterm;
        };
      };
    in
      common // perSystem.${system} or {};
  in rec {
    nixosConfigurations = builtins.listToAttrs (map
      ({
        name,
        system,
        configName ? name,
      }: {
        inherit name;
        value =
          nixpkgs.lib.nixosSystem
          {
            inherit system;
            specialArgs =
              args
              // {
                inherit system;
              };
            modules = [
              (./config + "/${configName}.nix")
              ./config/default.nix
              sops-nix.nixosModules.sops
              home-manager.nixosModules.home-manager
              ({pkgs, ...}: {
                home-manager.extraSpecialArgs = args // {inherit system;};
              })
              (import utils/link-input.nix args)
            ];
          };
      })
      systems);
    overlays = {
      x86_64-linux = import ./overlays args "x86_64-linux";
      aarch64-linux = import ./overlays args "aarch64-linux";
      riscv64-linux = import ./overlays args "riscv64-linux";
    };
    devShell.x86_64-linux = let
      pkgs = import nixpkgs {
        system = "x86_64-linux";
        overlays = [
          args.gomod2nix.overlays.default
          self.overlays.x86_64-linux
        ];
      };
    in
      pkgs.mkShell {
        nativeBuildInputs = with pkgs; [
          age
          sops
          ssh-to-age
          nix-prefetch
          nix-prefetch-git
          jq
          bundix
          python3
          python3Packages.yapf
          github-cli
          statix
          alejandra
        ];
      };
    formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.alejandra;
    packages.x86_64-linux = mkPackages "x86_64-linux";
    packages.aarch64-linux = mkPackages "aarch64-linux";
    hydraJobs =
      (builtins.listToAttrs (map
        ({
          name,
          system,
          ...
        }: {
          inherit name;
          value = {
            ${system} = nixosConfigurations.${name}.config.system.build.toplevel;
          };
        })
        systems))
      // {
        inherit devShell;
        inherit packages;
        # Uncomment the line to build an installer image
        # This is EXTREMELY LARGE and will make builds take forever
        # installer.x86_64-linux = nixosConfigurations.installer.config.system.build.isoImage;
      };
  };
}