# SPDX-FileCopyrightText: 2022 Richard Brežák <richard@brezak.sk>
#
# SPDX-License-Identifier: LGPL-3.0-or-later
{
  inputs = {
    nixpkgs.follows = "nixpkgs-unstable";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs?ref=nixos-unstable-small";
    nixpkgs-stable.url = "github:NixOS/nixpkgs?ref=nixos-24.05";
    home-manager.follows = "home-manager-unstable";
    home-manager-stable.url = "github:nix-community/home-manager?ref=release-24.05";
    home-manager-unstable.url = "github:nix-community/home-manager?ref=master";
    nixng.url = "github:nix-community/NixNG";
    flake-parts.url = "github:hercules-ci/flake-parts";
    nix-gaming.url = "github:fufexan/nix-gaming";
    nix-gaming.inputs.nixpkgs.follows = "nixpkgs";
    nix-gaming.inputs.flake-parts.follows = "flake-parts";
    nil.url = "github:oxalica/nil";
    uterranix.url = "sourcehut:~magic_rb/uterranix";
    dwarffs.url = "github:edolstra/dwarffs";
    dwarffs.inputs.nix.follows = "nix";
    website.url = "sourcehut:~magic_rb/website";
    microvm.url = "github:astro/microvm.nix";
    notnft.url = "github:chayleaf/notnft";
    impermenance.url = "github:MagicRB/impermanence";
    hydra.url = "github:NixOS/hydra";
    nix.url = "github:NixOS/nix";
    thingiverse-downloader.url = "sourcehut:~magic_rb/thingiverse_downloader";
    thingiverse-downloader.flake = false;
    nix-snapshotter.url = "github:pdtpartners/nix-snapshotter";
    uk3s-nix.url = "sourcehut:~magic_rb/uk3s.nix";
    uk3s-nix.inputs.nix-snapshotter.follows = "nix-snapshotter";
    uk3s-nix.inputs.nixng.follows = "nixng";
    pre-commit-hooks.url = "github:magicrb/git-hooks.nix?ref=imports-modules";
    buildbot-nix.url = "path:///home/main/repos/buildbot-nix"; # "github:magicrb/buildbot-nix?ref=github_app";
    # buildbot-nix.inputs.nixpkgs.follows = "nixpkgs"; # do not override buildbot-nix vendors its buildbot instance
    haumea = {
      url = "github:nix-community/haumea/v0.2.2";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    percept.url = "git+https://codeberg.org/magic_rb/percept?ref=master";
    percept.flake = false;

    yafas.url = "github:UbiqueLambda/yafas";
    yafas.inputs.flake-schemas.follows = "nix-empty-flake";
    nix-empty-flake.url = "github:chaotic-cx/nix-empty-flake";
    chaotic-nyx.url = "github:chaotic-cx/nyx";
    chaotic-nyx.inputs.nixpkgs.follows = "nixpkgs";
    chaotic-nyx.inputs.home-manager.follows = "home-manager";

    disko.url = "github:nix-community/disko";
    nixos-anywhere.url = "github:numtide/nixos-anywhere";

    tuxedo-rs.url = "github:AaronErhardt/tuxedo-rs";
    tuxedo-rs.inputs.nixpkgs.follows = "nixpkgs";

    tuxedo-nixos.url = "github:blitz/tuxedo-nixos";
    tuxedo-nixos.inputs.nixpkgs.follows = "nixpkgs";

    emacs.url = "git+https://git.savannah.gnu.org/git/emacs.git?ref=master";
    emacs.flake = false;

    vtermModule.url = "github:akermu/emacs-libvterm";
    vtermModule.flake = false;

    secret.url = "path:///home/main/dotfiles/secret";
    secret.flake = false;

    ical2org.url = "sourcehut:~magic_rb/ical2orgpy";
    ical2org.flake = false;

    udp-over-tcp.url = "github:mullvad/udp-over-tcp";
    udp-over-tcp.flake = false;

    qmk.url = "github:qmk/qmk_firmware";
    qmk.flake = false;
  };

  outputs = inputs @ {
    flake-parts,
    self,
    secret,
    ...
  }:
    flake-parts.lib.mkFlake {inherit inputs;} ({
      config,
      lib',
      ...
    }: {
      imports = [
        modules/qmk
        modules/nixngConfigurations.nix
        modules/lib_overlays.nix
        lib/load_secrets.nix

        nixos/systems/omen
        nixos/systems/buildbot-container
        nixos/systems/heater
        nixos/systems/toothpick
        nixos/systems/liveusb
        nixos/systems/blowhole
        nixos/systems/altra
        nixos/systems/gooseberry
        nixos/systems/grasshopper
        nixos/systems/inkbook
        nixos/systems/hela
        nixos/systems/saw

        nixng/containers/ingress-blowhole
        nixng/containers/ingress-toothpick
        nixng/containers/matrix/mautrix-signal
        nixng/containers/matrix/mautrix-discord
        nixng/containers/matrix/mautrix-slack
        nixng/containers/matrix/mautrix-facebook
        nixng/containers/matrix/heisenbridge
        nixng/containers/matrix/synapse
        nixng/containers/website
        nixng/containers/home-assistant
        nixng/containers/email/getmail
        nixng/containers/email/dovecot.nix
        nixng/containers/email/postfix
        nixng/containers/gitea
        nixng/containers/hydra
        nixng/containers/syncthing
        nixng/containers/minecraft/enigmatica-6
        # nixng/containers/minecraft/vanilla
        # nixng/containers/minecraft/ftb-infinity
        # nixng/containers/minecraft/ftb-integrations

        overlays/udp-over-tcp.nix
        overlays/emacsclient-remote
        overlays/magic-screenshot
        overlays/emacs-rofi
        overlays/tree-sitter-grammars.nix
        overlays/emacs-master-nativecomp
        overlays/zfs-relmount
        overlays/mautrix-discord.nix
        overlays/mautrix-slack.nix
        overlays/getmail6
        overlays/maildrop
        overlays/courier-unicode.nix
        overlays/ds3os.nix
        overlays/terraform-provider-vault.nix
        overlays/terraform-provider-influxdb-v2.nix
        overlays/bootloadHID.nix
        overlays/itp
        overlays/virtiofsd-zfs
        overlays/show-files-to-be-deleted
        overlays/rolling_datasets
        overlays/ledger-compat
        overlays/ifstate
        overlays/microvmp
        overlays/symlink-state
        overlays/thingiverse-downloader
        overlays/bumps.nix
        overlays/kobo-firmware-extractor
        overlays/ip-search
        overlays/perl.nix
        overlays/uboot
        overlays/linux
        overlays/rp-pppoe.nix
        overlays/gather-town
        inputs.percept.outPath

        dev-shells/default.nix

        ./checks

        nixos/tests

        inputs.uterranix.flakeModule
        inputs.uk3s-nix.flakeModules.helmCharts
      ];

      _module.args.lib' = let
        inherit (inputs.nixpkgs) lib;
        inherit
          (inputs.nixpkgs.lib)
          extend
          ;
      in
        lib.foldl (acc: x: acc.extend x) lib (with config.flake.libOverlays; [
          loadSecrets
        ]);

      flake.hydraJobs = let
        inherit
          (lib')
          mapAttrs
          filterAttrs
          ;
        recurseIntoAttrs = attrs: attrs // {recurseForDerivations = {};};
      in {
        nixng = recurseIntoAttrs (mapAttrs (_: v: v.config.system.build.toplevel) config.flake.nixngConfigurations);
        nixos = recurseIntoAttrs (mapAttrs (_: v: v.config.system.build.toplevel) config.flake.nixosConfigurations);
        packages =
          recurseIntoAttrs
          (mapAttrs (_: v: recurseIntoAttrs v)
            (filterAttrs (n: v: n != "armv8-linux" && n != "riscv64-linux") config.flake.packages));
      };

      flake.nixngBuilds = lib'.mapAttrs (_: v: v.config.system.build.toplevel) config.flake.nixngConfigurations;
      flake.nixosBuilds = lib'.mapAttrs (_: v: v.config.system.build.toplevel) config.flake.nixosConfigurations;

      flake.evalJobs = let
        tweak =
          lib'.mapAttrs
          (
            name: val:
              if name == "recurseForDerivations"
              then true
              else if lib'.isAttrs val && val.type or null != "derivation"
              then lib'.recurseIntoAttrs (tweak val)
              else val
          );
      in
        tweak config.flake.hydraJobs;

      uterranix.configurations.main = [
        ./terranix/main/default.nix
        {
          _module.args.secret = lib'.loadSecrets secret;
          _module.args.vars = {
            flake_rev = self.rev or (lib'.warn "No flake revision available, do not deploy containers!" "");
            flake_sha = self.narHash or (lib'.warn "No flake nar hash available, do not deploy containers!" "");
            flake_ref = "master";
            flake_host = "git+https://git.sr.ht/~magic_rb/dotfiles";
          };
          _module.args.config' = config;
        }
      ];

      uterranix.configurations.prepare = [
        ./terranix/prepare/default.nix
      ];

      uterranix.specialArgs = {pkgs, ...}: {
        paths.root = ./.;
        elib = import ./terranix/lib {
          lib = lib';
          inherit pkgs;
          uterranix-lib = inputs.uterranix.lib.${pkgs.stdenv.system};
        };
      };

      uterranix.preInit = ''
        TEMPFILE="$(ssh -t blowhole.hosts.in.redalder.org mktemp)"
        ssh -t blowhole.hosts.in.redalder.org $"sudo sh -c $'kubectl -s https://172.26.96.2:6443 create token --duration=10m cluster-admin --namespace kube-system 1>$TEMPFILE ; chown \"\$SUDO_USER:root\" $TEMPFILE'"
        export KUBE_TOKEN=$(ssh blowhole.hosts.in.redalder.org "cat $TEMPFILE")
        ssh blowhole.hosts.in.redalder.org "rm $TEMPFILE"
        export FLAKE_ROOT="$(pwd)"
      '';

      uterranix.terraform = pkgs: let
        hpkgs = import inputs.nixpkgs {
          inherit (pkgs.stdenv) system;
          overlays = with self.overlays; [
            terraform-provider-vault
            terraform-provider-influxdb-v2
          ];
          config.allowUnfreePredicate = pkgs:
            builtins.elem (lib'.getName pkgs) [
              "terraform"
            ];
        };
      in
        hpkgs.terraform.withPlugins (p: [
          p.consul
          p.kubernetes
          p.nomad
          p.local
          p.vault
          p.random
          p.null
          p.external
          p.influxdb-v2
          p.hcloud
        ]);

      flake.nixosModules = {
        hashicorp = nixos/modules/hashicorp.nix;
        acme-sh = nixos/modules/acme-sh.nix;
        hashicorp-envoy = nixos/modules/hashicorp-envoy.nix;
        telegraf = nixos/modules/telegraf.nix;
        grafana = nixos/modules/grafana.nix;
        influx-provisioning = nixos/modules/influx-provisioning.nix;
        notnft = nixos/modules/notnft.nix;
        notnft-ns = nixos/modules/notnft-ns.nix;
        ucontainers = nixos/modules/ucontainers.nix;
        netboot-xyz = nixos/modules/netboot-xyz.nix;
        netnsIf = nixos/modules/router/netns-if.nix;
      };

      flake.apps = inputs.nixpkgs.lib.genAttrs config.systems (system: {
        nixos-anywhere.program = inputs.nixos-anywhere.packages.${system}.nixos-anywhere;
        nixos-anywhere.type = "app";
      });

      perSystem = {
        system,
        pkgs,
        ...
      }: {
        helmCharts.main = {
        };

        packages = let
          inherit
            (lib')
            attrValues
            ;
          pkgs' = pkgs.appendOverlays (attrValues config.flake.overlays
            ++ [
              inputs.nixng.overlays.default
            ]);
        in {
          terraform-provider-influxdb-v2 = pkgs'.terraform-providers.influxdb-v2;
          terraform-provider-vault = pkgs'.terraform-providers.vault;

          ubootClaraHD = pkgs'.pkgsCross.armv7l-hf-multiplatform.ubootClaraHD;
          linuxClaraHD = pkgs'.pkgsCross.armv7l-hf-multiplatform.linuxClaraHD;
          ubootBananaPiR4 = pkgs'.pkgsCross.aarch64-multiplatform.ubootBananaPiR4;
          linuxBananaPiR4 = pkgs'.pkgsCross.aarch64-multiplatform.linuxBananaPiR4;

          inherit
            (pkgs')
            thingiverse-downloader-bash
            emacsclient-remote
            emacs-master-nativecomp
            emacs-rofi
            getmail6
            magic-screenshot
            maildrop
            zfs-relmount
            bootloadHID
            tree-sitter-grammars
            udp-over-tcp
            itp
            rolling_datasets
            ifstate
            microvmp
            symlink-state
            kobo-firmware-extractor
            ip-search
            percept
            ;
          # ds3os;
        };
      };

      flake.patches = {
        hashicorp-nomad.revert-change-consul-si-tokens-to-be-local = patches/0001-Revert-Change-consul-SI-tokens-to-be-local.patch;
        hashicorp-nomad.add-nix-integration = patches/0001-Add-Nix-integration.patch;
        hostapd.intel_lar-and-noscan = patches/0001-intel_lar-and-noscan.patch;
        hostapd.hostapd-2_10-lar = patches/999-hostapd-2.10-lar.patch;
        hostapd.hostapd-2_10-lar-2 = patches/hostapd-2.10-lar.patch;
        terraform-provider-nomad.allow-null-in-authMountTuneSchema = patches/vault-provider-Allow-null-in-authMountTuneSchema.patch;
        systemd.override-cgroup-hierarchy = patches/0001-Add-env-SYSTEMD_UNIFIED_CGROUP_HIERARCHY.patch;
        bubblewrap.dont-bail-on-caps = patches/0001-Don-t-bail-if-we-have-capabilities-in-non-setuid-cas.patch;
        emacs-native-comp-driver-options = patches/emacs-native-comp-driver-options.patch;
      };

      systems = [
        "x86_64-linux"
        "aarch64-linux"
        "armv7l-linux"
      ];
    });
}