{
  config,
  inputs,
  lib,
  pkgs,
  ...
}: let
  inherit (lib) mkEnableOption mkOption mkIf;
  inherit (lib) optionalAttrs;
  inherit (lib.types) bool str;

  cfg = config.module.stylix;

  fromBase16Schemes = f: "${pkgs.base16-schemes}/share/themes/${f}.yaml";

  interPackage = pkgs.inter;
  iosevkaPackage = pkgs.nerd-fonts.iosevka;
  iosevkaTermPackage = pkgs.nerd-fonts.iosevka-term;
  mesloLgPackage = pkgs.nerd-fonts.meslo-lg;
  # jetBrainsMonoPackage = pkgs.nerd-fonts.jetbrains-mono;
  geistMonoPackage = pkgs.nerd-fonts.geist-mono;
  geistPackage = pkgs.geist-font;

  wallpapers = import ./wallpapers.nix;

  interIosevka = {
    serif = {
      package = interPackage;
      name = "Inter";
    };

    monospace = {
      package = iosevkaTermPackage;
      name = "IosevkaTerm Nerd Font Mono";
    };
  };

  themes = {
    dark = {
      ashes = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "classic-dark";
        image = wallpapers.abstract.lambda;

        inherit (interIosevka) serif monospace;

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };
      rose-pine-moon = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "rose-pine-moon";
        image = wallpapers.cyber-dawn;

        inherit (interIosevka) serif monospace;

        cursor = {
          package = pkgs.nordzy-cursor-theme;
          name = "Nordzy-cursors";
          size = 24;
        };
      };
      rose-pine = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "rose-pine";
        image = wallpapers.cyber-dawn;

        inherit (interIosevka) serif monospace;

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };
      kanagawa = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "kanagawa";
        image = wallpapers.cyber-dawn;

        inherit (interIosevka) serif monospace;

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };
      sandcastle = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "sandcastle";
        image = wallpapers.abstract.waves;

        serif = {
          package = geistPackage;
          name = "Geist";
        };

        monospace = {
          package = geistMonoPackage;
          name = "GeistMono NFM";
        };

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };
      gruvbox-dark-pale = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "gruvbox-dark-pale";
        image = wallpapers.mountains-sepia;

        serif = {
          package = geistPackage;
          name = "Geist";
        };

        monospace = {
          package = geistMonoPackage;
          name = "GeistMono Nerd Font";
        };

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };
      nord = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "nord";
        image = builtins.fetchurl {
          url = "https://w.wallhaven.cc/full/l8/wallhaven-l8l9gq.png";
          name = "wallhaven-l8l9gq.png";
          sha256 = "0ypr44sg0fn55m1b52dgr1nnscpi2p6rfkjsm7vvrdqw7bafbx2z";
        };

        inherit (interIosevka) serif monospace;

        cursor = {
          package = pkgs.nordzy-cursor-theme;
          name = "Nordzy-cursors";
          size = 32;
        };
      };

      helios = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "helios";
        image = builtins.fetchurl {
          url = "https://w.wallhaven.cc/full/lq/wallhaven-lqorw2.png";
          name = "wallhaven-lqorw2.png";
          sha256 = "sha256:1rjchjq4pc2jyq8dvpa17mmscv9qcm0h0zv468lsf8s51anpid6p";
        };

        inherit (interIosevka) serif monospace;

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };

      sulphurpool = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "atelier-sulphurpool";
        image = builtins.fetchurl {
          url = "https://w.wallhaven.cc/full/rd/wallhaven-rd5q3m.jpg";
          name = "wallhaven-rd5q3m.jpg";
          sha256 = "sha256:1sa2739vwwv1xafzjvxlg3kvq26xmcxg6hrwq29q40j617r63sy6";
        };

        serif = {
          package = interPackage;
          name = "Inter Nerd Font";
        };

        monospace = {
          package = iosevkaTermPackage;
          name = "IosevkaTerm Nerd Font Mono";
        };

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };
      vesper = {
        polarity = "dark";
        base16Scheme = fromBase16Schemes "vesper";
        image = wallpapers.abstract.squares;

        serif = {
          package = geistPackage;
          name = "Geist";
        };

        monospace = {
          package = geistMonoPackage;
          name = "GeistMono Nerd Font";
        };

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };
      };
    };
    light = {
      rose-pine-dawn = {
        polarity = "light";
        base16Scheme = fromBase16Schemes "rose-pine-dawn";
        image = wallpapers.cyber-dawn;

        serif = {
          package = iosevkaPackage;
          name = "Iosevka Nerd Font Propo";
        };

        monospace = {
          package = iosevkaTermPackage;
          name = "IosevkaTerm Nerd Font Mono";
        };

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Ice";
          size = 24;
        };
        nord-light = {
          polarity = "light";
          base16Scheme = fromBase16Schemes "nord-light";
          image = builtins.fetchurl {
            url = "https://w.wallhaven.cc/full/l8/wallhaven-l8l9gq.png";
            name = "wallhaven-l8l9gq.png";
            sha256 = "0ypr44sg0fn55m1b52dgr1nnscpi2p6rfkjsm7vvrdqw7bafbx2z";
          };

          serif = {
            package = iosevkaPackage;
            name = "Iosevka Nerd Font Propo";
          };

          monospace = {
            package = iosevkaTermPackage;
            name = "IosevkaTerm Nerd Font Mono";
          };

          cursor = {
            package = pkgs.nordzy-cursor-theme;
            name = "Nordzy-cursors-white";
            size = 32;
          };
        };
      };
      himalaya = {
        # lightly pink like himalayan salt
        polarity = "light";
        base16Scheme = fromBase16Schemes "atelier-plateau-light";
        image = wallpapers.mountains-pink;

        serif = {
          package = interPackage;
          name = "Inter Nerd Font";
        };

        monospace = {
          package = mesloLgPackage;
          name = "MesloLGM Nerd Font Mono";
        };

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Ice";
          size = 24;
        };
      };
      github = {
        polarity = "light";
        base16Scheme = fromBase16Schemes "github";
        image = wallpapers.abstract.squares;

        serif = {
          package = geistPackage;
          name = "Geist Light";
        };

        monospace = {
          package = geistMonoPackage;
          name = "GeistMono Nerd Font";
        };

        cursor = {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Ice";
          size = 24;
        };
      };
    };
  };
in {
  imports = with inputs; [
    stylix.nixosModules.stylix
  ];

  options = {
    module.stylix = {
      enable = mkEnableOption "enable stylix";

      useCursor = mkOption {
        type = bool;
        default = true;
        description = "enable cursor settings";
      };
      theme = mkOption {
        type = str;
        default = "nord";
      };
      polarity = mkOption {
        type = lib.types.enum ["dark" "light"];
        default = "dark";
      };
    };
  };

  config = mkIf cfg.enable {
    fonts.packages = [pkgs.nerd-fonts.symbols-only];
    stylix = let
      theme = themes.${cfg.polarity}.${cfg.theme};
    in
      {
        autoEnable = true;
        enable = true;

        # TODO: disable when stylix updates
        enableReleaseChecks = false;

        inherit (cfg) polarity;
        inherit
          (theme)
          # image
          base16Scheme
          ;
        image = null;

        targets.gtksourceview.enable = false;

        opacity = {
          applications = 1.0;
          terminal = 1.0;
          popups = 1.0;
          desktop = 1.0;
        };

        fonts = {
          sizes = {
            applications = 13;
            terminal = 13;
            popups = 14;
            desktop = 13;
          };

          inherit (theme) serif monospace;
          sansSerif = config.stylix.fonts.serif;
          emoji = config.stylix.fonts.serif;
        };
      }
      // optionalAttrs cfg.useCursor {
        cursor = {
          inherit (theme.cursor) package name size;
        };
      };
  };
}