{
  lib,
  config,
  pkgs,
  ...
}: let
  inherit (lib) mkEnableOption mkOption mkIf types trivial strings replaceStrings;
  inherit (builtins) concatStringsSep elem;
  cfg = config.horseman.wm.hyprland;
  keybinding = types.submodule {
    options = {
      flags = mkOption {
        type = types.listOf (types.enum ["l" "r" "c" "g" "o" "e" "m" "t" "i" "s" "d" "p"]);
      };

      mods = mkOption {
        type = types.listOf types.str;
      };

      key = mkOption {
        type = types.str;
      };

      dispatcher = mkOption {
        type = types.str;
      };

      params = mkOption {
        type = types.str;
      };
    };
  };
in {
  options = {
    horseman.wm.hyprland = {
      enable = mkEnableOption "Hyprland";

      config = {
        execOnce = mkOption {type = types.listOf types.str;};
        env = mkOption {type = types.listOf types.str;};
        windowrules = mkOption {type = types.listOf types.str;};

        workspaces = mkOption {
          type = types.listOf types.str;
        };

        general = {
          gapsIn = mkOption {type = types.int;};
          gapsOut = mkOption {type = types.int;};
          borderSize = mkOption {type = types.int;};
          col.activeBorder = mkOption {type = types.str;};
          col.inactiveBorder = mkOption {type = types.str;};
          resizeOnBorder = mkOption {type = types.bool;};
          allowTearing = mkOption {type = types.bool;};
          layout = mkOption {type = types.enum ["dwindle" "master"];};
        };

        decoration = {
          rounding = mkOption {type = types.int;};
          activeOpacity = mkOption {type = types.float;};
          inactiveOpacity = mkOption {type = types.float;};

          shadow = {
            enabled = mkOption {type = types.bool;};
            range = mkOption {type = types.int;};
            renderPower = mkOption {type = types.int;};
            color = mkOption {type = types.str;};
          };

          blur = {
            enabled = mkOption {type = types.bool;};
            size = mkOption {type = types.int;};
            passes = mkOption {type = types.int;};
            vibrancy = mkOption {type = types.float;};
          };
        };

        animations = {
          enabled = mkOption {
            type = types.bool;
          };

          beziers = mkOption {
            type = types.listOf (types.submodule {
              options = {
                name = mkOption {type = types.str;};
                startX = mkOption {type = types.number;};
                startY = mkOption {type = types.number;};
                endX = mkOption {type = types.number;};
                endY = mkOption {type = types.number;};
              };
            });
          };

          animations = mkOption {
            type = types.listOf (types.submodule {
              options = {
                name = mkOption {type = types.str;};
                on = mkOption {type = types.bool;};
                speed = mkOption {
                  type = types.number;
                  default = 0;
                };
                curve = mkOption {
                  type = types.str;
                  default = "";
                };
                style = mkOption {
                  type = types.str;
                  default = "";
                };
              };
            });
          };
        };

        dwindle = {
          pseudotile = mkOption {
            type = types.bool;
          };

          preserveSplit = mkOption {
            type = types.bool;
          };
        };

        master = {
          newStatus = mkOption {
            type = types.enum ["master" "slave" "inherit"];
          };
        };

        misc = {
          forceDefaultWallpaper = mkOption {
            type = types.enum [0 1 2 (-1)];
          };
        };

        input = {
          kbLayout = mkOption {
            type = types.str;
          };

          repeatRate = mkOption {
            type = types.int;
          };

          repeatDelay = mkOption {
            type = types.int;
          };

          followMouse = mkOption {
            type = types.enum [0 1 2 3];
          };

          sensitivity = mkOption {
            type = types.numbers.between (-1.0) 1.0;
          };

          numlockByDefault = mkOption {
            type = types.bool;
          };

          touchpad = {
            naturalScroll = mkOption {
              type = types.bool;
            };
          };
        };

        gestures = {
          workspaceSwipe = mkOption {
            type = types.bool;
          };
        };

        monitors = {
          defaultMonitor = mkOption {
            type = types.bool;
          };

          displays = mkOption {
            type = types.listOf (types.submodule {
              options = {
                output = mkOption {type = types.str;};
                resolution = mkOption {
                  type = types.str;
                  default = "highres";
                };
                refreshRate = mkOption {
                  type = types.str;
                  default = "highrr";
                };
                x = mkOption {type = types.int;};
                y = mkOption {type = types.int;};
                scale = mkOption {
                  type = types.number;
                  default = 1;
                };
                transform = mkOption {
                  type = types.enum [0 1 2 3 4 5 6 7];
                  default = 0;
                };
              };
            });
          };
        };

        keybindings = mkOption {
          type = types.listOf keybinding;
        };
      };
    };
  };

  config = mkIf cfg.enable {
    generatedHyprlandConf = pkgs.writeTextFile {
      name = "hyprland.conf";
      text = ''
        # This file has been auto-generated.

        ${concatStringsSep "\n" (map (kb: "bind${concatStringsSep "" kb.flags} = ${concatStringsSep " " kb.mods}, ${kb.key}, ${kb.dispatcher}${
            if (elem "m" kb.flags) # Mouse binds take one argument less
            then ""
            else ", ${replaceStrings ["%"] ["%%"] kb.params}"
          }")
          cfg.config.keybindings)}

        ${concatStringsSep "\n" (map (x: "exec-once = " + x) cfg.config.execOnce)}

        ${concatStringsSep "\n" (map (x: "env = " + x) cfg.config.env)}

        general {
            gaps_in = ${toString cfg.config.general.gapsIn}
            gaps_out = ${toString cfg.config.general.gapsOut}
            border_size = ${toString cfg.config.general.borderSize}
            col.active_border = ${cfg.config.general.col.activeBorder}
            col.inactive_border = ${cfg.config.general.col.inactiveBorder}
            resize_on_border = ${trivial.boolToString cfg.config.general.resizeOnBorder}
            allow_tearing = ${trivial.boolToString cfg.config.general.allowTearing}
            layout = ${cfg.config.general.layout}
        }

        decoration {
            rounding = ${toString cfg.config.decoration.rounding}

            active_opacity = ${strings.floatToString cfg.config.decoration.activeOpacity}
            inactive_opacity = ${strings.floatToString cfg.config.decoration.inactiveOpacity}

            shadow {
                enabled = ${trivial.boolToString cfg.config.decoration.shadow.enabled}
                range = ${toString cfg.config.decoration.shadow.range}
                render_power = ${toString cfg.config.decoration.shadow.renderPower}
                color = ${cfg.config.decoration.shadow.color}
            }

            blur {
                enabled = ${trivial.boolToString cfg.config.decoration.blur.enabled}
                size = ${toString cfg.config.decoration.blur.size}
                passes = ${toString cfg.config.decoration.blur.passes}
                vibrancy = ${strings.floatToString cfg.config.decoration.blur.vibrancy}
            }
        }

        animations {
            enabled = ${trivial.boolToString cfg.config.animations.enabled}

            ${concatStringsSep "\n    " (map (bez: "bezier = ${bez.name}, ${strings.floatToString bez.startX}, ${strings.floatToString bez.startY}, ${strings.floatToString bez.endX}, ${strings.floatToString bez.endY}") cfg.config.animations.beziers)}

            ${concatStringsSep "\n    " (map (anim: "animation = ${anim.name}, ${toString anim.on}, ${strings.floatToString anim.speed}, ${anim.curve}, ${replaceStrings ["%"] ["%%"] anim.style}") cfg.config.animations.animations)}
        }

        dwindle {
            pseudotile = ${trivial.boolToString cfg.config.dwindle.pseudotile}
            preserve_split = ${trivial.boolToString cfg.config.dwindle.preserveSplit}
        }

        master {
            new_status = ${cfg.config.master.newStatus}
        }

        misc {
            force_default_wallpaper = ${toString cfg.config.misc.forceDefaultWallpaper}
        }

        input {
            kb_layout = ${cfg.config.input.kbLayout}
            repeat_rate = ${toString cfg.config.input.repeatRate}
            repeat_delay = ${toString cfg.config.input.repeatDelay}
            follow_mouse = ${toString cfg.config.input.followMouse}
            sensitivity = ${strings.floatToString cfg.config.input.sensitivity}
            numlock_by_default = ${trivial.boolToString cfg.config.input.numlockByDefault}

            touchpad {
                natural_scroll = ${trivial.boolToString cfg.config.input.touchpad.naturalScroll}
            }
        }

        gestures {
            workspace_swipe = ${trivial.boolToString cfg.config.gestures.workspaceSwipe}
        }

        ${concatStringsSep "\n" (map (mon: "monitor = ${mon.output}, ${mon.resolution}@${mon.refreshRate}, ${toString mon.x}x${toString mon.y}, ${strings.floatToString mon.scale}, transform, ${toString mon.transform}") cfg.config.monitors.displays)}

        ${
          if cfg.config.monitors.defaultMonitor
          then "monitor = ,preferred, auto, auto"
          else ""
        }

        ${concatStringsSep "\n" (map (ws: "workspace = " + ws) cfg.config.workspaces)}

        ${concatStringsSep "\n" (map (wr: "windowrule = " + replaceStrings ["%"] ["%%"] wr) cfg.config.windowrules)}
      '';
    };
  };
}