import { AppCommand } from "./hooks/command.ts";
import { FilterOption, PageMeta } from "../common/types.ts";

export type Notification = {
  id: number;
  message: string;
  type: "info" | "error";
  date: Date;
};

type EditorMode = "ro" | "rw";

export type PanelMode = number;

export type BuiltinSettings = {
  indexPage: string;
  vimMode?: boolean;
};

export type PanelConfig = {
  mode?: PanelMode;
  html?: string;
  script?: string;
};

export type AppViewState = {
  currentPage?: string;
  editingPageName: boolean;
  perm: EditorMode;
  forcedROMode: boolean;
  isLoading: boolean;
  showPageNavigator: boolean;
  showCommandPalette: boolean;
  unsavedChanges: boolean;
  panels: { [key: string]: PanelConfig };
  allPages: Set<PageMeta>;
  commands: Map<string, AppCommand>;
  notifications: Notification[];
  recentCommands: Map<string, Date>;

  showFilterBox: boolean;
  filterBoxLabel: string;
  filterBoxPlaceHolder: string;
  filterBoxOptions: FilterOption[];
  filterBoxHelpText: string;
  filterBoxOnSelect: (option: FilterOption | undefined) => void;
};

export const initialViewState: AppViewState = {
  perm: "rw",
  editingPageName: false,
  forcedROMode: false,
  isLoading: false,
  showPageNavigator: false,
  showCommandPalette: false,
  unsavedChanges: false,
  panels: {
    lhs: {},
    rhs: {},
    bhs: {},
    modal: {},
  },
  allPages: new Set(),
  commands: new Map(),
  recentCommands: new Map(),
  notifications: [],
  showFilterBox: false,
  filterBoxHelpText: "",
  filterBoxLabel: "",
  filterBoxOnSelect: () => {},
  filterBoxOptions: [],
  filterBoxPlaceHolder: "",
};

export type Action =
  | { type: "page-loaded"; meta: PageMeta }
  | { type: "page-loading"; name: string }
  | { type: "pages-listed"; pages: Set<PageMeta> }
  | { type: "page-changed" }
  | { type: "page-saved" }
  | { type: "start-navigate" }
  | { type: "stop-navigate" }
  | {
    type: "update-commands";
    commands: Map<string, AppCommand>;
  }
  | { type: "show-palette"; context?: string }
  | { type: "hide-palette" }
  | { type: "show-notification"; notification: Notification }
  | { type: "dismiss-notification"; id: number }
  | {
    type: "show-panel";
    id: "rhs" | "lhs" | "bhs" | "modal";
    config: PanelConfig;
  }
  | { type: "hide-panel"; id: string }
  | { type: "command-run"; command: string }
  | {
    type: "show-filterbox";
    options: FilterOption[];
    placeHolder: string;
    helpText: string;
    label: string;
    onSelect: (option: FilterOption | undefined) => void;
  }
  | { type: "hide-filterbox" }
  | { type: "set-editor-ro"; enabled: boolean };