import { Ctx } from '../ctx/base';
import {
  isArray,
  isBoolean,
  isNullish,
  isNumber,
  isRecord,
  isString,
} from '../guardUtils.js';

export type ManualFieldExtensionsHook = {
  /**
   * Use this function to declare new field extensions that users will be able
   * to install manually in some field
   *
   * @tag manualFieldExtensions
   */
  manualFieldExtensions: (
    ctx: ManualFieldExtensionsCtx,
  ) => ManualFieldExtension[];
};

export type ManualFieldExtensionsCtx = Ctx;

/**
 * An object expressing a field extension that users will be able
 * to install manually in some field
 *
 * @see {isManualFieldExtension}
 */
export type ManualFieldExtension = {
  /**
   * ID of field extension. Will be the first argument for the
   * `renderFieldExtension` function
   */
  id: string;
  /** Name to be shown when editing fields */
  name: string;
  /**
   * Type of field extension. An `editor` extension replaces the default field
   * editor that DatoCMS provides, while an `addon` extension is placed
   * underneath the field editor to provide additional info/behaviour. You can
   * setup multiple field addons for every field.
   */
  type: FieldExtensionType;
  /**
   * For `editor` extensions: moves the field to the sidebar of the record
   * editing page, mimicking a sidebar panel
   */
  asSidebarPanel?: boolean | { startOpen: boolean };
  /**
   * The type of fields that the field extension in compatible with. You can use
   * the shortcut `all` to target all types of fields
   */
  fieldTypes: 'all' | FieldType[];
  /**
   * Whether this field extension needs some configuration options before being
   * installed in a field or not. Will trigger the
   * `renderManualFieldExtensionConfigScreen` and
   * `validateManualFieldExtensionParameters` methods
   */
  configurable?: boolean | { initialHeight: number };
  /**
   * The initial height to set for the iframe that will render the field
   * extension
   */
  initialHeight?: number;
};

/**
 * The sidebar in the Content Area presents a number of user-defined menu-items.
 * This object represents a new item to be added in the sidebar.
 */

export type FieldExtensionType = 'editor' | 'addon';

export type FieldType =
  | 'boolean'
  | 'color'
  | 'date_time'
  | 'date'
  | 'file'
  | 'float'
  | 'gallery'
  | 'integer'
  | 'json'
  | 'lat_lon'
  | 'link'
  | 'links'
  | 'rich_text'
  | 'seo'
  | 'slug'
  | 'string'
  | 'structured_text'
  | 'text'
  | 'video';

export function isManualFieldExtension(
  value: unknown,
): value is ManualFieldExtension {
  return (
    isRecord(value) &&
    isString(value.id) &&
    isString(value.name) &&
    isString(value.type) &&
    ['editor', 'addon'].includes(value.type) &&
    (isNullish(value.asSidebarPanel) ||
      isBoolean(value.asSidebarPanel) ||
      (isRecord(value.asSidebarPanel) &&
        isBoolean(value.asSidebarPanel.startOpen))) &&
    ((isString(value.fieldTypes) && value.fieldTypes === 'all') ||
      isArray(value.fieldTypes, isString)) &&
    (isNullish(value.configurable) ||
      isBoolean(value.configurable) ||
      (isRecord(value.configurable) &&
        isNumber(value.configurable.initialHeight))) &&
    (isNullish(value.initialHeight) || isNumber(value.initialHeight))
  );
}

export function isReturnTypeOfManualFieldExtensionsHook(
  value: unknown,
): value is ManualFieldExtension[] {
  return isArray(value, isManualFieldExtension);
}