/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import type DeepPartial from './common/DeepPartial';
import { type Styles } from './common/Styles';
import { formatDate, formatBigNumber } from './common/utils/format';

import { type IndicatorCreate } from './component/Indicator';
import { type PaneOptions } from './pane/types';

export enum FormatDateType {
  Tooltip,
  Crosshair,
  XAxis,
}

export type FormatDate = (
  dateTimeFormat: Intl.DateTimeFormat,
  timestamp: number,
  format: string,
  type: FormatDateType,
) => string;

export type FormatBigNumber = (value: string | number) => string;

export interface CustomApi {
  formatDate: FormatDate;
  formatBigNumber: FormatBigNumber;
}

export function getDefaultCustomApi(): CustomApi {
  return {
    formatDate,
    formatBigNumber,
  };
}

export const defaultLocale = 'en-US';

export interface Locales {
  time: string;
  open: string;
  high: string;
  low: string;
  close: string;
  volume: string;
  change: string;
  turnover: string;
  [key: string]: string;
}

export const enum LayoutChildType {
  Candle = 'candle',
  Indicator = 'indicator',
  XAxis = 'xAxis',
}

export interface LayoutChild {
  type: LayoutChildType;
  content?: Array<string | IndicatorCreate>;
  options?: PaneOptions;
}

export interface Options {
  layout?: LayoutChild[];
  locale?: string;
  yScrolling?: boolean;
  timezone?: string;
  styles?: string | DeepPartial<Styles>;
  customApi?: Partial<CustomApi>;
  thousandsSeparator?: string;
  decimalFoldThreshold?: number;
}