import { Breakpoints, BreakpointsOptions } from './createBreakpoints';
import { Mixins, MixinsOptions } from './createMixins';
import { Palette, PaletteOptions } from './createPalette';
import { Typography, TypographyOptions } from './createTypography';
import { Shadows } from './shadows';
import { Shape, ShapeOptions } from './shape';
import { Spacing, SpacingOptions } from './createSpacing';
import { Transitions, TransitionsOptions } from './transitions';
import { ZIndex, ZIndexOptions } from './zIndex';
import { Components } from './components';

export type Direction = 'ltr' | 'rtl';

export interface ThemeOptions {
  shape?: ShapeOptions;
  breakpoints?: BreakpointsOptions;
  direction?: Direction;
  mixins?: MixinsOptions;
  components?: Components;
  palette?: PaletteOptions;
  shadows?: Shadows;
  spacing?: SpacingOptions;
  transitions?: TransitionsOptions;
  typography?: TypographyOptions | ((palette: Palette) => TypographyOptions);
  zIndex?: ZIndexOptions;
  unstable_strictMode?: boolean;
}

export interface Theme {
  shape: Shape;
  breakpoints: Breakpoints;
  direction: Direction;
  mixins: Mixins;
  components?: Components;
  palette: Palette;
  shadows: Shadows;
  spacing: Spacing;
  transitions: Transitions;
  typography: Typography;
  zIndex: ZIndex;
  unstable_strictMode?: boolean;
}

/**
 * Generate a theme base on the options received.
 * @param options Takes an incomplete theme object and adds the missing parts.
 * @param args Deep merge the arguments with the about to be returned theme.
 * @returns A complete, ready to use theme object.
 */
export default function createMuiTheme(options?: ThemeOptions, ...args: object[]): Theme;