import { Dom7Array } from 'dom7';
import Framework7, { CSSSelector, Framework7EventsClass, Framework7Plugin } from '../app/app-class';

export namespace Range {
  interface Parameters {
    /** Range Slider element. HTMLElement or string with CSS selector of range slider element */
    el: HTMLElement | CSSSelector;
    /** Range Slider input element or CSS selector of input element. If not specified, will try to look for input type="range" inside of range slider element */
    inputEl?: HTMLElement | CSSSelector;
    /** Enable dual range slider (default false) */
    dual?: boolean;
    /** Minimal step between values (default 1) */
    step?: number;
    /** Enables additional label around range slider knob (default false) */
    label?: boolean;
    /** Method must return formatted range knob label text. As an argument it receives label value */
    formatLabel?: (value: number) => string;
    /** Minimum value */
    min?: number;
    /** Maximum value */
    max?: number;
    /** Initial value. Number in case of single range, and array of values in case of dual range */
    value?: number | number[];
    /** When enabled it is also possible to interact with range slider (change value) on range bar click and swipe (default true) */
    draggableBar?: boolean;
    /** Enables vertical range slider (default false) */
    vertical?: boolean;
    /** Makes vertical range slider reversed (default false) */
    verticalReversed?: boolean;
    /** Enables range slider scale (default false) */
    scale?: boolean;
    /** Number of scale steps (default 5) */
    scaleSteps?: number;
    /** Number of scale sub steps (each step will be divided by this value) (default 0) */
    scaleSubSteps?: number;
    /** Method must return formatted scale value. As an argument it receives currect scale step value. This method will be called as for each scale step. */
    formatScaleLabel?: (value: number) => string;
    /** Limit knob position to the size of range bar. By default enabled from iOS theme */
    limitKnobPosition?: boolean;
    /** Object with events handlers.. */
    on?: {
      [event in keyof Events]?: Events[event];
    };
  }
  interface Range extends Framework7EventsClass<Events> {
    /** Link to global app instance */
    app: Framework7;
    /** Range HTML element */
    el: HTMLElement;
    /** Dom7 instance with range HTML element */
    $el: Dom7Array;
    /** Range Slider input HTML element */
    inputEl: HTMLElement;
    /** Dom7 instance with range slider input HTML element */
    $inputEl: Dom7Array;
    /** Range slider width (in px) */
    rangeWidth: number;
    /** Range slider height (in px) */
    rangeHeight: number;
    /** Boolean property indicating whether it is dual or not */
    dual: boolean;
    /** Range min value */
    min: number;
    /** Range max value */
    max: number;
    /** Range value */
    value: number | number[];
    /** Boolean property indicating whether scale is enabled or not */
    scale: boolean;
    /** Number of scale steps */
    scaleSteps: number;
    /** Number of scale sub steps */
    scaleSubSteps: number;
    /** Dom7 instance with generated scale HTML element */
    $scaleEl: Dom7Array;
    /** Array where each element represents HTMLElement of created range knob (2 knobs in case of dual slider) */
    knobs: HTMLElement[];
    /** Array where each element represent HTMLElement of created range knob label (2 labels in case of dual slider) */
    labels: HTMLElement[];
    /** Boolean property indicating whether it is vertical or not */
    vertical: boolean;
    /** Boolean property indicating whether it is vertical and reversed or not */
    verticalReversed: boolean;
    /** Range parameters */
    params: Parameters;
    /** Returns range slider value */
    getValue(): number | number[];
    /** Set new range slider value */
    setValue(value: number | number[]): Range;
    /** Destroy range slider */
    destroy(): void;
  }
  interface Events {
    /** Event will be triggered when range value has been changed. As an argument event handler receives range instance */
    change: (range: Range) => void;
    /** Event will be triggered on slider knob release after value change. As an argument event handler receives range instance */
    changed: (range: Range) => void;
    /** Event will be triggered right before Range slider instance will be destroyed */
    beforeDestroy: (range: Range) => void;
  }
  interface DomEvents {
    /** Event will be triggered when range value has been changed. As an argument event handler receives range instance */
    'range:change': () => void;
    /** Event will be triggered on slider knob release after value change. As an argument event handler receives range instance */
    'range:changed': () => void;
    /** Event will be triggered right before Range slider instance will be destroyed */
    'range:beforedestroy': () => void;
  }

  interface AppMethods {
    range: {
      /** create Range Slider instance */
      create(parameters: Parameters): Range;
      /** get Range Slider instance by HTML element */
      get(el: HTMLElement | CSSSelector | Range): Range;
      /** get Range Slider value */
      getValue(el: HTMLElement | CSSSelector | Range): number | number[];
      /** set new Range Slider value */
      setValue(el: HTMLElement | CSSSelector | Range, value: number | number[]): void;
      /** destroy Range Slider instance */
      destroy(el: HTMLElement | CSSSelector | Range): void;
    };
  }
  interface AppParams {
    range?: Parameters | undefined;
  }
  interface AppEvents {
    /** Event will be triggered when range value has been changed. As an argument event handler receives range instance */
    rangeChange: (range: Range) => void;
    /** Event will be triggered on slider knob release after value change. As an argument event handler receives range instance */
    rangeChanged: (range: Range) => void;
    /** Event will be triggered right before Range slider instance will be destroyed */
    rangeBeforeDestroy: (range: Range) => void;
  }
}

declare const RangeComponent: Framework7Plugin;

export default RangeComponent;