/**
 *
 * Rating component is a star based selection input.
 *
 * [Live Demo](https://www.primevue.dev/rating/)
 *
 * @module rating
 *
 */
import type { DefineComponent, DesignToken, EmitFn, PassThrough } from '@primevue/core';
import type { ComponentHooks } from '@primevue/core/basecomponent';
import type { PassThroughOptions } from 'primevue/passthrough';
import { VNode } from 'vue';

export declare type RatingPassThroughOptionType = RatingPassThroughAttributes | ((options: RatingPassThroughMethodOptions) => RatingPassThroughAttributes | string) | string | null | undefined;

/**
 * Custom passthrough(pt) option method.
 */
export interface RatingPassThroughMethodOptions {
    /**
     * Defines instance.
     */
    instance: any;
    /**
     * Defines valid properties.
     */
    props: RatingProps;
    /**
     * Defines current inline state.
     */
    state: RatingState;
    /**
     * Defines current options.
     */
    context: RatingContext;
    /**
     * Defines valid attributes.
     */
    attrs: any;
    /**
     * Defines parent options.
     */
    parent: any;
    /**
     * Defines passthrough(pt) options in global config.
     */
    global: object | undefined;
}

/**
 * Custom passthrough(pt) options.
 * @see {@link RatingProps.pt}
 */
export interface RatingPassThroughOptions {
    /**
     * Used to pass attributes to the root's DOM element.
     */
    root?: RatingPassThroughOptionType;
    /**
     * Used to pass attributes to the option's DOM element.
     */
    option?: RatingPassThroughOptionType;
    /**
     * Used to pass attributes to the on icon's DOM element.
     */
    onIcon?: RatingPassThroughOptionType;
    /**
     * Used to pass attributes to the off icon's DOM element.
     */
    offIcon?: RatingPassThroughOptionType;
    /**
     * Used to pass attributes to the half-value hidden radio input element (only rendered when `allowHalf` is true).
     */
    halfInput?: RatingPassThroughOptionType;
    /**
     * Used to pass attributes to the full-value hidden radio input element.
     */
    fullInput?: RatingPassThroughOptionType;
    /**
     * Used to manage all lifecycle hooks.
     * @see {@link BaseComponent.ComponentHooks}
     */
    hooks?: ComponentHooks;
}

/**
 * Custom passthrough attributes for each DOM elements
 */
export interface RatingPassThroughAttributes {
    [key: string]: any;
}

/**
 * Defines current inline state in Rating component.
 */
export interface RatingState {
    /**
     * Whether the rating is currently being hovered/previewed.
     */
    hovering: boolean;
    /**
     * The previewed value during hover or focus, used for visual feedback before commit.
     */
    hoveringValue: number;
}

/**
 * Defines current options in Rating component.
 */
export interface RatingContext {
    /**
     * Whether the option is fully highlighted (filled).
     * @defaultValue false
     */
    highlighted: boolean;
    /**
     * Whether the option is half-highlighted (only relevant when `allowHalf` is true).
     * @defaultValue false
     */
    half: boolean;
    /**
     * Whether the option's value matches the committed model value.
     * @defaultValue false
     */
    checked: boolean;
}

/**
 * Custom change event.
 * @see {@link RatingEmitsOptions.change}
 */
export interface RatingChangeEvent {
    /**
     * Browser event
     */
    originalEvent: Event;
    /**
     * Selected option value
     */
    value: number | null;
}

/**
 * Defines valid properties in Rating component.
 */
export interface RatingProps {
    /**
     * Value of the rating.
     */
    modelValue?: number | null | undefined;
    /**
     * The default value for the input when not controlled by `modelValue`.
     */
    defaultValue?: number | null | undefined;
    /**
     * Name of the element.
     */
    name?: string | undefined;
    /**
     * When present, it specifies that the element should be disabled.
     * @defaultValue false
     */
    disabled?: boolean | undefined;
    /**
     * When present, it specifies that component is read-only.
     * @defaultValue false
     */
    readonly?: boolean | undefined;
    /**
     * Number of stars.
     * @defaultValue 5
     */
    stars?: number | undefined;
    /**
     * When enabled, allows half-value selection (e.g. 1.5, 2.5). Each star renders an additional sr-only radio input for the half value.
     * @defaultValue false
     */
    allowHalf?: boolean | undefined;
    /**
     * Layout orientation of the stars.
     * @defaultValue 'horizontal'
     */
    orientation?: 'horizontal' | 'vertical' | undefined;
    /**
     * Icon for the on state.
     */
    onIcon?: string | undefined;
    /**
     * Icon for the off state.
     */
    offIcon?: string | undefined;
    /**
     * Form control object, typically used for handling validation and form state.
     */
    formControl?: Record<string, any> | undefined;
    /**
     * It generates scoped CSS variables using design tokens for the component.
     */
    dt?: DesignToken<any>;
    /**
     * Used to pass attributes to DOM elements inside the component.
     * @type {RatingPassThroughOptions}
     */
    pt?: PassThrough<RatingPassThroughOptions>;
    /**
     * Used to configure passthrough(pt) options of the component.
     * @type {PassThroughOptions}
     */
    ptOptions?: PassThroughOptions;
    /**
     * When enabled, it removes component related styles in the core.
     * @defaultValue false
     */
    unstyled?: boolean;
}

/**
 * Defines valid slots in Rating component.
 */
export interface RatingSlots {
    /**
     * Custom on icon template.
     * @param {Object} scope - on icon slot's params.
     */
    onicon(scope: {
        /**
         * Star value (1..stars).
         */
        value: number;
    }): VNode[];
    /**
     * Custom off icon template.
     * @param {Object} scope - off icon slot's params.
     */
    officon(scope: {
        /**
         * Star value (1..stars).
         */
        value: number;
    }): VNode[];
}

/**
 * Defines valid emits in Rating component.
 */
export interface RatingEmitsOptions {
    /**
     * Emitted when the value changes.
     * @param {number | null} value - New value.
     */
    'update:modelValue'(value: number | null): void;
    /**
     * Emitted when the value changes in uncontrolled mode (payload is the new primitive value).
     * @param {number | null} value - New value.
     */
    'value-change'(value: number | null): void;
    /**
     * Callback invoked when the value changes. Mirrors PrimeReact's `onValueChange` payload shape.
     * @param {RatingChangeEvent} event - Custom change event with the original event and the new value.
     */
    change(event: RatingChangeEvent): void;
    /**
     * Callback to invoke when an inner radio input receives focus.
     * @param {Event} event - Browser event.
     */
    focus(event: Event): void;
    /**
     * Callback to invoke when focus leaves the component.
     * @param {Event} event - Browser event.
     */
    blur(event: Event): void;
}

export declare type RatingEmits = EmitFn<RatingEmitsOptions>;

/**
 * **PrimeVue - Rating**
 *
 * _Rating component is a star based selection input._
 *
 * [Live Demo](https://www.primevue.dev/rating/)
 * --- ---
 * ![PrimeVue](https://primefaces.org/cdn/primevue/images/logo-100.png)
 *
 * @group Component
 *
 */
declare const Rating: DefineComponent<RatingProps, RatingSlots, RatingEmits>;

declare module 'vue' {
    export interface GlobalComponents {
        Rating: DefineComponent<RatingProps, RatingSlots, RatingEmits>;
    }
}

export default Rating;