import { Browser, isNullOrUndefined, Animation, AnimationOptions, Property, Complex, ChildProperty } from '@syncfusion/ej2-base';import { CircularChart3DPoints, CircularChart3DSeries } from '../renderer/series';import { BorderModel, ContainerPaddingModel, FontModel, MarginModel } from '../../common/model/base-model';import { CircularChart3D } from '../circularchart3d';import { Border, ContainerPadding, Font, Margin } from '../../common/model/base';import { Rect, Size, measureText } from '@syncfusion/ej2-svg-base';import { Alignment, LabelOverflow, LegendPosition, LegendTitlePosition, TextWrap } from '../../common/utils/enum';import { ChartLocation, textTrim, getElement } from '../../common/utils/helper';import { CircularChart3DLegendRenderEventArgs, CircularChart3DLegendClickEventArgs } from '../model/pie-interface';import { textWrap } from '../../common/utils/helper';import { legendClick } from '../../common/model/constants';import { LocationModel } from '../../common/model/base-model';import { Location } from '../../common/model/base';

/**
 * Interface for a class CircularChart3DLegendSettings
 */
export interface CircularChart3DLegendSettingsModel {

    /**
     * If set to true, the legend will be displayed for the chart.
     *
     * @default true
     */
    visible?: boolean;

    /**
     * The height of the legend in pixels.
     *
     * @default null
     */
    height?: string;

    /**
     * The width of the legend in pixels.
     *
     * @default null
     */
    width?: string;

    /**
     * Specifies the location of the legend, relative to the chart.
     * If x is 20, legend moves by 20 pixels to the right of the chart. It requires the `position` to be `Custom`.
     * ```html
     * <div id='Chart'></div>
     * ```
     * ```typescript
     * let pie: CircularChart3D = new CircularChart3D({
     * ...
     *   legendSettings: {
     *     visible: true,
     *     position: 'Custom',
     *     location: { x: 100, y: 150 },
     *   },
     * ...
     * });
     * pie.appendTo('#Chart');
     * ```
     */
    location?: LocationModel;

    /**
     * Position of the legend in the chart. Available options include:
     * * Auto: Places the legend based on the area type.
     * * Top: Displays the legend at the top of the chart.
     * * Left: Displays the legend at the left of the chart.
     * * Bottom: Displays the legend at the bottom of the chart.
     * * Right: Displays the legend at the right of the chart.
     * * Custom: Displays the legend based on the given x and y values.
     *
     * @default 'Auto'
     */
    position?: LegendPosition;

    /**
     * Option to customize the padding around the legend items.
     *
     * @default 8
     */
    padding?: number;

    /**
     * Option to customize the padding between legend items.
     *
     * @default null
     */
    itemPadding?: number;

    /**
     * Legend in chart can be aligned as follows:
     * * Near: Aligns the legend to the left of the chart.
     * * Center: Aligns the legend to the center of the chart.
     * * Far: Aligns the legend to the right of the chart.
     *
     * @default 'Center'
     */
    alignment?: Alignment;

    /**
     * Options to customize the legend text.
     */
    textStyle?: FontModel;

    /**
     * Shape height of the legend in pixels.
     *
     * @default 10
     */
    shapeHeight?: number;

    /**
     * Shape width of the legend in pixels.
     *
     * @default 10
     */
    shapeWidth?: number;

    /**
     * Options to customize the border of the legend.
     */
    border?: BorderModel;

    /**
     *  Options to customize left, right, top and bottom margins of the chart.
     */
    margin?: MarginModel;

    /**
     *  Options to customize left, right, top and bottom padding for legend container of the chart.
     */
    containerPadding?: ContainerPaddingModel;

    /**
     * Padding between the legend shape and text.
     *
     * @default 8
     */
    shapePadding?: number;

    /**
     * The background color of the legend that accepts value in hex and rgba as a valid CSS color string.
     *
     * @default 'transparent'
     */
    background?: string;

    /**
     * Opacity of the legend.
     *
     * @default 1
     */
    opacity?: number;

    /**
     * If set to true, series visibility collapses based on the legend visibility.
     *
     * @default true
     */
    toggleVisibility?: boolean;

    /**
     * If set to true, the series get highlighted, while hovering the legend.
     *
     * @default false
     */
    enableHighlight?: boolean;

    /**
     * Description for legends.
     *
     * @default null
     */
    description?: string;

    /**
     * TabIndex value for the legend.
     *
     * @default 3
     */
    tabIndex?: number;

    /**
     * Title for legends.
     *
     * @default null
     */
    title?: string;

    /**
     * Options to customize the legend title.
     */
    titleStyle?: FontModel;

    /**
     * Legend title position.
     *
     * @default 'Top'
     */
    titlePosition?: LegendTitlePosition;

    /**
     * Defines the text wrap behavior to employ when the individual legend text overflows.
     * * `Normal`: Specifies to break words only at allowed break points.
     * * `Wrap`: Specifies to break a word once it is too long to fit on a line by itself.
     * * `AnyWhere`: Specifies to break a word at any point if there are no otherwise-acceptable break points in the line.
     *
     * @default 'Normal'
     */
    textWrap?: TextWrap;

    /**
     * Defines the text overflow behavior to employ when the individual legend text overflows
     * * `Clip`: Specifies the text is clipped and not accessible.
     * * `Ellipsis`: Specifies an ellipsis (“...”) to the clipped text.
     *
     * @default 'Ellipsis'
     */
    textOverflow?: LabelOverflow;

    /**
     * Maximum width for the legend title.
     *
     * @default 100
     */
    maximumTitleWidth?: number;

    /**
     * Minimum label width for the legend text.
     *
     * @default null
     */
    maximumLabelWidth?: number;

    /**
     * If set to true, legend will be visible using pages.
     *
     * @default true
     */
    enablePages?: boolean;

    /**
     * If `isInversed` set to true, then it inverses legend item content (image and text).
     *
     * @default false.
     */
    isInversed?: boolean;

    /**
     * If `reverse` is set to true, it reverses the order of legend items.
     *
     * @default false
     */
    reverse?: boolean;

}

/**
 * Interface for a class CircularChartLegend3D
 */
export interface CircularChartLegend3DModel {

}