import type { AttributeType, DataElement } from "../data/elements";
import type { Alignment, Axis, CrossAxisAlignment, Fit, MainAxisAlignment, MainAxisSize, PageContainerType, Stretch, TitleFrom } from "../enums";
import type { ActionDefinition } from "../structural/actions";
import type { LabeledElement, NamedElement } from "./base";
import type { ButtonGroup } from "./buttons";
/**
 * Size specification.
 * Maps to: ui:Size
 *
 * EMF Defaults:
 * - width: -1 (unset/auto)
 * - height: -1 (unset/auto)
 */
export interface Size {
    /** Width in pixels. @default -1 (unset/auto) */
    width?: number;
    /** Height in pixels. @default -1 (unset/auto) */
    height?: number;
}
/**
 * Size constraints (min/max).
 * Maps to: ui:SizeConstraint
 *
 * EMF Defaults:
 * - minWidth: -1 (no minimum)
 * - minHeight: -1 (no minimum)
 * - maxWidth: -1 (no maximum)
 * - maxHeight: -1 (no maximum)
 */
export interface SizeConstraint {
    /** Minimum width. @default -1 (no minimum) */
    minWidth?: number;
    /** Minimum height. @default -1 (no minimum) */
    minHeight?: number;
    /** Maximum width. @default -1 (no maximum) */
    maxWidth?: number;
    /** Maximum height. @default -1 (no maximum) */
    maxHeight?: number;
}
/**
 * Alignment specification.
 * Maps to: ui:Align
 */
export interface Align {
    alignment: Alignment;
}
/**
 * Frame styling for cards/panels.
 * Maps to: ui:Frame
 *
 * EMF Defaults:
 * - elevation: 4
 * - radius: 5
 */
export interface Frame {
    "xmi:id"?: string;
    /** Elevation level for shadow effect. @default 4 */
    elevation?: number;
    /** Border radius. @default 5 */
    radius?: number;
}
/**
 * Icon definition.
 * Maps to: ui:Icon
 */
export interface Icon extends NamedElement {
    iconName?: string;
}
/**
 * Base visual element - all UI components extend this.
 * Maps to: ui:VisualElement
 *
 * EMF Defaults:
 * - col: 4
 * - row: 1
 * - fit: NONE
 * - stretch: NONE
 * - disabled: false
 * - isInCard: false
 * - isReadOnly: false
 */
export interface VisualElement extends NamedElement, LabeledElement {
    "@type": string;
    /** Column span in grid layout. @default 4 */
    col?: number;
    /** Row span in grid layout. @default 1 */
    row?: number;
    /** Fit behavior in flex container. @default NONE */
    fit?: Fit;
    /** Stretch behavior. @default NONE */
    stretch?: Stretch;
    size?: Size;
    sizeConstraint?: SizeConstraint;
    align?: Align;
    order?: number;
    /** Whether element is disabled. @default false */
    disabled?: boolean;
    hidden?: boolean;
    /** Whether element is read-only. @default false */
    isReadOnly?: boolean;
    /** Whether element is in a card context. @default false */
    isInCard?: boolean;
    /** Resolved reference to AttributeType that controls visibility */
    hiddenBy?: AttributeType;
    /** Resolved reference to AttributeType that controls enabled state */
    enabledBy?: AttributeType;
    /** Resolved reference to AttributeType that controls required state */
    requiredBy?: AttributeType;
    customImplementation?: boolean;
    onBlur?: boolean;
    subTheme?: string;
}
/**
 * Base container with children.
 * Maps to: ui:Container
 */
export interface Container extends VisualElement {
    children: VisualElement[];
    actionButtonGroups?: ButtonGroup[];
}
/**
 * Flex layout container.
 * Maps to: ui:Flex
 *
 * EMF Defaults:
 * - direction: HORIZONTAL (first enum literal)
 * - mainAxisAlignment: CENTER (first enum literal)
 * - crossAxisAlignment: START (explicit default)
 * - mainAxisSize: MIN (first enum literal)
 */
export interface Flex extends Container {
    "@type": "Flex";
    /** Layout direction. @default HORIZONTAL */
    direction?: Axis;
    /** Main axis alignment. @default CENTER */
    mainAxisAlignment?: MainAxisAlignment;
    /** Cross axis alignment. @default START */
    crossAxisAlignment?: CrossAxisAlignment;
    /** Main axis size behavior. @default MIN */
    mainAxisSize?: MainAxisSize;
    /** Resolved reference to DataElement */
    dataElement?: DataElement;
    frame?: Frame;
}
/**
 * Page container - top level container for pages.
 * Maps to: ui:PageContainer
 *
 * EMF Defaults:
 * - type: TABLE (first enum literal)
 * - generateVisualPropertiesHook: false
 * - Inherits Flex defaults
 */
export interface PageContainer extends Omit<Flex, "@type"> {
    "@type": "PageContainer";
    transferPackageNameTokens?: string[];
    transferPageName?: string;
    /** Resolved reference to title AttributeType */
    titleAttribute?: AttributeType;
    titleFrom?: TitleFrom;
    /** Resolved reference to onInit ActionDefinition */
    onInit?: ActionDefinition;
    /** Container type. @default TABLE */
    type?: PageContainerType;
    templateAction?: ActionDefinition;
    /** Resolved references to additional mask AttributeTypes */
    additionalMaskAttributes?: AttributeType[];
    /** Whether to generate visual properties hook. @default false */
    generateVisualPropertiesHook: boolean;
}
/**
 * Empty space for layout.
 * Maps to: ui:Spacer
 */
export interface Spacer extends VisualElement {
    "@type": "Spacer";
}
/**
 * Visual divider/separator.
 * Maps to: ui:Divider
 */
export interface Divider extends VisualElement {
    "@type": "Divider";
}
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