/**
 * @license
 * Copyright 2024 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
import type { Workflow, WorkflowNode, Position, CanvasViewport, CanvasMode } from '../workflow-canvas.types.js';
import type { MarqueeState } from '../controllers/marquee.controller.js';
export type { CanvasViewport } from '../workflow-canvas.types.js';
/**
 * Connection state for edge creation
 */
export interface ConnectionState {
    sourceNodeId: string;
    sourcePortId: string;
    sourceIsInput: boolean;
    mouseX: number;
    mouseY: number;
}
/**
 * Drag state for node dragging
 */
export interface DragState {
    nodeId: string;
    startX: number;
    startY: number;
    offsetX: number;
    offsetY: number;
}
/**
 * Context menu state
 */
export interface ContextMenuState {
    x: number;
    y: number;
    type: 'canvas' | 'node' | 'edge';
    target?: string;
}
/**
 * Interface for the canvas host component
 * Controllers interact with the host through this interface
 */
export interface CanvasHost extends EventTarget {
    workflow: Workflow;
    readonly: boolean;
    disabled: boolean;
    showMinimap: boolean;
    showToolbar: boolean;
    showPalette: boolean;
    currentTheme: string;
    viewport: CanvasViewport;
    mode: CanvasMode;
    selectedNodeIds: Set<string>;
    selectedEdgeIds: Set<string>;
    connectionState: ConnectionState | null;
    dragState: DragState | null;
    contextMenu: ContextMenuState | null;
    isPanning: boolean;
    panStart: Position;
    hoveredEdgeId: string | null;
    marqueeState: MarqueeState | null;
    lastMousePosition: Position | null;
    configuredNode: WorkflowNode | null;
    expandedCategories: Set<string>;
    insertPanelNode: WorkflowNode | null;
    canvasWrapper: HTMLElement | null;
    canvasViewport: HTMLElement | null;
    configPanel: HTMLElement | null;
    insertPanel: HTMLElement | null;
    shadowRoot: ShadowRoot | null;
    toggleChatbotPanel?(): void;
    requestUpdate(): void;
    updateComplete: Promise<boolean>;
    setWorkflow(workflow: Workflow): void;
    dispatchWorkflowChanged(): void;
    dispatchViewportChanged(): void;
    dispatchNodeSelected(node: WorkflowNode): void;
    dispatchNodeMoved(node: WorkflowNode, position: Position): void;
}
/**
 * Base controller interface
 */
export interface CanvasBaseController {
    host: CanvasHost;
}
/**
 * Error handler interface for controllers
 */
export interface ErrorHandler {
    handleError(error: Error, context: string): void;
}
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