/*
 * This file is part of the kernelstudio package.
 *
 * (c) 2014-2026 zlin <admin@kernelstudio.com>
 *
 * For the full copyright and license information, please view the LICENSE file
 * that was distributed with this source code.
 */
import type { GraphEdgeElement, GraphTaskElement, NodeGraph } from './element';
import { Edge, Graph, Node } from '@antv/x6';

export const defaultHeight: Record<string, number> = {
  component: 110,
};

export const createGraphTaskElement = (element: GraphTaskElement, width: number = 250, height: number = 120): any => {
  let realHeight = defaultHeight[element.category as string];
  if (!realHeight) {
    realHeight = 120;
  }
  if(element.group === 'condition' || element.group === 'control') {
    realHeight = 60;
  }
  return {
    shape: 'task',
    id: element.key,
    position: {
      x: element.position?.x || 0,
      y: element.position?.y || 0,
    },
    size: {
      width: width,
      height: realHeight,
    },
    attrs: {
      label: {
        text: element.name,
      },
    },
    data: element,
  };
};

export const resolveGraphTaskElements = (graph: Graph): GraphTaskElement[] => {
  const taskElements: GraphTaskElement[] = [];
  if (graph) {
    const nodes = graph?.getNodes() as Node[];
    if (nodes) {
      nodes.forEach(node => {
        const nodeData = node.getData() as GraphTaskElement;
        const newElement = {
          ...nodeData,
          key: node.id,
          position: node.getPosition(),
          width: node.getSize().width,
          height: node.getSize().height,
        };
        taskElements.push(newElement);
      });
    }
  }
  return taskElements;
};

export const resolveGraphEdgeElements = (graph: Graph): GraphEdgeElement[] => {
  const edgeElements: GraphEdgeElement[] = [];
  if (graph) {
    const graphEdges = graph?.getEdges() ?? [] as Edge[];
    if (graphEdges) {
      graphEdges.forEach(edge => {
        const nodeData = edge.getData() as GraphTaskElement;
        edgeElements.push({
          id: nodeData?.id ?? 0,
          key: edge.id,
          type: 'edge',
          status: nodeData?.status,
          source: edge.getSource() ? edge.getSource() as unknown as string : null,
          target: edge.getSource() ? edge.getTarget() as unknown as string : null,
          attrs: edge.getAttrs() ?? {},
          router: edge.getRouter() ?? {},
          connector: edge.getConnector() ?? null,
        });
      });
    }
  }
  return edgeElements;
};

export const resolveNodeGraph = (graph: Graph): NodeGraph => {
  const nodes: GraphTaskElement[] = resolveGraphTaskElements(graph);
  const edges: GraphEdgeElement[] = resolveGraphEdgeElements(graph);
  return {
    nodes,
    edges,
  };
};

export const hasElements = (graph: Graph): boolean => {
  if (graph) {
    const taskElements: GraphTaskElement[] = resolveGraphTaskElements(graph);
    return taskElements.length > 0;
  }
  return false;
};

export const hasRootElementNode = (graph: Graph): boolean => {
  if (graph) {
    const taskElements: GraphTaskElement[] = resolveGraphTaskElements(graph);
    return taskElements.filter(e => e.type === 'root').length === 1;
  }
  return false;
};