import { Injectable } from '@angular/core';
import { Node } from '../cartography/models/node';

import 'rxjs/add/operator/map';
import { Server } from '../models/server';
import { HttpServer } from './http-server.service';
import { Port } from '../models/port';
import { Link } from '../models/link';
import { LinkNode } from '../models/link-node';

@Injectable()
export class LinkService {
  constructor(private httpServer: HttpServer) {}

  createLink(server: Server, source_node: Node, source_port: Port, target_node: Node, target_port: Port) {
    return this.httpServer.post(server, `/projects/${source_node.project_id}/links`, {
      nodes: [
        {
          node_id: source_node.node_id,
          port_number: source_port.port_number,
          adapter_number: source_port.adapter_number
        },
        {
          node_id: target_node.node_id,
          port_number: target_port.port_number,
          adapter_number: target_port.adapter_number
        }
      ]
    });
  }

  updateNodes(server: Server, link: Link, nodes: LinkNode[]) {
    const requestNodes = nodes.map(linkNode => {
      return {
        node_id: linkNode.node_id,
        port_number: linkNode.port_number,
        adapter_number: linkNode.adapter_number,
        label: {
          rotation: linkNode.label.rotation,
          style: linkNode.label.style,
          text: linkNode.label.text,
          x: linkNode.label.x,
          y: linkNode.label.y
        }
      };
    });

    return this.httpServer.put(server, `/projects/${link.project_id}/links/${link.link_id}`, { nodes: requestNodes });
  }
}