import { Injectable } from "@angular/core";
import { Node } from '../cartography/models/node';
import { Port } from '../models/port';
import { Server } from '../models/server';

@Injectable()
export class InfoService {
    getInfoAboutNode(node: Node, server: Server): string[] {
        let infoList: string[] = [];
        if (node.node_type === 'cloud') {
            infoList.push(`Cloud ${node.name} is always on.`);
        } else if (node.node_type === 'nat') {
            infoList.push(`NAT ${node.name} is always on.`);
        } else if (node.node_type === 'ethernet-hub') {
            infoList.push(`Ethernet hub ${node.name} is always on.`);
        } else if (node.node_type === 'ethernet_switch') {
            infoList.push(`Ethernet switch ${node.name} is always on.`);
        } else if (node.node_type === 'frame_relay_switch') {
            infoList.push(`Frame relay switch ${node.name} is always on.`);
        } else if (node.node_type === 'atm_switch') {
            infoList.push(`ATM switch ${node.name} is always on.`);
        } else if (node.node_type === 'docker') {
            infoList.push(`Docker ${node.name} is ${node.status}.`);
        } else if (node.node_type === 'dynamips') {
            infoList.push(`Dynamips ${node.name} is always on.`);
        } else if (node.node_type === 'traceng') {
            infoList.push(`TraceNG ${node.name} is always on.`);
        } else if (node.node_type === 'virtualbox') {
            infoList.push(`VirtualBox VM ${node.name} is ${node.status}.`);
        } else if (node.node_type === 'vmware') {
            infoList.push(`VMware VM ${node.name} is ${node.status}.`);
        } else if (node.node_type === 'qemu') {
            infoList.push(`QEMU VM ${node.name} is ${node.status}.`);
        } else if (node.node_type === 'iou') {
            infoList.push(`IOU ${node.name} is always on.`);
        } else if (node.node_type === 'vpcs') {
            infoList.push(`Node ${node.name} is ${node.status}.`);
        }
        infoList.push(`Running on server ${server.name} with port ${server.port}.`);
        infoList.push(`Server ID is ${server.id}.`);
        if (node.console_type !== 'none' && node.console_type !== 'null') {
            infoList.push(`Console is on port ${node.console} and type is ${node.console_type}.`);
        }
        infoList = infoList.concat(this.getInfoAboutPorts(node.ports));
        return infoList;
    }

    getInfoAboutPorts(ports: Port[]): string {
        let response: string = `Ports: `
        ports.forEach(port => {
            response += `link_type: ${port.link_type}, 
                        name: ${port.name}; `
        });
        response = response.substring(0, response.length - 2);
        return response;
    }

    getCommandLine(node: Node): string {
        if (node.node_type ===  "cloud" || 
            node.node_type ===  "nat" || 
            node.node_type ===  "ethernet_hub" || 
            node.node_type ===  "ethernet_switch" || 
            node.node_type ===  "frame_relay_switch" || 
            node.node_type ===  "atm_switch" || 
            node.node_type ===  "dynamips" || 
            node.node_type ===  "traceng" || 
            node.node_type ===  "iou") {
            return 'Command line information is not supported for this type of node.';
        } else {
            if (node.status === 'started') {
                return node.command_line;
            } else {
                return 'Please start the node in order to get the command line information.';
            }
        }
    }
}