/**
 * Virtual Machines API
 *
 * @author Pierre HUBERT
 */

import { APIClient } from "./ApiClient";

export type VMState =
  | "NoState"
  | "Running"
  | "Blocked"
  | "Paused"
  | "Shutdown"
  | "Shutoff"
  | "Crashed"
  | "PowerManagementSuspended"
  | "Other";

interface VMInfoInterface {
  name: string;
  uuid?: string;
  genid?: string;
  title?: string;
  description?: string;
  boot_type: "UEFI" | "UEFISecureBoot";
  architecture: "i686" | "x86_64";
  memory: number;
  vnc_access: boolean;
}

export class VMInfo implements VMInfoInterface {
  name: string;
  uuid?: string | undefined;
  genid?: string | undefined;
  title?: string | undefined;
  description?: string | undefined;
  boot_type: "UEFI" | "UEFISecureBoot";
  architecture: "i686" | "x86_64";
  memory: number;
  vnc_access: boolean;

  constructor(int: VMInfoInterface) {
    this.name = int.name;
    this.uuid = int.uuid;
    this.genid = int.genid;
    this.title = int.title;
    this.description = int.description;
    this.boot_type = int.boot_type;
    this.architecture = int.architecture;
    this.memory = int.memory;
    this.vnc_access = int.vnc_access;
  }

  static NewEmpty(): VMInfo {
    return new VMInfo({
      name: "",
      boot_type: "UEFI",
      architecture: "x86_64",
      memory: 1024,
      vnc_access: true,
    });
  }

  get ViewURL(): string {
    return `/vm/${this.uuid}`;
  }

  get EditURL(): string {
    return `/vm/${this.uuid}/edit`;
  }
}

export class VMApi {
  /**
   * Create a new virtual machine
   */
  static async Create(v: VMInfo): Promise<{ uuid: string }> {
    return (
      await APIClient.exec({
        uri: `/vm/create`,
        method: "POST",
        jsonData: v,
      })
    ).data;
  }

  /**
   * Get the list of defined virtual machines
   */
  static async GetList(): Promise<VMInfo[]> {
    return (
      await APIClient.exec({
        uri: "/vm/list",
        method: "GET",
      })
    ).data.map((i: VMInfoInterface) => new VMInfo(i));
  }

  /**
   * Get the information about a single VM
   */
  static async GetSingle(uuid: string): Promise<VMInfo> {
    const data = (
      await APIClient.exec({
        uri: `/vm/${uuid}`,
        method: "GET",
      })
    ).data;
    return new VMInfo(data);
  }

  /**
   * Update the information about a single VM
   */
  static async UpdateSingle(vm: VMInfo): Promise<VMInfo> {
    const data = (
      await APIClient.exec({
        uri: `/vm/${vm.uuid!}`,
        method: "PUT",
        jsonData: vm,
      })
    ).data;
    return new VMInfo(data);
  }

  /**
   * Get the state of a VM
   */
  static async GetState(vm: VMInfo): Promise<VMState> {
    return (
      await APIClient.exec({
        uri: `/vm/${vm.uuid}/state`,
        method: "GET",
      })
    ).data.state;
  }

  /**
   * Start the VM
   */
  static async StartVM(vm: VMInfo): Promise<void> {
    return (
      await APIClient.exec({
        uri: `/vm/${vm.uuid}/start`,
        method: "GET",
      })
    ).data.state;
  }

  /**
   * Shutdown the VM
   */
  static async ShutdownVM(vm: VMInfo): Promise<void> {
    return (
      await APIClient.exec({
        uri: `/vm/${vm.uuid}/shutdown`,
        method: "GET",
      })
    ).data.state;
  }

  /**
   * Restt the VM
   */
  static async ResetVM(vm: VMInfo): Promise<void> {
    return (
      await APIClient.exec({
        uri: `/vm/${vm.uuid}/reset`,
        method: "GET",
      })
    ).data.state;
  }

  /**
   * Kill the VM
   */
  static async KillVM(vm: VMInfo): Promise<void> {
    return (
      await APIClient.exec({
        uri: `/vm/${vm.uuid}/kill`,
        method: "GET",
      })
    ).data.state;
  }

  /**
   * Suspend the VM
   */
  static async SuspendVM(vm: VMInfo): Promise<void> {
    return (
      await APIClient.exec({
        uri: `/vm/${vm.uuid}/suspend`,
        method: "GET",
      })
    ).data.state;
  }

  /**
   * Resume the VM
   */
  static async ResumeVM(vm: VMInfo): Promise<void> {
    return (
      await APIClient.exec({
        uri: `/vm/${vm.uuid}/resume`,
        method: "GET",
      })
    ).data.state;
  }

  /**
   * Delete a virtual machine
   */
  static async Delete(vm: VMInfo, keep_files: boolean): Promise<void> {
    await APIClient.exec({
      uri: `/vm/${vm.uuid}`,
      method: "DELETE",
      jsonData: { keep_files },
    });
  }
}