import { IsBoolean, IsEmail, IsInt, IsNotEmpty, IsOptional, IsPhoneNumber, IsString, IsUUID } from "class-validator";
import { Column, Entity, JoinTable, ManyToMany, ManyToOne, OneToMany, PrimaryGeneratedColumn } from "typeorm";
import { Permission } from './Permission';
import { UserAction } from './UserAction';
import { UserGroup } from './UserGroup';

/**
 * Defines a admin user.
*/
@Entity()
export class User {
  /**
  * autogenerated unique id (primary key).
  */
  @PrimaryGeneratedColumn()
  @IsInt()
  id: number;

  /**
  * uuid
  */
  @Column()
  @IsUUID(4)
  uuid: string;

  /**
  * user email
  */
  @Column({ nullable: true })
  @IsEmail()
  email?: string;

  /**
  * user phone
  */
  @Column({ nullable: true })
  @IsOptional()
  @IsPhoneNumber("ZZ")
  phone?: string;

  /**
  * username
  */
  @Column({ nullable: true })
  @IsString()
  username?: string;

  /**
  * firstname
  */
  @Column()
  @IsString()
  @IsNotEmpty()
  firstname: string;

  /**
  * middlename
  */
  @Column({ nullable: true })
  @IsString()
  @IsOptional()
  middlename?: string;

  /**
  * lastname
  */
  @Column()
  @IsString()
  @IsNotEmpty()
  lastname: string;

  /**
  * password
  */
  @Column()
  @IsString()
  @IsNotEmpty()
  password: string;

  /**
  * permissions
  */
  @IsOptional()
  @ManyToOne(() => Permission, permission => permission.users, { nullable: true })
  permissions?: Permission[];

  /**
  * groups
  */
  @IsOptional()
  @ManyToMany(() => UserGroup, { nullable: true })
  @JoinTable()
  groups: UserGroup[];

  /**
  * is user enabled?
  */
  @Column()
  @IsBoolean()
  enabled: boolean = true;

  /**
  * jwt refresh count
  */
  @IsInt()
  @Column({ default: 1 })
  refreshTokenCount?: number;

  /**
  * profilepic
  */
  @Column({ nullable: true })
  @IsString()
  @IsOptional()
  profilePic?: string;

  /**
   * actions
   */
  @IsOptional()
  @OneToMany(() => UserAction, action => action.user, { nullable: true })
  actions: UserAction[]

  /**
   * calculate all permissions
   */
  public get calc_permissions(): Permission[] {
    let final_permissions = []
    this.groups.forEach((permission) => {
      if (!final_permissions.includes(permission)) {
        final_permissions.push(permission)
      }
    })
    this.permissions.forEach((permission) => {
      if (!final_permissions.includes(permission)) {
        final_permissions.push(permission)
      }
    })
    return final_permissions
  }
}