import { Base } from './base';
import { Licence as LicenceModel } from './models/licence';
import { mapAllocateSeatResponse } from './mappers/allocate-seat';
import { MembershipAdminLicence, MembershipLicenceResponse } from './types/licence';
import { mapLicenceResponse } from './mappers/licence';

/** Class representing Licence Service request. */
export class Licence extends Base {
	private membershipApi = this.config.get('membershipApi');
	private licenceApiKey = this.config.get('licenceApiKey');

	/**
	 * This function is the public method for fetching assigned licences that a user is admin to.
	 * @param userId User's ID.
	 * @returns admin licences
	 */
	public async getUserAdminLicences(userId: string): Promise<Array<MembershipAdminLicence>> {
		const url = `${this.membershipApi}/licences?adminuserid=${userId}`;
		const response = await this.requestGet({ key: this.licenceApiKey, url });
		return response.accessLicences;
	}

	/**
	 * This function is the public method for allocating a seat on a licence.
	 * @param licenceId The ID of the Licence.
	 * @param userId User's ID.
	 * @param accessDuration Amount of time the user will be allocated the seat on the licence.
	 * @returns Object containing accessLicenceId, userId, joinedDate and seatExpiryDate properties.
	 */
	public async allocateSeat(licenceId: string, userId: string, accessDuration: string): Promise<LicenceModel> {
		const url = `${this.membershipApi}/licences/${licenceId}/seats/allocate`;
		const body = { userId, accessDuration };

		const response = await this.requestPost({ key: this.licenceApiKey, url, body });
		return mapAllocateSeatResponse(response);
	}

	/**
	 * Maps a AIM GraphQL response to the licence model.
	 * @param licenceData Response to licence request.
	 * @throws {InvalidResponseError} If the membership request does not return the expected response.
	 * @returns Licence instance.
	 */
	public mapLicenceResponse(licenceData: any): LicenceModel {
		return mapLicenceResponse(licenceData);
	}
}