const BaseSyncTarget = require("lib/BaseSyncTarget.js");
const { _ } = require("lib/locale.js");
const { OneDriveApi } = require("lib/onedrive-api.js");
const Setting = require("lib/models/Setting.js");
const { parameters } = require("lib/parameters.js");
const { FileApi } = require("lib/file-api.js");
const { Synchronizer } = require("lib/synchronizer.js");
const { FileApiDriverOneDrive } = require("lib/file-api-driver-onedrive.js");

class SyncTargetOneDrive extends BaseSyncTarget {
	static id() {
		return 3;
	}

	constructor(db, options = null) {
		super(db, options);
		this.api_ = null;
	}

	static targetName() {
		return "onedrive";
	}

	static label() {
		return _("OneDrive");
	}

	isAuthenticated() {
		return this.api().auth();
	}

	syncTargetId() {
		return SyncTargetOneDrive.id();
	}

	oneDriveParameters() {
		return parameters().oneDrive;
	}

	authRouteName() {
		return "OneDriveLogin";
	}

	api() {
		if (this.api_) return this.api_;

		const isPublic = Setting.value("appType") != "cli";

		this.api_ = new OneDriveApi(this.oneDriveParameters().id, this.oneDriveParameters().secret, isPublic);
		this.api_.setLogger(this.logger());

		this.api_.on("authRefreshed", a => {
			this.logger().info("Saving updated OneDrive auth.");
			Setting.setValue("sync." + this.syncTargetId() + ".auth", a ? JSON.stringify(a) : null);
		});

		let auth = Setting.value("sync." + this.syncTargetId() + ".auth");
		if (auth) {
			try {
				auth = JSON.parse(auth);
			} catch (error) {
				this.logger().warn("Could not parse OneDrive auth token");
				this.logger().warn(error);
				auth = null;
			}

			this.api_.setAuth(auth);
		}

		return this.api_;
	}

	async initFileApi() {
		const appDir = await this.api().appDirectory();
		const fileApi = new FileApi(appDir, new FileApiDriverOneDrive(this.api()));
		fileApi.setSyncTargetId(this.syncTargetId());
		fileApi.setLogger(this.logger());
		return fileApi;
	}

	async initSynchronizer() {
		if (!this.isAuthenticated()) throw new Error("User is not authentified");
		return new Synchronizer(this.db(), await this.fileApi(), Setting.value("appType"));
	}
}

module.exports = SyncTargetOneDrive;