//
//  UpdateCoreData.swift
//  Meshtastic
//
//  Copyright(c) Garth Vander Houwen 10/3/22.

import CoreData

public func clearPositions(destNum: Int64, context: NSManagedObjectContext) -> Bool {

	let fetchNodeInfoRequest: NSFetchRequest<NSFetchRequestResult> = NSFetchRequest.init(entityName: "NodeInfoEntity")
	fetchNodeInfoRequest.predicate = NSPredicate(format: "num == %lld", Int64(destNum))

	do {

		let fetchedNode = try context.fetch(fetchNodeInfoRequest) as! [NodeInfoEntity]
			
		let newPostions = [PositionEntity]()
		fetchedNode[0].positions? = NSOrderedSet(array: newPostions)
		
		do {
			try context.save()
			return true
			
		} catch {
			context.rollback()
			return false
		}

	} catch {
		print("💥 Fetch NodeInfoEntity Error")
		return false
	}
}

public func clearTelemetry(destNum: Int64, metricsType: Int32, context: NSManagedObjectContext) -> Bool {
	
	let fetchNodeInfoRequest: NSFetchRequest<NSFetchRequestResult> = NSFetchRequest.init(entityName: "NodeInfoEntity")
	fetchNodeInfoRequest.predicate = NSPredicate(format: "num == %lld", Int64(destNum))

	do {

		let fetchedNode = try context.fetch(fetchNodeInfoRequest) as! [NodeInfoEntity]
			
		let emptyTelemetry = [TelemetryEntity]()
		fetchedNode[0].telemetries? = NSOrderedSet(array: emptyTelemetry)
		
		do {
			try context.save()
			return true
			
		} catch {
			context.rollback()
			return false
		}

	} catch {
		print("💥 Fetch NodeInfoEntity Error")
		return false
	}
}