import Foundation
import CoreData

@objc(WorkoutLog)
public class WorkoutLog: NSManagedObject, Identifiable {
    @NSManaged public var date: Date
    @NSManaged public var sets: Int32
    @NSManaged public var reps: Int32
    @NSManaged public var weight: Int32
    @NSManaged private var statusRaw: String?
    @NSManaged public var order: Int32
    @NSManaged public var exerciseName: String
    @NSManaged public var currentStateIndex: Int32
    @NSManaged public var elapsedSeconds: Int32
    @NSManaged public var completed: Bool

    @NSManaged public var workout: Workout?

    public var id: NSManagedObjectID { objectID }

    var status: WorkoutStatus? {
        get {
            guard let raw = statusRaw else { return nil }
            return WorkoutStatus(rawValue: raw)
        }
        set { statusRaw = newValue?.rawValue }
    }
}

// MARK: - Fetch Request

extension WorkoutLog {
    @nonobjc public class func fetchRequest() -> NSFetchRequest<WorkoutLog> {
        return NSFetchRequest<WorkoutLog>(entityName: "WorkoutLog")
    }

    static func orderedFetchRequest(for workout: Workout) -> NSFetchRequest<WorkoutLog> {
        let request = fetchRequest()
        request.predicate = NSPredicate(format: "workout == %@", workout)
        request.sortDescriptors = [NSSortDescriptor(keyPath: \WorkoutLog.order, ascending: true)]
        return request
    }
}