import Foundation
import SwiftData

@Model
final class Workout {
    var start: Date = Date()
    var end: Date?
    var status: WorkoutStatus? = WorkoutStatus.notStarted

    @Relationship(deleteRule: .nullify)
    var split: Split?
    
    @Relationship(deleteRule: .cascade, inverse: \WorkoutLog.workout)
    var logs: [WorkoutLog]? = []
    
    init(start: Date, end: Date, split: Split?) {
        self.start = start
        self.end = end
        self.split = split
    }
    
    var label: String {
        if status == .completed, let endDate = end {
            return "\(start.formattedDate())—\(endDate.formattedDate())"
        } else {
            return start.formattedDate()
        }
    }
}