import Foundation
import SwiftData

enum TrackingRecordType: String, Codable {
    case timerSession
    case countLog
}

@Model
final class TrackingRecord {
    var id: UUID
    var recordType: TrackingRecordType
    var startTime: Date?
    var endTime: Date?
    var timestamp: Date?
    var duration: TimeInterval
    var createdAt: Date

    // Inverse is declared on TaskItem.trackingRecords
    var task: TaskItem?

    var isRunning: Bool { recordType == .timerSession && startTime != nil && endTime == nil }

    init(
        id: UUID = UUID(),
        task: TaskItem? = nil,
        recordType: TrackingRecordType,
        startTime: Date? = nil,
        endTime: Date? = nil,
        timestamp: Date? = nil,
        duration: TimeInterval = 0,
        createdAt: Date = .now
    ) {
        self.id = id
        self.task = task
        self.recordType = recordType
        self.startTime = startTime
        self.endTime = endTime
        self.timestamp = timestamp
        self.duration = duration
        self.createdAt = createdAt
    }
}