//
//  HealthKitCalls.swift
//  Keging
//
//  HealthKit completion API의 async 래퍼 — iOS(사후 빌더)·워치(라이브 빌더) 공용
//

import HealthKit

nonisolated enum HealthKitCalls {
    static func beginCollection(_ builder: HKWorkoutBuilder, at date: Date) async throws {
        try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Void, Error>) in
            builder.beginCollection(withStart: date) { _, error in
                if let error { continuation.resume(throwing: error) } else { continuation.resume() }
            }
        }
    }

    static func endCollection(_ builder: HKWorkoutBuilder, at date: Date) async throws {
        try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Void, Error>) in
            builder.endCollection(withEnd: date) { _, error in
                if let error { continuation.resume(throwing: error) } else { continuation.resume() }
            }
        }
    }

    static func finishWorkout(_ builder: HKWorkoutBuilder) async throws -> HKWorkout? {
        try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<HKWorkout?, Error>) in
            builder.finishWorkout { workout, error in
                if let error { continuation.resume(throwing: error) } else { continuation.resume(returning: workout) }
            }
        }
    }

    /// 운동 강도(1~10) 샘플을 운동에 연결 — 애플 운동 앱의 강도 기록과 같은 데이터
    @available(iOS 18.0, watchOS 11.0, *)
    static func relateEffort(store: HKHealthStore, workout: HKWorkout, score: Int) async throws {
        let sample = HKQuantitySample(
            type: HKQuantityType(.workoutEffortScore),
            quantity: HKQuantity(unit: .appleEffortScore(), doubleValue: Double(min(max(score, 1), 10))),
            start: workout.startDate,
            end: workout.endDate
        )
        try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Void, Error>) in
            store.relateWorkoutEffortSample(sample, with: workout, activity: nil) { _, error in
                if let error { continuation.resume(throwing: error) } else { continuation.resume() }
            }
        }
    }
}