//
//  TheNoiseClockTests.swift
//  TheNoiseClockTests
//
//  Created by Matt Bruce on 9/7/25.
//

import Testing
@testable import The_Noise_Clock
import Foundation

@MainActor
struct TheNoiseClockTests {

    @Test
    func defaultAlarmSoundIsMP3() {
        #expect(AppConstants.SystemSounds.defaultSound.hasSuffix(".mp3"))
    }

    @Test
    func nextOccurrenceIsInFuture() {
        let oneMinuteAgo = Calendar.current.date(byAdding: .minute, value: -1, to: Date()) ?? Date()
        let next = oneMinuteAgo.nextOccurrence()

        #expect(next > Date())
        #expect(next.timeIntervalSinceNow < 26 * 60 * 60)
    }

    @Test
    func clockStyleCodableRoundTripPreservesSettings() throws {
        let style = ClockStyle()
        style.showSeconds = true
        style.showDate = false
        style.keepAwake = true
        style.fontFamily = .avenir
        style.digitAnimationStyle = .glitch

        let data = try JSONEncoder().encode(style)
        let decoded = try JSONDecoder().decode(ClockStyle.self, from: data)

        #expect(decoded.showSeconds)
        #expect(decoded.showDate == false)
        #expect(decoded.keepAwake)
        #expect(decoded.fontFamily == .avenir)
        #expect(decoded.digitAnimationStyle == .glitch)
    }
    
    @Test
    func repeatingAlarmComputesNextMatchingWeekday() {
        let calendar = Calendar.current
        let now = Date()
        let targetDate = calendar.date(byAdding: .day, value: 2, to: now) ?? now
        let targetWeekday = calendar.component(.weekday, from: targetDate)
        
        let templateTime = calendar.date(bySettingHour: 9, minute: 30, second: 0, of: now) ?? now
        let alarm = Alarm(time: templateTime, repeatWeekdays: [targetWeekday])
        let next = alarm.nextTriggerTime()
        
        let components = calendar.dateComponents([.hour, .minute, .weekday], from: next)
        #expect(next > now)
        #expect(components.weekday == targetWeekday)
        #expect(components.hour == 9)
        #expect(components.minute == 30)
    }
    
    @Test
    func repeatSummaryRecognizesCommonPatterns() {
        #expect(Alarm.repeatSummary(for: []) == "Once")
        #expect(Alarm.repeatSummary(for: [1, 2, 3, 4, 5, 6, 7]) == "Every day")
        #expect(Alarm.repeatSummary(for: [2, 3, 4, 5, 6]) == "Weekdays")
        #expect(Alarm.repeatSummary(for: [1, 7]) == "Weekends")
    }

}