// ── Time Blindness Aids ────────────────────────────────────────
// "This is about as long as [familiar reference]"
// Ported from web/src/lib/time-blindness.ts

import Foundation

// MARK: - Time Reference

private struct TimeReference {
    let maxMinutes: Int
    let label: String
}

private let timeReferences: [TimeReference] = [
    TimeReference(maxMinutes: 1, label: "a deep breath"),
    TimeReference(maxMinutes: 2, label: "brushing your teeth"),
    TimeReference(maxMinutes: 3, label: "making instant coffee"),
    TimeReference(maxMinutes: 5, label: "a short walk around the block"),
    TimeReference(maxMinutes: 10, label: "a quick shower"),
    TimeReference(maxMinutes: 15, label: "a coffee break"),
    TimeReference(maxMinutes: 20, label: "a short podcast episode"),
    TimeReference(maxMinutes: 25, label: "one Pomodoro session"),
    TimeReference(maxMinutes: 30, label: "a TV sitcom episode"),
    TimeReference(maxMinutes: 45, label: "a yoga class"),
    TimeReference(maxMinutes: 60, label: "one hour-long meeting"),
    TimeReference(maxMinutes: 90, label: "a movie"),
    TimeReference(maxMinutes: 120, label: "a long movie or flight"),
    TimeReference(maxMinutes: 180, label: "a half-day workshop"),
    TimeReference(maxMinutes: 240, label: "a road trip playlist"),
    TimeReference(maxMinutes: 480, label: "a full work day"),
]

/// Get a familiar time reference for a given duration in minutes.
/// e.g., "About as long as a TV sitcom episode"
func getTimeReference(minutes: Int) -> String? {
    guard minutes > 0 else { return nil }
    guard let ref = timeReferences.first(where: { minutes <= $0.maxMinutes }) else { return nil }
    return "About as long as \(ref.label)"
}

/// Get time reference for seconds.
func getTimeReference(seconds: TimeInterval) -> String? {
    getTimeReference(minutes: Int((seconds / 60).rounded()))
}