//
// Date+humanTimeInterval.swift
// Workouts
//
// Created by rzen on 7/19/25 at 1:06 PM.
//
// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
//

import Foundation

extension Date {
    func humanTimeInterval(to referenceDate: Date = Date()) -> String {
        let seconds = Int(referenceDate.timeIntervalSince(self))
        let absSeconds = abs(seconds)
        
        let minute = 60
        let hour = 3600
        let day = 86400
        let week = 604800
        let month = 2592000
        let year = 31536000

        switch absSeconds {
        case 0..<5:
            return "just now"
        case 5..<minute:
            return "\(absSeconds) seconds"
        case minute..<hour:
            let minutes = absSeconds / minute
            return "\(minutes) minute\(minutes == 1 ? "" : "s")"
        case hour..<day:
            let hours = absSeconds / hour
            return "\(hours) hour\(hours == 1 ? "" : "s")"
        case day..<week:
            let days = absSeconds / day
            return "\(days) day\(days == 1 ? "" : "s")"
        case week..<month:
            let weeks = absSeconds / week
            return "\(weeks) week\(weeks == 1 ? "" : "s")"
        case month..<year:
            let months = absSeconds / month
            return "\(months) month\(months == 1 ? "" : "s")"
        default:
            let years = absSeconds / year
            return "\(years) year\(years == 1 ? "" : "s")"
        }
    }
}