//
//  Formatters.swift
//  Haru_Danim
//

import Foundation

enum Format {
    /// 1:23:45 또는 23:45 형식 (진행 중 타이머용)
    static func timer(_ interval: TimeInterval) -> String {
        let total = Int(interval.rounded(.down))
        let h = total / 3600
        let m = (total % 3600) / 60
        let s = total % 60
        if h > 0 { return String(format: "%d:%02d:%02d", h, m, s) }
        return String(format: "%d:%02d", m, s)
    }

    /// "2시간 30분" / "45분" / "30초" 형식
    static func durationShort(_ interval: TimeInterval) -> String {
        let total = Int(interval.rounded())
        let h = total / 3600
        let m = (total % 3600) / 60
        if h > 0 {
            return m > 0 ? "\(h)시간 \(m)분" : "\(h)시간"
        }
        if m > 0 { return "\(m)분" }
        return "\(total)초"
    }

    static func weekdayShort(_ weekday: Int) -> String {
        let names = ["일", "월", "화", "수", "목", "금", "토"]
        let index = (weekday - 1) % 7
        return names[max(0, index)]
    }

    static func shortDate(_ date: Date) -> String {
        date.formatted(.dateTime.month(.defaultDigits).day())
    }

    static func fullDate(_ date: Date) -> String {
        date.formatted(.dateTime.year().month().day().weekday(.short))
    }

    static func time(_ date: Date) -> String {
        date.formatted(.dateTime.hour().minute())
    }

    static func percent(_ ratio: Double) -> String {
        "\(Int((ratio * 100).rounded()))%"
    }
}