// SPDX-FileCopyrightText: 2026 Kaede Akino
// SPDX-License-Identifier: GPL-3.0-only

import Foundation

nonisolated public enum ChatMessageTimestampFormatter {
    public static func string(
        for date: Date,
        now: Date = .now,
        calendar: Calendar = .autoupdatingCurrent,
        locale: Locale = .autoupdatingCurrent,
        timeZone: TimeZone = .autoupdatingCurrent
    ) -> String {
        let formatter = DateFormatter()
        var calendar = calendar
        calendar.timeZone = timeZone
        formatter.calendar = calendar
        formatter.locale = locale
        formatter.timeZone = timeZone
        formatter.dateStyle = calendar.isDate(date, inSameDayAs: now) ? .none : .short
        formatter.timeStyle = .short
        return formatter.string(from: date)
    }
}