RSSuper/iOS/RSSuper/Settings/AppSettings.swift

//
//  AppSettings.swift
//  RSSuper
//
//  App-wide settings configuration
//

import Foundation

struct AppSettings: Codable, Equatable {
    var appVersion: String
    var buildNumber: String
    var lastMigrationVersion: String?
    var firstLaunchAt: Date?
    var lastLaunchAt: Date?
    var launchCount: Int
    
    init(
        appVersion: String = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "1.0.0",
        buildNumber: String = Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "1",
        lastMigrationVersion: String? = nil,
        firstLaunchAt: Date? = nil,
        lastLaunchAt: Date? = nil,
        launchCount: Int = 0
    ) {
        self.appVersion = appVersion
        self.buildNumber = buildNumber
        self.lastMigrationVersion = lastMigrationVersion
        self.firstLaunchAt = firstLaunchAt
        self.lastLaunchAt = lastLaunchAt
        self.launchCount = launchCount
    }
    
    var isFirstLaunch: Bool {
        firstLaunchAt == nil
    }
    
    func incrementLaunchCount() -> AppSettings {
        var copy = self
        copy.launchCount += 1
        copy.lastLaunchAt = Date()
        if firstLaunchAt == nil {
            copy.firstLaunchAt = Date()
        }
        return copy
    }
    
    func withMigrationComplete(version: String) -> AppSettings {
        var copy = self
        copy.lastMigrationVersion = version
        return copy
    }
    
    var debugDescription: String {
        """
        AppSettings(
            appVersion: \(appVersion),
            buildNumber: \(buildNumber),
            lastMigrationVersion: \(lastMigrationVersion ?? "none"),
            isFirstLaunch: \(isFirstLaunch),
            launchCount: \(launchCount)
        )
        """
    }
}