AppManager.swift

//
//  AppManager.swift
//  CloudflareApp
//
//  Created by Lsong on 1/27/26.
//

import Foundation
import SwiftUI
import Security


// MARK: - App Manager
class AppManager: ObservableObject {
    // MARK: - 单例
    static let shared = AppManager()
    
    @AppStorage("colorScheme") var colorSchemeMode: ColorSchemeMode = .system
    @AppStorage("appTintColor") var appTintColor: AppTintColor = .orange
    @AppStorage("appFontDesign") var appFontDesign: AppFontDesign = .standard
    @AppStorage("appFontSize") var appFontSize: AppFontSize = .xlarge
    @AppStorage("appFontWidth") var appFontWidth: AppFontWidth = .expanded
    @AppStorage("currentCredentialId") var currentCredentialId: String = ""
    @AppStorage("currentAccountId") var currentAccountId: String = ""
    
    private let credentialsKey = "cloudflare.credentials"
    
    @Published var credentials: [CloudflareCredential] = []
    
    var api: CloudflareAPI?
    
    // MARK: - 发布的状态属性
    @Published var showingAlert = false
    @Published var alertTitle = ""
    @Published var alertMessage = ""
    
    var currentCredential: CloudflareCredential? {
        return credentials.first { credential in
            return credential.id.uuidString == currentCredentialId
        }
    }
    
    private init() {
        loadCredentials()
        if let credential = currentCredential {
            api = CloudflareAPI(credential: credential)
        }
    }
    
    func showAlert(title: String, message: String) {
        alertTitle = title
        alertMessage = message
        showingAlert = true
    }
    func addCredential(credential: CloudflareCredential) {
        credentials.append(credential)
        saveCredentials()
    }
    func saveCredentials() {
        do {
            let data = try JSONEncoder().encode(credentials)
            UserDefaults.standard.set(data, forKey: credentialsKey)
        } catch {
            showAlert(title: "Save Failed", message: "Unable to save credentials.")
        }
    }
    func loadCredentials() {
        guard let data = UserDefaults.standard.data(forKey: credentialsKey) else { return }
        do {
            credentials = try JSONDecoder().decode([CloudflareCredential].self, from: data)
        } catch {
            showAlert(title: "Load Failed", message: "Unable to load credentials.")
        }
    }
    func switchCredential(credential: CloudflareCredential) {
        currentCredentialId = credential.id.uuidString
        api = CloudflareAPI(credential: credential)
    }
    func switchAccount(account: CloudflareAccount) {
        currentAccountId = account.id
    }
}

extension AppManager {
    var appName: String {
        Bundle.main.object(forInfoDictionaryKey: "CFBundleDisplayName") as? String
            ?? Bundle.main.object(forInfoDictionaryKey: "CFBundleName") as? String
            ?? "Cloudflare"
    }
    var appVersion: String {
        Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "0.0"
    }
}