import Foundation
import XuqmCoreSDK
#if canImport(UIKit)
import UIKit
#endif

public struct AppUpdateInfo: Decodable, Sendable {
    public let needsUpdate: Bool
    public let versionName: String?
    public let versionCode: Int?
    public let changeLog: String?
    public let forceUpdate: Bool?
    public let appStoreUrl: String?
}

@MainActor
public final class UpdateSDK {

    public static let shared = UpdateSDK()
    private init() {}

    public func checkAppUpdate(currentVersionCode: Int) async throws -> AppUpdateInfo {
        await XuqmSDK.shared.awaitInitialization()
        let config = XuqmSDK.shared.requireConfig()
        let userId = XuqmSDK.shared.currentUserId
        var queryItems = [
            URLQueryItem(name: "appKey", value: config.appKey),
            URLQueryItem(name: "platform", value: "IOS"),
            URLQueryItem(name: "currentVersionCode", value: "\(currentVersionCode)"),
        ]
        if let userId, !userId.isEmpty {
            queryItems.append(URLQueryItem(name: "userId", value: userId))
        }
        return try await ApiClient.shared.request(
            path: "/api/v1/updates/app/check",
            queryItems: queryItems
        )
    }

    public func openAppStore(url: String) {
        guard let storeURL = URL(string: url) else { return }
        #if canImport(UIKit)
        UIApplication.shared.open(storeURL)
        #endif
    }
}