// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.

import Foundation
import Combine
import SessionSnodeKit
import SessionUtilitiesKit

public enum NotifyPushServerJob: JobExecutor {
    public static var maxFailureCount: Int = 20
    public static var requiresThreadId: Bool = false
    public static let requiresInteractionId: Bool = false
    
    public static func run(
        _ job: Job,
        queue: DispatchQueue,
        success: @escaping (Job, Bool, Dependencies) -> (),
        failure: @escaping (Job, Error?, Bool, Dependencies) -> (),
        deferred: @escaping (Job, Dependencies) -> (),
        using dependencies: Dependencies
    ) {
        guard
            let detailsData: Data = job.details,
            let details: Details = try? JSONDecoder().decode(Details.self, from: detailsData)
        else {
            SNLog("[NotifyPushServerJob] Failing due to missing details")
            return failure(job, JobRunnerError.missingRequiredDetails, true, dependencies)
        }
        
        PushNotificationAPI
            .notify(
                recipient: details.message.recipient,
                with: details.message.data,
                maxRetryCount: 4
            )
            .subscribe(on: queue)
            .receive(on: queue)
            .sinkUntilComplete(
                receiveCompletion: { result in
                    switch result {
                        case .finished: success(job, false, dependencies)
                        case .failure(let error): failure(job, error, false, dependencies)
                    }
                }
            )
    }
}

// MARK: - NotifyPushServerJob.Details

extension NotifyPushServerJob {
    public struct Details: Codable {
        public let message: SnodeMessage
    }
}