Spectator library

Spectator.swift

import Foundation

@objc public class Spectator: NSObject {
    
    /// Singleton instance
    @objc static let shared: Spectator = Spectator()
    
    // MARK: - Properties
    
    private var providers: [SpectatorProvider] = []
    private var logLevel: SpectatorLogLevel = .debug
    private var isFireEventEnabled: Bool = true
    
    var config: SpectatorConfigurator? {
        didSet {
            guard let config = config else { return }
            providers = config.providers
            logLevel = config.logLevel
            isFireEventEnabled = config.isFireEventEnabled
        }
    }
    
    // MARK: - Init
    
    private override init() {}
    
    // MARK: - Methods
    
    static func fire(_ event: SpectatorEventType, withParameters parameters: [String: String]? = nil) {
        for provider in Spectator.shared.providers {
            log(event, parameters, provider)
            if event.allowedProviders.contains(provider.providerType) {
                provider.fire(event, withParameters: parameters)
            }
        }
    }
    
    // MARK: - Helpers
    
    private static func log(_ event: SpectatorEventType, _ parameters: [String: String]?, _ provider: SpectatorProvider) {
        switch Spectator.shared.logLevel {
        case .debug:
            print("[Spectator > \(provider.providerType.identifier)]\n\t> Event: \(event.name)\n\t> isSent: \(Spectator.shared.isFireEventEnabled)\n\t> Parameters: \(parameters ?? [:])")
        default:
            break
        }
    }
    
}