capacitor-sockets/ios/Sources/SocketsPlugin/Sockets.swift

import Foundation

enum SocketState:String {
    case connecting = "connecting"
    case connected = "connected"
    case disconnected = "disconnected"
}

@objc public class Sockets: NSObject, SocketDelegate {
    
    private var sockets: [Socket] = []

    private weak var plugin: SocketsPlugin?
    @objc public init(plugin: SocketsPlugin? = nil) {
        self.plugin = plugin
    }
    
    func didChangeState(socket: String, state: SocketState) {
        self.plugin?.notifyListeners("state", data: [
            "id": socket,
            "state": state.rawValue
        ])
    }
    
    func didReceiveMessage(socket: String, message: String) {
        self.plugin?.notifyListeners("message", data: [
            "id": socket,
            "message": message
        ])
    }
    
    @objc public func create(id: String, host: String, port: Int, useTLS: Bool = false, acceptInvalidCertificates: Bool = false) -> Socket {
        let socket = Socket(id: id, host: host, port: port, useTLS: useTLS, acceptInvalidCertificates: acceptInvalidCertificates)
        socket.delegate = self
        sockets.append(socket)
        return socket
    }

    @objc public func connect(id: String) {
        if let socket = self.socket(with: id) {
            socket.connect()
        }
    }

    @objc public func send(id: String, message: String) {
        if let socket = self.socket(with: id) {
            socket.write(message)
        }
    }

    @objc public func disconnect(id: String) {
        if let socket = self.socket(with: id) {
            socket.disconnect()
        }
    }
    
    @objc func socket(with id: String) -> Socket? {
        for socket in self.sockets {
            if (socket.id == id) {
                return socket
            }
        }
        return nil
    }
}