Swift Router (w/ Alamofire)

router.swift

//
//  RouterNext.swift
//  FootstepsAI
//
//  Created by Mike Kavouras on 5/23/23.
//

import Foundation
import Alamofire
import KeychainSwift
import UIKit

enum Router: URLRequestConvertible {
    case ping
    case login(username: String, password: String)
    
    private var method: HTTPMethod {
        switch self {
        case .ping, .login
        }
    }
    
    private var path: String {
        switch self {
        case .ping:
            return "/ping"
        case .login:
            return "/login"
        }
    }
    
    private var params: Parameters? {
        switch self {
        case .ping:
            return nil
        case .login(let username, let password):
            return ["username": username, "password": password]
        }
    }
    
    private var headers: HTTPHeaders? {
        switch self {
        case .ping, .login:
            return nil
        }
    }
    
    func asURLRequest() throws -> URLRequest {
        var url = URL("https://site.com")!
        url = url.appendingPathComponent("/api")
        
        var request = URLRequest(url: url.appendingPathComponent(path))
        request.httpMethod = method.rawValue
        request.setValue("application/json", forHTTPHeaderField: "Accept")
        request.setValue("application/json", forHTTPHeaderField: "content-Type")
    
        do {
            request.httpBody = try JSONSerialization.data(withJSONObject: baseParams.merge(params))
        }
        
        if let headers = headers {
            request.headers = headers
        }
        
        return request
    }
}