//: Vahana Playground 2 - figuring out class structure

import Foundation
import Alamofire

import XCPlayground
XCPlaygroundPage.currentPage.needsIndefiniteExecution = true

class OSVBase: NSObject {
    func log(level: String, message: String) {
        print("\(level.uppercaseString): \(message)")
    }

    func error(message: String) {
        self.log("error", message: message)
    }

    func warn(message: String) {
        self.log("warn", message: message)
    }

    func debug(message: String) {
        self.log("debug", message: message)
    }
}

class OSVRest: OSVBase {
    func GET(url: String, completionHandler: (Int, AnyObject) -> Void) -> Void {
        Alamofire.request(.GET, url).responseJSON { response in
            let statusCode = response.response!.statusCode
            var json:AnyObject = []

            switch response.result {
                case .Failure(let error):
                    self.error("GET Request failed: \(error)")
                case .Success:
                    self.debug("GET Request completed, calling handler")
                    json = response.result.value!
            }

            completionHandler(statusCode, json)
        }
    }

    func POST(url: String, parameters: [String: AnyObject]?, completionHandler: (Int, AnyObject) -> Void) -> Void {
        Alamofire.request(.POST, url, parameters: parameters, encoding: .JSON).responseJSON { response in
            let statusCode = response.response!.statusCode
            var json:AnyObject = []

            switch response.result {
                case .Failure(let error):
                    self.error("POST Request failed: \(error)")
                case .Success:
                    self.debug("POST Request completed, calling handler")
                    json = response.result.value!
            }

            completionHandler(statusCode, json)
        }
    }
}

class OSVIdentity: OSVBase {
    let rest = OSVRest()
    var authURL: String
    var username: String
    var password: String
    var token: AnyObject?

    init(url: String, username: String, password: String) {
        self.authURL = url + "/auth/tokens"
        self.username = username
        self.password = password
        self.token = nil
    }

    func getToken() -> Void {
        let parameters = [
            "auth": [
                "identity": [
                    "methods": ["password"],
                    "password": [
                        "user": [
                            "name": self.username,
                            "domain": [ "id": "default" ],
                            "password": self.password,
                        ]
                    ]
                ]
            ]
        ]

        self.rest.POST(self.authURL, parameters: parameters, completionHandler: {statusCode, response -> Void in
            self.debug("In getToken handler")
            self.debug("Got result from code: \(statusCode)")
            debugPrint(response)
            if (statusCode == 201) {
                self.debug("Storing token")
                self.token = response
            }
        })
    }
}

let identity = OSVIdentity(url: "http://10.0.88.166:5000/v3", username: "admin", password: "lol")
identity.getToken()