//
//  APIController.swift
//  AcaMate
//
//  Created by Sean Kim on 11/26/24.
//


import Foundation
import Combine

import Alamofire

public func loadAPIData<T: Decodable>(url: String, path: String,
                                      method: HTTPMethod = .get,
                                      parameters: [String: Any],
                                      headers: HTTPHeaders = [:],//["Accept": "application/json"],
                                      decodingType: T.Type) -> Future<Any, Error> {
    let encoding: ParameterEncoding = (method == .get) ? URLEncoding.default : JSONEncoding.default
    return Future { promise in
        printLog(parameters)
        AF.request("\(url)\(path)",
                   method: method,
                   parameters: parameters,
                   encoding: encoding,
                   headers: headers
        )
        .validate(statusCode: 200 ..< 300)
        .responseString { response in
            printLog(response)
        }
        .responseDecodable(of: decodingType) { response in
            switch response.result {
            case .success(let value):
                promise(.success(value))
            case .failure(let error):
                promise(.failure(error))
            }
        }
    }
}

public func reloadAccessToken() -> Future<Any, Error> {
    @UserDefault(key: "refresh", defaultValue: "refreshToken") var refresh
    return Future { promise in
        _ = loadAPIData(url: "\(API_URL)",
                    path: "/api/v1/in/app/retryAccess",
                    parameters: ["refresh": refresh],
                    decodingType: APIResponse<Access>.self)
        .sink { completion in
            switch completion {
            case .failure(let error):
                promise(.failure(error))
                printLog("\(error)")
            case .finished:
                printLog("엑세스 토큰 재발급 완료")
                break
            }
        } receiveValue: { response in
            guard let accToken = response as? APIResponse<Access> else {
                promise(.failure(ACA_ERROR("Unknown ERROR")))
                return
            }

            switch accToken.status.code {
            case .success(let code):
                if code == "000" {
                    if let tknData = accToken.data { promise(.success(tknData)) }
                }
            case .inputErr(let code):
                // 로그인 화면으로 전환하기
                promise(.failure(ACA_ERROR("Refresh token ERROR(\(code), \(accToken.status.message)")))
            default:
                // 그외에 서버에서 처리를 하다가 문제가 생겨서 발생하는 에러는 여기로 보낼거임
                promise(.failure(ACA_ERROR("Unknown ERROR")))
            }
        }
        
    }
    
    
}