//
//  LoginViewModel.swift
//  AcaMate
//
//  Created by Sean Kim on 12/14/24.
//

import SwiftUI
import Combine


class LoginViewModel: ObservableObject {
    private var cancellables = Set<AnyCancellable>()
    
    @Published var toggleLoading: Bool = false
    @Published var pathName: PathName = .NONE
    
    var bidArray: [String] = []
    
    func loginTest(type: SNSLoginType, id: String) {
        loadAPIData(url: "\(API_URL)",
                    path: "/api/v1/in/user/login",
                    parameters: [
                        "acctype": "\(type == .Apple ? "ST00": "ST01")",
                        "sns_id": "\(id)"
                    ],
                    decodingType: APIResponse<User_Token>.self)
        .sink { [weak self] completion in
            // API 자체적으로 내보내는 에러는 여기서 거를거고
            switch completion {
            case .failure(let error):
                self?.toggleLoading = false
                printLog("\(error)")
            case .finished:
                self?.toggleLoading = false
            }
        } receiveValue: { [weak self] response in
            guard let self = self else { return }
            guard let userToken = response as? APIResponse<User_Token> else {return}
            switch userToken.status.code {
            case .success:
                @UserDefault(key: "token", defaultValue: "accToken") var accToken
                @UserDefault(key: "refresh", defaultValue: "arefreshToken") var refreshToken
                
                if let token = userToken.data.toStringDict()["token"],
                    let refresh = userToken.data.toStringDict()["refresh"] {
                    printLog(token)
                    printLog(refresh)
                    accToken = token
                    refreshToken = refresh
                    self.pathName = .SelectAcademy
                }
            case .anything(let apiCode):
                // MARK: TO-DO
                // 회원가입 로직
                printLog("\(apiCode) : 로그인 정보 없음")
                self.pathName = .Register(type, id: "\(id)")
            default:
                // 그외에 서버에서 처리를 하다가 문제가 생겨서 발생하는 에러는 여기로 보낼거임
                printLog("ERROR")
            }
        }
        .store(in: &cancellables)
    }
    
    func loginAction(type: SNSLoginType) {
        LoginController().login(type)
            .flatMap{ snsId in
                loadAPIData(url: "\(API_URL)",
                            path: "/api/v1/in/user/login",
                            parameters: [
                                "acctype": "\(type == .Apple ? "ST00": "ST01")",
                                "sns_id": "\(snsId.snsId)"
                            ],
                            decodingType: APIResponse<User_Token>.self)
                
            }
            .sink { [weak self] completion in
                switch completion {
                case .failure(let error):
                    printLog("\(error)")
                    self?.toggleLoading = false
                case .finished:
                    self?.toggleLoading = false
                }
            } receiveValue: { [weak self] response in
                guard let self = self else { return }
                guard let userAcademy = response as? APIResponse<User_Token> else {return}
                if let bids = userAcademy.data.toStringDict()["bid"] {
                    printLog(bids)
                    if let bidArray: [String] = jsonToSwift(bids) {
                        self.pathName = .SelectAcademy
                    } else {
                        printLog("JSON 변환 실패")
                    }
                }
            }
            .store(in: &cancellables)
    }
}