//
//  SignupViewModel.swift
//  medmap
//

import Foundation
import Combine
import SwiftUI
@MainActor
final class SignupViewModel: ViewModel {

    @Published var email = ""
    @Published var password = ""
    @Published var confirmationPassword = ""
    @Published private(set) var errorMessage: String?

    private let api: MedMapAPI = DIContainer.shared.resolve()

   

    var canSubmit: Bool {
        !email.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty &&
        password.count >= 8 &&
        password == confirmationPassword &&
        !isLoading
    }

    func signup() async {
        guard canSubmit else { return }

        errorMessage = nil
        isLoading = true
        defer { isLoading = false }

        do {
            let response = try await api.signup(
                email: email.trimmingCharacters(in: .whitespacesAndNewlines),
                password: password,
                role: .patient
            )

            guard response.role == .patient else {
                errorMessage = "Nao foi possivel criar uma conta de doente."
                return
            }

            appStateManager.navigateTo(state: .dashboard)
        } catch {
            errorMessage = "Nao foi possivel criar a conta. Confirme os dados ou tente outro email."
            fluxlog("Patient signup failed: \(error.localizedDescription)")
        }
    }

    func showLogin() {
        appStateManager.navigateBack()
    }
}