//
//  ViewModel.swift
//  BreastFeedingDemo
//
//  Created by Jay Zhang on 2022/6/5.
//

import Foundation

class ViewModel {
    enum Language: String {
        case english
        case français = "french"
        case español = "spanish"
    }

    var env: String = "testing"
    var apiKey: String = "DLAB-customername-12345687"
    var region: String = "apac"

    var language: Language = .english {
        didSet {
            setupText()
        }
    }

    var landingPageTitle: String?
    var landingPageStep1: String?
    var landingPageStep2: String?
    var landingPageStep3: String?
    var landingPageStart: String?
    var congratulation: String?
    var completeBtn: String?

    var languagePack: [String: Any] {
        let languageFile = language.rawValue.appending(".json")
        let path: String = Bundle.main.path(forResource: languageFile, ofType: nil)!
        let nsUrl = URL(fileURLWithPath: path)
        let nsData = try! Data(contentsOf: nsUrl)
        let json = try! JSONSerialization.jsonObject(with: nsData) as! [String: Any]
        return json
    }

    var flutterArguments: String {
        let arguments: [String: Any] = [
            "languagePack": languagePack,
            "env": env,
            "apiKey": apiKey,
            "region": region,
        ]

        let data = try? JSONSerialization.data(withJSONObject: arguments, options: [])
        let str = String(data: data!, encoding: String.Encoding.utf8)
        return str!
    }

    init() {
        language = .english
        setupText()
    }

    fileprivate func setupText() {
        switch language {
        case .english:
            landingPageTitle = "Breastfeeding posture AI coach"
            landingPageStep1 = "Put your device on a stable surface"
            landingPageStep2 = "Keep one meter away from the camera, and fit your body into the guide line. Session starts in 5 seconds after you click \"Start Now\" button"
            landingPageStep3 = "Camera permission is needed for AI coach. Your clothes will not affect the AI coach"
            landingPageStart = "Start Now"
            congratulation = "Congratulations!"
            completeBtn = "OK"
        case .français:
            landingPageTitle = "Coach AI en posture d'allaitement"
            landingPageStep1 = "Placez votre appareil sur une surface stable"
            landingPageStep2 = "Tenez-vous à un mètre de la caméra et placez votre corps dans la ligne de guidage. La session démarre dans 5 secondes après avoir cliqué sur le bouton \"Démarrer maintenant\""
            landingPageStep3 = "L'autorisation de la caméra est nécessaire pour l'entraîneur AI. Vos vêtements n'affecteront pas l'entraîneur AI"
            landingPageStart = "Commencez maintenant"
            congratulation = "Toutes nos félicitations!"
            completeBtn = "OK"
        case .español:
            landingPageTitle = "Asistente de AI de postura de lactancia"
            landingPageStep1 = "Coloque su dispositivo en una superficie estable"
            landingPageStep2 = "Manténgase a un metro de distancia de la cámara y coloque su cuerpo en la línea. La sesión comienza en 5 segundos después de hacer clic en el botón \"Comenzar ahora\""
            landingPageStep3 = "Se necesita permiso para acceder a la cámara para el asistente de IA. Su ropa no afectará al asistente de IA"
            landingPageStart = "Empezar ahora"
            congratulation = "¡Felicidades!"
            completeBtn = "DE ACUERDO"
        }
    }
}