package com.iamthefij.otbeta;

import android.content.Context;
import android.content.SharedPreferences;

import com.google.gson.Gson;
import com.iamthefij.otbeta.api.Exerciser;

/**
 * Store authenticated user information to device shared preferences
 */

class ExerciserStore {

    private static final String PREF_DEFAULT_STRING = "";
    private static final String PREF_EXERCISER_KEY = "exerciser_json";
    private static final String PREFS_NAME = ExerciserStore.class.getName();
    private final Context mContext;

    public ExerciserStore(Context context) {
        mContext = context;
    }

    public Exerciser getExerciser() {
        Exerciser exerciser = null;
        String exerciserJson = getExerciserJsonString();
        if (!exerciserJson.equals(PREF_DEFAULT_STRING)) {
            Gson gson = new Gson();
            exerciser = gson.fromJson(exerciserJson, Exerciser.class);
        }

        return exerciser;
    }

    public void saveExerciser(Exerciser exerciser) {
        Gson gson = new Gson();
        String jsonSessionCookieString = gson.toJson(exerciser);
        SharedPreferences.Editor editor = getPrefs().edit();
        editor.putString(PREF_EXERCISER_KEY, jsonSessionCookieString);
        editor.apply();
    }

    private String getExerciserJsonString() {
        return getPrefs().getString(PREF_EXERCISER_KEY, PREF_DEFAULT_STRING);
    }

    private SharedPreferences getPrefs() {
        return mContext.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
    }
}