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/*
 * Copyright (C) 2014 Divide.io
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package io.divide.client.auth.credentials;

import com.google.gson.Gson;
import com.google.inject.Inject;
import io.divide.client.auth.AccountStorage;
import io.divide.shared.file.Storage;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class GenericAccountStorage implements AccountStorage {

    Gson gson = new Gson();
    Storage storage;

    @Inject
    public GenericAccountStorage(Storage storage){
        this.storage = storage;
    }

    @Override
    public void addAcccount(LocalCredentials credentials) {
        storage.edit().putString(credentials.getName(),gson.toJson(credentials)).commit();
    }

    @Override
    public void removeAccount(String accountName) {
        storage.edit().remove(accountName).commit();
    }

    @Override
    public LocalCredentials getAccount(String accountName) {
        if(storage.contains(accountName))
            return gson.fromJson(storage.getString(accountName,null),LocalCredentials.class);
        else
            return null;
    }

    @Override
    public boolean isAuthenticated(String accountName) {
        return false;
    }

    @Override
    public void setAuthToken(String accountName, String token) {
        LocalCredentials credentials = getAccount(accountName);
        if(credentials!=null){
            credentials.setAuthToken(token);
            addAcccount(credentials);
        }
    }

    @Override
    public void setRecoveryToken(String accountName, String token) {
        LocalCredentials credentials = getAccount(accountName);
        if(credentials!=null){
            credentials.setRecoveryToken(token);
            addAcccount(credentials);
        }
    }

    @Override
    public List getAccounts() {
        Map map = (Map) storage.getAll();
        List list = new ArrayList(map.size());

        for(String s : map.values()){
            list.add(gson.fromJson(s,LocalCredentials.class));
        }

        return list;
    }

    @Override
    public boolean exists(String name) {
        return storage.contains(name);
    }
}