package com.owncloud.android;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import android.content.ActivityNotFoundException;
import android.content.Context;

import com.owncloud.android.datamodel.FileDataStorageManager;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.OwnCloudClientFactory;
import com.owncloud.android.lib.common.accounts.AccountUtils;
import com.owncloud.android.utils.FileStorageUtils;

import org.junit.BeforeClass;
import org.junit.runner.RunWith;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import androidx.test.InstrumentationRegistry;
import androidx.test.runner.AndroidJUnit4;

/**
 * Common base for all integration tests
 */

@RunWith(AndroidJUnit4.class)
public abstract class AbstractIT {

    protected static OwnCloudClient client;
    static Account account;
    protected static Context context;

    private static final String username = "test";
    private static final String password = "test";
    private static final String baseUrl = "server";

    @BeforeClass
    public static void beforeAll() {
        try {
            context = InstrumentationRegistry.getTargetContext();

            Account temp = new Account(username + "@" + baseUrl, MainApp.getAccountType(context));

            if (!com.owncloud.android.authentication.AccountUtils.exists(temp, context)) {
                AccountManager accountManager = AccountManager.get(context);
                accountManager.addAccountExplicitly(temp, password, null);
                accountManager.setUserData(temp, AccountUtils.Constants.KEY_OC_ACCOUNT_VERSION,
                        Integer.toString(com.owncloud.android.authentication.AccountUtils.ACCOUNT_VERSION));
                accountManager.setUserData(temp, AccountUtils.Constants.KEY_OC_VERSION, "14.0.0.0");
                accountManager.setUserData(temp, AccountUtils.Constants.KEY_OC_BASE_URL, "http://" + baseUrl);
            }

            account = com.owncloud.android.authentication.AccountUtils.getOwnCloudAccountByName(context,
                    username + "@" + baseUrl);

            if (account == null) {
                throw new ActivityNotFoundException();
            }

            client = OwnCloudClientFactory.createOwnCloudClient(account, context);

            createDummyFiles();
        } catch (OperationCanceledException e) {
            e.printStackTrace();
        } catch (AuthenticatorException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (AccountUtils.AccountNotFoundException e) {
            e.printStackTrace();
        }
    }

    FileDataStorageManager getStorageManager() {
        return new FileDataStorageManager(account, context.getContentResolver());
    }

    private static void createDummyFiles() throws IOException {
        new File(FileStorageUtils.getSavePath(account.name)).mkdirs();

        createFile("empty.txt", 0);
        createFile("nonEmpty.txt", 100);
        createFile("chunkedFile.txt", 500000);
    }

    private static void createFile(String name, int iteration) throws IOException {
        File file = new File(FileStorageUtils.getSavePath(account.name) + File.separator + name);
        file.createNewFile();

        FileWriter writer = new FileWriter(file);

        for (int i = 0; i < iteration; i++) {
            writer.write("123123123123123123123123123\n");
        }
        writer.flush();
        writer.close();
    }
}