/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.email.activity.setup;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;

import com.android.email.R;
import com.android.email.activity.ActivityHelper;
import com.android.email.activity.UiUtilities;
import com.android.email.service.EmailServiceUtils;
import com.android.email.service.EmailServiceUtils.EmailServiceInfo;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.provider.HostAuth;

/**
 * Prompts the user to select an account type. The account type, along with the
 * passed in email address, password and makeDefault are then passed on to the
 * AccountSetupIncoming activity.
 */
public class AccountSetupType extends AccountSetupActivity implements OnClickListener {

    public static void actionSelectAccountType(Activity fromActivity) {
        Intent i = new ForwardingIntent(fromActivity, AccountSetupType.class);
        fromActivity.startActivity(i);
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ActivityHelper.debugSetWindowFlags(this);
        int flowMode = SetupData.getFlowMode();

        String accountType = SetupData.getFlowAccountType();
        // If we're in account setup flow mode, see if there's just one protocol that matches
        if (flowMode == SetupData.FLOW_MODE_ACCOUNT_MANAGER) {
            int matches = 0;
            String protocol = null;
            for (EmailServiceInfo info: EmailServiceUtils.getServiceInfoList(this)) {
                if (info.accountType.equals(accountType)) {
                    protocol = info.protocol;
                    matches++;
                }
            }
            // If so, select it...
            if (matches == 1) {
                onSelect(protocol);
                return;
            }
        }

        // Otherwise proceed into this screen
        setContentView(R.layout.account_setup_account_type);
        ViewGroup parent = UiUtilities.getView(this, R.id.accountTypes);
        boolean parentRelative = parent instanceof RelativeLayout;
        View lastView = parent.getChildAt(0);
        int i = 1;
        for (EmailServiceInfo info: EmailServiceUtils.getServiceInfoList(this)) {
            if (EmailServiceUtils.isServiceAvailable(this, info.protocol)) {
                // If we're looking for a specific account type, reject others
                if (accountType != null && !accountType.equals(info.accountType)) {
                    continue;
                }
                LayoutInflater.from(this).inflate(R.layout.account_type, parent);
                Button button = (Button)parent.getChildAt(i);
                if (parentRelative) {
                    LayoutParams params = (LayoutParams)button.getLayoutParams();
                    params.addRule(RelativeLayout.BELOW, lastView.getId());
                 }
                button.setId(i);
                button.setTag(info.protocol);
                button.setText(info.name);
                button.setOnClickListener(this);
                lastView = button;
                i++;
                // TODO: Remember vendor overlay for exchange name
            }
       }
        final Button previousButton = (Button) findViewById(R.id.previous); // xlarge only
        if (previousButton != null) previousButton.setOnClickListener(this);
    }

    /**
     * The user has selected an exchange account type. Set the mail delete policy here, because
     * there is no UI (for exchange), and switch the default sync interval to "push".
     */
    private void onSelect(String protocol) {
        Account account = SetupData.getAccount();
        HostAuth recvAuth = account.getOrCreateHostAuthRecv(this);
        recvAuth.setConnection(protocol, recvAuth.mAddress, recvAuth.mPort, recvAuth.mFlags);
        EmailServiceInfo info = EmailServiceUtils.getServiceInfo(this, protocol);
        if (info.usesAutodiscover) {
            SetupData.setCheckSettingsMode(SetupData.CHECK_AUTODISCOVER);
        } else {
            SetupData.setCheckSettingsMode(
                    SetupData.CHECK_INCOMING | (info.usesSmtp ? SetupData.CHECK_OUTGOING : 0));
        }
        recvAuth.mLogin = recvAuth.mLogin + "@" + recvAuth.mAddress;
        AccountSetupBasics.setDefaultsForProtocol(this, account);
        AccountSetupIncoming.actionIncomingSettings(this, SetupData.getFlowMode(), account);
        // Back from the incoming screen returns to AccountSetupBasics
        finish();
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.previous:
                finish();
                break;
            default:
                onSelect((String)v.getTag());
                break;
        }
    }
}