/*
 * Copyright (C) 2011 The Android Open Source Project
 * Copyright (C) 2013 Android Open Kang 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.dialer.callstats;

import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.provider.CallLog.Calls;
import android.os.AsyncTask;
import android.text.format.DateUtils;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;

import com.android.contacts.common.CallUtil;
import com.android.contacts.common.GeoUtil;
import com.android.dialer.CallDetailHeader;
import com.android.dialer.R;
import com.android.dialer.calllog.ContactInfo;
import com.android.dialer.calllog.ContactInfoHelper;
import com.android.dialer.calllog.PhoneNumberDisplayHelper;
import com.android.dialer.calllog.PhoneNumberUtilsWrapper;
import com.android.dialer.widget.PieChartView;

/**
 * Activity to display detailed information about a callstat item
 */
public class CallStatsDetailActivity extends Activity {
    private static final String TAG = "CallStatsDetailActivity";

    public static final String EXTRA_DETAILS = "details";
    public static final String EXTRA_FROM = "from";
    public static final String EXTRA_TO = "to";
    public static final String EXTRA_BY_DURATION = "by_duration";

    private CallStatsDetailHelper mCallStatsDetailHelper;
    private ContactInfoHelper mContactInfoHelper;
    private CallDetailHeader mCallDetailHeader;
    private Resources mResources;

    private TextView mHeaderTextView;
    private TextView mTotalSummary;
    private TextView mTotalDuration;
    private TextView mInSummary;
    private TextView mInCount;
    private TextView mInDuration;
    private TextView mOutSummary;
    private TextView mOutCount;
    private TextView mOutDuration;
    private TextView mMissedSummary;
    private TextView mMissedCount;
    private PieChartView mPieChart;

    private CallStatsDetails mData;
    private String mNumber = null;

    private class UpdateContactTask extends AsyncTask<String, Void, ContactInfo> {
        protected ContactInfo doInBackground(String... strings) {
            ContactInfo info = mContactInfoHelper.lookupNumber(strings[0], strings[1]);
            return info;
        }

        protected void onPostExecute(ContactInfo info) {
            mData.updateFromInfo(info);
            updateData();
        }
    }

    @Override
    protected void onCreate(Bundle icicle) {
        super.onCreate(icicle);

        setContentView(R.layout.call_stats_detail);

        mResources = getResources();

        PhoneNumberDisplayHelper phoneNumberHelper = new PhoneNumberDisplayHelper(mResources);
        mCallDetailHeader = new CallDetailHeader(this, phoneNumberHelper);
        mCallStatsDetailHelper = new CallStatsDetailHelper(mResources,
                new PhoneNumberUtilsWrapper());
        mContactInfoHelper = new ContactInfoHelper(this, GeoUtil.getCurrentCountryIso(this));

        mHeaderTextView = (TextView) findViewById(R.id.header_text);
        mTotalSummary = (TextView) findViewById(R.id.total_summary);
        mTotalDuration = (TextView) findViewById(R.id.total_duration);
        mInSummary = (TextView) findViewById(R.id.in_summary);
        mInCount = (TextView) findViewById(R.id.in_count);
        mInDuration = (TextView) findViewById(R.id.in_duration);
        mOutSummary = (TextView) findViewById(R.id.out_summary);
        mOutCount = (TextView) findViewById(R.id.out_count);
        mOutDuration = (TextView) findViewById(R.id.out_duration);
        mMissedSummary = (TextView) findViewById(R.id.missed_summary);
        mMissedCount = (TextView) findViewById(R.id.missed_count);
        mPieChart = (PieChartView) findViewById(R.id.pie_chart);

        configureActionBar();
        Intent launchIntent = getIntent();
        mData = (CallStatsDetails) launchIntent.getParcelableExtra(EXTRA_DETAILS);

        TextView dateFilterView = (TextView) findViewById(R.id.date_filter);
        long filterFrom = launchIntent.getLongExtra(EXTRA_FROM, -1);
        if (filterFrom == -1) {
            dateFilterView.setVisibility(View.GONE);
        } else {
            long filterTo = launchIntent.getLongExtra(EXTRA_TO, -1);
            dateFilterView.setText(DateUtils.formatDateRange(
                    this, filterFrom, filterTo, DateUtils.FORMAT_ABBREV_ALL));
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        new UpdateContactTask().execute(mData.number.toString(), mData.countryIso);
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (mCallDetailHeader.handleKeyDown(keyCode, event)) {
            return true;
        }

        return super.onKeyDown(keyCode, event);
    }

    private void updateData() {
        mNumber = mData.number.toString();

        // Set the details header, based on the first phone call.
        mCallStatsDetailHelper.setCallStatsDetailHeader(mHeaderTextView, mData);
        mCallDetailHeader.updateViews(mNumber, mData.numberPresentation, mData);
        mCallDetailHeader.loadContactPhotos(mData.photoUri);
        invalidateOptionsMenu();

        mPieChart.setOriginAngle(240);
        mPieChart.removeAllSlices();

        boolean byDuration = getIntent().getBooleanExtra(EXTRA_BY_DURATION, true);

        mTotalSummary.setText(getString(R.string.call_stats_header_total_callsonly,
                CallStatsDetailHelper.getCallCountString(mResources, mData.getTotalCount())));
        mTotalDuration.setText(CallStatsDetailHelper.getDurationString(
                    mResources, mData.getFullDuration(), true));

        if (shouldDisplay(Calls.INCOMING_TYPE, byDuration)) {
            int percent = byDuration
                    ? mData.getDurationPercentage(Calls.INCOMING_TYPE)
                    : mData.getCountPercentage(Calls.INCOMING_TYPE);

            mInSummary.setText(getString(R.string.call_stats_incoming, percent));
            mInCount.setText(CallStatsDetailHelper.getCallCountString(
                    mResources, mData.incomingCount));
            mInDuration.setText(CallStatsDetailHelper.getDurationString(
                    mResources, mData.inDuration, true));
            mPieChart.addSlice(byDuration ? mData.inDuration : mData.incomingCount,
                    mResources.getColor(R.color.call_stats_incoming));
        } else {
            findViewById(R.id.in_container).setVisibility(View.GONE);
        }

        if (shouldDisplay(Calls.OUTGOING_TYPE, byDuration)) {
            int percent = byDuration
                    ? mData.getDurationPercentage(Calls.OUTGOING_TYPE)
                    : mData.getCountPercentage(Calls.OUTGOING_TYPE);

            mOutSummary.setText(getString(R.string.call_stats_outgoing, percent));
            mOutCount.setText(CallStatsDetailHelper.getCallCountString(
                    mResources, mData.outgoingCount));
            mOutDuration.setText(CallStatsDetailHelper.getDurationString(
                    mResources, mData.outDuration, true));
            mPieChart.addSlice(byDuration ? mData.outDuration : mData.outgoingCount,
                    mResources.getColor(R.color.call_stats_outgoing));
        } else {
            findViewById(R.id.out_container).setVisibility(View.GONE);
        }

        if (shouldDisplay(Calls.MISSED_TYPE, false)) {
            final String missedCount =
                    CallStatsDetailHelper.getCallCountString(mResources, mData.missedCount);

            if (byDuration) {
                mMissedSummary.setText(getString(R.string.call_stats_missed));
            } else {
                mMissedSummary.setText(getString(R.string.call_stats_missed_percent,
                        mData.getCountPercentage(Calls.MISSED_TYPE)));
                mPieChart.addSlice(mData.missedCount, mResources.getColor(R.color.call_stats_missed));
            }
            mMissedCount.setText(CallStatsDetailHelper.getCallCountString(
                    mResources, mData.missedCount));
        } else {
            findViewById(R.id.missed_container).setVisibility(View.GONE);
        }

        mPieChart.generatePath();
        findViewById(R.id.call_stats_detail).setVisibility(View.VISIBLE);
    }

    private boolean shouldDisplay(int type, boolean byDuration) {
        if (byDuration) {
            return mData.getRequestedDuration(type) != 0;
        } else {
            return mData.getRequestedCount(type) != 0;
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.call_stats_details_options, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        menu.findItem(R.id.menu_edit_number_before_call).setVisible(
                mCallDetailHeader.canEditNumberBeforeCall());
        return super.onPrepareOptionsMenu(menu);
    }

    @Override
    public boolean onMenuItemSelected(int featureId, MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home: {
                onHomeSelected();
                return true;
            }
            // All the options menu items are handled by onMenu... methods.
            default:
                throw new IllegalArgumentException();
        }
    }

    public void onMenuEditNumberBeforeCall(MenuItem menuItem) {
        startActivity(new Intent(Intent.ACTION_DIAL, CallUtil.getCallUri(mNumber)));
    }

    public void onMenuAddToBlacklist(MenuItem menuItem) {
        mContactInfoHelper.addNumberToBlacklist(mNumber);
    }

    private void configureActionBar() {
        ActionBar actionBar = getActionBar();
        if (actionBar != null) {
            actionBar.setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP
                    | ActionBar.DISPLAY_SHOW_HOME);
        }
    }

    private void onHomeSelected() {
        Intent intent = new Intent(Intent.ACTION_VIEW, Calls.CONTENT_URI);
        // This will open the call log even if the detail view has been opened directly.
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startActivity(intent);
        finish();
    }
}