/*
 * Copyright (C) 2012 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.contacts.common.model.dataitem;

import android.content.ContentValues;
import android.content.Context;
import android.provider.ContactsContract.CommonDataKinds.Email;
import android.provider.ContactsContract.CommonDataKinds.Event;
import android.provider.ContactsContract.CommonDataKinds.GroupMembership;
import android.provider.ContactsContract.CommonDataKinds.Identity;
import android.provider.ContactsContract.CommonDataKinds.Im;
import android.provider.ContactsContract.CommonDataKinds.Nickname;
import android.provider.ContactsContract.CommonDataKinds.Note;
import android.provider.ContactsContract.CommonDataKinds.Organization;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.CommonDataKinds.Photo;
import android.provider.ContactsContract.CommonDataKinds.Relation;
import android.provider.ContactsContract.CommonDataKinds.SipAddress;
import android.provider.ContactsContract.CommonDataKinds.StructuredName;
import android.provider.ContactsContract.CommonDataKinds.StructuredPostal;
import android.provider.ContactsContract.CommonDataKinds.Website;
import android.provider.ContactsContract.Contacts.Data;
import android.provider.ContactsContract.Contacts.Entity;
import com.android.contacts.common.Collapser;
import com.android.contacts.common.MoreContactUtils;
import com.android.contacts.common.model.account.AccountType.EditType;

/** This is the base class for data items, which represents a row from the Data table. */
public class DataItem implements Collapser.Collapsible<DataItem> {

  private final ContentValues mContentValues;
  protected DataKind mKind;

  protected DataItem(ContentValues values) {
    mContentValues = values;
  }

  /**
   * Factory for creating subclasses of DataItem objects based on the mimetype in the content
   * values. Raw contact is the raw contact that this data item is associated with.
   */
  public static DataItem createFrom(ContentValues values) {
    final String mimeType = values.getAsString(Data.MIMETYPE);
    if (GroupMembership.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new GroupMembershipDataItem(values);
    } else if (StructuredName.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new StructuredNameDataItem(values);
    } else if (Phone.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new PhoneDataItem(values);
    } else if (Email.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new EmailDataItem(values);
    } else if (StructuredPostal.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new StructuredPostalDataItem(values);
    } else if (Im.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new ImDataItem(values);
    } else if (Organization.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new OrganizationDataItem(values);
    } else if (Nickname.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new NicknameDataItem(values);
    } else if (Note.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new NoteDataItem(values);
    } else if (Website.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new WebsiteDataItem(values);
    } else if (SipAddress.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new SipAddressDataItem(values);
    } else if (Event.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new EventDataItem(values);
    } else if (Relation.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new RelationDataItem(values);
    } else if (Identity.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new IdentityDataItem(values);
    } else if (Photo.CONTENT_ITEM_TYPE.equals(mimeType)) {
      return new PhotoDataItem(values);
    }

    // generic
    return new DataItem(values);
  }

  public ContentValues getContentValues() {
    return mContentValues;
  }

  public Long getRawContactId() {
    return mContentValues.getAsLong(Data.RAW_CONTACT_ID);
  }

  public void setRawContactId(long rawContactId) {
    mContentValues.put(Data.RAW_CONTACT_ID, rawContactId);
  }

  /** Returns the data id. */
  public long getId() {
    return mContentValues.getAsLong(Data._ID);
  }

  /** Returns the mimetype of the data. */
  public String getMimeType() {
    return mContentValues.getAsString(Data.MIMETYPE);
  }

  public void setMimeType(String mimeType) {
    mContentValues.put(Data.MIMETYPE, mimeType);
  }

  public boolean isPrimary() {
    Integer primary = mContentValues.getAsInteger(Data.IS_PRIMARY);
    return primary != null && primary != 0;
  }

  public boolean isSuperPrimary() {
    Integer superPrimary = mContentValues.getAsInteger(Data.IS_SUPER_PRIMARY);
    return superPrimary != null && superPrimary != 0;
  }

  public boolean hasKindTypeColumn(DataKind kind) {
    final String key = kind.typeColumn;
    return key != null
        && mContentValues.containsKey(key)
        && mContentValues.getAsInteger(key) != null;
  }

  public int getKindTypeColumn(DataKind kind) {
    final String key = kind.typeColumn;
    return mContentValues.getAsInteger(key);
  }

  /**
   * Indicates the carrier presence value for the current {@link DataItem}.
   *
   * @return {@link Data#CARRIER_PRESENCE_VT_CAPABLE} if the {@link DataItem} supports carrier video
   *     calling, {@code 0} otherwise.
   */
  public int getCarrierPresence() {
    return mContentValues.getAsInteger(Data.CARRIER_PRESENCE);
  }

  /**
   * This builds the data string depending on the type of data item by using the generic DataKind
   * object underneath.
   */
  public String buildDataString(Context context, DataKind kind) {
    if (kind.actionBody == null) {
      return null;
    }
    CharSequence actionBody = kind.actionBody.inflateUsing(context, mContentValues);
    return actionBody == null ? null : actionBody.toString();
  }

  /**
   * This builds the data string(intended for display) depending on the type of data item. It
   * returns the same value as {@link #buildDataString} by default, but certain data items can
   * override it to provide their version of formatted data strings.
   *
   * @return Data string representing the data item, possibly formatted for display
   */
  public String buildDataStringForDisplay(Context context, DataKind kind) {
    return buildDataString(context, kind);
  }

  public DataKind getDataKind() {
    return mKind;
  }

  public void setDataKind(DataKind kind) {
    mKind = kind;
  }

  public Integer getTimesUsed() {
    return mContentValues.getAsInteger(Entity.TIMES_USED);
  }

  public Long getLastTimeUsed() {
    return mContentValues.getAsLong(Entity.LAST_TIME_USED);
  }

  @Override
  public void collapseWith(DataItem that) {
    DataKind thisKind = getDataKind();
    DataKind thatKind = that.getDataKind();
    // If this does not have a type and that does, or if that's type is higher precedence,
    // use that's type
    if ((!hasKindTypeColumn(thisKind) && that.hasKindTypeColumn(thatKind))
        || (that.hasKindTypeColumn(thatKind)
            && getTypePrecedence(thisKind, getKindTypeColumn(thisKind))
                > getTypePrecedence(thatKind, that.getKindTypeColumn(thatKind)))) {
      mContentValues.put(thatKind.typeColumn, that.getKindTypeColumn(thatKind));
      mKind = thatKind;
    }

    // Choose the max of the maxLines and maxLabelLines values.
    mKind.maxLinesForDisplay = Math.max(thisKind.maxLinesForDisplay, thatKind.maxLinesForDisplay);

    // If any of the collapsed entries are super primary make the whole thing super primary.
    if (isSuperPrimary() || that.isSuperPrimary()) {
      mContentValues.put(Data.IS_SUPER_PRIMARY, 1);
      mContentValues.put(Data.IS_PRIMARY, 1);
    }

    // If any of the collapsed entries are primary make the whole thing primary.
    if (isPrimary() || that.isPrimary()) {
      mContentValues.put(Data.IS_PRIMARY, 1);
    }

    // Add up the times used
    mContentValues.put(
        Entity.TIMES_USED,
        (getTimesUsed() == null ? 0 : getTimesUsed())
            + (that.getTimesUsed() == null ? 0 : that.getTimesUsed()));

    // Use the most recent time
    mContentValues.put(
        Entity.LAST_TIME_USED,
        Math.max(
            getLastTimeUsed() == null ? 0 : getLastTimeUsed(),
            that.getLastTimeUsed() == null ? 0 : that.getLastTimeUsed()));
  }

  @Override
  public boolean shouldCollapseWith(DataItem t, Context context) {
    if (mKind == null || t.getDataKind() == null) {
      return false;
    }
    return MoreContactUtils.shouldCollapse(
        getMimeType(),
        buildDataString(context, mKind),
        t.getMimeType(),
        t.buildDataString(context, t.getDataKind()));
  }

  /**
   * Return the precedence for the the given {@link EditType#rawValue}, where lower numbers are
   * higher precedence.
   */
  private static int getTypePrecedence(DataKind kind, int rawValue) {
    for (int i = 0; i < kind.typeList.size(); i++) {
      final EditType type = kind.typeList.get(i);
      if (type.rawValue == rawValue) {
        return i;
      }
    }
    return Integer.MAX_VALUE;
  }
}