/*
 * 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.model.dataitem;

import android.content.ContentValues;
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 com.android.contacts.model.AccountTypeManager;
import com.android.contacts.model.RawContact;
import com.android.contacts.model.account.AccountType;

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

    private final ContentValues mContentValues;

    /**
     * The raw contact that this data item is associated with.  This can be null.
     */
    private final RawContact mRawContact;
    private DataKind mDataKind;

    protected DataItem(RawContact rawContact, ContentValues values) {
        mContentValues = values;
        mRawContact = rawContact;
    }

    /**
     * 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(RawContact rawContact, ContentValues values) {
        final String mimeType = values.getAsString(Data.MIMETYPE);
        if (GroupMembership.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new GroupMembershipDataItem(rawContact, values);
        } else if (StructuredName.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new StructuredNameDataItem(rawContact, values);
        } else if (Phone.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new PhoneDataItem(rawContact, values);
        } else if (Email.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new EmailDataItem(rawContact, values);
        } else if (StructuredPostal.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new StructuredPostalDataItem(rawContact, values);
        } else if (Im.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new ImDataItem(rawContact, values);
        } else if (Organization.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new OrganizationDataItem(rawContact, values);
        } else if (Nickname.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new NicknameDataItem(rawContact, values);
        } else if (Note.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new NoteDataItem(rawContact, values);
        } else if (Website.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new WebsiteDataItem(rawContact, values);
        } else if (SipAddress.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new SipAddressDataItem(rawContact, values);
        } else if (Event.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new EventDataItem(rawContact, values);
        } else if (Relation.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new RelationDataItem(rawContact, values);
        } else if (Identity.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new IdentityDataItem(rawContact, values);
        } else if (Photo.CONTENT_ITEM_TYPE.equals(mimeType)) {
            return new PhotoDataItem(rawContact, values);
        }

        // generic
        return new DataItem(rawContact, values);
    }

    public ContentValues getContentValues() {
        return mContentValues;
    }

    protected RawContact getRawContact() {
        return mRawContact;
    }

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

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

    public long getRawContactId() {
        return mContentValues.getAsLong(Data.RAW_CONTACT_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 int getDataVersion() {
        return mContentValues.getAsInteger(Data.DATA_VERSION);
    }

    public AccountTypeManager getAccountTypeManager() {
        if (mRawContact == null) {
            return null;
        } else {
            return mRawContact.getAccountTypeManager();
        }
    }

    public AccountType getAccountType() {
        if (mRawContact == null) {
            return null;
        } else {
            return mRawContact.getAccountType();
        }
    }

    /**
     * This method can only be invoked if the raw contact is non-null.
     */
    public DataKind getDataKind() {
        if (mRawContact == null) {
            throw new IllegalStateException("mRawContact must be non-null to call getDataKind()");
        }

        if (mDataKind == null) {
            mDataKind = getAccountTypeManager().getKindOrFallback(
                    mRawContact.getAccountTypeString(), mRawContact.getDataSet(), getMimeType());
        }

        return mDataKind;
    }

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

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

    /**
     * This builds the data string depending on the type of data item by using the generic
     * DataKind object underneath.  This DataItem object must be associated with a raw contact
     * for this function to work.
     */
    public String buildDataString() {
        if (mRawContact == null) {
            throw new IllegalStateException("mRawContact must be non-null to call getDataKind()");
        }
        final DataKind kind = getDataKind();

        if (kind.actionBody == null) {
            return null;
        }
        CharSequence actionBody = kind.actionBody.inflateUsing(mRawContact.getContext(),
                mContentValues);
        return actionBody == null ? null : actionBody.toString();
    }

    public String getKindString() {
        final DataKind kind = getDataKind();
        return (kind.titleRes == -1 || kind.titleRes == 0) ? ""
                : mRawContact.getContext().getString(kind.titleRes);
    }
}