/*
 * Copyright (c) 2021 PSMForums. All rights reserved.
 * 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.joshuacerdenia.android.nicefeed.data.local.database

import androidx.room.*
import com.joshuacerdenia.android.nicefeed.data.model.cross.FeedEntryCrossRef
import com.joshuacerdenia.android.nicefeed.data.model.entry.Entry

interface FeedEntryCrossRefsDao {

    @Insert(onConflict = OnConflictStrategy.IGNORE)
    fun addFeedEntryCrossRefs(crossRefs: List<FeedEntryCrossRef>)

    @Transaction
    fun addFeedEntryCrossRefs(feedId: String, entries: List<Entry>) {
        addFeedEntryCrossRefs(entries.map { FeedEntryCrossRef(feedId, it.url) })
    }

    @Query("DELETE FROM FeedEntryCrossRef WHERE feedUrl = :feedId AND entryUrl IN (:entryIds)")
    fun deleteFeedEntryCrossRefs(feedId: String, entryIds: List<String>)

    @Query("DELETE FROM FeedEntryCrossRef WHERE feedUrl IN (:feedId)")
    fun deleteCrossRefsByFeed(vararg feedId: String)

    @Query("DELETE FROM FeedEntryCrossRef WHERE feedUrl NOT IN (SELECT url FROM Feed)")
    fun deleteLeftoverCrossRefs()
}