/**

 * Geekttrss is a RSS feed reader application on the Android Platform.

 *

 * Copyright (C) 2017-2018 by Frederic-Charles Barthelery.

 *

 * This file is part of Geekttrss.

 *

 * Geekttrss is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Geekttrss is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 */

package com.geekorum.ttrss.data

import android.database.sqlite.SQLiteDatabase

import androidx.arch.core.executor.testing.InstantTaskExecutorRule

import androidx.core.content.contentValuesOf

import androidx.lifecycle.Observer

import androidx.paging.LivePagedListBuilder

import androidx.paging.PagedList

import androidx.room.Room

import androidx.sqlite.db.SupportSQLiteDatabase

import androidx.test.core.app.ApplicationProvider

import androidx.test.ext.junit.runners.AndroidJUnit4

import com.geekorum.ttrss.data.migrations.runInTransaction

import com.geekorum.ttrss.providers.ArticlesContract

import com.geekorum.ttrss.providers.DbHelper

import com.google.common.truth.Truth.assertThat

import org.junit.Rule

import org.junit.runner.RunWith

import kotlin.test.BeforeTest

import kotlin.test.Test

@RunWith(AndroidJUnit4::class)

class ArticleFullTextSearchTest {

    @get:Rule

    val roomRule = InstantTaskExecutorRule()

    private lateinit var database: ArticlesDatabase

    @BeforeTest

    fun beforeTest() {

        database = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(),

            ArticlesDatabase::class.java)

            .allowMainThreadQueries()

            .build()

        createSomeArticles(database.openHelper.writableDatabase)

    }

    @Test

    fun testAnFTSSearchPagedList() {

        val expected = Article(

            id = 1,

            contentData = ArticleContentIndexed(

                title = "Comment Linux est devenu un enjeu strategique pour la silicon valley",

                content = """L’emblématique système d’exploitation libre est devenu un outil-clé

                    |de tous les grands groupes du Web, comme l’illustre le rachat de Red Hat. […]""".trimMargin(),

                tags = "article tags",

                author = "article author"

            ),

            score = 0,

            isPublished = true,

            lastTimeUpdate = 0,

            isUnread = true,

            isTransientUnread = true,

            isStarred = true,

            isUpdated = true,

            feedId = 1,

            link = "article links",

            flavorImageUri = "article flavor image uri",

            contentExcerpt = "a content excerpt"

        )

        val articleDao = database.articleDao()

        val factory = articleDao.searchArticles("linux")

        val livedata = LivePagedListBuilder(factory, 10).build()

        val observer = Observer<PagedList<Article>> {

            assertThat(it).containsExactly(expected)

        }

        livedata.observeForever(observer)

        livedata.removeObserver(observer)

    }

    private fun createSomeArticles(db: SupportSQLiteDatabase) {

        db.runInTransaction {

            var values = contentValuesOf(

                ArticlesContract.Category._ID to 0,

                ArticlesContract.Category.TITLE to "category",

                ArticlesContract.Category.UNREAD_COUNT to 2

            )

            db.insert(DbHelper.TABLE_CATEGORIES, SQLiteDatabase.CONFLICT_NONE, values)

            values = contentValuesOf(

                ArticlesContract.Feed.TITLE to "feed title",

                ArticlesContract.Feed.URL to "feed url",

                ArticlesContract.Feed.CAT_ID to 0,

                ArticlesContract.Feed.UNREAD_COUNT to 2,

                ArticlesContract.Feed.LAST_TIME_UPDATE to 0,

                ArticlesContract.Feed.DISPLAY_TITLE to "display title"

            )

            db.insert(DbHelper.TABLE_FEEDS, SQLiteDatabase.CONFLICT_NONE, values)

            values = contentValuesOf(

                ArticlesContract.Article._ID to 0,

                ArticlesContract.Article.TITLE to "article title",

                ArticlesContract.Article.CONTENT to "a content",

                ArticlesContract.Article.SCORE to 0,

                ArticlesContract.Article.PUBLISHED to 1,

                ArticlesContract.Article.LAST_TIME_UPDATE to 0,

                ArticlesContract.Article.UNREAD to 1,

                ArticlesContract.Article.TRANSIENT_UNREAD to 1,

                ArticlesContract.Article.STARRED to 1,

                ArticlesContract.Article.IS_UPDATED to 1,

                ArticlesContract.Article.FEED_ID to 1,

                ArticlesContract.Article.LINK to "article links",

                ArticlesContract.Article.TAGS to "article tags",

                ArticlesContract.Article.AUTHOR to "article author",

                ArticlesContract.Article.FLAVOR_IMAGE_URI to "article flavor image uri",

                ArticlesContract.Article.CONTENT_EXCERPT to "a content excerpt"

            )

            db.insert(DbHelper.TABLE_ARTICLES, SQLiteDatabase.CONFLICT_NONE, values)

            values = contentValuesOf(

                ArticlesContract.Article._ID to 1,

                ArticlesContract.Article.TITLE to "Comment Linux est devenu un enjeu strategique pour la silicon valley",

                ArticlesContract.Article.CONTENT to """L’emblématique système d’exploitation libre est devenu un outil-clé

                    |de tous les grands groupes du Web, comme l’illustre le rachat de Red Hat. […]""".trimMargin(),

                ArticlesContract.Article.SCORE to 0,

                ArticlesContract.Article.PUBLISHED to 1,

                ArticlesContract.Article.LAST_TIME_UPDATE to 0,

                ArticlesContract.Article.UNREAD to 1,

                ArticlesContract.Article.TRANSIENT_UNREAD to 1,

                ArticlesContract.Article.STARRED to 1,

                ArticlesContract.Article.IS_UPDATED to 1,

                ArticlesContract.Article.FEED_ID to 1,

                ArticlesContract.Article.LINK to "article links",

                ArticlesContract.Article.TAGS to "article tags",

                ArticlesContract.Article.AUTHOR to "article author",

                ArticlesContract.Article.FLAVOR_IMAGE_URI to "article flavor image uri",

                ArticlesContract.Article.CONTENT_EXCERPT to "a content excerpt"

            )

            db.insert(DbHelper.TABLE_ARTICLES, SQLiteDatabase.CONFLICT_NONE, values)

        }

    }

}