/*
 * Copyright (c) 2019 Oleksandr Bezushko
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall
 * be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
 * OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.insiderser.android.movies.ui.recommendations

import androidx.lifecycle.LiveData
import com.insiderser.android.movies.data.repository.MovieDetailsRepository
import com.insiderser.android.movies.model.Poster
import com.insiderser.android.movies.model.types.MoviesSuggestionsType
import com.insiderser.android.movies.ui.MovieDetailsViewModel
import com.insiderser.android.movies.ui.PosterListFragment
import com.insiderser.android.movies.utils.extentions.map
import javax.inject.Inject

class RecommendationsViewModel @Inject constructor(
        movieDetailsRepository: MovieDetailsRepository) :
        MovieDetailsViewModel(movieDetailsRepository), PosterListFragment.Source {
    
    override lateinit var posters: LiveData<List<Poster>>
        private set
    
    private lateinit var type: MoviesSuggestionsType
    
    fun initState(movieId: Int, type: MoviesSuggestionsType) {
        this.type = type
        super.initState(movieId)
    }
    
    override fun init() {
        super.init()
        
        posters = loadedMovieDetails.map {
            it?.let { movieDetails ->
                when(type) {
                    MoviesSuggestionsType.RECOMMENDATIONS -> movieDetails.recommendations
                    MoviesSuggestionsType.SIMILAR_MOVIES -> movieDetails.similar
                }
            }
        }
    }
}