package com.app.youtubers.realm;

import android.content.Context;

import com.app.youtubers.model.Info;
import com.app.youtubers.model.Video;
import com.app.youtubers.realm.table.RealmFavorite;
import com.app.youtubers.realm.table.RealmInfo;
import com.app.youtubers.utils.OnSaveListener;

import java.util.ArrayList;
import java.util.List;

import io.realm.Realm;
import io.realm.RealmResults;
import io.realm.Sort;

public class RealmController {

    private Realm realm;
    private RealmResults<RealmFavorite> realmResult;
    public Context context;

    public RealmController(Context context) {
        realm = Realm.getInstance(context);
        this.context = context;
    }

    public int getNextKey() {
        try {
            Number number = realm.where(RealmFavorite.class).max("favId");
            if (number != null) {
                return number.intValue() + 1;
            } else {
                return 0;
            }
        } catch (ArrayIndexOutOfBoundsException e) {
            return 0;
        }
    }

    public void addFavorite(String title, String description, String videoId, String thumbnail, OnSaveListener listener) {
        RealmFavorite fav = new RealmFavorite();
        fav.setId(getNextKey());
        fav.setVideoId(videoId);
        fav.setTitle(title);
        fav.setDescription(description);
        fav.setThumbnail(thumbnail);

        realm.beginTransaction();
        realm.copyToRealm(fav);
        realm.commitTransaction();

        if (listener != null) listener.action();
    }

    public void addFavorite(Video video, OnSaveListener listener) {
        String thumb = video.snippet.thumbnails != null ? video.snippet.thumbnails.high.url : "";
        addFavorite(video.snippet.title, video.snippet.description, video.contentDetails.videoId, thumb, listener);
    }

    public RealmInfo addInfo(Info info) {
        RealmInfo rInfo = new RealmInfo();
        rInfo.setTitle(info.snippet.title);
        rInfo.setDescription(info.snippet.description);
        rInfo.setThumbUrl(info.snippet.thumbnails.medium.url);
        if(info.brandingSettings != null && info.brandingSettings.image != null && info.brandingSettings.image.bannerMobileImageUrl != null){
            rInfo.setBannerUrl(info.brandingSettings.image.bannerMobileImageUrl);
        } else {
            rInfo.setBannerUrl(null);
        }
        rInfo.setVideoCount(info.statistics.videoCount);

        realm.beginTransaction();
        realm.copyToRealmOrUpdate(rInfo);
        realm.commitTransaction();

        return rInfo;
    }

    public List<RealmFavorite> showAllFav() {
        List<RealmFavorite> data = new ArrayList<>();

        realmResult = realm.where(RealmFavorite.class).findAll();
        realmResult.sort("favId", Sort.DESCENDING);
        if (realmResult.size() > 0) {
            for (int i = 0; i < realmResult.size(); i++) {
                int id;
                String title, description, videoId, thumbnail;
                id = realmResult.get(i).getId();
                title = realmResult.get(i).getTitle();
                description = realmResult.get(i).getDescription();
                videoId = realmResult.get(i).getVideoId();
                thumbnail = realmResult.get(i).getThumbnail();
                data.add(new RealmFavorite(videoId, id, title, description, thumbnail));
            }

        }
        return data;
    }

    public RealmInfo getInfo() {
        RealmInfo rInfo = realm.where(RealmInfo.class).findFirst();
        return rInfo;
    }

    public void deleteData(String videoId, OnSaveListener listener) {
        RealmResults<RealmFavorite> dataDesults = realm.where(RealmFavorite.class).equalTo("videoId", videoId).findAll();
        realm.beginTransaction();
        dataDesults.remove(0);
        dataDesults.removeLast();
        dataDesults.clear();
        realm.commitTransaction();

        listener.action();
    }

}