package de.danoeh.antennapod.fragment;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.squareup.picasso.Picasso;

import de.danoeh.antennapod.BuildConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.AudioplayerActivity;
import de.danoeh.antennapod.activity.AudioplayerActivity.AudioplayerContentFragment;
import de.danoeh.antennapod.core.util.playback.Playable;

/**
 * Displays the cover and the title of a FeedItem.
 */
public class CoverFragment extends Fragment implements
        AudioplayerContentFragment {
    private static final String TAG = "CoverFragment";
    private static final String ARG_PLAYABLE = "arg.playable";

    private Playable media;

    private ImageView imgvCover;

    private boolean viewCreated = false;

    public static CoverFragment newInstance(Playable item) {
        CoverFragment f = new CoverFragment();
        if (item != null) {
            Bundle args = new Bundle();
            args.putParcelable(ARG_PLAYABLE, item);
            f.setArguments(args);
        }
        return f;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRetainInstance(true);
        Bundle args = getArguments();
        if (args != null) {
            media = args.getParcelable(ARG_PLAYABLE);
        } else {
            Log.e(TAG, TAG + " was called with invalid arguments");
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View root = inflater.inflate(R.layout.cover_fragment, container, false);
        imgvCover = (ImageView) root.findViewById(R.id.imgvCover);
        imgvCover.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Activity activity = getActivity();
                if (activity != null && activity instanceof AudioplayerActivity) {
                    ((AudioplayerActivity)activity).switchToLastFragment();
                }
            }
        });
        viewCreated = true;
        return root;
    }

    private void loadMediaInfo() {
        if (media != null) {
            imgvCover.post(new Runnable() {

                @Override
                public void run() {
                    Context c = getActivity();
                    if (c != null) {
                        Picasso.with(c)
                                .load(media.getImageUri())
                                .into(imgvCover);
                    }
                }
            });
        } else {
            Log.w(TAG, "loadMediaInfo was called while media was null");
        }
    }

    @Override
    public void onStart() {
        if (BuildConfig.DEBUG)
            Log.d(TAG, "On Start");
        super.onStart();
        if (media != null) {
            if (BuildConfig.DEBUG)
                Log.d(TAG, "Loading media info");
            loadMediaInfo();
        } else {
            Log.w(TAG, "Unable to load media info: media was null");
        }
    }

    @Override
    public void onDataSetChanged(Playable media) {
        this.media = media;
        if (viewCreated) {
            loadMediaInfo();
        }

    }

}