package it.niedermann.nextcloud.deck.ui.attachments;

import android.content.Context;
import android.os.Build;
import android.view.LayoutInflater;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.bumptech.glide.Glide;

import java.util.List;

import it.niedermann.nextcloud.deck.R;
import it.niedermann.nextcloud.deck.databinding.ItemAttachmentBinding;
import it.niedermann.nextcloud.deck.model.Account;
import it.niedermann.nextcloud.deck.model.Attachment;
import it.niedermann.nextcloud.deck.util.AttachmentUtil;

public class AttachmentAdapter extends RecyclerView.Adapter<AttachmentAdapter.AttachmentViewHolder> {

    private final Account account;
    private final long cardRemoteId;
    @NonNull
    private List<Attachment> attachments;
    private Context context;

    public AttachmentAdapter(@NonNull Account account, long cardRemoteId, @NonNull List<Attachment> attachments) {
        super();
        this.attachments = attachments;
        this.account = account;
        this.cardRemoteId = cardRemoteId;
    }

    @NonNull
    @Override
    public AttachmentViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        this.context = parent.getContext();
        return new AttachmentViewHolder(ItemAttachmentBinding.inflate(LayoutInflater.from(context), parent, false));
    }

    @Override
    public void onBindViewHolder(@NonNull AttachmentViewHolder holder, int position) {
        Attachment attachment = attachments.get(position);
        String uri = AttachmentUtil.getUrl(account.getUrl(), cardRemoteId, attachment.getId());
        if (attachment.getMimetype() != null) {
            if (attachment.getMimetype().startsWith("image")) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                    holder.binding.preview.setTransitionName(context.getString(R.string.transition_attachment_preview, String.valueOf(attachment.getLocalId())));
                }
                holder.binding.preview.setImageResource(R.drawable.ic_image_grey600_24dp);
                Glide.with(context)
                        .load(uri)
                        .error(R.drawable.ic_image_grey600_24dp)
                        .into(holder.binding.preview);
            }
        }
    }

    @Override
    public int getItemCount() {
        return attachments.size();
    }

    static class AttachmentViewHolder extends RecyclerView.ViewHolder {
        private ItemAttachmentBinding binding;

        private AttachmentViewHolder(ItemAttachmentBinding binding) {
            super(binding.getRoot());
            this.binding = binding;
        }
    }
}