package app.fedilab.fedilabtube.drawer;


import android.annotation.SuppressLint;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.text.style.ForegroundColorSpan;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AlertDialog;
import androidx.core.content.ContextCompat;
import androidx.recyclerview.widget.RecyclerView;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import app.fedilab.fedilabtube.PeertubeActivity;
import app.fedilab.fedilabtube.R;
import app.fedilab.fedilabtube.asynctasks.PostActionAsyncTask;
import app.fedilab.fedilabtube.client.PeertubeAPI;
import app.fedilab.fedilabtube.client.entities.Account;
import app.fedilab.fedilabtube.client.entities.Error;
import app.fedilab.fedilabtube.client.entities.Status;
import app.fedilab.fedilabtube.client.entities.StatusDrawerParams;
import app.fedilab.fedilabtube.helper.Helper;
import app.fedilab.fedilabtube.interfaces.OnPostActionInterface;
import es.dmoral.toasty.Toasty;

import static android.content.Context.MODE_PRIVATE;



public class StatusListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements OnPostActionInterface {



    private Context context;
    private List<Status> statuses;

    private StatusListAdapter statusListAdapter;


    public StatusListAdapter(StatusDrawerParams statusDrawerParams) {
        statuses = statusDrawerParams.getStatuses();
        statusListAdapter = this;
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

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


    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        context = parent.getContext();
        LayoutInflater layoutInflater = LayoutInflater.from(this.context);
        return new ViewHolder(layoutInflater.inflate(R.layout.drawer_status_compact, parent, false));
    }

    @SuppressLint({"SetJavaScriptEnabled", "ClickableViewAccessibility"})
    @Override
    public void onBindViewHolder(@NonNull final RecyclerView.ViewHolder viewHolder, int i) {

        context = viewHolder.itemView.getContext();
        final SharedPreferences sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, MODE_PRIVATE);
        final String userId = sharedpreferences.getString(Helper.PREF_KEY_ID, null);


        final ViewHolder holder = (ViewHolder) viewHolder;

        final Status status = statuses.get(i);


        if (status == null)
            return;
        if (status.getVisibility() == null) {
            status.setVisibility("public");
        }

        if (status.getAccount().getId().equals(userId))
            holder.status_peertube_delete.setVisibility(View.VISIBLE);
        else
            holder.status_peertube_delete.setVisibility(View.GONE);
        holder.status_peertube_delete.setOnClickListener(v -> {
            AlertDialog.Builder builderInner;
            builderInner = new AlertDialog.Builder(context);
            builderInner.setTitle(R.string.delete_comment);
            builderInner.setMessage(R.string.delete_comment_confirm);
            builderInner.setNegativeButton(R.string.cancel, (dialog, which) -> dialog.dismiss());
            builderInner.setPositiveButton(R.string.yes, (dialog, which) -> {
                new PostActionAsyncTask(context, PeertubeAPI.StatusAction.PEERTUBEDELETECOMMENT, PeertubeActivity.video_id, null, status.getId(), StatusListAdapter.this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
                dialog.dismiss();
            });
            builderInner.show();
        });


        holder.status_content.setOnTouchListener((view, motionEvent) -> {
            if (motionEvent.getAction() == MotionEvent.ACTION_UP && !view.hasFocus()) {
                try {
                    view.requestFocus();
                } catch (Exception ignored) {
                }
            }
            return false;
        });

        //Click on a conversation

        holder.status_content.setText(status.getContentSpan(), TextView.BufferType.SPANNABLE);

        holder.status_content.setMovementMethod(LinkMovementMethod.getInstance());


        final Account accountForUrl;
        accountForUrl = status.getAccount();
        holder.status_account_displayname.setVisibility(View.GONE);
        holder.status_account_displayname_owner.setText(status.getAccount().getUsername().replace("@", ""), TextView.BufferType.SPANNABLE);


        Spannable wordtoSpan;
        Pattern hashAcct;
        wordtoSpan = new SpannableString("@" + status.getAccount().getAcct());
        hashAcct = Pattern.compile("(@" + status.getAccount().getAcct() + ")");
        Matcher matcherAcct = hashAcct.matcher(wordtoSpan);
        while (matcherAcct.find()) {
            int matchStart = matcherAcct.start(1);
            int matchEnd = matcherAcct.end();
            if (wordtoSpan.length() >= matchEnd && matchStart < matchEnd) {
                wordtoSpan.setSpan(new ForegroundColorSpan(ContextCompat.getColor(context, android.R.color.darker_gray)), matchStart, matchEnd, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
            }

        }
        holder.status_account_username.setText(wordtoSpan);


        holder.status_toot_date.setText(Helper.dateDiff(context, status.getCreated_at()));


        Helper.loadGiF(context, accountForUrl, holder.status_account_profile);
    }

    @Override
    public void onPostAction(int statusCode, PeertubeAPI.StatusAction statusAction, String targetedId, Error error) {

        if (error != null) {
            Toasty.error(context, error.getError(), Toast.LENGTH_LONG).show();
            return;
        }

        if (statusAction == PeertubeAPI.StatusAction.PEERTUBEDELETECOMMENT) {
            int position = 0;
            for (Status status : statuses) {
                if (status.getId().equals(targetedId)) {
                    statuses.remove(status);
                    statusListAdapter.notifyItemRemoved(position);
                    break;
                }
                position++;
            }
        }
    }


    static class ViewHolder extends RecyclerView.ViewHolder {

        TextView status_content;
        TextView status_account_username;
        TextView status_account_displayname, status_account_displayname_owner;
        ImageView status_account_profile;
        TextView status_toot_date;
        LinearLayout main_container;
        LinearLayout status_content_container;
        TextView status_peertube_delete;

        @SuppressLint("SetJavaScriptEnabled")
        ViewHolder(View itemView) {
            super(itemView);
            status_content = itemView.findViewById(R.id.status_content);
            status_account_username = itemView.findViewById(R.id.status_account_username);
            status_account_displayname = itemView.findViewById(R.id.status_account_displayname);
            status_account_displayname_owner = itemView.findViewById(R.id.status_account_displayname_owner);
            status_account_profile = itemView.findViewById(R.id.status_account_profile);
            status_toot_date = itemView.findViewById(R.id.status_toot_date);
            main_container = itemView.findViewById(R.id.main_container);
            status_content_container = itemView.findViewById(R.id.status_content_container);
            status_peertube_delete = itemView.findViewById(R.id.status_peertube_delete);

        }

        public View getView() {
            return itemView;
        }


    }

}