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/*
 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package de.pixart.messenger.ui.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.widget.ArrayAdapter;
import android.widget.Filter;

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

import de.pixart.messenger.entities.PresenceTemplate;


public class PresenceTemplateAdapter extends ArrayAdapter<PresenceTemplate> {

    private final List<PresenceTemplate> templates;

    private final Filter filter = new Filter() {

        @Override
        protected FilterResults performFiltering(CharSequence constraint) {
            FilterResults results = new FilterResults();
            if (constraint == null || constraint.length() == 0) {
                results.values = new ArrayList<>(templates);
                results.count = templates.size();
            } else {
                ArrayList<PresenceTemplate> suggestions = new ArrayList<>();
                final String needle = constraint.toString().trim().toLowerCase(Locale.getDefault());
                for (PresenceTemplate template : templates) {
                    final String lc = template.getStatusMessage().toLowerCase(Locale.getDefault());
                    if (needle.isEmpty() || lc.contains(needle)) {
                        suggestions.add(template);
                    }
                }
                results.values = suggestions;
                results.count = suggestions.size();
            }
            return results;
        }

        @Override
        protected void publishResults(CharSequence constraint, FilterResults results) {
            ArrayList filteredList = (ArrayList) results.values;
            clear();
            for (Object c : filteredList) {
                add((PresenceTemplate) c);
            }
            notifyDataSetChanged();
        }
    };

    public PresenceTemplateAdapter(@NonNull Context context, int resource, @NonNull List<PresenceTemplate> templates) {
        super(context, resource, new ArrayList<>());
        this.templates = new ArrayList<>(templates);
    }

    @Override
    @NonNull
    public Filter getFilter() {
        return this.filter;
    }
}