/*
 * This file is part of PlaceholderAPI
 *
 * PlaceholderAPI
 * Copyright (c) 2015 - 2021 PlaceholderAPI Team
 *
 * PlaceholderAPI free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlaceholderAPI is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package me.clip.placeholderapi.replacer;

import static me.clip.placeholderapi.Values.MockPlayerPlaceholderExpansion.PLAYER_NAME;
import static me.clip.placeholderapi.Values.MockPlayerPlaceholderExpansion.PLAYER_X;
import static me.clip.placeholderapi.Values.MockPlayerPlaceholderExpansion.PLAYER_Y;
import static me.clip.placeholderapi.Values.MockPlayerPlaceholderExpansion.PLAYER_Z;
import static org.junit.jupiter.api.Assertions.assertEquals;

import me.clip.placeholderapi.Values;
import org.junit.jupiter.api.Test;

public final class ReplacerUnitTester {

  @Test
  void testCharsReplacerProducesExpectedSingleValue() {
    assertEquals(PLAYER_NAME,
        Values.CHARS_REPLACER.apply("%player_name%", null, Values.PLACEHOLDERS::get));
  }

  @Test
  void testRegexReplacerProducesExpectedSingleValue() {
    assertEquals(PLAYER_NAME,
        Values.REGEX_REPLACER.apply("%player_name%", null, Values.PLACEHOLDERS::get));
  }

  @Test
  void testCharsReplacerProducesExpectedSentence() {
    assertEquals(String.format(
        "My name is %s and my location is (%s, %s, %s), this placeholder is invalid %%server_name%%",
        PLAYER_NAME, PLAYER_X, PLAYER_Y, PLAYER_Z),
        Values.CHARS_REPLACER.apply(Values.LARGE_TEXT, null, Values.PLACEHOLDERS::get));
  }

  @Test
  void testRegexReplacerProducesExpectedSentence() {
    assertEquals(String.format(
        "My name is %s and my location is (%s, %s, %s), this placeholder is invalid %%server_name%%",
        PLAYER_NAME, PLAYER_X, PLAYER_Y, PLAYER_Z),
        Values.REGEX_REPLACER.apply(Values.LARGE_TEXT, null, Values.PLACEHOLDERS::get));
  }

  @Test
  void testResultsAreTheSameAsReplacement() {
    final String resultChars = Values.CHARS_REPLACER
        .apply("%player_name%", null, Values.PLACEHOLDERS::get);
    final String resultRegex = Values.REGEX_REPLACER
        .apply("%player_name%", null, Values.PLACEHOLDERS::get);

    assertEquals(resultChars, resultRegex);

    assertEquals(PLAYER_NAME, resultChars);
  }

  @Test
  void testResultsAreTheSameNoReplacement() {
    final String resultChars = Values.CHARS_REPLACER
        .apply("%player_location%", null, Values.PLACEHOLDERS::get);
    final String resultRegex = Values.REGEX_REPLACER
        .apply("%player_location%", null, Values.PLACEHOLDERS::get);

    assertEquals(resultChars, resultRegex);
  }

  @Test
  void testCharsReplacerIgnoresMalformed() {
    final String text = "10% and %hello world 15%";

    assertEquals(text, Values.CHARS_REPLACER.apply(text, null, Values.PLACEHOLDERS::get));
  }

  @Test
  void testCharsReplacerHandlesEscapedHex() {
    final String text = "\\&xffffffThis should not change.";

    assertEquals(text.substring(1),
        Values.CHARS_REPLACER.apply(text, null, Values.PLACEHOLDERS::get));
  }

}