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// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.openqa.selenium.grid.config;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

import java.io.StringReader;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import org.junit.jupiter.api.Test;

class TomlConfigTest {

  @Test
  void shouldUseATableAsASection() {
    String raw = "[cheeses]\nselected=\"brie\"";
    Config config = new TomlConfig(new StringReader(raw));
    assertThat(config.get("cheeses", "selected")).isEqualTo(Optional.of("brie"));
  }

  @Test
  void shouldCheckForErrorsAndThrow() {
    String raw = "[cheeses]\nselected=brie";
    assertThatThrownBy(() -> new TomlConfig(new StringReader(raw)))
        .isInstanceOf(ConfigException.class);
  }

  @Test
  void shouldContainConfigFromArrayOfTables() {
    String[] rawConfig =
        new String[] {
          "[cheeses]",
          "default = \"manchego\"",
          "[[cheeses.type]]",
          "name = \"soft cheese\"",
          "default = \"brie\"",
          "[[cheeses.type]]",
          "name = \"Medium-hard cheese\"",
          "default = \"Emmental\""
        };
    Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));

    assertThat(config.get("cheeses", "default")).isEqualTo(Optional.of("manchego"));

    List<String> expected =
        Arrays.asList(
            "default=\"brie\"",
            "name=\"soft cheese\"",
            Config.DELIMITER,
            "default=\"Emmental\"",
            "name=\"Medium-hard cheese\"",
            Config.DELIMITER);
    assertThat(config.getAll("cheeses", "type").orElse(Collections.emptyList()))
        .isEqualTo(expected);
    assertThat(config.getAll("cheeses", "type").orElse(Collections.emptyList()).subList(0, 2))
        .isEqualTo(expected.subList(0, 2));
  }

  @Test
  void ensureCanReadListOfStrings() {
    String[] rawConfig =
        new String[] {"[relay]", "configs = [\"2\", '{\"browserName\": \"chrome\"}']"};
    Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
    List<String> expected = Arrays.asList("2", "{\"browserName\": \"chrome\"}");
    Optional<List<String>> content = config.getAll("relay", "configs");
    assertThat(content).isEqualTo(Optional.of(expected));
  }

  @Test
  void ensureCanReadListOfMaps() {
    String[] rawConfig =
        new String[] {
          "[node]",
          "detect-drivers = false",
          "[[node.driver-configuration]]",
          "display-name = \"htmlunit\"",
          "[node.driver-configuration.stereotype]",
          "browserName = \"htmlunit\"",
          "browserVersion = \"chrome\""
        };
    Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
    List<String> expected =
        Arrays.asList(
            "display-name=\"htmlunit\"",
            "stereotype={\"browserVersion\": \"chrome\",\"browserName\": \"htmlunit\"}",
            Config.DELIMITER);
    Optional<List<String>> content = config.getAll("node", "driver-configuration");
    assertThat(content).isEqualTo(Optional.of(expected));
  }

  @Test
  void ensureCanReadListOfLists() {
    String[] rawConfig =
        new String[] {
          "[cheeses]",
          "default = \"manchego\"",
          "[[cheeses.type]]",
          "name = \"soft cheese\"",
          "default = \"brie\"",
          "[[cheeses.type]]",
          "name = \"Medium-hard cheese\"",
          "default = \"Emmental\""
        };
    Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));

    List<List<String>> expected =
        Arrays.asList(
            Arrays.asList("default=\"brie\"", "name=\"soft cheese\""),
            Arrays.asList("default=\"Emmental\"", "name=\"Medium-hard cheese\""));
    assertThat(config.getArray("cheeses", "type").orElse(Collections.emptyList()))
        .isEqualTo(expected);
    assertThat(config.getArray("cheeses", "type").orElse(Collections.emptyList()).subList(0, 1))
        .isEqualTo(expected.subList(0, 1));
  }
}
