/*
 * SonarQube MCP Server
 * Copyright (C) SonarSource
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Sonar Source-Available License Version 1, as published by SonarSource Sàrl.
 *
 * This program 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 Sonar Source-Available License for more details.
 *
 * You should have received a copy of the Sonar Source-Available License
 * along with this program; if not, see https://sonarsource.com/license/ssal/
 */
package org.sonarsource.sonarqube.mcp.tools.issues;

import org.sonarsource.sonarqube.mcp.serverapi.ServerApiProvider;
import org.sonarsource.sonarqube.mcp.serverapi.issues.Transition;
import org.sonarsource.sonarqube.mcp.tools.SchemaToolBuilder;
import org.sonarsource.sonarqube.mcp.tools.Tool;
import org.sonarsource.sonarqube.mcp.tools.ToolCategory;

public class ChangeIssueStatusTool extends Tool {

  public static final String TOOL_NAME = "change_sonar_issue_status";
  public static final String KEY_PROPERTY = "key";
  public static final String STATUS_PROPERTY = "status";
  
  private static final String[] VALID_STATUSES = {"accept", "falsepositive", "reopen"};

  private final ServerApiProvider serverApiProvider;

  public ChangeIssueStatusTool(ServerApiProvider serverApiProvider) {
    super(SchemaToolBuilder.forOutput(ChangeIssueStatusToolResponse.class)
      .setName(TOOL_NAME)
      .setTitle("Change SonarQube Issue Status")
      .setDescription("""
        Change the status of an issue. This tool can be used to change the status of an issue to "accept", "falsepositive" or to "reopen" an issue.
        An example request could be: I would like to accept the issue having the key "AX-HMISMFixnZED\"""")
      .addRequiredStringProperty(KEY_PROPERTY, "The key of the issue which status should be changed")
      .addRequiredEnumProperty(STATUS_PROPERTY, VALID_STATUSES, "The new status of the issue")
      .build(),
      ToolCategory.ISSUES);
    this.serverApiProvider = serverApiProvider;
  }

  @Override
  public Tool.Result execute(Tool.Arguments arguments) {
    var key = arguments.getStringOrThrow(KEY_PROPERTY);
    var statusString = arguments.getEnumOrThrow(STATUS_PROPERTY, VALID_STATUSES);
    var status = Transition.fromStatus(statusString);
    if (status.isEmpty()) {
      return Tool.Result.failure("Status is unknown: " + statusString);
    }

    serverApiProvider.get().issuesApi().doTransition(key, status.get());
    var message = "The issue status was successfully changed.";
    var response = new ChangeIssueStatusToolResponse(true, message, key, statusString);
    return Tool.Result.success(response);
  }

}