/**
 * verifyTask prompt generator
 * Responsible for combining templates and parameters into the final prompt
 */

import {
  loadPrompt,
  generatePrompt,
  loadPromptFromTemplate,
} from "../loader.js";
import { Task } from "../../types/index.js";

/**
 * verifyTask prompt parameter interface
 */
export interface VerifyTaskPromptParams {
  task: Task;
}

/**
 * Extract summary content
 * @param content Original content
 * @param maxLength Maximum length
 * @returns Extracted summary
 */
function extractSummary(
  content: string | undefined,
  maxLength: number
): string {
  if (!content) return "";

  if (content.length <= maxLength) {
    return content;
  }

  // Simple summary extraction: Take the first maxLength characters and add ellipsis
  return content.substring(0, maxLength) + "...";
}

/**
 * Get the complete prompt for verifyTask
 * @param params prompt parameters
 * @returns the generated prompt
 */
export function getVerifyTaskPrompt(params: VerifyTaskPromptParams): string {
  const { task } = params;
  const indexTemplate = loadPromptFromTemplate("verifyTask/index.md");
  const prompt = generatePrompt(indexTemplate, {
    name: task.name,
    id: task.id,
    description: task.description,
    notes: task.notes || "no notes",
    verificationCriteria:
      task.verificationCriteria || "no verification criteria",
    implementationGuideSummary:
      extractSummary(task.implementationGuide, 200) ||
      "no implementation guide",
    analysisResult:
      extractSummary(task.analysisResult, 300) || "no analysis result",
  });

  // Load possible custom prompt
  return loadPrompt(prompt, "VERIFY_TASK");
}