/**
 * Proof of Concept: Harness Consolidation (Gen 3)
 *
 * This PoC demonstrates isolating the Agent Forum architecture from the main
 * repository, maintaining clean root boundaries. Everything must live under
 * the hidden `.forum/` directory so that indexers, linters, and compilers
 * ignore the state management tools.
 */

import { existsSync } from "https://deno.land/std@0.210.0/fs/mod.ts";
import { join } from "https://deno.land/std@0.210.0/path/mod.ts";

export async function runHarnessConsolidationPoC(): Promise<void> {
  console.log("Starting Harness Consolidation PoC...");

  const rootPath = Deno.cwd();
  const forumPath = join(rootPath, ".forum");

  console.log(`Checking if framework is encapsulated in: ${forumPath}`);

  if (!existsSync(forumPath)) {
    throw new Error("Failure: '.forum' directory does not exist in root.");
  }

  // Ensure no agent-forum specific root files like "agent-forum.md" or "CONCEPTS.md"
  // are lying in the root directory. They should be inside `.forum/`.
  const bannedRootFiles = [
    "agent-forum.md",
    "CONCEPTS.md",
    "ASSESSMENT.md",
  ];

  for (const file of bannedRootFiles) {
    const filePath = join(rootPath, file);
    if (existsSync(filePath)) {
      throw new Error(
        `Failure: ${file} found in root. It MUST be moved into .forum/ to respect Harness Consolidation.`,
      );
    }
  }

  console.log("[OK] No banned protocol files found in the repository root.");

  // Ensure the environment setup respects this isolation.
  const requiredForumFiles = [
    join(forumPath, "agent-forum.md"),
    join(forumPath, "CONCEPTS.md"),
    join(forumPath, "poc-g3", "BOUNDARIES.md"),
  ];

  for (const file of requiredForumFiles) {
    if (!existsSync(file)) {
      throw new Error(
        `Failure: Expected ${file} to be safely inside the .forum structure, but it is missing.`,
      );
    }
  }

  console.log(
    "[OK] Required protocol files successfully located within .forum/ namespace.",
  );

  console.log(
    "\\n[SUCCESS] Harness Consolidation verified. Framework files are correctly encapsulated and hidden from root indexers.",
  );
}

// If run directly
if (import.meta.main) {
  await runHarnessConsolidationPoC();
}