import fs from "node:fs/promises";
import path from "node:path";
import { ensureMediaState, resolveScratchpadFolder, scratchpadFolderRemediation, type McpResultPreset } from "./core-bundle.mjs";
import { logger } from "./mcpLogger.js";

/**
 * scratchpadFolder is optional only for the generic MCP_MADE_FOR_BIONIC=false path
 * (falls back to chatWorkingDirectories itself when omitted). The Bionic tool-chaining path
 * (previewInChat=false) requires an explicit scratchpadFolder — pass requireFolder=true there —
 * since its HTML report / preview files are meant to live in a per-session folder, not directly
 * in the shared chatWorkingDirectories root.
 */
export async function resolveEffectiveScratchpadPath(chatWorkingDirectories: string, requestedFolder: unknown, requireFolder = false, preset?: McpResultPreset): Promise<string> {
  const requested = typeof requestedFolder === "string" ? requestedFolder.trim() : "";
  if (requested) {
    return resolveScratchpadFolder(chatWorkingDirectories, requested, logger);
  }
  if (requireFolder) {
    throw new Error(`scratchpadFolder is required. ${scratchpadFolderRemediation(preset)}`);
  }
  const basePath = path.resolve(chatWorkingDirectories);
  let stats;
  try {
    stats = await fs.stat(basePath);
  } catch (error) {
    throw new Error(`CHAT_WORKING_DIRECTORIES is not accessible: ${basePath} (${error instanceof Error ? error.message : String(error)})`);
  }
  if (!stats.isDirectory()) {
    throw new Error(`CHAT_WORKING_DIRECTORIES is not a directory: ${basePath}`);
  }
  await ensureMediaState(basePath);
  return basePath;
}

import fs from "node:fs/promises";
import path from "node:path";
import { ensureMediaState, resolveScratchpadFolder, scratchpadFolderRemediation, type McpResultPreset } from "./core-bundle.mjs";
import { logger } from "./mcpLogger.js";

/**
 * scratchpadFolder is optional only for the generic MCP_MADE_FOR_BIONIC=false path
 * (falls back to chatWorkingDirectories itself when omitted). The Bionic tool-chaining path
 * (previewInChat=false) requires an explicit scratchpadFolder — pass requireFolder=true there —
 * since its HTML report / preview files are meant to live in a per-session folder, not directly
 * in the shared chatWorkingDirectories root.
 */
export async function resolveEffectiveScratchpadPath(chatWorkingDirectories: string, requestedFolder: unknown, requireFolder = false, preset?: McpResultPreset): Promise<string> {
  const requested = typeof requestedFolder === "string" ? requestedFolder.trim() : "";
  if (requested) {
    return resolveScratchpadFolder(chatWorkingDirectories, requested, logger);
  }
  if (requireFolder) {
    throw new Error(`scratchpadFolder is required. ${scratchpadFolderRemediation(preset)}`);
  }
  const basePath = path.resolve(chatWorkingDirectories);
  let stats;
  try {
    stats = await fs.stat(basePath);
  } catch (error) {
    throw new Error(`CHAT_WORKING_DIRECTORIES is not accessible: ${basePath} (${error instanceof Error ? error.message : String(error)})`);
  }
  if (!stats.isDirectory()) {
    throw new Error(`CHAT_WORKING_DIRECTORIES is not a directory: ${basePath}`);
  }
  await ensureMediaState(basePath);
  return basePath;
}