import { mkdir } from "fs/promises";
import { join } from "path";
import type { GitforestConfig } from "../types/index.ts";
import { saveConfig, getDefaultConfigPath } from "./loader.ts";

export interface CreateOnboardingConfigOptions {
  directories: Array<{ path: string; maxDepth: number; label?: string }>;
  githubAuth?: {
    authenticated: boolean;
    user?: string;
  };
}

/**
 * Create a config file from onboarding wizard state
 */
export async function createOnboardingConfig(
  options: CreateOnboardingConfigOptions
): Promise<GitforestConfig> {
  const { directories } = options;

  // Validate at least one directory
  if (directories.length === 0) {
    throw new Error("At least one directory is required");
  }

  // Create config object with defaults
  const config: GitforestConfig = {
    directories: directories.map((dir) => ({
      path: dir.path,
      maxDepth: dir.maxDepth,
      label: dir.label,
    })),
    scan: {
      ignore: ["node_modules", ".git", "vendor", "__pycache__", "target", "dist", "build"],
      includeHidden: false,
      concurrency: 5,
    },
    github: {
      defaultVisibility: "private",
    },
    display: {
      showSubmodules: true,
      showNonGitProjects: true,
      sortBy: "status",
      sortDirection: "desc",
    },
    cache: {
      ttlSeconds: 300,
      githubTtlSeconds: 600,
      enableBackgroundRefresh: true,
      backgroundRefreshIntervalSeconds: 300,
    },
    commands: [],
  };

  // Ensure config directory exists
  const configPath = getDefaultConfigPath();
  const configDir = join(configPath, "..");
  await mkdir(configDir, { recursive: true });

  // Save config
  await saveConfig(config, configPath);

  return config;
}