import fs from "fs";
import path from "path";

const CONFIG_FILE = path.resolve(process.cwd(), "rclone-config.json");

export const RCLONE_USER = "MyDentalApp";
export const RCLONE_PASS = "SuperSecret!@2026";

export interface RcloneConfig {
  // Source role: serve backups folder via WebDAV
  serverEnabled: boolean;
  serverPort: number;

  // Receiver role: pull backups from source PC
  receiverEnabled: boolean;
  receiverSyncHour: number;
  sourceIp: string;
  sourcePort: number;
  lastSyncAt: string | null;
  lastSyncStatus: string | null;
  lastSyncError: string | null;
}

const DEFAULT_CONFIG: RcloneConfig = {
  serverEnabled: false,
  serverPort: 8080,
  receiverEnabled: false,
  receiverSyncHour: 21,
  sourceIp: "",
  sourcePort: 8080,
  lastSyncAt: null,
  lastSyncStatus: null,
  lastSyncError: null,
};

export function readRcloneConfig(): RcloneConfig {
  if (fs.existsSync(CONFIG_FILE)) {
    try {
      return { ...DEFAULT_CONFIG, ...JSON.parse(fs.readFileSync(CONFIG_FILE, "utf8")) };
    } catch {}
  }
  return { ...DEFAULT_CONFIG };
}

export function writeRcloneConfig(patch: Partial<RcloneConfig>): RcloneConfig {
  const current = readRcloneConfig();
  const updated = { ...current, ...patch };
  fs.writeFileSync(CONFIG_FILE, JSON.stringify(updated, null, 2), "utf8");
  return updated;
}