import { Client, Account, Databases } from 'node-appwrite';
import { cookies } from 'next/headers';

const ENDPOINT = process.env.NEXT_PUBLIC_APPWRITE_ENDPOINT || 'http://localhost/v1';
const PROJECT_ID = process.env.NEXT_PUBLIC_APPWRITE_PROJECT_ID || '69bedced002971103d13';

export async function createSessionClient() {
  const cookieStore = await cookies();
  const sessionCookie = cookieStore.get('a_session_' + PROJECT_ID.toLowerCase());

  if (!sessionCookie || !sessionCookie.value) {
    return null;
  }

  const client = new Client()
    .setEndpoint(ENDPOINT)
    .setProject(PROJECT_ID);

  if (sessionCookie.value === "dev-bypass-session") {
    // Escalate to API Key privileges for local dev bypass
    client.setKey(process.env.APPWRITE_API_KEY || '');
  } else {
    client.setSession(sessionCookie.value);
  }

  return {
    get account() {
      return new Account(client);
    },
    get databases() {
      return new Databases(client);
    }
  };
}

export async function createAdminClient() {
  const client = new Client()
    .setEndpoint(ENDPOINT)
    .setProject(PROJECT_ID)
    .setKey(process.env.APPWRITE_API_KEY || '');

  return {
    get account() {
      return new Account(client);
    },
    get databases() {
      return new Databases(client);
    }
  };
}

export async function getLoggedInUser() {
  const cookieStore = await cookies();
  const sessionCookie = cookieStore.get('a_session_' + PROJECT_ID.toLowerCase());

  if (process.env.NODE_ENV !== "production" && sessionCookie?.value === "dev-bypass-session") {
    return { name: "Administrador (Modo Dev)", email: "admin@almeira.com.co" };
  }

  try {
    const sessionClient = await createSessionClient();
    if (!sessionClient) {
      console.log("No session client created (cookie missing)");
      return null;
    }
    
    return await sessionClient.account.get();
  } catch (error) {
    console.error("Error in getLoggedInUser API call:", error);
    // Session is invalid or expired
    return null;
  }
}