/**
 * Helper to reset the database before each test.
 * Calls the /api/test/reset endpoint on the worker's backend.
 */

import { APIRequestContext } from "@playwright/test";
import { getBackendUrl } from "./backend-url";

/**
 * Reset the database for the current worker.
 * Truncates all tables and re-seeds base data.
 * Retries up to 3 times with exponential backoff to handle transient failures.
 */
export async function resetDatabase(request: APIRequestContext): Promise<void> {
  const backendUrl = getBackendUrl();
  const maxRetries = 3;
  let lastError: Error | null = null;

  for (let attempt = 0; attempt < maxRetries; attempt++) {
    try {
      const response = await request.post(`${backendUrl}/api/test/reset`);

      if (response.ok()) {
        // Verify the response body indicates success
        const body = await response.json();
        if (body.status === "reset") {
          return; // Success
        }
        throw new Error(`Unexpected reset response: ${JSON.stringify(body)}`);
      }

      const text = await response.text();
      throw new Error(`Failed to reset database: ${response.status()} - ${text}`);
    } catch (error) {
      lastError = error instanceof Error ? error : new Error(String(error));

      // Don't retry on the last attempt
      if (attempt < maxRetries - 1) {
        // Exponential backoff: 100ms, 200ms, 400ms
        const delay = 100 * Math.pow(2, attempt);
        await new Promise((resolve) => setTimeout(resolve, delay));
        continue;
      }
    }
  }

  // If we get here, all retries failed
  throw new Error(`Failed to reset database after ${maxRetries} attempts: ${lastError?.message}`);
}