// main.wren (Corrected)
import "requests" for Requests

// This class provides a hook back into the C host
foreign class Host {
  foreign static signalDone()
}

var mainFiber = Fiber.new {
  System.print("--- Running 20 CONCURRENT GET requests ---")

  var completed = 0

  for (i in 1..1000) {
    Requests.get("https://jsonplaceholder.typicode.com/posts/%(i)", null) { |err, res|
      if (err) {
        System.print("Request #%(i) [GET] Error: %(err)")
      } else {
        System.print("Request #%(i) [GET] Status: %(res.statusCode)")
        System.print("Request #%(i) [GET] Status: %(res.body)")
      }
      // CORRECTED: Create a new fiber for each atomic operation
      Fiber.new { completed = completed + 1 }.call()
    }
  }

  // Wait for GET requests to finish
  while (completed < 1000) {
    Fiber.yield()
  }

  System.print("\n--- Running 20 CONCURRENT POST requests ---")

  var postBody = """
  { "title": "wren-test" }
  """
  var headers = { "Content-Type": "application/json; charset=UTF-8" }
  var postCompleted = 0
  for (i in 1..1000) {
    Requests.post("https://jsonplaceholder.typicode.com/posts", postBody, headers) { |err, res|
      if (err) {
        System.print("Request #%(i) [POST] Error: %(err)")
      } else {
        System.print("Request #%(i) [POST] Response Code: %(res.statusCode)")
      }
      // CORRECTED: Create a new fiber for each atomic operation
      Fiber.new { postCompleted = postCompleted + 1 }.call()
    }
  }

  // Wait for POST requests to finish
  while (postCompleted < 1000) {
    Fiber.yield()
  }

  System.print("\n--- All concurrent requests finished. ---")
  
  // Tell the C host that we are done.
  Host.signalDone()
}