#!/usr/bin/env python3
import os
import sys
import threading
import time

import RNS

# Determine base directory for tests
dir_path = os.path.abspath(os.path.dirname(__file__))
config_dir = os.path.join(dir_path, "config")
identity_dir = os.path.join(dir_path, "node-config")

# Initialize Reticulum with shared config
RNS.Reticulum(config_dir)

# Load server identity (created by the page node)
identity_file = os.path.join(identity_dir, "identity")
server_identity = RNS.Identity.from_file(identity_file)

# Create a destination to the server node
destination = RNS.Destination(
    server_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "nomadnetwork", "node",
)

# Ensure we know a path to the destination
if not RNS.Transport.has_path(destination.hash):
    RNS.Transport.request_path(destination.hash)
    while not RNS.Transport.has_path(destination.hash):
        time.sleep(0.1)

# Establish a link to the server
global_link = RNS.Link(destination)

# Containers for responses
responses = {}
done_event = threading.Event()


# Callback for page response
def on_page(response):
    data = response.response
    if isinstance(data, bytes):
        text = data.decode("utf-8")
    else:
        text = str(data)
    print("Received page:")
    print(text)
    responses["page"] = text
    if "file" in responses:
        done_event.set()


# Callback for file response
def on_file(response):
    data = response.response
    # Handle response as [fileobj, headers]
    if isinstance(data, list) and len(data) == 2 and hasattr(data[0], "read"):
        fileobj, headers = data
        file_data = fileobj.read()
        filename = headers.get(b"name", b"").decode("utf-8")
        print(f"Received file ({filename}):")
        print(file_data.decode("utf-8"))
        responses["file"] = file_data.decode("utf-8")
    # Handle response as a raw file object
    elif hasattr(data, "read"):
        file_data = data.read()
        filename = os.path.basename("text.txt")
        print(f"Received file ({filename}):")
        print(file_data.decode("utf-8"))
        responses["file"] = file_data.decode("utf-8")
    # Handle response as raw bytes
    elif isinstance(data, bytes):
        text = data.decode("utf-8")
        print("Received file:")
        print(text)
        responses["file"] = text
    else:
        print("Received file (unhandled format):", data)
        responses["file"] = str(data)
    if "page" in responses:
        done_event.set()


# Request the page and file once the link is established
def on_link_established(link):
    link.request("/page/index.mu", None, response_callback=on_page)
    link.request("/file/text.txt", None, response_callback=on_file)


# Register callbacks
global_link.set_link_established_callback(on_link_established)
global_link.set_link_closed_callback(lambda link: done_event.set())

# Wait for responses or timeout
if not done_event.wait(timeout=30):
    print("Test timed out.", file=sys.stderr)
    sys.exit(1)

if responses.get("page") and responses.get("file"):
    print("Tests passed!")
    sys.exit(0)
else:
    print("Tests failed.", file=sys.stderr)
    sys.exit(1)