"""Exercise the external adapter against a real local HTTP/SOAP fixture."""
import base64
import importlib.util
import json
from http.server import BaseHTTPRequestHandler, HTTPServer
from pathlib import Path
import tempfile
import threading
import xml.etree.ElementTree as ET

root = Path(__file__).resolve().parents[2]
spec = importlib.util.spec_from_file_location('testbot_client', root / 'tools/testbots/client.py')
client = importlib.util.module_from_spec(spec)
spec.loader.exec_module(client)
requests = []


class Handler(BaseHTTPRequestHandler):
    def log_message(self, *args):
        pass

    def do_POST(self):
        assert self.headers['Authorization'] == 'Basic ' + base64.b64encode(b'operator:secret').decode()
        tree = ET.fromstring(self.rfile.read(int(self.headers['Content-Length'])))
        command = next(n.text for n in tree.iter() if n.tag == 'command')
        requests.append(command)
        if 'submit' in command:
            assert base64.b64decode(command.split()[-1]) == b'testbot.check(true, "hello <&>")\n'
            text = 'Testbot run adapter_case: queued'
        else:
            text = json.dumps({'run_id': 'adapter_case', 'state': 'passed', 'checks': 1})
        result = ET.Element('{http://schemas.xmlsoap.org/soap/envelope/}Envelope')
        body = ET.SubElement(result, '{http://schemas.xmlsoap.org/soap/envelope/}Body')
        ET.SubElement(body, 'result').text = text
        data = ET.tostring(result)
        self.send_response(200)
        self.end_headers()
        self.wfile.write(data)


server = HTTPServer(('127.0.0.1', 0), Handler)
thread = threading.Thread(target=server.serve_forever, daemon=True)
thread.start()
try:
    with tempfile.TemporaryDirectory() as directory:
        script = Path(directory) / 'case.lua'
        script.write_text('testbot.check(true, "hello <&>")\n')
        result = client.run(f'http://127.0.0.1:{server.server_port}/', 'operator', 'secret', 'adapter_case', script)
        assert result['state'] == 'passed'
        assert requests[-1] == 'clientless test result adapter_case'
        try:
            client.run('', '', '', '../bad', script)
        except ValueError:
            pass
        else:
            raise AssertionError('invalid run id accepted')
finally:
    server.shutdown()
    server.server_close()
print('External TestBot SOAP submission, base64 script integrity, result retrieval and run-ID validation passed.')