#!/usr/bin/env python3
"""
RADIO-TX Server — HuggingFace Spaces port 7860
"""
import http.server, socketserver, os

PORT = 7860
DIR  = os.path.dirname(os.path.abspath(__file__))

class Handler(http.server.SimpleHTTPRequestHandler):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, directory=DIR, **kwargs)

    def end_headers(self):
        self.send_header("Cross-Origin-Opener-Policy",  "same-origin")
        self.send_header("Cross-Origin-Embedder-Policy","require-corp")
        self.send_header("Cache-Control",               "no-cache")
        super().end_headers()

    def do_GET(self):
        if self.path in ("/", ""):
            self.send_response(302)
            self.send_header("Location", "/encoder.html")
            self.end_headers()
            return
        super().do_GET()

    def log_message(self, fmt, *args):
        print(f"[{self.address_string()}] {fmt % args}")

if __name__ == "__main__":
    with socketserver.TCPServer(("", PORT), Handler) as s:
        s.allow_reuse_address = True
        print(f"RADIO-TX  http://0.0.0.0:{PORT}")
        s.serve_forever()