#!/usr/bin/env python3
"""Fake OpenAI-compatible endpoint to exercise the LLM proxy path without a real key.
Round 1 asks for a search tool; round 2 returns show_cards with ids from the tool results."""
import json, re, sys
from http.server import ThreadingHTTPServer, BaseHTTPRequestHandler
PORT = int(sys.argv[1]) if len(sys.argv) > 1 else 8798
SEEN = {"auth_ok": 0}

class H(BaseHTTPRequestHandler):
    def log_message(self, *a): pass
    def do_GET(self):
        b = json.dumps(SEEN).encode(); self.send_response(200); self.end_headers(); self.wfile.write(b)
    def do_POST(self):
        body = json.loads(self.rfile.read(int(self.headers["Content-Length"])))
        if body.get("model") in ("busy-model", "busy-model-2"):
            b = b'{"error":{"message":"rate-limited upstream","code":429}}'
            self.send_response(429); self.send_header("Content-Type", "application/json"); self.end_headers(); self.wfile.write(b)
            return
        if self.headers.get("Authorization") == "Bearer test-dummy-key":
            SEEN["auth_ok"] += 1
        if body.get("model") == "daily-model":
            b = json.dumps({"error": {"message": "Rate limit exceeded: free-models-per-day.", "code": 429,
                            "metadata": {"headers": {"X-RateLimit-Limit": "50", "X-RateLimit-Remaining": "0", "X-RateLimit-Reset": "4102444800000"}}}}).encode()
            self.send_response(429); self.send_header("Content-Type", "application/json"); self.end_headers(); self.wfile.write(b)
            return
        last = body["messages"][-1]["content"]
        if "new internet" in last.lower():
            # answers like a model that read the prompt: it only knows "top left" = copy.logo if the prompt says so
            sysmsg = body["messages"][0]["content"]
            knows = "TOP-LEFT" in sysmsg and '"logo": "Agent Market"' in sysmsg
            out = ({"reply": "Renamed the top-left logo to New Internet.", "actions": [{"type": "set_theme", "payload": {"copy": {"logo": "New Internet"}}}]}
                   if knows else {"reply": "I can't change that text.", "actions": []})
            b = json.dumps({"choices": [{"message": {"role": "assistant", "content": json.dumps(out)}}]}).encode()
            self.send_response(200); self.send_header("Content-Type", "application/json"); self.end_headers(); self.wfile.write(b)
            return
        if "background" in last:
            out = {"reply": "Done! Sunset gradient applied (lst_deadbeef).", "actions": [{"type": "set_theme", "payload": {
                "background": {"kind": "gradient", "colors": ["#ff7e5f", "#feb47b", "javascript:alert(1)"], "angle": 180},
                "palette": {"accent": "orange"}, "customCss": "@import url(https://evil.example/x.css); .card{border-width:3px;position:fixed}",
                "copy": {"headline": "<img src=x onerror=alert(1)>Sunset"}}}]}
            b = json.dumps({"choices": [{"message": {"role": "assistant", "content": json.dumps(out)}}]}).encode()
            self.send_response(200); self.send_header("Content-Type", "application/json"); self.end_headers(); self.wfile.write(b)
            return
        if last.startswith("TOOL_RESULTS"):
            ids = re.findall(r'"id": "(lst_[a-f0-9]+)"', last)[:3]
            out = {"reply": "Here are bikes I found (mock LLM). Payments are TEST MODE ONLY.",
                   "actions": [{"type": "show_cards", "payload": {"heading": "Bikes", "listing_ids": ids}},
                               {"type": "not_allowed_component", "payload": {}}]}
        else:
            out = {"reply": "searching", "tools": [{"name": "search", "args": {"q": "bike"}}]}
        b = json.dumps({"choices": [{"message": {"role": "assistant", "content": json.dumps(out)}}]}).encode()
        self.send_response(200); self.send_header("Content-Type", "application/json"); self.end_headers(); self.wfile.write(b)

ThreadingHTTPServer(("127.0.0.1", PORT), H).serve_forever()