#!/usr/bin/env python3
import os, json, hmac, hashlib, httpx

WEBHOOK_URL = os.environ.get("WEBHOOK_URL", "https://githubpr.bjsystems.co.uk/webhook/github")
SECRET = os.environ.get("WEBHOOK_SECRET", "devsecret")

def sign(secret: str, body: bytes) -> str:
    return "sha256=" + hmac.new(secret.encode("utf-8"), body, hashlib.sha256).hexdigest()

def payload(action="opened"):
    return {
        "action": action,
        "repository": {
            "full_name": "Koozali-SME-Server/smeserver-manager",
            "owner": {"login": "Koozali-SME-Server"},
            "name": "smeserver-manager",
        },
        "pull_request": {
            "number": 52,
            "html_url": "https://github.com/Koozali-SME-Server/smeserver-manager/pull/42",
            "title": "Test PR from harness",
            "body": "Harness test body.",
            "user": {"login": "octocat", "html_url": "https://github.com/octocat"},
            "base": {"ref": "master", "sha": "9f8e7d6cafebabe0000deadbeef0000000000000"},
            "head": {"ref": "feature/test", "sha": "a1b2c3ddeeddbb0000deadbeef0000000000000", "repo": {"owner": {"login": "octocat"}}},
            "created_at": "2025-09-17T12:34:56Z",
            "labels": [{"name": "enhancement"}],
        },
    }

def post_event(action="opened"):
    body = json.dumps(payload(action)).encode("utf-8")
    headers = {
        "X-GitHub-Event": "pull_request",
        "X-Hub-Signature-256": sign(SECRET, body),
        "Content-Type": "application/json",
    }
    r = httpx.post(WEBHOOK_URL, data=body, headers=headers, timeout=30)
    print(f"{action} ->", r.status_code, r.text)

if __name__ == "__main__":
    # Send an "opened" event then a "synchronize" event
    post_event("opened")
    post_event("synchronize")