"""FlowDeck — Webhook outbound dispatcher (v2.1.0)."""
from __future__ import annotations

import json
import logging

import httpx

from app.db import get_conn

logger = logging.getLogger(__name__)

EVENTS = [
    "page.created", "page.updated", "page.deleted",
    "collection.created", "collection.updated", "collection.deleted",
    "comment.added", "page.moved",
]


async def fire_event(event: str, payload: dict):
    """Fire a webhook event to all registered subscribers."""
    if event not in EVENTS:
        return
    with get_conn() as conn:
        subs = conn.execute("SELECT url, secret FROM webhook_subscriptions WHERE event=?", (event,)).fetchall()
    async with httpx.AsyncClient(timeout=10) as client:
        for sub in subs:
            url, secret = sub["url"], sub["secret"]
            headers = {"Content-Type": "application/json", "X-FlowDeck-Event": event}
            if secret:
                headers["X-FlowDeck-Secret"] = secret
            try:
                await client.post(url, json=payload, headers=headers)
            except Exception:
                logger.debug("Webhook delivery failed to %s", url)


def init_webhook_tables():
    """Create the webhook_subscriptions table if it doesn't exist."""
    with get_conn() as conn:
        conn.execute("""
            CREATE TABLE IF NOT EXISTS webhook_subscriptions (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                url TEXT NOT NULL,
                event TEXT NOT NULL,
                secret TEXT DEFAULT '',
                active BOOLEAN NOT NULL DEFAULT 1,
                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
            )
        """)
        conn.commit()