import os
from datetime import datetime, timezone
from uuid import uuid4

from app.services.db import db_connection
from app.services.email_service import send_email


def _now():
    return datetime.now(timezone.utc)


def create_ticket(name: str, email: str, subject: str, message: str) -> dict:
    ticket_id = str(uuid4())
    now = _now()
    with db_connection() as conn:
        with conn:
            with conn.cursor() as cur:
                cur.execute(
                    """
                    INSERT INTO support_ticket
                      (id, name, email, subject, message, status, created_at, updated_at)
                    VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
                    """,
                    (ticket_id, name, email, subject, message, "NEW", now, now),
                )
    email_sent = False
    try:
        email_body = (
            "Hi,\n\n"
            "Your support ticket has been created.\n\n"
            f"Ticket ID: {ticket_id}\n"
            f"Subject: {subject}\n"
            "Status: NEW\n\n"
            "We will get back to you shortly.\n\n"
            "Quantfortune Support"
        )
        email_sent = send_email(email, "Quantfortune Support Ticket Created", email_body)
    except Exception:
        email_sent = False
    return {
        "ticket_id": ticket_id,
        "status": "NEW",
        "created_at": now.isoformat(),
        "email_sent": email_sent,
    }


def get_ticket_status(ticket_id: str, email: str) -> dict | None:
    with db_connection() as conn:
        with conn.cursor() as cur:
            cur.execute(
                """
                SELECT id, email, status, created_at, updated_at
                FROM support_ticket
                WHERE id = %s
                """,
                (ticket_id,),
            )
            row = cur.fetchone()
    if not row:
        return None
    if row[1].lower() != email.lower():
        return None
    return {
        "ticket_id": row[0],
        "status": row[2],
        "created_at": row[3].isoformat() if row[3] else None,
        "updated_at": row[4].isoformat() if row[4] else None,
    }