from database import execute
from database import fetch_all, fetch_one


def get_user_events(user_id):

    query = """
    SELECT events.*
    FROM events
    JOIN room_members
        ON events.room_id = room_members.room_id
    WHERE room_members.user_id = ?
    """

    return fetch_all(
        query,
        (user_id,)
    )

def create_event(
    room_id,
    creator_id,
    type,
    title,
    description,
    start_time,
    end_time,
    visibility,
    status,
    min_people
):
    query = """
    INSERT INTO events (
        room_id,
        creator_id,
        type,
        title,
        description,
        start_time,
        end_time,
        visibility,
        status,
        min_people
    )
    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
    """

    event_id = execute(
        query,
        (
            room_id,
            creator_id,
            type,
            title,
            description,
            start_time,
            end_time,
            visibility,
            status,
            min_people
        )
    )

    return event_id


# voorbeeld create_event. alleen voor deocumentatie, 
# als je echt een event toe wil voegen, moet je data
# uit de fastapi halen.
# 
#  
# event = create_event(
#     room_id=2,
#     creator_id=3,
#     type="proposal",
#     title="Kaas eten",
#     description="We gaan met z'n allen kaas eten.",
#     start_time="2026-08-10 19:00",
#     end_time="2026-08-10 21:00",
#     visibility="room",
#     status="proposed",
#     min_people=4
# )

# print("Nieuw event ID:", event)

def check_event_threshold(event_id):

    query = """
    SELECT 
        events.min_people,
        COUNT(event_signups.user_id) AS going
    FROM events

    LEFT JOIN event_signups
    ON events.id = event_signups.event_id
    AND event_signups.status = 'going'

    WHERE events.id = ?

    GROUP BY events.id
    """

    event = fetch_one(
        query,
        (event_id,)
    )

    if event["going"] >= event["min_people"]:

        execute(
            """
            UPDATE events
            SET status = 'confirmed'
            WHERE id = ?
            """,
            (event_id,)
        )