"""Справочник званий: чтение, создание, изменение, удаление."""

from __future__ import annotations

from typing import Any

from common.db.pool import get_pool


async def list_titles() -> list[dict[str, Any]]:
    """Все звания с количеством игроков, у которых они стоят."""
    async with get_pool().connection() as conn:
        cur = await conn.execute(
            """
            SELECT t.id_title, t.title, t.price, t.visible,
                   (SELECT count(*) FROM bot.de_users AS d WHERE d.id_title = t.id_title) AS used
            FROM bot.titles AS t
            ORDER BY t.price DESC, t.id_title
            """
        )
        return await cur.fetchall()


async def create_title(title: str, price: int, visible: bool) -> int:
    async with get_pool().connection() as conn:
        cur = await conn.execute(
            "INSERT INTO bot.titles (title, price, visible) VALUES (%s, %s, %s) RETURNING id_title",
            (title, price, visible),
        )
        row = await cur.fetchone()
        return int(row["id_title"])


async def update_title(title_id: int, title: str, price: int, visible: bool) -> bool:
    async with get_pool().connection() as conn:
        cur = await conn.execute(
            "UPDATE bot.titles SET title = %s, price = %s, visible = %s WHERE id_title = %s",
            (title, price, visible, title_id),
        )
        return bool(cur.rowcount)


async def delete_title(title_id: int) -> bool:
    async with get_pool().connection() as conn:
        cur = await conn.execute("DELETE FROM bot.titles WHERE id_title = %s", (title_id,))
        return bool(cur.rowcount)


async def usage_count(title_id: int) -> int:
    async with get_pool().connection() as conn:
        cur = await conn.execute(
            "SELECT count(*) AS total FROM bot.de_users WHERE id_title = %s",
            (title_id,),
        )
        row = await cur.fetchone()
        return int(row["total"]) if row else 0