from __future__ import annotations

import os
import sqlite3
import sys
from pathlib import Path
from typing import Any

import aiosqlite

# Make TSSBOT root importable for BOT.storage defaults.
_TSSBOT_ROOT = Path(__file__).resolve().parents[2]
if str(_TSSBOT_ROOT) not in sys.path:
    sys.path.insert(0, str(_TSSBOT_ROOT))


def battles_path() -> Path:
    override = os.getenv("TSS_API_BATTLES_DB", "").strip()
    if override:
        return Path(override)
    from BOT.storage import TSS_BATTLES_DB_PATH
    return TSS_BATTLES_DB_PATH


def tournaments_path() -> Path:
    override = os.getenv("TSS_API_TOURNAMENTS_DB", "").strip()
    if override:
        return Path(override)
    from BOT.storage import STORAGE_DIR
    return STORAGE_DIR / "tss_tournaments.db"


def _ro_uri(path: Path) -> str:
    return f"file:{path}?mode=ro"


async def query(path: Path, sql: str, params: tuple[Any, ...] = ()) -> list[dict]:
    async with aiosqlite.connect(_ro_uri(path), uri=True) as conn:
        conn.row_factory = sqlite3.Row
        async with conn.execute(sql, params) as cur:
            rows = await cur.fetchall()
            return [dict(r) for r in rows]


async def query_one(path: Path, sql: str, params: tuple[Any, ...] = ()) -> dict | None:
    rows = await query(path, sql, params)
    return rows[0] if rows else None