from pathlib import Path
import sys

from sqlalchemy import text

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT))

from app.database import engine  # noqa: E402


def main() -> None:
    with engine.begin() as conn:
        conn.execute(text("""
            CREATE TABLE IF NOT EXISTS reconciliation_ledger_entries (
                year INT NOT NULL,
                month INT NOT NULL,
                product_name VARCHAR(255) NOT NULL,
                reconciled_good_qty DECIMAL(14, 2) NOT NULL DEFAULT 0,
                return_qty DECIMAL(14, 2) NOT NULL DEFAULT 0,
                updated_by VARCHAR(20) NULL,
                created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
                updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                PRIMARY KEY (year, month, product_name),
                INDEX idx_reconciliation_product (product_name),
                INDEX idx_reconciliation_updated (updated_at)
            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
        """))
    print("reconciliation ledger migrated")


if __name__ == "__main__":
    main()