#!/usr/bin/env python3
"""
Migration: create audit_logs and app_logs tables.

Run once:  python scripts/add_log_tables.py
Safe to re-run — uses CREATE TABLE IF NOT EXISTS.
"""
import sys, os
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from app import create_app
from app.extensions import db

app = create_app()

TABLES = [
    (
        'audit_logs',
        """
        CREATE TABLE IF NOT EXISTS audit_logs (
            id          INT AUTO_INCREMENT PRIMARY KEY,
            timestamp   DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
            action      VARCHAR(64) NOT NULL,
            description VARCHAR(255),
            ip_address  VARCHAR(45),
            INDEX ix_audit_logs_timestamp (timestamp),
            INDEX ix_audit_logs_action    (action)
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
        """
    ),
    (
        'app_logs',
        """
        CREATE TABLE IF NOT EXISTS app_logs (
            id        INT AUTO_INCREMENT PRIMARY KEY,
            timestamp DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
            level     VARCHAR(16) NOT NULL,
            module    VARCHAR(128),
            message   TEXT,
            INDEX ix_app_logs_timestamp (timestamp),
            INDEX ix_app_logs_level     (level)
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
        """
    ),
]

with app.app_context():
    with db.engine.connect() as conn:
        for name, sql in TABLES:
            conn.execute(db.text(sql))
            conn.commit()
            print(f'  {name} — created (or already exists).')

print('Done.')