import sqlite3
import os
from datetime import datetime

DB_PATH = os.path.join(os.path.dirname(__file__), '..', 'data', 'snatcher.db')


def get_db():
    os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
    conn = sqlite3.connect(DB_PATH)
    conn.row_factory = sqlite3.Row
    conn.execute("PRAGMA journal_mode=WAL")
    return conn


def init_db():
    conn = get_db()
    conn.executescript('''
        CREATE TABLE IF NOT EXISTS accounts (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            name TEXT NOT NULL,
            phone TEXT NOT NULL DEFAULT '',
            password TEXT NOT NULL DEFAULT '',
            auth_file TEXT NOT NULL,
            is_logged_in INTEGER DEFAULT 0,
            login_msg TEXT DEFAULT '',
            created_at TEXT DEFAULT (datetime('now', 'localtime')),
            updated_at TEXT DEFAULT (datetime('now', 'localtime'))
        );

        CREATE TABLE IF NOT EXISTS tasks (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            account_id INTEGER NOT NULL,
            target_url TEXT NOT NULL,
            item_name TEXT DEFAULT '',
            item_id TEXT DEFAULT '',
            sku_id TEXT DEFAULT '',
            price TEXT DEFAULT '',
            snatch_time TEXT NOT NULL,
            status TEXT DEFAULT 'pending',
            result TEXT DEFAULT '',
            created_at TEXT DEFAULT (datetime('now', 'localtime')),
            updated_at TEXT DEFAULT (datetime('now', 'localtime')),
            FOREIGN KEY (account_id) REFERENCES accounts(id)
        );

        CREATE TABLE IF NOT EXISTS orders (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            task_id INTEGER NOT NULL,
            account_id INTEGER NOT NULL,
            status TEXT DEFAULT 'unknown',
            detail TEXT DEFAULT '',
            created_at TEXT DEFAULT (datetime('now', 'localtime')),
            FOREIGN KEY (task_id) REFERENCES tasks(id),
            FOREIGN KEY (account_id) REFERENCES accounts(id)
        );
    ''')
    conn.commit()
    conn.close()