use rusqlite::{Connection, Result};

pub fn init_db() -> Result<Connection> {
    let conn = Connection::open("form_data.db")?;

    conn.execute(
        "CREATE TABLE IF NOT EXISTS forms (
            id TEXT PRIMARY KEY,
            name TEXT NOT NULL,
            fields TEXT NOT NULL,
            created_at DATETIME DEFAULT CURRENT_TIMESTAMP
        )",
        [],
    )?;

    conn.execute(
        "CREATE TABLE IF NOT EXISTS submissions (
            id TEXT PRIMARY KEY,
            form_id TEXT NOT NULL,
            data TEXT NOT NULL,
            created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
            FOREIGN KEY (form_id) REFERENCES forms (id) ON DELETE CASCADE
        )",
        [],
    )?;

    Ok(conn)
}