package main

import (
	// ...

	"github.com/bartmika/go-lockset"
)

func main() {
	// Before you begin, make sure you have an environment variable set `LOCKSET_ENTRY_KEY` or the following.
	SetLocksetEntryKey("sdfdsfedrdsfsdfsdfazfasfasdfsdfa")

    // To encrypt the text "Hello World", wrap it around the `LockString` struct as follows.
	ls := lockset.LockString{Plaintext: "Hello World"}
	var tenantID uint64 = 1

	//
	// Save to the database.
	//

	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	query := `
    INSERT INTO bulletin_board_items (
        tenant_id, text
    ) VALUES (
        $1, $2
    )`
	stmt, err := r.db.PrepareContext(ctx, query)
	if err != nil {
		panic(err)
	}
	defer stmt.Close()

	_, err = stmt.ExecContext(ctx, tenantID, ls)

	//
	// Get from the database
	//

	var newlst lockset.LockString

	query = `
    SELECT
        text
    WHERE
        tenant_id = $1`
	err = r.db.QueryRowContext(ctx, query, tenant_id).Scan(
		&newlst,
	)
	if err != nil {
		// CASE 1 OF 2: Cannot find record with that email.
		if err == sql.ErrNoRows {
			return // Do nothing...
		}
		// CASE 2 OF 2: All other errors.
		return panic(err)
		}
	}

    // You should see the result!
	fmt.Println(newlst.Plaintext)
}