use rfkpos::{CreateTransaction, GetTransaction, TransactionReturn, Database};

use rfkpos::{CreateTransaction, GetTransaction, TransactionReturn, Database, Transaction, Purchase, transaction, Timestamp};

use prost::Message;

        let transaction = data.transaction.ok_or(Status::invalid_argument("transaction not specified"))?;
        let data = transaction.data.ok_or(io::Error::new(io::ErrorKind::NotFound, "No transaction data found."))?;
        let tid = data.tid;

        let mut transaction = data.transaction.ok_or_else(|| Status::invalid_argument("transaction not specified"))?;
        let tid = transaction.tid;

struct Authenticator { token: String }

struct Authenticator {
    token: String,
    db: Arc<Mutex<Database>>,
}

    pub fn new(db: Arc<Mutex<Database>>) -> Self {
        Self { token: "Bearer test-token".to_string(), db: db }
    }

    let authenticator = Arc::new(Mutex::new(Authenticator { token: "Bearer test-token".to_string() }));

    let authenticator = Arc::new(Mutex::new(Authenticator::new(rfkpos.db.clone())));

#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn serialize_test() {
        let mut trans = Transaction::default();
        trans.tid = 1;
        trans.parent = 2;
        trans.ts = 20;
        let mut purchase = Purchase::default();
        purchase.ts = Some(Timestamp { year: 2022, month: 12, day: 1, hour: 10, minute: 2, second: 3, tz: 3600 });
        trans.transaction_type = Some(transaction::TransactionType::Purchase(purchase));
        trans.signature = Some("test".to_string());
        let sig = trans.signature;
        trans.signature = None;
        let mut buf = vec![];
        let res = trans.encode(&mut buf);
        println!("DEBUG: {:?} {:?} {:?} {:?}", trans, sig, buf, res);
    }
}

    string signature = 3;

    optional string signature = 99;

    string signature = 3;

    optional string signature = 99;

    uint32 tz = 7;

    int32 tz = 7;

message TransactionData {

message Transaction {

    optional string signature = 99;

message Transaction {
    TransactionData data = 1;
    string signature = 2;
}

sqlite = "0.30.2"