module transaction.service;

import handy_httpd.components.optional;
import std.datetime;

import transaction.model;
import transaction.data;
import profile.data;
import util.money;
import account.model;

void addTransaction(
    ProfileDataSource ds,
    SysTime timestamp,
    SysTime addedAt,
    ulong amount,
    Currency currency,
    string description,
    Optional!ulong vendorId,
    Optional!ulong categoryId,
    Optional!ulong creditedAccountId,
    Optional!ulong debitedAccountId,
    TransactionLineItem[] lineItems
    // TODO: Add attachments and tags!
) {
    if (creditedAccountId.isNull && debitedAccountId.isNull) {
        throw new Exception("At least one account must be linked to a transaction.");
    }
    ds.doTransaction(() {
        auto journalEntryRepo = ds.getAccountJournalEntryRepository();
        auto txRepo = ds.getTransactionRepository();
        Transaction tx = txRepo.insert(
            timestamp,
            addedAt,
            amount,
            currency,
            description,
            vendorId,
            categoryId
        );
        if (creditedAccountId) {
            journalEntryRepo.insert(
                timestamp,
                creditedAccountId.value,
                tx.id,
                amount,
                AccountJournalEntryType.CREDIT,
                currency
            );
        }
        if (debitedAccountId) {
            journalEntryRepo.insert(
                timestamp,
                debitedAccountId.value,
                tx.id,
                amount,
                AccountJournalEntryType.DEBIT,
                currency
            );
        }
    });
}