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/* Financer - Pocket Money Tracker
 * Copyright (C) 2025  Vidhu Kant Sharma <vidhukant@vidhukant.com>

 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

import prisma from "../util/prisma";
import { Transaction, TransactionType } from "@prisma/client";

const create = async (transaction: Transaction) => {
    // TODO: validate
    return prisma.transaction.create({
        data: {
            ...transaction,
        }
    })
}

const read = async (userId: Number, type: String) => {
    const hasFilter = [
        TransactionType.LENT,
        TransactionType.BORROWED,
        TransactionType.SPENT,
        TransactionType.RECEIVED
    ].includes(type as TransactionType)
    const filter = hasFilter ? { type: type } : {}

    return prisma.transaction.findMany({
        // @ts-ignore
        where: { userId: userId, ...filter }
    })
}

// TODO: ig collaborated transactions would need more logic
const del = async (userId: Number, transactionId: String) => {
    const t = await prisma.transaction.findUnique({
        // @ts-ignore
        where: { id: transactionId }
    })

    if (t) {
        if (t.userId == userId) {
            return prisma.transaction.delete({
                // @ts-ignore
                where: { id: transactionId }
            })
        } else {
            throw new Error("403")
        }
    } else {
        throw new Error("404")
    }
}

export {
    create,
    read,
    del
}