import {eq} from "drizzle-orm";
import {db} from "../../database/dbclient.js";
import {settings} from "../../database/schema/settings.js";
import {query} from "../services/sqlServer/prodSqlServer.js";
import {plantInfo} from "../services/sqlServer/querys/dataMart/plantInfo.js";
import {createLog} from "../services/logger/logger.js";

export const createSSCC = async (runningNumber: number) => {
    // get the token
    const plantToken = await db.select().from(settings).where(eq(settings.name, "plantToken"));
    let global; // get from plant address in basis enter the entire string here.

    try {
        global = await query(plantInfo.replaceAll("[token]", plantToken[0].value), "plantInfo");
    } catch (error) {
        createLog("error", "lst", "globalUtils", `There was an error getting the GLN: Error: ${error}`);
    }

    // create the sscc without the check diget and make sure we have it all correct

    let step1SSCC = global[0].gln.toString().slice(0, 7).padStart(10, "0") + runningNumber.toString().padStart(9, "0");

    let sum = 0;
    for (let i = 0; i < step1SSCC.length; i++) {
        let digit = parseInt(step1SSCC[i], 10);
        if (i % 2 === 0) {
            // Even index in 0-based index system means odd position in 1-based index system
            sum += digit * 3;
        } else {
            sum += digit;
        }
    }
    let checkDigit = (10 - (sum % 10)) % 10;

    // make sure the check digit is never 10

    // let checkDigit = 10 - ((oddSum * 3 + evenSum) % 10) === 10 ? 0 : (oddSum * 3 + evenSum) % 10;

    // return the true sscc
    let sscc = step1SSCC + checkDigit;
    // console.log(step1SSCC);
    // console.log(checkDigit);
    return sscc.padStart(20, "0");
};

// let rn = 518475;

// console.log(`Creating sscc`);
// let sscc = await createSSCC(rn);
// console.log(sscc);