import { Calculator, PevCalculator } from "./calculators";

import { Connection } from "@rolesvillesoftware/tsentity/dist";
import { SafePromise, Exception } from "@rolesvillesoftware/tools/dist";
import { ExamContext } from "./models/ExamContext";
import { Logger } from "./Logger";

const connection: Connection = new Connection("provider=mysql;host=mysql.rolesvillesoftware.com;user=tiber;password=Tiber$45;database=TiberDM");

async function runCalcs(): Promise<boolean> {
    Logger.log("Launching PEV Calculator");
    const context = new ExamContext(connection);

    Logger.log(`Initializing PEV Calculator`);
    const pevCalculator = Calculator.initialize(PevCalculator, context);

    Logger.log(`Starting Calculations`);
    const safeResult = await SafePromise.run(() => pevCalculator.calculate());
    if (safeResult.isError) { throw new Exception(safeResult.error); }

    context.saveChanges();

    Logger.log("PEV Calculator - Completed");
    return true;
}

function main() {
    SafePromise.run(() => runCalcs())
        .then(data => {
            if (data.isError) { console.error(data.error); }
            process.exit(0);
        })
        .catch(error => {
            console.error(error);
            process.exit(1);
        })

}

main();