import { useAuthStore } from "src/stores/auth-store";
import { useTimesheetStore } from "src/stores/timesheet-store"

export const useTimesheetApi = () => {
    const timesheet_store = useTimesheetStore();
    const auth_store = useAuthStore();

    const getTimesheetsByDate = async (date_string: string) => {
        const success = await timesheet_store.getPayPeriodByDate(date_string);
        
        if (success) {
            await timesheet_store.getTimesheetsByPayPeriodAndEmail(auth_store.user.email)
        }
    }

    const fetchPayPeriod = async (direction: number) => {
        const current_pay_period = timesheet_store.current_pay_period;
        let new_pay_period_no = current_pay_period.pay_period_no + direction;
        let new_pay_year = current_pay_period.pay_year;

        if (new_pay_period_no > 26) {
           new_pay_period_no = 1;
           new_pay_year += 1; 
        }

        if (new_pay_period_no < 1) {
            new_pay_period_no = 26;
            new_pay_year -= 1;
        }

        const success = await timesheet_store.getPayPeriodByYearAndPeriodNumber(new_pay_year, new_pay_period_no);
        
        if (success) {
            await timesheet_store.getTimesheetsByPayPeriodAndEmail(auth_store.user.email);
        }
    };

    const getCurrentPayPeriod  = async () => fetchPayPeriod(0);
    const getNextPayPeriod     = async () => fetchPayPeriod(1);
    const getPreviousPayPeriod = async () => fetchPayPeriod(-1);

    return { 
        getTimesheetsByDate,
        fetchPayPeriod,
        getCurrentPayPeriod,
        getNextPayPeriod,
        getPreviousPayPeriod,
    };
};