package com.rinha.backend.service;

import com.rinha.backend.model.PaymentModel;
import com.rinha.backend.model.SummaryModel;
import com.rinha.backend.repository.PaymentRepository;
import org.springframework.stereotype.Service;

import java.time.OffsetDateTime;
import java.util.List;

@Service
public class SummaryService {

    private final PaymentRepository paymentRepository;

    public SummaryService(PaymentRepository paymentRepository) {
        this.paymentRepository = paymentRepository;
    }

    public SummaryModel getSummary(OffsetDateTime from, OffsetDateTime to) {
        SummaryModel summary = new SummaryModel();
        if (from == null) from = OffsetDateTime.MIN;
        if (to == null) to = OffsetDateTime.MAX;

        List<PaymentModel> payments = paymentRepository.findAll();

        for (PaymentModel p : payments) {
            if(p.getData().isBefore(from) || p.getData().isAfter(to)) continue;

            if (p.getProcessor() == 1) {
                summary.getProcessorDefault().addTotalRequests(1);
                summary.getProcessorDefault().addTotalAmount(p.getAmount());
            } else if (p.getProcessor() == 2) {
                summary.getProcessorFallback().addTotalRequests(1);
                summary.getProcessorFallback().addTotalAmount(p.getAmount());
            }
        }

        return summary;
    }
}