import Dinero from "dinero.js";
import _ from "lodash";
import { all, call, put, select, takeLatest } from "redux-saga/effects";
import client from "../../graphql/GraphQLClient";
import { REPORTING_GET_JOBS } from "../../graphql/reporting.queries";
import ipcTypes from "../../ipc.types";
import {
  CalculateJobRpsDollars,
  CalculateJobRpsPc,
} from "../../util/CalculateJobRps";
import GetJobTarget from "../../util/GetJobTarget";
import {
  calculateScorecard,
  setReportingData,
  setScoreCard,
} from "./reporting.actions";
import ReportingApplicationTypes from "./reporting.types";

const { log, ipcRenderer } = window;

export function* onQueryReportData() {
  yield takeLatest(
    ReportingApplicationTypes.QUERY_REPORTING_DATA,
    queryReportingData
  );
}
export function* queryReportingData({ payload: { startDate, endDate } }) {
  const result = yield client.query({
    query: REPORTING_GET_JOBS,
    variables: { startDate, endDate },
  });
  if (result.errors) {
    log.error("Error fetching report data.", result.errors);
    yield put(setReportingData(null));
  } else {
    yield put(calculateScorecard(result.data.jobs));
  }
}

export function* onSetReportData() {
  yield takeLatest(
    ReportingApplicationTypes.SET_REPORTING_DATA,
    handleSetReportData
  );
}
export function* handleSetReportData({ payload: jobs }) {
  // yield put(calculateScorecard(jobs));
}

export function* onCalculateScoreCard() {
  yield takeLatest(
    ReportingApplicationTypes.CALCULATE_SCORE_CARD,
    handleCalculateScoreCard
  );
}
export function* handleCalculateScoreCard({ payload: jobs }) {
  try {
    ipcRenderer.send(ipcTypes.default.app.toMain.track, {
      event: "CALCULATE_SCORECARD",
    });

    const targets = yield select((state) => state.user.bodyshop.targets);
    const groups = yield select((state) => state.user.bodyshop.groups);

    const scoreCard = {
      shopRpsTotalDollars: Dinero(),
      shopRpsExpectedDollars: Dinero(),
      varianceDollars: null,
      variancePc: 0,
      allJobsSumDbPrice: Dinero(),
      allJobsSumActPrice: Dinero(),
      currentRpsPc: 0,
      targetRpsPc: 0,
      scatterChart: _.sortBy(
        groups,
        [(group) => group.toLowerCase()],
        ["desc"]
      ).reduce((acc, val) => {
        return { ...acc, [val]: [] };
      }, {}),
    };

    //Get the RPS on a per job basis.
    jobs = jobs.map((job) => {
      const { actPriceSum, jobRpsDollars } = CalculateJobRpsDollars(job, true);
      const { dbPriceSum, jobRpsPc } = CalculateJobRpsPc(
        job,
        jobRpsDollars,
        true
      );
      const jobTarget = GetJobTarget(job.group, job.v_age, targets);
      scoreCard.shopRpsTotalDollars = scoreCard.shopRpsTotalDollars.add(
        jobRpsDollars
      );
      const expectedRpsDollars = dbPriceSum.percentage(jobTarget * 100);
      scoreCard.shopRpsExpectedDollars = scoreCard.shopRpsExpectedDollars.add(
        expectedRpsDollars
      );

      scoreCard.allJobsSumDbPrice = scoreCard.allJobsSumDbPrice.add(dbPriceSum);
      scoreCard.allJobsSumActPrice = scoreCard.allJobsSumActPrice.add(
        actPriceSum
      );

      const deviationPc = Math.round((jobRpsPc - jobTarget) * 1000) / 10;

      scoreCard.scatterChart[job.group].push({
        deviationPc: isNaN(deviationPc) ? -100 : deviationPc,
        deviationDollars: (
          jobRpsDollars.subtract(expectedRpsDollars).getAmount() / 100
        ).toFixed(2),
        age: job.v_age,
        dbPriceSum,
        dbPriceSumAmt: dbPriceSum.getAmount() / 100,
        id: job.id,
        owner: `${job.ownr_fn} ${job.ownr_ln}`,
        vehicle: `${job.v_model_yr} ${job.v_makedesc} ${job.v_model} (${job.v_type}) - ${job.group}`,
        clm_no: job.clm_no,
        jobRpsDollars,
        jobRpsPc: isNaN(jobRpsPc) ? -1 : jobRpsPc,
      });

      //sum db price * percentage expected.
      return {
        ...job,
        actPriceSum,
        jobRpsDollars,
        dbPriceSum,
        jobRpsPc,
        jobTarget,
        expectedRpsDollars,
      };
    });

    scoreCard.varianceDollars = scoreCard.shopRpsTotalDollars.subtract(
      scoreCard.shopRpsExpectedDollars
    );

    scoreCard.currentRpsPc =
      scoreCard.shopRpsTotalDollars.getAmount() /
      scoreCard.allJobsSumDbPrice.getAmount();
    scoreCard.targetRpsPc =
      scoreCard.shopRpsExpectedDollars.getAmount() /
      scoreCard.allJobsSumDbPrice.getAmount();

    scoreCard.variancePc = scoreCard.currentRpsPc - scoreCard.targetRpsPc;
    //Set the data.
    yield put(setScoreCard(scoreCard));
    yield put(setReportingData(jobs));
  } catch (error) {
    ipcRenderer.send(ipcTypes.default.app.toMain.track, {
      event: "CALCULATE_SCORE_CARD_ERROR",
      error: error,
    });
  }
}

export function* reportingSagas() {
  yield all([
    call(onQueryReportData),
    call(onSetReportData),
    call(onCalculateScoreCard),
  ]);
}