const Dinero = require("dinero.js");
const queries = require("../graphql-client/queries");
const GraphQLClient = require("graphql-request").GraphQLClient;
const logger = require("../utils/logger");
// Dinero.defaultCurrency = "USD";
// Dinero.globalLocale = "en-CA";
Dinero.globalRoundingMode = "HALF_EVEN";

exports.totalsSsu = async function (req, res) {
  const BearerToken = req.headers.authorization;
  const { id } = req.body;
  logger.log("job-totals-ssu", "DEBUG", req.user.email, id, null);
  const client = new GraphQLClient(process.env.GRAPHQL_ENDPOINT, {
    headers: {
      Authorization: BearerToken,
    },
  });

  try {
    const job = await client
      .setHeaders({ Authorization: BearerToken })
      .request(queries.GET_JOB_BY_PK, {
        id: id,
      });

    const newTotals = await TotalsServerSide(
      { body: { job: job.jobs_by_pk } },
      res,
      true
    );

    const result = await client
      .setHeaders({ Authorization: BearerToken })
      .request(queries.UPDATE_JOB, {
        jobId: id,
        job: {
          clm_total: newTotals.totals.total_repairs.toFormat("0.00"),
          owner_owing: newTotals.totals.custPayable.total.toFormat("0.00"),
          job_totals: newTotals,
          queued_for_parts: true,
        },
      });

    res.status(200).send();
  } catch (error) {
    logger.log("job-totals-ssu-error", "ERROR", req.user.email, id, {
      jobid: id,
      error,
    });
    res.status(503).send();
  }
};

//IMPORTANT*** These two functions MUST be mirrrored.
async function TotalsServerSide(req, res) {
  const { job } = req.body;
  try {
    let ret = {
      parts: CalculatePartsTotals(job.joblines),
      rates: CalculateRatesTotals(job),
      additional: CalculateAdditional(job),
    };
    ret.totals = CalculateTaxesTotals(job, ret);

    return ret;
  } catch (error) {
    logger.log("job-totals-ssu-error", "ERROR", req.user.email, job.id, {
      jobid: job.id,
      error,
    });
    res.status(400).send(JSON.stringify(error));
  }
}

async function Totals(req, res) {
  const { job } = req.body;
  logger.log("job-totals", "DEBUG", req.user.email, job.id, {
    jobid: job.id,
  });

  try {
    let ret = {
      parts: CalculatePartsTotals(job.joblines),
      rates: CalculateRatesTotals(job),
      additional: CalculateAdditional(job),
    };
    ret.totals = CalculateTaxesTotals(job, ret);

    res.status(200).json(ret);
  } catch (error) {
    logger.log("job-totals-error", "ERROR", req.user.email, job.id, {
      jobid: job.id,
      error,
    });
    res.status(400).send(JSON.stringify(error));
  }
}

function CalculateRatesTotals(ratesList) {
  const jobLines = ratesList.joblines.filter((jl) => !jl.removed);

  let ret = {
    la1: {
      hours: 0,
      rate: ratesList.rate_la1 || 0,
    },
    la2: {
      hours: 0,
      rate: ratesList.rate_la2 || 0,
    },
    la3: {
      rate: ratesList.rate_la3 || 0,
      hours: 0,
    },
    la4: {
      rate: ratesList.rate_la4 || 0,
      hours: 0,
    },
    laa: {
      rate: ratesList.rate_laa || 0,
      hours: 0,
    },
    lab: {
      rate: ratesList.rate_lab || 0,
      hours: 0,
    },
    lad: {
      rate: ratesList.rate_lad || 0,
      hours: 0,
    },
    lae: {
      rate: ratesList.rate_lae || 0,
      hours: 0,
    },
    laf: {
      rate: ratesList.rate_laf || 0,
      hours: 0,
    },
    lag: {
      rate: ratesList.rate_lag || 0,
      hours: 0,
    },
    lam: {
      rate: ratesList.rate_lam || 0,
      hours: 0,
    },
    lar: {
      rate: ratesList.rate_lar || 0,
      hours: 0,
    },
    las: {
      rate: ratesList.rate_las || 0,
      hours: 0,
    },
    lau: {
      rate: ratesList.rate_lau || 0,
      hours: 0,
    },
    mapa: {
      rate: ratesList.rate_mapa || 0,
      hours: 0,
    },
    mash: {
      rate: ratesList.rate_mash || 0,
      hours: 0,
    },
  };

  //Determine if there are MAPA and MASH lines already on the estimate.
  //If there are, don't do anything extra (mitchell estimate)
  //Otherwise, calculate them and add them to the default MAPA and MASH centers.
  let hasMapaLine = false;
  let hasMashLine = false;

  jobLines.forEach((item) => {
    //IO-1317 Use the lines on the estimate if they exist instead.
    if (item.db_ref === "936008") {
      //If either of these DB REFs change, they also need to change in job-totals/job-costing calculations.
      hasMapaLine = true;
      ret["mapa"].total = Dinero({
        amount: Math.round((item.act_price || 0) * 100),
      });
    }
    if (item.db_ref === "936007") {
      hasMashLine = true;
      ret["mash"].total = Dinero({
        amount: Math.round((item.act_price || 0) * 100),
      });
    }

    if (item.mod_lbr_ty) {
      //Check to see if it has 0 hours and a price instead.
      if (
        item.mod_lb_hrs === 0 &&
        item.act_price > 0 &&
        item.lbr_op === "OP14"
      ) {
        //Scenario where SGI may pay out hours using a part price.
        if (!ret[item.mod_lbr_ty.toLowerCase()].total) {
          ret[item.mod_lbr_ty.toLowerCase()].total = Dinero();
        }
        ret[item.mod_lbr_ty.toLowerCase()].total = ret[
          item.mod_lbr_ty.toLowerCase()
        ].total.add(
          Dinero({ amount: Math.round((item.act_price || 0) * 100) }).multiply(
            item.part_qty
          )
        );
      }

      //There's a labor type, assign the hours.
      ret[item.mod_lbr_ty.toLowerCase()].hours =
        ret[item.mod_lbr_ty.toLowerCase()].hours + item.mod_lb_hrs;

      if (item.mod_lbr_ty === "LAR") {
        ret.mapa.hours = ret.mapa.hours + item.mod_lb_hrs;
      } else {
        ret.mash.hours = ret.mash.hours + item.mod_lb_hrs; //Apparently there may be an exclusion for glass hours in BC.
      }
    }
  });

  let subtotal = Dinero({ amount: 0 });
  let rates_subtotal = Dinero({ amount: 0 });

  for (const property in ret) {
    //Skip calculating mapa and mash if we got the amounts.
    if (
      !(
        (property === "mapa" && hasMapaLine) ||
        (property === "mash" && hasMashLine)
      )
    ) {
      if (!ret[property].total) {
        ret[property].total = Dinero();
      }
      ret[property].total = ret[property].total.add(
        Dinero({
          amount: Math.round((ret[property].rate || 0) * 100),
        }).multiply(ret[property].hours)
      );
    }

    subtotal = subtotal.add(ret[property].total);

    if (property !== "mapa" && property !== "mash")
      rates_subtotal = rates_subtotal.add(ret[property].total);
  }

  ret.subtotal = subtotal;
  ret.rates_subtotal = rates_subtotal;

  return ret;
}
function CalculatePartsTotals(jobLines) {
  const ret = jobLines
    .filter((jl) => !jl.removed)
    .reduce(
      (acc, value) => {
        switch (value.part_type) {
          case "PAS":
          case "PASL":
            return {
              ...acc,
              sublets: {
                ...acc.sublets,
                subtotal: acc.sublets.subtotal.add(
                  Dinero({
                    amount: Math.round(value.act_price * 100),
                  })
                    .multiply(value.part_qty || 0)
                    .add(
                      (value.db_ref === "900511" ||
                        value.db_ref === "900510") &&
                        value.prt_dsmk_m &&
                        value.prt_dsmk_m !== 0
                        ? Dinero({ amount: Math.round(value.prt_dsmk_m * 100) })
                        : Dinero({
                            amount: Math.round(value.act_price * 100),
                          })
                            .multiply(value.part_qty || 0)
                            .percentage(Math.abs(value.prt_dsmk_p || 0))
                            .multiply(value.prt_dsmk_p > 0 ? 1 : -1)
                    )
                ),
              },
            };

          default:
            if (
              !value.part_type &&
              value.db_ref !== "900510" &&
              value.db_ref !== "900511"
            )
              return acc;
            return {
              ...acc,
              parts: {
                ...acc.parts,
                prt_dsmk_total: acc.parts.prt_dsmk_total.add(
                  (value.db_ref === "900511" || value.db_ref === "900510") &&
                    value.prt_dsmk_m &&
                    value.prt_dsmk_m !== 0
                    ? Dinero({ amount: Math.round(value.prt_dsmk_m * 100) })
                    : Dinero({
                        amount: Math.round(value.act_price * 100),
                      })
                        .multiply(value.part_qty || 0)
                        .percentage(Math.abs(value.prt_dsmk_p || 0))
                        .multiply(value.prt_dsmk_p > 0 ? 1 : -1)
                ),
                ...(value.part_type
                  ? {
                      list: {
                        ...acc.parts.list,
                        [value.part_type]:
                          acc.parts.list[value.part_type] &&
                          acc.parts.list[value.part_type].total
                            ? {
                                total: acc.parts.list[
                                  value.part_type
                                ].total.add(
                                  Dinero({
                                    amount: Math.round(
                                      (value.act_price || 0) * 100
                                    ),
                                  }).multiply(value.part_qty || 0)
                                ),
                              }
                            : {
                                total: Dinero({
                                  amount: Math.round(
                                    (value.act_price || 0) * 100
                                  ),
                                }).multiply(value.part_qty || 0),
                              },
                      },
                    }
                  : {}),
                subtotal: acc.parts.subtotal
                  .add(
                    Dinero({
                      amount: Math.round(value.act_price * 100),
                    }).multiply(value.part_qty || 0)
                  )
                  .add(
                    (value.db_ref === "900511" || value.db_ref === "900510") &&
                      value.prt_dsmk_m &&
                      value.prt_dsmk_m !== 0
                      ? Dinero({ amount: Math.round(value.prt_dsmk_m * 100) })
                      : Dinero({
                          amount: Math.round(value.act_price * 100),
                        })
                          .multiply(value.part_qty || 0)
                          .percentage(Math.abs(value.prt_dsmk_p || 0))
                          .multiply(value.prt_dsmk_p > 0 ? 1 : -1)
                  ),
              },
            };
        }
      },
      {
        parts: {
          list: {},
          prt_dsmk_total: Dinero(),
          subtotal: Dinero({ amount: 0 }),
          total: Dinero({ amount: 0 }),
        },
        sublets: {
          subtotal: Dinero({ amount: 0 }),

          total: Dinero({ amount: 0 }),
        },
      }
    );

  return {
    parts: {
      ...ret.parts,
      total: ret.parts.subtotal,
    },
    sublets: {
      ...ret.sublets,
      total: ret.sublets.subtotal,
    },
  };
}

function IsAdditionalCost(jobLine) {
  //May be able to use db_ref here to help.
  //936012 is Haz Waste Dispoal
  //936008 is Paint/Materials
  //936007 is Shop/Materials

  //Remove paint and shop mat lines. They're calculated under rates.
  const isPaintOrShopMat =
    jobLine.db_ref === "936008" || jobLine.db_ref === "936007";

  return (
    (jobLine.lbr_op === "OP13" || //Added to resolve manual job lines coming into other totals because they have no reference.
      (jobLine.db_ref && jobLine.db_ref.startsWith("9360"))) &&
    !isPaintOrShopMat
  );
}

function CalculateAdditional(job) {
  let ret = {
    additionalCosts: null,
    additionalCostItems: [],
    adjustments: null,
    towing: null,
    storage: null,
    pvrt: null,
    total: null,
  };
  ret.additionalCosts = job.joblines
    .filter((jl) => !jl.removed && IsAdditionalCost(jl))
    .reduce((acc, val) => {
      const lineValue = Dinero({
        amount: Math.round((val.act_price || 0) * 100),
      }).multiply(val.part_qty || 1);
      ret.additionalCostItems.push({ key: val.line_desc, total: lineValue });
      return acc.add(lineValue);
    }, Dinero());
  ret.adjustments = Dinero({
    amount: Math.round((job.adjustment_bottom_line || 0) * 100),
  });
  ret.towing = Dinero({
    amount: Math.round((job.towing_payable || 0) * 100),
  });
  ret.storage = Dinero({
    amount: Math.round((job.storage_payable || 0) * 100),
  });
  ret.pvrt = Dinero({
    amount: Math.round((job.ca_bc_pvrt || 0) * 100),
  });
  ret.total = ret.additionalCosts
    .add(ret.adjustments) //IO-813 Adjustment takes care of GST & PST at labor rate.
    .add(ret.towing)
    .add(ret.storage)
    .add(ret.pvrt);

  return ret;
}

function CalculateTaxesTotals(job, otherTotals) {
  const subtotal = otherTotals.parts.parts.subtotal
    .add(otherTotals.parts.sublets.subtotal)
    .add(otherTotals.rates.subtotal) //No longer using just rates subtotal to include mapa/mash.
    .add(otherTotals.additional.total);
  // .add(Dinero({ amount: (job.towing_payable || 0) * 100 }))
  // .add(Dinero({ amount: (job.storage_payable || 0) * 100 }));

  //Potential issue here with Sublet Calculation. Sublets are calculated under labor in Mitchell, but it's done in IO
  //Under the parts rates.

  let statePartsTax = Dinero();
  let additionalItemsTax = Dinero();

  //Audatex sends additional glass part types. IO-774
  const BackupGlassTax =
    job.parts_tax_rates &&
    (job.parts_tax_rates.PAGD ||
      job.parts_tax_rates.PAGF ||
      job.parts_tax_rates.PAGP ||
      job.parts_tax_rates.PAGQ ||
      job.parts_tax_rates.PAGR);

  job.joblines
    .filter((jl) => !jl.removed)
    .forEach((val) => {
      if (!val.tax_part) return;
      if (!val.part_type && IsAdditionalCost(val)) {
        additionalItemsTax = additionalItemsTax.add(
          Dinero({ amount: Math.round((val.act_price || 0) * 100) })
            .multiply(val.part_qty || 0)
            .percentage(
              ((job.parts_tax_rates &&
                job.parts_tax_rates["PAN"] &&
                job.parts_tax_rates["PAN"].prt_tax_rt) ||
                0) * 100
            )
        );
      } else {
        statePartsTax = statePartsTax.add(
          Dinero({ amount: Math.round((val.act_price || 0) * 100) })
            .multiply(val.part_qty || 0)
            .add(
              val.prt_dsmk_m &&
                val.prt_dsmk_m !== 0 &&
                DiscountNotAlreadyCounted(val, job.joblines)
                ? Dinero({ amount: Math.round(val.prt_dsmk_m * 100) })
                : Dinero({
                    amount: Math.round(val.act_price * 100),
                  })
                    .multiply(val.part_qty || 0)
                    .percentage(Math.abs(val.prt_dsmk_p || 0))
                    .multiply(val.prt_dsmk_p > 0 ? 1 : -1)
            )
            .percentage(
              ((job.parts_tax_rates &&
                job.parts_tax_rates[val.part_type] &&
                job.parts_tax_rates[val.part_type].prt_tax_rt) ||
                (val.part_type &&
                  val.part_type.startsWith("PAG") &&
                  BackupGlassTax &&
                  BackupGlassTax.prt_tax_rt) ||
                (!val.part_type &&
                  val.db_ref === "900510" &&
                  job.parts_tax_rates["PAN"] &&
                  job.parts_tax_rates["PAN"].prt_tax_rt) ||
                0) * 100
            )
        );
      }
    });

  let ret = {
    subtotal: subtotal,
    federal_tax: subtotal.percentage((job.federal_tax_rate || 0) * 100),
    statePartsTax,
    state_tax: statePartsTax
      .add(
        otherTotals.rates.subtotal.percentage((job.tax_lbr_rt || 0) * 100) // THis is currently using the lbr tax rate from PFH not PFL.
      )
      .add(
        otherTotals.additional.adjustments.percentage(
          (job.tax_lbr_rt || 0) * 100
        )
      )
      .add(
        otherTotals.additional.towing.percentage((job.tax_tow_rt || 0) * 100)
      )
      .add(
        otherTotals.additional.storage.percentage((job.tax_str_rt || 0) * 100)
      )
      .add(additionalItemsTax),
    local_tax: subtotal.percentage((job.local_tax_rate || 0) * 100),
  };
  ret.total_repairs = ret.subtotal
    .add(ret.federal_tax)
    .add(ret.state_tax)
    .add(ret.local_tax);

  ret.custPayable = {
    deductible: Dinero({ amount: Math.round((job.ded_amt || 0) * 100) }) || 0,
    federal_tax: job.ca_gst_registrant
      ? job.ca_customer_gst === 0 || job.ca_customer_gst === null
        ? ret.federal_tax
        : Dinero({ amount: Math.round(job.ca_customer_gst * 100) })
      : Dinero(),
    other_customer_amount: Dinero({
      amount: Math.round((job.other_amount_payable || 0) * 100),
    }),
    dep_taxes: Dinero({
      amount: Math.round((job.depreciation_taxes || 0) * 100),
    }),
  };

  ret.custPayable.total = ret.custPayable.deductible
    .add(ret.custPayable.federal_tax)
    .add(ret.custPayable.other_customer_amount)
    .add(ret.custPayable.dep_taxes);

  ret.net_repairs = ret.total_repairs.subtract(ret.custPayable.total);

  return ret;
}

exports.default = Totals;

function DiscountNotAlreadyCounted(jobline, joblines) {
  if (jobline.db_ref !== "900510") return true;
  const ParentLine = joblines.find((j) => j.unq_seq === jobline.line_ref);
  return ParentLine && !(ParentLine.prt_dsmk_m && ParentLine.prt_dsmk_m !== 0);
}