const GraphQLClient = require("graphql-request").GraphQLClient;
const path = require("path");
const DineroQbFormat = require("../accounting-constants").DineroQbFormat;
const queries = require("../../graphql-client/queries");
const Dinero = require("dinero.js");
var builder = require("xmlbuilder");
const QbXmlUtils = require("./qbxml-utils");
require("dotenv").config({
  path: path.resolve(
    process.cwd(),
    `.env.${process.env.NODE_ENV || "development"}`
  ),
});

const { generateJobTier, generateOwnerTier, generateSourceTier } = QbXmlUtils;

exports.default = async (req, res) => {
  const BearerToken = req.headers.authorization;
  const { jobId } = req.body;

  const client = new GraphQLClient(process.env.GRAPHQL_ENDPOINT, {
    headers: {
      Authorization: BearerToken,
    },
  });

  try {
    const result = await client
      .setHeaders({ Authorization: BearerToken })
      .request(queries.QUERY_JOBS_FOR_RECEIVABLES_EXPORT, { id: jobId });
    const { jobs_by_pk } = result;
    const { bodyshop } = jobs_by_pk;
    const QbXmlToExecute = [];

    //Is this a two tier, or 3 tier setup?
    const isThreeTier = bodyshop.accountingconfig.tiers === 3;
    const twoTierPref = bodyshop.accountingconfig.twotierpref;

    if (isThreeTier) {
      QbXmlToExecute.push({
        id: jobId,
        okStatusCodes: ["0", "3100"],
        qbxml: generateSourceCustomerQbxml(jobs_by_pk, bodyshop), // Create the source customer.
      });
    }

    QbXmlToExecute.push({
      id: jobId,
      okStatusCodes: ["0", "3100"],
      qbxml: generateJobQbxml(
        jobs_by_pk,
        bodyshop,
        isThreeTier,
        2,
        twoTierPref
      ),
    });

    QbXmlToExecute.push({
      id: jobId,
      okStatusCodes: ["0", "3100"],
      qbxml: generateJobQbxml(
        jobs_by_pk,
        bodyshop,
        isThreeTier,
        3,
        twoTierPref
      ),
    });
    //Generate the actual invoice.
    QbXmlToExecute.push({
      id: jobId,
      okStatusCodes: ["0"],
      qbxml: generateInvoiceQbxml(jobs_by_pk, bodyshop),
    });

    res.status(200).json(QbXmlToExecute);
  } catch (error) {
    console.log("error", error);
    res.status(400).send(JSON.stringify(error));
  }
};

const generateSourceCustomerQbxml = (jobs_by_pk, bodyshop) => {
  const customerQbxmlObj = {
    QBXML: {
      QBXMLMsgsRq: {
        "@onError": "continueOnError",
        CustomerAddRq: {
          CustomerAdd: {
            Name: jobs_by_pk.ins_co_nm,
            BillAddress: {
              Addr1: jobs_by_pk.ownr_addr1,
              Addr2: jobs_by_pk.ownr_addr2,
              City: jobs_by_pk.ownr_city,
              State: jobs_by_pk.ownr_st,
              PostalCode: jobs_by_pk.ownrzip,
            },
          },
        },
      },
    },
  };

  var customerQbxml_partial = builder
    .create(customerQbxmlObj, {
      version: "1.30",
      encoding: "UTF-8",
      headless: true,
    })
    .end({ pretty: true });

  const customerQbxml_Full = QbXmlUtils.addQbxmlHeader(customerQbxml_partial);

  return customerQbxml_Full;
};

const generateJobQbxml = (
  jobs_by_pk,
  bodyshop,
  isThreeTier,
  tierLevel,
  twoTierPref
) => {
  let Name;
  let ParentRefName;

  if (tierLevel === 2) {
    Name = generateOwnerTier(jobs_by_pk);
    ParentRefName = isThreeTier ? generateSourceTier(jobs_by_pk) : null;
  } else if (tierLevel === 3) {
    Name = generateJobTier(jobs_by_pk);
    ParentRefName = isThreeTier
      ? `${jobs_by_pk.ins_co_nm}:${generateOwnerTier(jobs_by_pk)}`
      : generateOwnerTier(jobs_by_pk);
  }

  const jobQbxmlObj = {
    QBXML: {
      QBXMLMsgsRq: {
        "@onError": "continueOnError",
        CustomerAddRq: {
          CustomerAdd: {
            Name: Name,
            ParentRef: ParentRefName
              ? {
                  FullName: ParentRefName,
                }
              : null,
          },
        },
      },
    },
  };

  var jobQbxml_partial = builder
    .create(jobQbxmlObj, {
      version: "1.30",
      encoding: "UTF-8",
      headless: true,
    })
    .end({ pretty: true });

  const jobQbxml_Full = QbXmlUtils.addQbxmlHeader(jobQbxml_partial);
  console.log("jobQbxml_Full", jobQbxml_Full);
  return jobQbxml_Full;
};

const generateInvoiceQbxml = (jobs_by_pk, bodyshop) => {
  //Build the Invoice XML file.
  const InvoiceLineAdd = [];
  const invoice_allocation = jobs_by_pk.invoice_allocation;
  Object.keys(invoice_allocation.partsAllocations).forEach(
    (partsAllocationKey) => {
      if (
        !!!invoice_allocation.partsAllocations[partsAllocationKey].allocations
      )
        return;
      invoice_allocation.partsAllocations[
        partsAllocationKey
      ].allocations.forEach((alloc) => {
        InvoiceLineAdd.push(
          generateInvoiceLine(
            jobs_by_pk,
            alloc,
            bodyshop.md_responsibility_centers
          )
        );
      });
    }
  );
  Object.keys(invoice_allocation.labMatAllocations).forEach((AllocationKey) => {
    if (!!!invoice_allocation.labMatAllocations[AllocationKey].allocations)
      return;
    invoice_allocation.labMatAllocations[AllocationKey].allocations.forEach(
      (alloc) => {
        InvoiceLineAdd.push(
          generateInvoiceLine(
            jobs_by_pk,
            alloc,
            bodyshop.md_responsibility_centers
          )
        );
      }
    );
  });

  //Add tax lines
  const job_totals = JSON.parse(jobs_by_pk.job_totals);

  const federal_tax = Dinero(job_totals.totals.federal_tax);
  const state_tax = Dinero(job_totals.totals.state_tax);
  const local_tax = Dinero(job_totals.totals.local_tax);

  if (federal_tax.getAmount() > 0) {
    InvoiceLineAdd.push({
      ItemRef: {
        FullName: bodyshop.md_responsibility_centers.taxes.federal.accountitem,
      },
      Desc: bodyshop.md_responsibility_centers.taxes.federal.accountdesc,
      Amount: federal_tax.toFormat(DineroQbFormat),
    });
  }

  if (state_tax.getAmount() > 0) {
    InvoiceLineAdd.push({
      ItemRef: {
        FullName: bodyshop.md_responsibility_centers.taxes.state.accountitem,
      },
      Desc: bodyshop.md_responsibility_centers.taxes.state.accountdesc,
      Amount: state_tax.toFormat(DineroQbFormat),
    });
  }

  if (local_tax.getAmount() > 0) {
    InvoiceLineAdd.push({
      ItemRef: {
        FullName: bodyshop.md_responsibility_centers.taxes.local.accountitem,
      },
      Desc: bodyshop.md_responsibility_centers.taxes.local.accountdesc,
      Amount: local_tax.toFormat(DineroQbFormat),
    });
  }

  const invoiceQbxmlObj = {
    QBXML: {
      QBXMLMsgsRq: {
        "@onError": "stopOnError",
        InvoiceAddRq: {
          InvoiceAdd: {
            CustomerRef: {
              FullName:
                bodyshop.accountingconfig.tiers === 3
                  ? `${generateSourceTier(jobs_by_pk)}:${generateOwnerTier(
                      jobs_by_pk
                    )}:${generateJobTier(jobs_by_pk)}`
                  : `${generateOwnerTier(jobs_by_pk)}:${generateJobTier(
                      jobs_by_pk
                    )}`,
            },
            TxnDate: new Date(),
            RefNumber: jobs_by_pk.ro_number,
            BillAddress: {
              Addr1: jobs_by_pk.ownr_addr1,
              Addr2: jobs_by_pk.ownr_addr2,
              City: jobs_by_pk.ownr_city,
              State: jobs_by_pk.ownr_st,
              PostalCode: jobs_by_pk.ownrzip,
            },
            PONumber: jobs_by_pk.clm_no,
            InvoiceLineAdd: InvoiceLineAdd,
          },
        },
      },
    },
  };
  var invoiceQbxml_partial = builder
    .create(invoiceQbxmlObj, {
      version: "1.30",
      encoding: "UTF-8",
      headless: true,
    })
    .end({ pretty: true });

  const invoiceQbxml_Full = QbXmlUtils.addQbxmlHeader(invoiceQbxml_partial);

  return invoiceQbxml_Full;
};

const generateInvoiceLine = (job, allocation, responsibilityCenters) => {
  const { amount, center } = allocation;
  const DineroAmount = Dinero(amount);
  const account = responsibilityCenters.profits.find(
    (i) => i.name.toLowerCase() === center.toLowerCase()
  );

  if (!!!account) {
    throw new Error(
      `A matching account does not exist for the allocation. Center: ${center}`
    );
  }

  return {
    ItemRef: { FullName: account.accountitem },
    Desc: account.accountdesc,
    Quantity: 1,
    //Rate: 100,
    Amount: DineroAmount.toFormat(DineroQbFormat),
    SalesTaxCodeRef: {
      FullName: "E",
    },
  };
};