const path = require("path");
require("dotenv").config({
  path: path.resolve(
    process.cwd(),
    `.env.${process.env.NODE_ENV || "development"}`
  ),
});
const logger = require("../../utils/logger");
const Dinero = require("dinero.js");

const apiGqlClient = require("../../graphql-client/graphql-client").client;
const queries = require("../../graphql-client/queries");
const {
  refresh: refreshOauthToken,
  setNewRefreshToken,
} = require("./qbo-callback");
const OAuthClient = require("intuit-oauth");
const moment = require("moment");
const GraphQLClient = require("graphql-request").GraphQLClient;
const {
  QueryInsuranceCo,
  InsertInsuranceCo,
  InsertJob,
  InsertOwner,
  QueryJob,
  QueryOwner,
} = require("../qbo/qbo-receivables");
const { urlBuilder } = require("./qbo");
const { DineroQbFormat } = require("../accounting-constants");
const { findTaxCode } = require("../qb-receivables-lines");

exports.default = async (req, res) => {
  const oauthClient = new OAuthClient({
    clientId: process.env.QBO_CLIENT_ID,
    clientSecret: process.env.QBO_SECRET,
    environment:
      process.env.NODE_ENV === "production" ? "production" : "sandbox",
    redirectUri: process.env.QBO_REDIRECT_URI,
    logging: true,
  });
  try {
    //Fetch the API Access Tokens & Set them for the session.
    const response = await apiGqlClient.request(queries.GET_QBO_AUTH, {
      email: req.user.email,
    });
    const { qbo_realmId } = response.associations[0];
    oauthClient.setToken(response.associations[0].qbo_auth);
    if (!qbo_realmId) {
      res.status(401).json({ error: "No company associated." });
      return;
    }
    await refreshOauthToken(oauthClient, req);

    const BearerToken = req.headers.authorization;
    const { payments: paymentsToQuery } = req.body;
    //Query Job Info
    const client = new GraphQLClient(process.env.GRAPHQL_ENDPOINT, {
      headers: {
        Authorization: BearerToken,
      },
    });
    logger.log("qbo-payment-create", "DEBUG", req.user.email, paymentsToQuery);
    const result = await client
      .setHeaders({ Authorization: BearerToken })
      .request(queries.QUERY_PAYMENTS_FOR_EXPORT, {
        payments: paymentsToQuery,
      });

    const { payments, bodyshops } = result;
    const bodyshop = bodyshops[0];

    const ret = [];

    for (const payment of payments) {
      try {
        const isThreeTier = bodyshop.accountingconfig.tiers === 3;
        const twoTierPref = bodyshop.accountingconfig.twotierpref;

        //Replace this with a for-each loop to check every single Job that's included in the list.

        let insCoCustomerTier, ownerCustomerTier, jobTier;
        if (isThreeTier || (!isThreeTier && twoTierPref === "source")) {
          //Insert the insurance company tier.
          //Query for top level customer, the insurance company name.
          insCoCustomerTier = await QueryInsuranceCo(
            oauthClient,
            qbo_realmId,
            req,
            payment.job
          );
          if (!insCoCustomerTier) {
            //Creating the Insurance Customer.
            insCoCustomerTier = await InsertInsuranceCo(
              oauthClient,
              qbo_realmId,
              req,
              payment.job,
              bodyshop
            );
          }
        }

        if (isThreeTier || (!isThreeTier && twoTierPref === "name")) {
          //Insert the name/owner and account for whether the source should be the ins co in 3 tier..
          ownerCustomerTier = await QueryOwner(
            oauthClient,
            qbo_realmId,
            req,
            payment.job
          );
          //Query for the owner itself.
          if (!ownerCustomerTier) {
            ownerCustomerTier = await InsertOwner(
              oauthClient,
              qbo_realmId,
              req,
              payment.job,
              isThreeTier,
              insCoCustomerTier
            );
          }
        }

        //Query for the Job or Create it.
        jobTier = await QueryJob(oauthClient, qbo_realmId, req, payment.job);

        // Need to validate that the job tier is associated to the right individual?

        if (!jobTier) {
          jobTier = await InsertJob(
            oauthClient,
            qbo_realmId,
            req,
            payment.job,
            ownerCustomerTier || insCoCustomerTier
          );
        }

        if (payment.amount > 0) {
          await InsertPayment(oauthClient, qbo_realmId, req, payment, jobTier);
        } else {
          await InsertCreditMemo(
            oauthClient,
            qbo_realmId,
            req,
            payment,
            jobTier
          );
        }
        ret.push({ paymentid: payment.id, success: true });
      } catch (error) {
        logger.log("qbo-payment-create-error", "ERROR", req.user.email, {
          error:
            (error && error.authResponse && error.authResponse.body) ||
            (error && error.message),
        });

        ret.push({
          paymentid: payment.id,
          success: false,
          errorMessage:
            (error && error.authResponse && error.authResponse.body) ||
            (error && error.message),
        });
      }
    }

    res.status(200).json(ret);
  } catch (error) {
    console.log(error);
    logger.log("qbo-payment-create-error", "ERROR", req.user.email, { error });
    res.status(400).json(error);
  }
};

async function InsertPayment(
  oauthClient,
  qbo_realmId,
  req,
  payment,
  parentRef
) {
  const { paymentMethods, invoices } = await QueryMetaData(
    oauthClient,
    qbo_realmId,
    req,
    payment.job.ro_number,
    false
  );

  if (invoices && invoices.length !== 1) {
    throw new Error(
      `More than 1 invoice with DocNumber ${payment.ro_number} found.`
    );
  }

  const paymentQbo = {
    CustomerRef: {
      value: parentRef.Id,
    },
    TxnDate: moment(payment.date).format("YYYY-MM-DD"),
    //DueDate: bill.due_date && moment(bill.due_date).format("YYYY-MM-DD"),
    DocNumber: payment.paymentnum,
    TotalAmt: Dinero({
      amount: Math.round(payment.amount * 100),
    }).toFormat(DineroQbFormat),
    PaymentMethodRef: {
      value: paymentMethods[payment.type],
    },
    ...(invoices && invoices.length === 1
      ? {
          Line: [
            {
              Amount: Dinero({
                amount: Math.round(payment.amount * 100),
              }).toFormat(DineroQbFormat),
              LinkedTxn: [
                {
                  TxnId: invoices[0].Id,
                  TxnType: "Invoice",
                },
              ],
            },
          ],
        }
      : {}),
  };
  logger.log("qbo-payments-objectlog", "DEBUG", req.user.email, payment.id, {
    paymentQbo,
  });
  try {
    const result = await oauthClient.makeApiCall({
      url: urlBuilder(qbo_realmId, "payment"),
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
      body: JSON.stringify(paymentQbo),
    });
    setNewRefreshToken(req.user.email, result);
    return result && result.Bill;
  } catch (error) {
    logger.log("qbo-payables-error", "DEBUG", req.user.email, payment.id, {
      error: error && error.message,
      method: "InsertPayment",
    });
    throw error;
  }
}
async function QueryMetaData(
  oauthClient,
  qbo_realmId,
  req,
  ro_number,
  isCreditMemo
) {
  const invoice = await oauthClient.makeApiCall({
    url: urlBuilder(
      qbo_realmId,
      "query",
      `select * From Invoice where DocNumber = '${ro_number}'`
    ),
    method: "POST",
    headers: {
      "Content-Type": "application/json",
    },
  });

  const paymentMethods = await oauthClient.makeApiCall({
    url: urlBuilder(qbo_realmId, "query", `select * From PaymentMethod`),
    method: "POST",
    headers: {
      "Content-Type": "application/json",
    },
  });
  setNewRefreshToken(req.user.email, paymentMethods);

  //   const classes = await oauthClient.makeApiCall({
  //     url: urlBuilder(qbo_realmId, "query", `select * From Class`),
  //     method: "POST",
  //     headers: {
  //       "Content-Type": "application/json",
  //     },
  //   });

  const paymentMethodMapping = {};

  paymentMethods.json &&
    paymentMethods.json.QueryResponse &&
    paymentMethods.json.QueryResponse.PaymentMethod &&
    paymentMethods.json.QueryResponse.PaymentMethod.forEach((t) => {
      paymentMethodMapping[t.Name] = t.Id;
    });

  //   const accountMapping = {};

  //   accounts.json &&
  //     accounts.json.QueryResponse &&
  //     accounts.json.QueryResponse.Account.forEach((t) => {
  //       accountMapping[t.Name] = t.Id;
  //     });

  //   const classMapping = {};
  //   classes.json &&
  //     classes.json.QueryResponse &&
  //     classes.json.QueryResponse.Class.forEach((t) => {
  //       accountMapping[t.Name] = t.Id;
  //     });
  let ret = {};

  if (isCreditMemo) {
    const taxCodes = await oauthClient.makeApiCall({
      url: urlBuilder(qbo_realmId, "query", `select * From TaxCode`),
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
    });
    const items = await oauthClient.makeApiCall({
      url: urlBuilder(qbo_realmId, "query", `select * From Item`),
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
    });
    setNewRefreshToken(req.user.email, items);

    const itemMapping = {};

    items.json &&
      items.json.QueryResponse &&
      items.json.QueryResponse.Item &&
      items.json.QueryResponse.Item.forEach((t) => {
        itemMapping[t.Name] = t.Id;
      });
    const taxCodeMapping = {};

    taxCodes.json &&
      taxCodes.json.QueryResponse &&
      taxCodes.json.QueryResponse.TaxCode &&
      taxCodes.json.QueryResponse.TaxCode.forEach((t) => {
        taxCodeMapping[t.Name] = t.Id;
      });
    ret = {
      ...ret,
      items: itemMapping,
      taxCodes: taxCodeMapping,
    };
  }

  return {
    ...ret,
    paymentMethods: paymentMethodMapping,
    invoices:
      invoice.json &&
      invoice.json.QueryResponse &&
      invoice.json.QueryResponse.Invoice,
  };
}
async function InsertCreditMemo(
  oauthClient,
  qbo_realmId,
  req,
  payment,
  parentRef
) {
  const { paymentMethods, invoices, items, taxCodes } = await QueryMetaData(
    oauthClient,
    qbo_realmId,
    req,
    payment.job.ro_number,
    true
  );

  if (invoices && invoices.length !== 1) {
    throw new Error(
      `More than 1 invoice with DocNumber ${payment.ro_number} found.`
    );
  }

  const paymentQbo = {
    CustomerRef: {
      value: parentRef.Id,
    },
    TxnDate: moment(payment.date).format("YYYY-MM-DD"),
    DocNumber: payment.paymentnum,
    ...(invoices[0] ? { InvoiceRef: { value: invoices[0].Id } } : {}),
    Line: [
      {
        DetailType: "SalesItemLineDetail",
        Amount: Dinero({ amount: Math.round(payment.amount * -100) }).toFormat(
          DineroQbFormat
        ),
        SalesItemLineDetail: {
          ItemRef: {
            value:
              items[
                payment.job.bodyshop.md_responsibility_centers.refund
                  .accountitem
              ],
          },
          Qty: 1,
          TaxCodeRef: {
            value:
              taxCodes[
                findTaxCode(
                  {
                    local: false,
                    federal: false,
                    state: false,
                  },
                  payment.job.bodyshop.md_responsibility_centers.sales_tax_codes
                )
              ],
          },
        },
      },
    ],
  };
  logger.log("qbo-payments-objectlog", "DEBUG", req.user.email, payment.id, {
    paymentQbo,
  });
  try {
    const result = await oauthClient.makeApiCall({
      url: urlBuilder(qbo_realmId, "creditmemo"),
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
      body: JSON.stringify(paymentQbo),
    });
    setNewRefreshToken(req.user.email, result);
    return result && result.Bill;
  } catch (error) {
    logger.log("qbo-payables-error", "DEBUG", req.user.email, payment.id, {
      error: error && error.message,
      method: "InsertCreditMemo",
    });
    throw error;
  }
}