const urlBuilder = require("./qbo").urlBuilder;
const StandardizeName = require("./qbo").StandardizeName;
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 DineroQbFormat = require("../accounting-constants").DineroQbFormat;
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 findTaxCode = require("../qb-receivables-lines").findTaxCode;

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

    const { bills } = result;
    const ret = [];

    for (const bill of bills) {
      try {
        let vendorRecord;
        vendorRecord = await QueryVendorRecord(
          oauthClient,
          qbo_realmId,
          req,
          bill
        );

        if (!vendorRecord) {
          vendorRecord = await InsertVendorRecord(
            oauthClient,
            qbo_realmId,
            req,
            bill
          );
        }

        const insertResults = await InsertBill(
          oauthClient,
          qbo_realmId,
          req,
          bill,
          vendorRecord
        );

        ret.push({ billid: bill.id, success: true });
      } catch (error) {
        ret.push({
          billid: bill.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-payable-create-error", "ERROR", req.user.email, { error });
    res.status(400).json(error);
  }
};

async function QueryVendorRecord(oauthClient, qbo_realmId, req, bill) {
  try {
    const result = await oauthClient.makeApiCall({
      url: urlBuilder(
        qbo_realmId,
        "query",
        `select * From vendor where DisplayName = '${StandardizeName(
          bill.vendor.name
        )}'`
      ),
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
    });
    setNewRefreshToken(req.user.email, result);
    return (
      result.json &&
      result.json.QueryResponse &&
      result.json.QueryResponse.Vendor &&
      result.json.QueryResponse.Vendor[0]
    );
  } catch (error) {
    logger.log("qbo-payables-error", "DEBUG", req.user.email, bill.id, {
      error:
        (error && error.authResponse && error.authResponse.body) ||
        (error && error.message),
      method: "QueryVendorRecord",
    });
    throw error;
  }
}
async function InsertVendorRecord(oauthClient, qbo_realmId, req, bill) {
  const Vendor = {
    DisplayName: bill.vendor.name,
  };
  try {
    const result = await oauthClient.makeApiCall({
      url: urlBuilder(qbo_realmId, "vendor"),
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
      body: JSON.stringify(Vendor),
    });
    setNewRefreshToken(req.user.email, result);
    return result && result.json && result.json.Vendor;
  } catch (error) {
    logger.log("qbo-payables-error", "DEBUG", req.user.email, bill.id, {
      error:
        (error && error.authResponse && error.authResponse.body) ||
        (error && error.message),
      method: "InsertVendorRecord",
    });
    throw error;
  }
}

async function InsertBill(oauthClient, qbo_realmId, req, bill, vendor) {
  const { accounts, taxCodes, classes } = await QueryMetaData(
    oauthClient,
    qbo_realmId,
    req
  );

  const billQbo = {
    VendorRef: {
      value: vendor.Id,
    },
    TxnDate: moment(bill.date).format("YYYY-MM-DD"),
    //DueDate: bill.due_date && moment(bill.due_date).format("YYYY-MM-DD"),
    DocNumber: bill.invoice_number,
    ...(bill.job.class ? { ClassRef: { Id: classes[bill.job.class] } } : {}),

    PrivateNote: `RO ${bill.job.ro_number || ""} OWNER ${
      bill.job.ownr_fn || ""
    } ${bill.job.ownr_ln || ""} ${bill.job.ownr_co_nm || ""}`,
    Line: bill.billlines.map((il) =>
      generateBillLine(
        il,
        accounts,
        bill.job.class,
        bill.job.bodyshop.md_responsibility_centers.sales_tax_codes,
        classes,
        taxCodes,
        bill.job.bodyshop.md_responsibility_centers.costs
      )
    ),
  };
  logger.log("qbo-payable-objectlog", "DEBUG", req.user.email, bill.id, {
    billQbo,
  });
  try {
    const result = await oauthClient.makeApiCall({
      url: urlBuilder(
        qbo_realmId,
        bill.is_credit_memo ? "vendorcredit" : "bill"
      ),
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
      body: JSON.stringify(billQbo),
    });
    setNewRefreshToken(req.user.email, result);
    return result && result.json && result.json.Bill;
  } catch (error) {
    logger.log("qbo-payables-error", "DEBUG", req.user.email, bill.id, {
      error:
        (error && error.authResponse && error.authResponse.body) ||
        (error && error.message),
      method: "InsertBill",
    });
    throw error;
  }
}
// [
//   {
//     DetailType: "AccountBasedExpenseLineDetail",
//     Amount: 200.0,
//     Id: "1",
//     AccountBasedExpenseLineDetail: {
//       AccountRef: {
//         value: "7",
//       },
//     },
//   },
// ],

const generateBillLine = (
  billLine,
  accounts,
  jobClass,
  ioSalesTaxCodes,
  classes,
  taxCodes,
  costCenters
) => {
  const account = costCenters.find((c) => c.name === billLine.cost_center);

  console.log(account.accountname, accounts[account.accountname]);
  return {
    DetailType: "AccountBasedExpenseLineDetail",

    AccountBasedExpenseLineDetail: {
      ...(jobClass ? { ClassRef: { Id: classes[jobClass] } } : {}),
      TaxCodeRef: {
        value:
          taxCodes[findTaxCode(billLine.applicable_taxes, ioSalesTaxCodes)],
      },
      AccountRef: {
        value: accounts[account.accountname],
      },
    },

    Amount: Dinero({
      amount: Math.round(billLine.actual_cost * 100),
    })
      .multiply(billLine.quantity || 1)
      .toFormat(DineroQbFormat),
  };
};

async function QueryMetaData(oauthClient, qbo_realmId, req) {
  const accounts = await oauthClient.makeApiCall({
    url: urlBuilder(
      qbo_realmId,
      "query",
      `select * From Account where AccountType = 'Cost of Goods Sold'`
    ),
    method: "POST",
    headers: {
      "Content-Type": "application/json",
    },
  });
  setNewRefreshToken(req.user.email, accounts);
  const taxCodes = await oauthClient.makeApiCall({
    url: urlBuilder(qbo_realmId, "query", `select * From TaxCode`),
    method: "POST",
    headers: {
      "Content-Type": "application/json",
    },
  });

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

  const taxCodeMapping = {};

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

  const accountMapping = {};

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

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

  return {
    accounts: accountMapping,
    taxCodes: taxCodeMapping,
    classes: classMapping,
  };
}