const Dinero = require("dinero.js");
const queries = require("../graphql-client/queries");
//const client = require("../graphql-client/graphql-client").client;
const _ = require("lodash");
const GraphQLClient = require("graphql-request").GraphQLClient;
const logger = require("../utils/logger");

const path = require("path");
const client = require("../graphql-client/graphql-client").client;
require("dotenv").config({
  path: path.resolve(
    process.cwd(),
    `.env.${process.env.NODE_ENV || "development"}`
  ),
});
const { Client, Connection } = require("@opensearch-project/opensearch");
const { defaultProvider } = require("@aws-sdk/credential-provider-node");
const aws4 = require("aws4");
const { gql } = require("graphql-request");

var host = process.env.OPEN_SEARCH_HOST;
const createAwsConnector = (credentials, region) => {
  class AmazonConnection extends Connection {
    buildRequestObject(params) {
      const request = super.buildRequestObject(params);
      request.service = "es";
      request.region = region;
      request.headers = request.headers || {};
      request.headers["host"] = request.hostname;

      return aws4.sign(request, credentials);
    }
  }
  return {
    Connection: AmazonConnection,
  };
};

const getClient = async () => {
  const credentials = await defaultProvider()();
  return new Client({
    ...createAwsConnector(credentials, "ca-central-1"),
    node: host,
  });
};

async function OpenSearchUpdateHandler(req, res) {
  try {
    var osClient = await getClient();
    // const osClient = new Client({
    //   node: `https://imex:<password>@search-imexonline-search-ixp2stfvwp6qocjsowzjzyreoy.ca-central-1.es.amazonaws.com/`,
    // });

    if (req.body.event.op === "DELETE") {
      let response;
      response = await osClient.delete({
        id: req.body.event.data.old.id,
        index: req.body.table.name,
      });
      res.status(200).json(response.body);
    } else {
      let document;

      switch (req.body.table.name) {
        case "jobs":
          document = _.pick(req.body.event.data.new, [
            "id",
            "bodyshopid",
            "clm_no",
            "clm_total",
            "comment",
            "ins_co_nm",
            "ownr_co_nm",
            "ownr_fn",
            "ownr_ln",
            "ownr_ph1",
            "ownr_ph2",
            "plate_no",
            "ro_number",
            "status",
            "v_model_yr",
            "v_make_desc",
            "v_model_desc",
          ]);
          document.bodyshopid = req.body.event.data.new.shopid;
          break;
        case "vehicles":
          document = _.pick(req.body.event.data.new, [
            "id",
            "v_model_yr",
            "v_model_desc",
            "v_make_desc",
            "v_color",
            "v_vin",
            "plate_no",
          ]);
          document.bodyshopid = req.body.event.data.new.shopid;
          break;
        case "owners":
          document = _.pick(req.body.event.data.new, [
            "id",
            "ownr_fn",
            "ownr_ln",
            "ownr_co_nm",
            "ownr_ph1",
            "ownr_ph2",
          ]);
          document.bodyshopid = req.body.event.data.new.shopid;
          break;
        case "bills":
          const bill = await client.request(
            `query ADMIN_GET_BILL_BY_ID($billId: uuid!) {
            bills_by_pk(id: $billId) {
              id
              job {
                id
                ro_number
                shopid
              }
              vendor {
                id
                name
              }
            }
          }
          `,
            { billId: req.body.event.data.new.id }
          );
          document = {
            ..._.pick(req.body.event.data.new, [
              "id",
              "date",
              "exported",
              "exported_at",
              "invoice_number",
              "is_credit_memo",
              "total"
            ]),
            ...bill.bills_by_pk,
            bodyshopid: bill.bills_by_pk.job.shopid,
          };
          break;
        case "payments":
          //Query to get the job and RO number
          const payment = await client.request(
            `query ADMIN_GET_PAYMENT_BY_ID($paymentId: uuid!) {
                payments_by_pk(id: $paymentId) {
                  id
                  job {
                    id
                    ro_number
                    shopid
                    ownerid
                    ownr_co_nm
                    ownr_fn
                    ownr_ln
                    owner {
                      id
                      ownr_co_nm
                      ownr_fn
                      ownr_ln
                    }
                  }
                }
              }              
            `,
            { paymentId: req.body.event.data.new.id }
          );
          document = {
            ..._.pick(req.body.event.data.new, [
              "id",
              "amount",
              "created_at",
              "date",
              "exportedat",
              "memo",
              "payer",
              "paymentnum",
              "transactionid",
              "type",
            ]),
            ...payment.payments_by_pk,
            bodyshopid: payment.payments_by_pk.job.shopid,
          };
          break;
      }
      const payload = {
        id: req.body.event.data.new.id,
        index: req.body.table.name,
        body: document,
      };

      let response;
      response = await osClient.index(payload);
      console.log(response.body);
      res.status(200).json(response.body);
    }
  } catch (error) {
    res.status(400).json(JSON.stringify(error));
  } finally {
  }
}

async function OpensearchSearchHandler(req, res) {
  try {
    const { search, bodyshopid, index } = req.body;
    if (!req.user) {
      res.sendStatus(401);
      return;
    }
    logger.log("os-search", "DEBUG", req.user.email, null, {
      search,
    });

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

    const assocs = await client
      .setHeaders({ Authorization: BearerToken })
      .request(queries.ACTIVE_SHOP_BY_USER, {
        user: req.user.email,
      });

    if (assocs.length === 0) {
      res.sendStatus(401);
    }

    var osClient = await getClient();

    const { body } = await osClient.search({
      ...(index ? { index } : {}),
      body: {
        size: 100,
        query: {
          bool: {
            must: [
              {
                multi_match: {
                  query: search,
                  type: "phrase_prefix",
                  //fields: ["*"],
                  // fuzziness: "5",
                  //prefix_length: 2,
                },
              },
              {
                match: {
                  bodyshopid: assocs.associations[0].shopid,
                },
              },
            ],
          },
        },
        sort: [
          {
            _score: {
              order: "desc",
            },
          },
        ],
      },
    });

    res.json(body);
  } catch (error) {
    console.log(error);
    logger.log("os-search-error", "ERROR", req.user.email, null, {
      error: JSON.stringify(error),
    });
    res.status(400).json(error);
  } finally {
  }
}

exports.handler = OpenSearchUpdateHandler;
exports.search = OpensearchSearchHandler;