const path = require("path");
const AxiosLib = require("axios").default;
const axios = AxiosLib.create();
const uuid = require("uuid").v4;

const FORTELLIS_KEY = "X1FxzLyOk3kjHvMbzdPQXFZShkdbgzuo"; //TODO: Regenerate these keys after testing and move to env vars.
const FORTELLIS_SECRET = "7Yvs0wpQeHcUS5r95ht8pqOaAvBq7dHV";
const FORTELLIS_AUTH_URL = "https://identity.fortellis.io/oauth2/aus1p1ixy7YL8cMq02p7/v1/token";
const FORTELLIS_URL = "https://api.fortellis.io";
const ENVSubscriptionID = "5b527d7d-baf3-40bc-adae-e7a541e37363"; //TODO: Replace with the bodyshop.cdk_dealerid
let SubscriptionMeta = null;
//const ENVSubscriptionID = 'cb59fa04-e53e-4b57-b071-80a48ebc346c';

async function GetAuthToken() {
  //Done with Authorization Code Flow
  //https://docs.fortellis.io/docs/tutorials/solution-integration/authorization-code-flow/
  const {
    data: { access_token, expires_in, token_type }
  } = await axios.post(
    FORTELLIS_AUTH_URL,
    {},
    {
      auth: {
        username: FORTELLIS_KEY,
        password: FORTELLIS_SECRET
      },
      params: {
        grant_type: "client_credentials",
        scope: "anonymous"
      }
    }
  );
  return access_token;
}

async function FetchSubscriptions() {
  const access_token = await GetAuthToken();
  try {
    const subscriptions = await axios.get(`https://subscriptions.fortellis.io/v1/solution/subscriptions`, {
      headers: { Authorization: `Bearer ${access_token}` }
    });
    SubscriptionMeta = subscriptions.data.subscriptions.find((s) => s.subscriptionId === ENVSubscriptionID);
    return SubscriptionMeta;
  } catch (error) {
    console.log("🚀 ~ FetchSubscriptions ~ error:", error);
  }
}

async function GetDepartmentId({ apiName, debug = false }) {
  if (!apiName) throw new Error("apiName not provided. Unable to get department without apiName.");
  if (debug) {
    console.log("API Names & Departments ");
    console.log("===========");
    console.log(
      JSON.stringify(
        SubscriptionMeta.apiDmsInfo.map((a) => ({
          name: a.name,
          departments: a.departments.map((d) => d.id)
        })),
        null,
        4
      )
    );
    console.log("===========");
  }
  const departmentIds2 = SubscriptionMeta.apiDmsInfo //Get the subscription object.
    .find((info) => info.name === apiName)?.departments; //Departments are categorized by API name and have an array of departments.

  return departmentIds2[0].id; //TODO: This makes the assumption that there is only 1 department.
}

async function MakeFortellisCall({ apiName, url, headers = {}, body = {}, type = "post", debug = false }) {
  if (debug) console.log(`Executing ${type} to ${url}`);
  const ReqId = uuid();
  const access_token = await GetAuthToken();
  const DepartmentId = await GetDepartmentId({ apiName, debug });

  if (debug) {
    console.log(
      `ReqID: ${ReqId}  |  SubscriptionID: ${SubscriptionMeta.subscriptionId}  |  DepartmentId: ${DepartmentId}`
    );
    console.log(`Body Contents: ${JSON.stringify(body, null, 4)}`);
  }

  try {
    let result;
    switch (type) {
      case "post":
      default:
        result = await axios.post(url, body, {
          headers: {
            Authorization: `Bearer ${access_token}`,
            "Subscription-Id": SubscriptionMeta.subscriptionId,
            "Request-Id": ReqId,
            "Department-Id": DepartmentId,
            ...headers
          }
        });
        break;
      case "get":
        result = await axios.get(url, {
          headers: {
            Authorization: `Bearer ${access_token}`,
            "Subscription-Id": SubscriptionMeta.subscriptionId,
            "Request-Id": ReqId,
            "Department-Id": DepartmentId,
            ...headers
          }
        });
        break;
    }

    if (debug) {
      console.log(`ReqID: ${ReqId} Data`);
      console.log(JSON.stringify(result.data, null, 4));
    }

    if (result.data.checkStatusAfterSeconds) {
      return DelayedCallback({
        delayMeta: result.data,
        access_token,
        SubscriptionID: SubscriptionMeta.subscriptionId,
        ReqId,
        departmentIds: DepartmentId
      });
    }
    return result.data;
  } catch (error) {
    console.log(`ReqID: ${ReqId} Error`, error.response?.data);
    //console.log(`ReqID: ${ReqId} Full Error`, JSON.stringify(error, null, 4));
  }
}
//Get the status meta, then keep checking and return the result.
async function DelayedCallback({ delayMeta, access_token, SubscriptionID, ReqId, departmentIds }) {
  for (let index = 0; index < 5; index++) {
    await sleep(delayMeta.checkStatusAfterSeconds * 1000);
    //Check to see if the call is ready.
    const statusResult = await axios.get(delayMeta._links.status.href, {
      headers: {
        Authorization: `Bearer ${access_token}`,
        "Subscription-Id": SubscriptionID,
        "Request-Id": ReqId,
        "Department-Id": departmentIds[0].id
      }
    });

    //TODO:  Add a check if the status result is not ready, to try again.
    if (statusResult.data.status === "complete") {
      //This may have to check again if it isn't ready.
      const batchResult = await axios.get(statusResult.data._links.result.href, {
        headers: {
          Authorization: `Bearer ${access_token}`,
          "Subscription-Id": SubscriptionID,
          "Request-Id": ReqId,
         //"Department-Id": departmentIds[0].id
        }
      });
      return batchResult;
    } else {
      return "Error!!! Still need to implement batch waiting.";
    }
  }
}
function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

async function GetCOA() {
  console.log("Executing GetCOA");
  await MakeFortellisCall({
    debug: true,
    type: "get",
    apiName: "CDK Drive Post Accounts GL WIP",
    url: `https://api.fortellis.io/cdk-test/drive/chartofaccounts/v2/bulk`,
    waitForResult: true
  });
}

async function StartWIP() {
  const TransactionWip = MakeFortellisCall({
    url: "https://api.fortellis.io/cdk-test/drive/glwippost/startWIP",
    apiName: "CDK Drive Post Accounts GL WIP",
    body: {
      acctgDate: "2023-09-26", //job.invoice
      desc: "TEST TRANSACTION",
      docType: "3", //pulled from Doc Type workbook
      m13Flag: "0", // Is this a M13 entry. Presumanbly always 0
      refer: "RO12345", //Supposed to be a doc reference number. Presumably the RO?
      srcCo: "77",
      srcJrnl: "80",
      userID: "csr", //bodyshop user
      userName: "PROGRAM, PARTNER*ADP" //Can leave blank to have this return to default.
    },
    debug: true
  });

  return TransactionWip;
}

async function InsertBatch({ transID }) {
  const TransactionWip = MakeFortellisCall({
    url: "https://api.fortellis.io/cdk-test/drive/glwippost/transWIP",
    apiName: "CDK Drive Post Accounts GL WIP",
    body: [
      {
        acct: "",
        cntl: "",
        cntl2: null,
        credtMemoNo: null,
        postAmt: Math.round(payer.amount * 100),
        postDesc: "", //Required if required by the DMS setup
        prod: null, //Productivity Number
        statCnt: 1, //Auto count, leave as 1.
        transID: transID,
        trgtCoID: "77" //Add this to read from the header
      }
    ],
    debug: true
  });
}

async function DoTheThings() {
  await FetchSubscriptions();
  //What do we have access to?
  console.log("Sub Access : ", SubscriptionMeta.apiDmsInfo.map((i) => i.name).join(", "));
  await GetCOA();

  return;

  //Insert Transactions
  const TransactionHeader = await StartWIP();
  const BatchResult = await InsertBatch({ transID: TransactionHeader.transID });
}

DoTheThings();