import { useEffect, useState } from "react";
import { collection, setDoc, doc } from "firebase/firestore";
import { db, auth } from "../../firebase";
import Button from "../../pageElements/Button";
import { v4 as uuidv4 } from "uuid";
import arrow from "../../Assets/Images/Arrow.png";
import { useNavigate } from "react-router-dom";
import ConfirmModal from "../Modals/ConfirmModal";
import { createUserWithEmailAndPassword } from "firebase/auth";
import { stateDataValues } from "../../Constants/Fields/SignupFields";
import "../../styles/homepage.scss";
import LoadingSpinner from "../../pageElements/LoadingSpinner";

const HomePage = () => {
  const navigate = useNavigate();
  const [showPromoModal, setShowPromoModal] = useState(false);
  const [isBusy, setIsBusy] = useState(false);
  const [notice, setNotice] = useState("");

  const apiUrl =
    process.env.NODE_ENV === "development"
      ? process.env.REACT_APP_API_DEV
      : process.env.REACT_APP_API_PROD;

  useEffect(() => {
    if (typeof window.gtag !== "undefined") {
      window.gtag("event", "screen_view", {
        app_name: "novodraft",
        screen_name: "Home",
      });
    }
  }, []);

  function clickedTryItButton() {
    if (typeof window.gtag !== "undefined") {
      window.gtag("event", "try_it_click", {
        app_name: "novodraft",
        screen_name: "Home",
      });
    }
  }

  function promoSignup() {
    if (typeof window.gtag !== "undefined") {
      window.gtag("event", "promo_sign_up", {
        send_to: "G-J6SQL5DF6V",
      });
    }
  }

  function clickedExploreLink() {
    if (typeof window.gtag !== "undefined") {
      window.gtag("event", "explore_click", {
        app_name: "novodraft",
        screen_name: "Home",
      });
    }
  }

  async function saveUserData(
    authId,
    dataValues,
    email,
    password,
    customerId,
    subscriptionCreated,
    subscriptionPeriodStart,
    subscriptionPeriodEnd,
    subscriptionId,
    isPromotionalMebership = true,
    docsAllowedPeMonth = 1
  ) {
    if (!email || !password || !dataValues[0]) {
      return;
    }
    const appUserId = uuidv4();
    const firmId = uuidv4();
    const fbAuthUid = authId;
    const tpe = password;
    let plan = "promo plan";
    let docsAllowedPerMonth;

    docsAllowedPerMonth = 1;
    subscriptionId = uuidv4();
    plan = plan;

    const docsGenerated = 0;

    const {
      firstName,
      lastName,
      firm,
      telephone,
      streetAddress,
      city,
      state,
      zipCode,
      barNumber,
      practiceArea,
    } = dataValues[0];

    const userState = stateDataValues.filter((value) => {
      if (value.name === state) return value;
    });

    const tempData = {
      docsAllowedPerMonth,
      docsGenerated,
      appUserId,
      fbAuthUid,
      firmId,
      firstName,
      lastName,
      firm,
      telephone,
      streetAddress,
      city,
      state: userState,
      zipCode,
      barNumber,
      practiceArea,
      email,
      tpe: tpe,
      isPromotionalMebership,
      isPromotionalFirstLogin: true,
      customerId: customerId,
      subscriptionId: subscriptionId,
      subscriptionPlan: "flordia-spring-promo-plan",
      subscriptionCreated: subscriptionCreated,
      subscriptionPeriodStart: subscriptionPeriodStart,
      subscriptionPeriodEnd: subscriptionPeriodEnd,
    };

    function scrubUndef(obj) {
      Object.keys(obj).forEach(function (key) {
        if (obj[key] === undefined) {
          obj[key] = "---";
        }
      });

      return obj;
    }

    const userData = scrubUndef(tempData);

    try {
      const usersRef = collection(db, "users");
      const res = await setDoc(doc(usersRef, fbAuthUid), userData);
      promoSignup();
      return res;
    } catch (error) {
      console.log(`Error saving new user to db: ${error}`);
    }
  }

  async function getFocusData(code) {
    try {
      const response = await fetch(`${apiUrl}/v1/get-focused-data/${code}`, {
        method: "GET",
      });
      const res = await response.json();

      return res;
    } catch (err) {
      console.log("Error in get rqst:", err);
    }
  }

  async function handleProcessPromoSubscription(code) {
    setIsBusy(true);
    setShowPromoModal(false);
    if (!code) {
      return;
    }

    const userData = await getFocusData(code);
    let email;
    let password;

    if (userData === undefined) {
      return;
    } else {
      email = userData[0].email;
      password = userData[0].mspall;
    }

    if (email && password) {
      handlePromoSignup(userData, email, password);
    } else {
      setIsBusy(false);
      setShowPromoModal(false);
    }
  }

  async function handlePromoSignup(dataValues, email, password) {
    if (!email || !password) {
      return;
    }

    try {
      const customerId = `${uuidv4()}-florida-spring-promo`;
      const today = new Date();
      const subscriptionCreated = today;
      const subscriptionPeriodStart = today;
      const subscriptionPeriodEnd = today;
      const subscriptionId = uuidv4();

      const userCredential = await createUserWithEmailAndPassword(
        auth,
        email,
        password
      );

      const user = userCredential.user;
      dataValues = { ...dataValues };
      const isPromotionalMebership = true;

      const res = await saveUserData(
        user.uid,
        dataValues,
        email,
        password,
        customerId,
        subscriptionCreated,
        subscriptionPeriodStart,
        subscriptionPeriodEnd,
        subscriptionId,
        isPromotionalMebership
      );

      setIsBusy(false);
      navigate("/dashboard");
    } catch (error) {
      console.log("Error handling request", error, error.message);
      setIsBusy(false);
      setNotice("Sorry, something went wrong. Please try again.");
    }
  }

  const handleTryItButton = (e) => {
    clickedTryItButton();
    setShowPromoModal(true);
  };

  const handleLogin = () => {
    navigate("/login");
  };

  const handleCancelModal = () => {
    setShowPromoModal(!showPromoModal);
    navigate("/signup");
  };

  const handleDemo = () => {
    const supReq = null;
    navigate("/requestpage/supReq");
  };

  const homeContent = (
    <div className="homepage-container">
      <section
        className="section-1"
        style={{
          backgroundImage: `url(https://imagedelivery.net/OvFc3s8IYmBw7-_bogeTLg/ee5222a0-7480-43ba-0f14-0ea482f31300/public)`,
          backgroundSize: "cover",
        }}
      >
        <div className="first-section-subcontainer">
          <div className="row upper-row-one">
            <div className="col-md-12 mobile-col-up">
              <div className="heading-one-container">
                <h1 className="heading-1">Novodraft: Legal AI</h1>
                <h1 className="heading-1-mobile">Novodraft</h1>
                <h1 className="heading-2-mobile">AI-Assisted Legal Drafting</h1>
                <h1 className="heading-2">
                  Draft documents faster <i>and </i> smarter
                </h1>
              </div>
              <div className="mobile-lower-header-1">
                <div className="mobile-lower-header-top">
                  <div className="mobile-sw-deck">Discovery requests</div>
                  <div className="mobile-sw-deck"> dramatically fast</div>
                  <div className="mobile-sw-reptwo">
                    <div className="ex-arca-two">Draft responses to</div>
                    <div className="ex-arca-two">demands in minutes</div>
                  </div>
                </div>
                <div className="mobile-lower-header-bottom">
                  <div className="mobile-lower-header-bottom-up"></div>
                  <div className="mobile-lower-header-bottom-down">
                    <Button
                      className="primary-button homepage-button"
                      labelText="Try It For Free"
                      onClick={handleTryItButton}
                    />
                  </div>
                </div>
              </div>
              <p className="text-block-1">
                Discovery requests dramatically fast – responses ready in
                minutes.
              </p>
              <p className="text-block-two">
                Reclaim hours every week. Spend more time growing your practice,
                or just get home in time for dinner.
              </p>
              <div className="try-it-button-box">
                <Button
                  className="primary-button homepage-button"
                  labelText="Try It For Free"
                  onClick={handleTryItButton}
                />
              </div>
            </div>
          </div>
        </div>
      </section>
      {/* Section 2 */}
      <section className="section-2">
        <div className="home-row">
          <div className="home-col-50">
            <div className="heading-2-mobile-box">
              <h2 className="heading-2-mobile">
                Made by Attorneys, for Attorneys
              </h2>
            </div>

            <div className="pad-2">
              <img
                src="https://imagedelivery.net/OvFc3s8IYmBw7-_bogeTLg/5f0f6f11-bb56-4f03-b05e-189d4f1a5600/public"
                alt="image of a laptop computer"
                className="img-2"
              />
            </div>
          </div>
          <div className="home-col-50">
            <div className="pad-2">
              <h2 className="heading-2">Made by Attorneys, for Attorneys.</h2>
              <div className="text-block-2-box">
                <p className="text-block-2">
                  Legal tech developed by people that understand what you need.
                </p>
              </div>

              <p className="section-two-body">
                Novodraft understands the demands on your time. For example,
                that discovery request on your desk. With a few clicks, and
                Novodraft's AI assistant on the task, you can draft a
                ready-to-serve response in minutes. It's as easy as uploading a
                .pdf file.
              </p>
              <p className="section-two-body">
                Novodraft cuts through a mire of rote tasks, but does much more
                than automate.
              </p>
              <p className="section-two-body">
                Intellidraft AI technology powers persuasive arguments and
                boosts bland, boilerplate objections. Configurable for level of
                authoritative citation and for infering factual context from
                pleadings and briefs. Use it to augment your drafting as much or
                as little as you prefer.
              </p>
              <div
                className="home-link-box"
                onClick={() => clickedExploreLink()}
              >
                <div className="explore-link">
                  Explore Novodraft
                  <img src={arrow} className="img-1" alt="" />
                </div>
              </div>
            </div>
          </div>
        </div>
      </section>
      {/* Section 3 */}
      <section className="section-3">
        <div className="section-three-header-box">
          <h2 className="section-three-header">
            AI-Powered Legal Drafting Technology{" "}
          </h2>
          <h2 className="section-three-header-mobile">
            Novo Drafting Technology
          </h2>
          <p className="section-three-subhead">
            Created by litigators to give you an edge.
          </p>
        </div>
        <div className="card-section-container">
          {/***********  CARD ONE *********** */}
          <div className="home-card">
            <div className="card-image-container">
              <img
                src="https://imagedelivery.net/OvFc3s8IYmBw7-_bogeTLg/5ff0ba9e-298f-4ee1-88d4-e19a44a00900/public"
                alt="ai hand"
                width="100%"
                className="card-image"
              />
            </div>
            <div className="card-body">
              <div className="card-upper-box">
                <div className="home-card-title">
                  <h3 className="foo-card-title">Discovery Requests</h3>
                  <div className="home-card-divider"></div>
                </div>
              </div>

              <div className="home-card-text-box">
                <p className="card-texts">
                  Generate interrogatories and requests for
                  production/admissions leveraging AI.
                </p>
                <p className="card-texts">
                  Edit or add special language with tags. Concise yet
                  comprehensive demands, done in minutes.
                </p>
              </div>
            </div>
          </div>
          {/***********  CARD TWO *********** */}
          <div className="home-card">
            <div className="card-image-container">
              <img
                src="https://imagedelivery.net/OvFc3s8IYmBw7-_bogeTLg/7a6dd50e-4d8f-4068-61b2-634dc5603f00/public"
                alt="scales image"
                width="100%"
                className="card-image"
              />
            </div>
            <div className="card-body">
              <div className="card-upper-box">
                <div className="home-card-title">
                  <h3 className="foo-card-title">Discovery Responses</h3>
                  <div className="home-card-divider"></div>
                </div>
              </div>

              <div className="home-card-text-box">
                <p className="card-texts">
                  Use Novodraft AI to quickly draft responses including
                  compelling arguments about what you withhold from disclosure.
                  Finish in minutes with a downloadable .docx file.
                </p>
              </div>
            </div>
          </div>
          {/***********  CARD THREE *********** */}
          <div className="home-card">
            <div className="card-image-container">
              <img
                src="https://imagedelivery.net/OvFc3s8IYmBw7-_bogeTLg/00667aa1-f847-430c-7a5e-d96abeed3300/public"
                alt=""
                className="card-image"
              />
            </div>
            <div className="card-body">
              <div className="card-upper-box">
                <div className="home-card-title">
                  <h3 className="foo-card-title">Proactive Alerts</h3>
                  <div className="home-card-divider"></div>
                </div>
              </div>
              <div className="home-card-text-box">
                <p className="card-texts">
                  Your dashboard displays important deadlines, alerts, and can
                  be configured to auto-draft documents with reminders for tasks
                  such as service or hearings.
                </p>
              </div>
            </div>
          </div>
        </div>
      </section>
      <section className="section-5 py-5">
        <div
          className="home-test-container"
          style={{
            backgroundImage: `url(https://imagedelivery.net/OvFc3s8IYmBw7-_bogeTLg/209dcf14-c086-42b4-ca72-f058d9ad1b00/public)`,
            backgroundSize: "cover",
          }}
        >
          <div className="row">
            <div className="col-md-6">
              <div className="bottom-header-box">
                <h4 className="heading-6">
                  Questions about our services? <br></br>
                  We're here to answer!
                </h4>
                <h4 className="heading-6-mobile">
                  Questions about our products and services?
                </h4>
                <h4 className="heading-6-mobile">We're here to answer!</h4>
              </div>
              <h6 className="join-heading">
                Novodraft will revolutionize your practice.
              </h6>
              <h6 className="join-heading">
                Request a demo - let us show you how.
              </h6>
              <h6 className="join-heading-mobile">
                Revolutionize your practice.
              </h6>
              <h6 className="join-heading-mobile">Let us show you how.</h6>
            </div>
            <div className="col-md-6 d-flex">
              <button className="button-2" onClick={handleDemo}>
                Request a demo
              </button>
              <button className="button-2" onClick={handleLogin}>
                Go to login
              </button>
            </div>
          </div>
        </div>
      </section>
      {showPromoModal ? (
        <ConfirmModal
          titleText="Enter Code"
          onCancel={handleCancelModal}
          buttonLabelText="Enter Code"
          isPromoModal={true}
          onConfirm={handleProcessPromoSubscription}
          cancelButtonText="I don't have a code"
        />
      ) : (
        <></>
      )}
    </div>
  );

  return isBusy ? (
    <LoadingSpinner message={""} loaderType="MoonLoader" />
  ) : (
    homeContent
  );
};

export default HomePage;