/* eslint-disable @next/next/no-img-element */
import Modal from "@/components/Modal";
import useStats from "@/hooks/useStats";
import useUsers from "@/hooks/useUsers";
import { User } from "@/interfaces/user";
import UserList from "@/pages/(admin)/Lists/UserList";
import { dateSorter } from "@/utils";
import moment from "moment";
import { useEffect, useState } from "react";
import {
  BsArrowLeft,
  BsPersonFill,
  BsBank,
  BsCurrencyDollar,
} from "react-icons/bs";
import UserCard from "@/components/UserCard";
import useGroups from "@/hooks/useGroups";

import IconCard from "./IconCard";
import usePaymentStatusUsers from "@/hooks/usePaymentStatusUsers";

interface Props {
  user: User;
}

export default function AgentDashboard({ user }: Props) {
  const [page, setPage] = useState("");
  const [selectedUser, setSelectedUser] = useState<User>();
  const [showModal, setShowModal] = useState(false);

  const { stats } = useStats();
  const { users, reload } = useUsers();
  const { groups } = useGroups(user.id);
  const { pending, done } = usePaymentStatusUsers();

  useEffect(() => {
    setShowModal(!!selectedUser && page === "");
  }, [selectedUser, page]);

  const corporateFilter = (user: User) => user.type === "corporate";
  const referredCorporateFilter = (x: User) =>
    x.type === "corporate" &&
    !!x.corporateInformation &&
    x.corporateInformation.referralAgent === user.id;
  const inactiveReferredCorporateFilter = (x: User) =>
    referredCorporateFilter(x) &&
    (x.status === "disabled" || moment().isAfter(x.subscriptionExpirationDate));

  const UserDisplay = ({
    displayUser,
    allowClick = true,
  }: {
    displayUser: User;
    allowClick?: boolean;
  }) => (
    <div
      onClick={() => allowClick && setSelectedUser(displayUser)}
      className="flex w-full p-4 gap-4 items-center hover:bg-mti-purple-ultralight cursor-pointer transition ease-in-out duration-300"
    >
      <img
        src={displayUser.profilePicture}
        alt={displayUser.name}
        className="rounded-full w-10 h-10"
      />
      <div className="flex flex-col gap-1 items-start">
        <span>
          {displayUser.type === "corporate"
            ? displayUser.corporateInformation?.companyInformation?.name ||
              displayUser.name
            : displayUser.name}
        </span>
        <span className="text-sm opacity-75">{displayUser.email}</span>
      </div>
    </div>
  );

  const ReferredCorporateList = () => {
    return (
      <UserList
        user={user}
        filters={[referredCorporateFilter]}
        renderHeader={(total) => (
          <div className="flex flex-col gap-4">
            <div
              onClick={() => setPage("")}
              className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300"
            >
              <BsArrowLeft className="text-xl" />
              <span>Back</span>
            </div>
            <h2 className="text-2xl font-semibold">
              Referred Corporate ({total})
            </h2>
          </div>
        )}
      />
    );
  };

  const InactiveReferredCorporateList = () => {
    return (
      <UserList
        user={user}
        filters={[inactiveReferredCorporateFilter]}
        renderHeader={(total) => (
          <div className="flex flex-col gap-4">
            <div
              onClick={() => setPage("")}
              className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300"
            >
              <BsArrowLeft className="text-xl" />
              <span>Back</span>
            </div>
            <h2 className="text-2xl font-semibold">
              Inactive Referred Corporate ({total})
            </h2>
          </div>
        )}
      />
    );
  };

  const CorporateList = () => {
    const filter = (x: User) => x.type === "corporate";

    return (
      <UserList
        user={user}
        filters={[filter]}
        renderHeader={(total) => (
          <div className="flex flex-col gap-4">
            <div
              onClick={() => setPage("")}
              className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300"
            >
              <BsArrowLeft className="text-xl" />
              <span>Back</span>
            </div>
            <h2 className="text-2xl font-semibold">Corporate ({total})</h2>
          </div>
        )}
      />
    );
  };

  const CorporatePaidStatusList = ({ paid }: { paid: Boolean }) => {
    const list = paid ? done : pending;
    const filter = (x: User) => x.type === "corporate" && list.includes(x.id);

    return (
      <UserList
        user={user}
        filters={[filter]}
        renderHeader={(total) => (
          <div className="flex flex-col gap-4">
            <div
              onClick={() => setPage("")}
              className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300"
            >
              <BsArrowLeft className="text-xl" />
              <span>Back</span>
            </div>
            <h2 className="text-2xl font-semibold">
              {paid ? "Payment Done" : "Pending Payment"} ({total})
            </h2>
          </div>
        )}
      />
    );
  };

  const DefaultDashboard = () => (
    <>
      <section className="flex flex-wrap gap-2 items-center -lg:justify-center lg:gap-4 text-center">
        <IconCard
          onClick={() => setPage("referredCorporate")}
          Icon={BsBank}
          label="Referred Corporate"
          value={users.filter(referredCorporateFilter).length}
          color="purple"
        />
        <IconCard
          onClick={() => setPage("inactiveReferredCorporate")}
          Icon={BsBank}
          label="Inactive Referred Corporate"
          value={users.filter(inactiveReferredCorporateFilter).length}
          color="rose"
        />
        <IconCard
          onClick={() => setPage("corporate")}
          Icon={BsBank}
          label="Corporate"
          value={users.filter(corporateFilter).length}
          color="purple"
        />
        <IconCard
          onClick={() => setPage("paymentdone")}
          Icon={BsCurrencyDollar}
          label="Payment Done"
          value={done.length}
          color="purple"
        />
        <IconCard
          onClick={() => setPage("paymentpending")}
          Icon={BsCurrencyDollar}
          label="Pending Payment"
          value={pending.length}
          color="rose"
        />
      </section>

      <section className="grid grid-cols-1 md:grid-cols-2 gap-4 w-full justify-between">
        <div className="bg-white shadow flex flex-col rounded-xl w-full">
          <span className="p-4">Latest Referred Corporate</span>
          <div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
            {users
              .filter(referredCorporateFilter)
              .sort((a, b) => dateSorter(a, b, "desc", "registrationDate"))
              .map((x) => (
                <UserDisplay key={x.id} displayUser={x} />
              ))}
          </div>
        </div>
        <div className="bg-white shadow flex flex-col rounded-xl w-full">
          <span className="p-4">Latest corporate</span>
          <div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
            {users
              .filter(corporateFilter)
              .sort((a, b) => dateSorter(a, b, "desc", "registrationDate"))
              .map((x) => (
                <UserDisplay key={x.id} displayUser={x} allowClick={false} />
              ))}
          </div>
        </div>
        <div className="bg-white shadow flex flex-col rounded-xl w-full">
          <span className="p-4">Referenced corporate expiring in 1 month</span>
          <div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
            {users
              .filter(
                (x) =>
                  referredCorporateFilter(x) &&
                  moment().isAfter(
                    moment(x.subscriptionExpirationDate).subtract(30, "days")
                  ) &&
                  moment().isBefore(moment(x.subscriptionExpirationDate))
              )
              .map((x) => (
                <UserDisplay key={x.id} displayUser={x} />
              ))}
          </div>
        </div>
      </section>
    </>
  );

  return (
    <>
      <Modal isOpen={showModal} onClose={() => setSelectedUser(undefined)}>
        <>
          {selectedUser && (
            <div className="w-full flex flex-col gap-8">
              <UserCard
                loggedInUser={user}
                onClose={(shouldReload) => {
                  setSelectedUser(undefined);
                  if (shouldReload) reload();
                }}
                onViewStudents={
                  selectedUser.type === "corporate" ||
                  selectedUser.type === "teacher"
                    ? () => setPage("students")
                    : undefined
                }
                onViewTeachers={
                  selectedUser.type === "corporate"
                    ? () => setPage("teachers")
                    : undefined
                }
                user={selectedUser}
              />
            </div>
          )}
        </>
      </Modal>
      {page === "referredCorporate" && <ReferredCorporateList />}
      {page === "corporate" && <CorporateList />}
      {page === "inactiveReferredCorporate" && (
        <InactiveReferredCorporateList />
      )}
      {page === "paymentdone" && <CorporatePaidStatusList paid={true} />}
      {page === "paymentpending" && <CorporatePaidStatusList paid={false} />}
      {page === "" && <DefaultDashboard />}
    </>
  );
}