/* eslint-disable @next/next/no-img-element */
import Head from "next/head";
import { withIronSessionSsr } from "iron-session/next";
import { sessionOptions } from "@/lib/session";
import { ToastContainer } from "react-toastify";
import Layout from "@/components/High/Layout";
import CodeGenerator from "./(admin)/CodeGenerator";
import ExamLoader from "./(admin)/ExamLoader";
import { Tab } from "@headlessui/react";
import clsx from "clsx";
import Lists from "./(admin)/Lists";
import BatchCodeGenerator from "./(admin)/BatchCodeGenerator";
import { shouldRedirectHome } from "@/utils/navigation.disabled";
import ExamGenerator from "./(admin)/ExamGenerator";
import BatchCreateUser from "./(admin)/BatchCreateUser";
import { checkAccess, getTypesOfUser } from "@/utils/permissions";
import usePermissions from "@/hooks/usePermissions";
import { useState } from "react";
import Modal from "@/components/Modal";
import IconCard from "@/dashboards/IconCard";
import { BsCode, BsCodeSquare, BsGearFill, BsPeopleFill, BsPersonFill } from "react-icons/bs";
import UserCreator from "./(admin)/UserCreator";
import CorporateGradingSystem from "./(admin)/CorporateGradingSystem";
import useGradingSystem from "@/hooks/useGrading";
import { CEFR_STEPS } from "@/resources/grading";
import { User } from "@/interfaces/user";
import { getUserPermissions } from "@/utils/permissions.be";
import { Permission, PermissionType } from "@/interfaces/permissions";
import { getUsers } from "@/utils/users.be";
import useUsers from "@/hooks/useUsers";
import { getEntitiesWithRoles, getEntityWithRoles } from "@/utils/entities.be";
import { mapBy, serialize, redirect } from "@/utils";
import { EntityWithRoles } from "@/interfaces/entity";
import { requestUser } from "@/utils/api";
import { isAdmin } from "@/utils/users";

export const getServerSideProps = withIronSessionSsr(async ({ req, res }) => {
	const user = await requestUser(req, res)
	if (!user) return redirect("/login")

  if (shouldRedirectHome(user) || !checkAccess(user, ["admin", "developer", "corporate", "teacher", "mastercorporate"]))
    return redirect("/")

  const permissions = await getUserPermissions(user.id);
  const entities = isAdmin(user) ? await getEntitiesWithRoles() : await getEntitiesWithRoles(mapBy(user.entities, 'id'))

  return {
    props: serialize({ user, permissions, entities }),
  };
}, sessionOptions);

interface Props {
  user: User;
  permissions: PermissionType[];
  entities: EntityWithRoles[]
}

export default function Admin({ user, entities, permissions }: Props) {
  const { gradingSystem, mutate } = useGradingSystem();
  const { users } = useUsers();

  const [modalOpen, setModalOpen] = useState<string>();

  return (
    <>
      <Head>
        <title>Settings Panel | EnCoach</title>
        <meta
          name="description"
          content="A training platform for the IELTS exam provided by the Muscat Training Institute and developed by eCrop."
        />
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <link rel="icon" href="/favicon.ico" />
      </Head>
      <ToastContainer />
      <Layout user={user} className="gap-6">
        <Modal isOpen={modalOpen === "batchCreateUser"} onClose={() => setModalOpen(undefined)}>
          <BatchCreateUser user={user} entities={entities}  users={users} permissions={permissions} onFinish={() => setModalOpen(undefined)} />
        </Modal>
        <Modal isOpen={modalOpen === "batchCreateCode"} onClose={() => setModalOpen(undefined)}>
          <BatchCodeGenerator user={user} users={users} permissions={permissions} onFinish={() => setModalOpen(undefined)} />
        </Modal>
        <Modal isOpen={modalOpen === "createCode"} onClose={() => setModalOpen(undefined)}>
          <CodeGenerator user={user} permissions={permissions} onFinish={() => setModalOpen(undefined)} />
        </Modal>
        <Modal isOpen={modalOpen === "createUser"} onClose={() => setModalOpen(undefined)}>
          <UserCreator user={user} entities={entities} users={users} permissions={permissions} onFinish={() => setModalOpen(undefined)} />
        </Modal>
        <Modal isOpen={modalOpen === "gradingSystem"} onClose={() => setModalOpen(undefined)}>
          <CorporateGradingSystem
            user={user}
            defaultSteps={gradingSystem?.steps || CEFR_STEPS}
            mutate={(steps) => {
              mutate({ user: user.id, steps });
              setModalOpen(undefined);
            }}
          />
        </Modal>

        <section className="w-full grid grid-cols-2 -md:grid-cols-1 gap-8">
          <ExamLoader />
          {checkAccess(user, getTypesOfUser(["teacher"]), permissions, "viewCodes") && (
            <div className="w-full grid grid-cols-2 gap-4">
              <IconCard
                Icon={BsCode}
                label="Generate Single Code"
                color="purple"
                className="w-full h-full"
                onClick={() => setModalOpen("createCode")}
              />
              <IconCard
                Icon={BsCodeSquare}
                label="Generate Codes in Batch"
                color="purple"
                className="w-full h-full"
                onClick={() => setModalOpen("batchCreateCode")}
              />
              <IconCard
                Icon={BsPersonFill}
                label="Create Single User"
                color="purple"
                className="w-full h-full"
                onClick={() => setModalOpen("createUser")}
              />
              <IconCard
                Icon={BsPeopleFill}
                label="Create Users in Batch"
                color="purple"
                className="w-full h-full"
                onClick={() => setModalOpen("batchCreateUser")}
              />
              {checkAccess(user, ["admin", "corporate", "developer", "mastercorporate"]) && (
                <IconCard
                  Icon={BsGearFill}
                  label="Grading System"
                  color="purple"
                  className="w-full h-full col-span-2"
                  onClick={() => setModalOpen("gradingSystem")}
                />
              )}
            </div>
          )}
        </section>
        <section className="w-full">
          <Lists user={user} entities={entities} permissions={permissions} />
        </section>
      </Layout>
    </>
  );
}
