import React, { useEffect, useState } from "react";

import Image from "next/image";
import { useRouter } from "next/router";

import useSWR, { mutate } from "swr";

// react-hook-form
import { Controller, useForm } from "react-hook-form";
// react-dropzone
import Dropzone from "react-dropzone";
// icons
import { LinkIcon } from "@heroicons/react/24/outline";
// lib
import { requiredWorkspaceAdmin } from "lib/auth";
// services
import workspaceService from "services/workspace.service";
import fileServices from "services/file.service";
// layouts
import AppLayout from "layouts/app-layout";
// hooks
import useToast from "hooks/use-toast";
// components
import { ImageUploadModal } from "components/core";
import ConfirmWorkspaceDeletion from "components/workspace/confirm-workspace-deletion";
// ui
import { Spinner, Button, Input, CustomSelect } from "components/ui";
import { BreadcrumbItem, Breadcrumbs } from "components/breadcrumbs";
import OutlineButton from "components/ui/outline-button";
// helpers
import { copyTextToClipboard } from "helpers/string.helper";
// types
import type { IWorkspace } from "types";
import type { GetServerSideProps, NextPage } from "next";
// fetch-keys
import { WORKSPACE_DETAILS, USER_WORKSPACES } from "constants/fetch-keys";
// constants
import { COMPANY_SIZE } from "constants/workspace";

const defaultValues: Partial<IWorkspace> = {
  name: "",
  url: "",
  company_size: null,
  logo: null,
};

type TWorkspaceSettingsProps = {
  isOwner: boolean;
  isMember: boolean;
  isViewer: boolean;
  isGuest: boolean;
};

const WorkspaceSettings: NextPage<TWorkspaceSettingsProps> = (props) => {
  const [isOpen, setIsOpen] = useState(false);
  const [image, setImage] = useState<File | null>(null);
  const [isImageUploading, setIsImageUploading] = useState(false);
  const [isImageUploadModalOpen, setIsImageUploadModalOpen] = useState(false);

  const {
    query: { workspaceSlug },
  } = useRouter();
  const { setToastAlert } = useToast();

  const { data: activeWorkspace } = useSWR(
    workspaceSlug ? WORKSPACE_DETAILS(workspaceSlug as string) : null,
    () => (workspaceSlug ? workspaceService.getWorkspace(workspaceSlug as string) : null)
  );

  const {
    register,
    handleSubmit,
    control,
    reset,
    watch,
    setValue,
    formState: { errors, isSubmitting },
  } = useForm<IWorkspace>({
    defaultValues: { ...defaultValues, ...activeWorkspace },
  });

  useEffect(() => {
    if (activeWorkspace) reset({ ...activeWorkspace });
  }, [activeWorkspace, reset]);

  const onSubmit = async (formData: IWorkspace) => {
    if (!activeWorkspace) return;

    const payload: Partial<IWorkspace> = {
      logo: formData.logo,
      name: formData.name,
      company_size: formData.company_size,
    };

    await workspaceService
      .updateWorkspace(activeWorkspace.slug, payload)
      .then((res) => {
        mutate<IWorkspace[]>(USER_WORKSPACES, (prevData) =>
          prevData?.map((workspace) => (workspace.id === res.id ? res : workspace))
        );
        setToastAlert({
          title: "Success",
          type: "success",
          message: "Workspace updated successfully",
        });
      })
      .catch((err) => console.error(err));
  };

  return (
    <AppLayout
      settingsLayout="workspace"
      memberType={props}
      meta={{
        title: "Plane - Workspace Settings",
      }}
      breadcrumbs={
        <Breadcrumbs>
          <BreadcrumbItem title={`${activeWorkspace?.name ?? "Workspace"} Settings`} />
        </Breadcrumbs>
      }
    >
      <ImageUploadModal
        isOpen={isImageUploadModalOpen}
        onClose={() => setIsImageUploadModalOpen(false)}
        onSuccess={() => {
          setIsImageUploadModalOpen(false);
          handleSubmit(onSubmit)();
        }}
        value={watch("logo")}
      />
      <ConfirmWorkspaceDeletion
        isOpen={isOpen}
        onClose={() => {
          setIsOpen(false);
        }}
        data={activeWorkspace ?? null}
      />
      {activeWorkspace ? (
        <div className="space-y-8">
          <div>
            <h3 className="text-3xl font-bold leading-6 text-gray-900">General</h3>
            <p className="mt-4 text-sm text-gray-500">
              This information will be displayed to every member of the workspace.
            </p>
          </div>
          <div className="grid grid-cols-1 gap-x-16 gap-y-8 lg:grid-cols-12">
            <div className="col-span lg:col-span-5">
              <h4 className="text-md mb-1 leading-6 text-gray-900">Logo</h4>
              <div className="flex w-full gap-2">
                <Dropzone
                  multiple={false}
                  accept={{
                    "image/*": [],
                  }}
                  onDrop={(files) => {
                    setImage(files[0]);
                  }}
                >
                  {({ getRootProps, getInputProps }) => (
                    <div>
                      <input {...getInputProps()} />
                      <div {...getRootProps()}>
                        {(watch("logo") && watch("logo") !== null && watch("logo") !== "") ||
                        (image && image !== null) ? (
                          <div className="relative mx-auto flex h-12 w-12">
                            <Image
                              src={image ? URL.createObjectURL(image) : watch("logo") ?? ""}
                              alt="Workspace Logo"
                              objectFit="cover"
                              layout="fill"
                              className="rounded-md"
                              priority
                            />
                          </div>
                        ) : (
                          <div className="relative flex h-12 w-12 items-center justify-center rounded bg-gray-700 p-4 uppercase text-white">
                            {activeWorkspace?.name?.charAt(0) ?? "N"}
                          </div>
                        )}
                      </div>
                    </div>
                  )}
                </Dropzone>
                <div>
                  <p className="mb-2 text-sm text-gray-500">
                    Max file size is 5MB. Supported file types are .jpg and .png.
                  </p>
                  <Button
                    onClick={() => {
                      if (image === null) return;
                      setIsImageUploading(true);
                      const formData = new FormData();
                      formData.append("asset", image);
                      formData.append("attributes", JSON.stringify({}));
                      fileServices
                        .uploadFile(workspaceSlug as string, formData)
                        .then((response) => {
                          const imageUrl = response.asset;
                          setValue("logo", imageUrl);
                          handleSubmit(onSubmit)();
                          setIsImageUploading(false);
                        })
                        .catch(() => {
                          setIsImageUploading(false);
                        });
                    }}
                  >
                    {isImageUploading ? "Uploading..." : "Upload"}
                  </Button>
                </div>
              </div>
            </div>
            <div className="lg:col-span-5">
              <div className="mb-3 flex items-end justify-between gap-2">
                <div>
                  <h4 className="text-md mb-1 leading-6 text-gray-900">URL</h4>
                  <p className="text-sm text-gray-500">Give a name to your workspace.</p>
                </div>
                <Button
                  type="button"
                  theme="secondary"
                  className="h-min"
                  onClick={() =>
                    copyTextToClipboard(`https://app.plane.so/${activeWorkspace.slug}`)
                      .then(() => {
                        setToastAlert({
                          type: "success",
                          title: "Workspace link copied to clipboard",
                        });
                      })
                      .catch(() => {
                        setToastAlert({
                          type: "error",
                          title: "Some error occurred",
                        });
                      })
                  }
                >
                  <LinkIcon className="h-3.5 w-3.5" />
                </Button>
              </div>
              <Input
                id="url"
                name="url"
                autoComplete="off"
                register={register}
                error={errors.name}
                className="w-full"
                value={`app.plane.so/${activeWorkspace.slug}`}
                disabled
              />
            </div>
            <div className="lg:col-span-5">
              <h4 className="text-md mb-1 leading-6 text-gray-900">Name</h4>
              <p className="mb-3 text-sm text-gray-500">Give a name to your workspace.</p>
              <Input
                id="name"
                name="name"
                placeholder="Name"
                autoComplete="off"
                register={register}
                error={errors.name}
                validations={{
                  required: "Name is required",
                }}
                className="w-full"
              />
            </div>
            <div className="lg:col-span-5">
              <h4 className="text-md mb-1 leading-6 text-gray-900">Company Size</h4>
              <p className="mb-3 text-sm text-gray-500">How big is your company?</p>
              <Controller
                name="company_size"
                control={control}
                render={({ field: { value, onChange } }) => (
                  <CustomSelect
                    value={value}
                    onChange={onChange}
                    label={value ? value.toString() : "Select company size"}
                    input
                  >
                    {COMPANY_SIZE?.map((item) => (
                      <CustomSelect.Option key={item.value} value={item.value}>
                        {item.label}
                      </CustomSelect.Option>
                    ))}
                  </CustomSelect>
                )}
              />
            </div>
            <div className="col-span-full">
              <Button onClick={handleSubmit(onSubmit)} disabled={isSubmitting}>
                {isSubmitting ? "Updating..." : "Update Workspace"}
              </Button>
            </div>
            <div className="space-y-8 lg:col-span-10">
              <div>
                <h4 className="text-md mb-1 leading-6 text-gray-900">Danger Zone</h4>
                <p className="mb-3 text-sm text-gray-500">
                  The danger zone of the workspace delete page is a critical area that requires
                  careful consideration and attention. When deleting a workspace, all of the data
                  and resources within that workspace will be permanently removed and cannot be
                  recovered.
                </p>
              </div>
              <div>
                <OutlineButton theme="danger" onClick={() => setIsOpen(true)}>
                  Delete the workspace
                </OutlineButton>
              </div>
            </div>
          </div>
        </div>
      ) : (
        <div className="grid h-full w-full place-items-center px-4 sm:px-0">
          <Spinner />
        </div>
      )}
    </AppLayout>
  );
};

export const getServerSideProps: GetServerSideProps = async (ctx) => {
  const workspaceSlug = ctx.params?.workspaceSlug as string;

  const memberDetail = await requiredWorkspaceAdmin(workspaceSlug, ctx.req.headers.cookie);

  if (memberDetail === null) {
    return {
      redirect: {
        destination: "/",
        permanent: false,
      },
    };
  }

  return {
    props: {
      isOwner: memberDetail?.role === 20,
      isMember: memberDetail?.role === 15,
      isViewer: memberDetail?.role === 10,
      isGuest: memberDetail?.role === 5,
    },
  };
};

export default WorkspaceSettings;