import { useState, useEffect } from "react";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { faClose, faPenToSquare } from "@fortawesome/free-solid-svg-icons";
import useAccountStore from "@/store/account";
import { AccountSettings } from "@/types/global";
import { toast } from "react-hot-toast";
import SettingsLayout from "@/layouts/SettingsLayout";
import TextInput from "@/components/TextInput";
import { resizeImage } from "@/lib/client/resizeImage";
import ProfilePhoto from "@/components/ProfilePhoto";
import SubmitButton from "@/components/SubmitButton";
import { useSession, signOut } from "next-auth/react";

export default function profile() {
  const { update, data } = useSession();

  const emailEnabled = process.env.NEXT_PUBLIC_EMAIL_PROVIDER;

  const [profileStatus, setProfileStatus] = useState(true);
  const [submitLoader, setSubmitLoader] = useState(false);

  const handleProfileStatus = (e: boolean) => {
    setProfileStatus(!e);
  };

  const { account, updateAccount } = useAccountStore();

  const [user, setUser] = useState<AccountSettings>({
    ...account,
  });

  useEffect(() => {
    setUser({ ...account });
  }, [account]);

  const handleImageUpload = async (e: any) => {
    const file: File = e.target.files[0];
    const fileExtension = file.name.split(".").pop()?.toLowerCase();
    const allowedExtensions = ["png", "jpeg", "jpg"];
    if (allowedExtensions.includes(fileExtension as string)) {
      const resizedFile = await resizeImage(file);
      if (
        resizedFile.size < 1048576 // 1048576 Bytes == 1MB
      ) {
        const reader = new FileReader();
        reader.onload = () => {
          setUser({ ...user, profilePic: reader.result as string });
        };
        reader.readAsDataURL(resizedFile);
      } else {
        toast.error("Please select a PNG or JPEG file thats less than 1MB.");
      }
    } else {
      toast.error("Invalid file format.");
    }
  };

  const submit = async () => {
    setSubmitLoader(true);

    const load = toast.loading("Applying...");

    const response = await updateAccount({
      ...user,
    });

    toast.dismiss(load);

    if (response.ok) {
      toast.success("Settings Applied!");

      if (user.email !== account.email) {
        update({
          id: data?.user.id,
        });

        signOut();
      } else if (
        user.username !== account.username ||
        user.name !== account.name
      )
        update({
          id: data?.user.id,
        });

      setUser({ ...user, newPassword: undefined });
    } else toast.error(response.data as string);
    setSubmitLoader(false);
  };

  return (
    <SettingsLayout>
      <div className="flex flex-col gap-3 justify-between sm:w-[35rem] w-80 mx-auto">
        <div className="grid sm:grid-cols-2 gap-3 auto-rows-auto">
          <div className="flex flex-col gap-3">
            <div>
              <p className="text-sm text-black dark:text-white mb-2">
                Display Name
              </p>
              <TextInput
                value={user.name || ""}
                onChange={(e) => setUser({ ...user, name: e.target.value })}
              />
            </div>
            <div>
              <p className="text-sm text-black dark:text-white mb-2">
                Username
              </p>
              <TextInput
                value={user.username || ""}
                onChange={(e) => setUser({ ...user, username: e.target.value })}
              />
            </div>

            {emailEnabled ? (
              <div>
                <p className="text-sm text-black dark:text-white mb-2">Email</p>
                <TextInput
                  value={user.email || ""}
                  onChange={(e) => setUser({ ...user, email: e.target.value })}
                />
              </div>
            ) : undefined}

            {user.email !== account.email ? (
              <p className="text-gray-500">
                You will need to log back in after you apply this Email.
              </p>
            ) : undefined}
          </div>

          <div className="sm:row-span-2 sm:justify-self-center mx-auto mb-3">
            <p className="text-sm text-black dark:text-white mb-2 text-center">
              Profile Photo
            </p>
            <div className="w-28 h-28 flex items-center justify-center rounded-full relative">
              <ProfilePhoto
                priority={true}
                src={user.profilePic}
                className="h-auto border-none w-28"
                status={handleProfileStatus}
              />
              {profileStatus && (
                <div
                  onClick={() =>
                    setUser({
                      ...user,
                      profilePic: "",
                    })
                  }
                  className="absolute top-1 left-1 w-5 h-5 flex items-center justify-center border p-1 border-slate-200 dark:border-neutral-700 rounded-full bg-white dark:bg-neutral-800 text-center select-none cursor-pointer duration-100 hover:text-red-500"
                >
                  <FontAwesomeIcon icon={faClose} className="w-3 h-3" />
                </div>
              )}
              <div className="absolute -bottom-3 left-0 right-0 mx-auto w-fit text-center">
                <label className="border border-slate-200 dark:border-neutral-700 rounded-md bg-white dark:bg-neutral-800 px-2 text-center select-none cursor-pointer duration-100 hover:border-sky-300 hover:dark:border-sky-600">
                  Browse...
                  <input
                    type="file"
                    name="photo"
                    id="upload-photo"
                    accept=".png, .jpeg, .jpg"
                    className="hidden"
                    onChange={handleImageUpload}
                  />
                </label>
              </div>
            </div>
          </div>
        </div>

        <SubmitButton
          onClick={submit}
          loading={submitLoader}
          label="Apply Settings"
          icon={faPenToSquare}
          className="mt-2 mx-auto lg:mx-0"
        />
      </div>
    </SettingsLayout>
  );
}