import { zodResolver } from '@hookform/resolvers/zod';
import Image from 'next/image';
import { useTranslations } from 'next-intl';
import { useState } from 'react';
import { useForm } from 'react-hook-form';
import { toast } from 'sonner';

import { Button } from '@/components/ui/common/Button';
import {
  Dialog,
  DialogContent,
  DialogFooter,
  DialogHeader,
  DialogTitle,
  DialogTrigger,
} from '@/components/ui/common/Dialog';
import {
  Form,
  FormControl,
  FormDescription,
  FormField,
  FormItem,
  FormLabel,
} from '@/components/ui/common/Form';
import {
  InputOTP,
  InputOTPGroup,
  InputOTPSlot,
} from '@/components/ui/common/InputOTP';
import {
  useEnableTotpMutation,
  useGenerateTotpSecretQuery,
} from '@/graphql/generated/output';
import { useCurrent } from '@/hooks/useCurrent';
import {
  type TypeEnableTotpSchema,
  enableTotpSchema,
} from '@/schemas/user/enable-totp.schema';

export const EnableTotp = () => {
  const t = useTranslations('dashboard.settings.account.twoFactor.enable');

  const [isOpen, setIsOpen] = useState(false);
  const { refetch } = useCurrent();

  const { data, loading: isLoadingGenerate } = useGenerateTotpSecretQuery();
  const twoFactorAuth = data?.generateTotpSecret;

  const form = useForm<TypeEnableTotpSchema>({
    resolver: zodResolver(enableTotpSchema),
    defaultValues: {
      pin: '',
    },
  });

  const [enable, { loading: isLoadingEnable }] = useEnableTotpMutation({
    onCompleted() {
      void refetch();
      setIsOpen(false);
      toast.success(t('successMessage'));
    },
    onError() {
      toast.error(t('errorMessage'));
    },
  });

  const { isValid } = form.formState;

  function onSubmit(values: TypeEnableTotpSchema) {
    void enable({
      variables: {
        data: {
          secret: twoFactorAuth?.secret ?? '',
          pin: values.pin,
        },
      },
    });
  }

  return (
    <Dialog open={isOpen} onOpenChange={setIsOpen}>
      <DialogTrigger asChild>
        <Button>
          {t('trigger')}
        </Button>
      </DialogTrigger>

      <DialogContent className="sm:max-w-md">
        <DialogHeader>
          <DialogTitle>
            {t('heading')}
          </DialogTitle>
        </DialogHeader>

        <Form {...form}>
          <form
            className="flex flex-col gap-4"
            onSubmit={form.handleSubmit(onSubmit)}
          >
            <div className="flex flex-col items-center justify-center gap-4">
              <span className="text-sm text-muted-foreground">
                {twoFactorAuth?.qrcodeUrl
                  ? t('qrInstructions')
                  : ''}
              </span>

              <Image
                alt="QR"
                className="rounded-lg"
                height={300}
                src={twoFactorAuth?.qrcodeUrl ?? ''}
                width={300}
              />
            </div>

            <div className="flex flex-col gap-2">
              <span className="text-center text-sm text-muted-foreground">
                {twoFactorAuth?.secret
                  ? t('secretCodeLabel')
                  + twoFactorAuth.secret
                  : ''}
              </span>
            </div>

            <FormField
              control={form.control}
              name="pin"
              render={({ field }) => (
                <FormItem className="flex flex-col justify-center max-sm:items-center">
                  <FormLabel>
                    {t('pinLabel')}
                  </FormLabel>

                  <FormControl>
                    <InputOTP maxLength={6} {...field}>
                      <InputOTPGroup>
                        <InputOTPSlot index={0} />

                        <InputOTPSlot index={1} />

                        <InputOTPSlot index={2} />

                        <InputOTPSlot index={3} />

                        <InputOTPSlot index={4} />

                        <InputOTPSlot index={5} />
                      </InputOTPGroup>
                    </InputOTP>
                  </FormControl>

                  <FormDescription>
                    {t('pinDescription')}
                  </FormDescription>
                </FormItem>
              )}
            />

            <DialogFooter>
              <Button
                disabled={
                  !isValid
                  || isLoadingGenerate
                  || isLoadingEnable
                }
                type="submit"
              >
                {t('submitButton')}
              </Button>
            </DialogFooter>
          </form>
        </Form>
      </DialogContent>
    </Dialog>
  );
};