'use client'
import perpustakaanDigitalState from '@/app/admin/(dashboard)/_state/pendidikan/perpustakaan-digital';
import colors from '@/con/colors';
import { Box, Button, Loader, Group, Paper, Stack, Text, TextInput, Title } from '@mantine/core';
import { IconArrowBack } from '@tabler/icons-react';
import { useRouter } from 'next/navigation';
import { useState } from 'react';
import { toast } from 'react-toastify';
import { useProxy } from 'valtio/utils';

function CreateKategoriBuku() {
  const createState = useProxy(perpustakaanDigitalState.kategoriBuku)
  const router = useRouter();
  const [isSubmitting, setIsSubmitting] = useState(false);

  // Check if form is valid
  const isFormValid = () => {
    return createState.create.form.name?.trim() !== '';
  };

  const resetForm = () => {
    createState.create.form = {
      name: "",
    };
  };

  const handleSubmit = async () => {
    try {
      setIsSubmitting(true);
      await createState.create.create();
      resetForm();
      router.push("/admin/pendidikan/perpustakaan-digital/kategori-buku");
    } catch (error) {
      console.error("Error creating kategori buku:", error);
      toast.error("Terjadi kesalahan saat menambahkan kategori buku");
    } finally {
      setIsSubmitting(false);
    }
  };

  return (
    <Box px={{ base: 0, md: 'lg' }} py="xs">
      {/* Header */}
      <Group mb="md">
        <Button variant="subtle" onClick={() => router.back()} p="xs" radius="md">
          <IconArrowBack color={colors['blue-button']} size={24} />
        </Button>
        <Title order={4} ml="sm" c="dark">
          Tambah Kategori Buku
        </Title>
      </Group>

      {/* Form Paper */}
      <Paper
        w={{ base: '100%', md: '50%' }}
        bg={colors['white-1']}
        p="lg"
        radius="md"
        shadow="sm"
        style={{ border: '1px solid #e0e0e0' }}
      >
        <Stack gap="md">
          <TextInput
            label={<Text fw="bold" fz="sm">Nama Kategori Buku</Text>}
            placeholder='Masukkan nama kategori buku'
            value={createState.create.form.name}
            onChange={(val) => {
              createState.create.form.name = val.target.value;
            }}
            required
          />

          <Group justify="right">
            <Button
              variant="outline"
              color="gray"
              radius="md"
              size="md"
              onClick={resetForm}
            >
              Reset
            </Button>

            {/* Tombol Simpan */}
            <Button
              onClick={handleSubmit}
              radius="md"
              size="md"
              disabled={!isFormValid() || isSubmitting}
              style={{
                background: !isFormValid() || isSubmitting
                  ? `linear-gradient(135deg, #cccccc, #eeeeee)`
                  : `linear-gradient(135deg, ${colors['blue-button']}, #4facfe)`,
                color: '#fff',
                boxShadow: '0 4px 15px rgba(79, 172, 254, 0.4)',
              }}
            >
              {isSubmitting ? <Loader size="sm" color="white" /> : 'Simpan'}
            </Button>
          </Group>
        </Stack>
      </Paper>
    </Box>
  );
}

export default CreateKategoriBuku;
