/* eslint-disable react-hooks/exhaustive-deps */
'use client';

import apbdes from '@/app/admin/(dashboard)/_state/landing-page/apbdes';
import colors from '@/con/colors';
import ApiFetch from '@/lib/api-fetch';
import {
  Box,
  Button,
  Group,
  Image,
  Paper,
  Stack,
  Text,
  TextInput,
  Title,
  Tooltip,
} from '@mantine/core';
import { Dropzone } from '@mantine/dropzone';
import { IconArrowBack, IconFile, IconPhoto, IconUpload, IconX } from '@tabler/icons-react';
import { useParams, useRouter } from 'next/navigation';
import { useEffect, useState } from 'react';
import { toast } from 'react-toastify';
import { useProxy } from 'valtio/utils';

function EditAPBDes() {
  const apbdesState = useProxy(apbdes);
  const router = useRouter();
  const params = useParams();

  const [previewImage, setPreviewImage] = useState<string | null>(null);
  const [previewDoc, setPreviewDoc] = useState<string | null>(null);
  const [imageFile, setImageFile] = useState<File | null>(null);
  const [docFile, setDocFile] = useState<File | null>(null);
  const [formData, setFormData] = useState({
    name: apbdesState.edit.form.name || '',
    jumlah: apbdesState.edit.form.jumlah || '',
    imageId: apbdesState.edit.form.imageId || '',
    fileId: apbdesState.edit.form.fileId || ''
  });

  // Load APBDes data by id
  useEffect(() => {
    const loadAPBDes = async () => {
      const id = params?.id as string;
      if (!id) return;

      try {
        const data = await apbdesState.edit.load(id);
        if (data) {
          setFormData({
            name: data.name || '',
            jumlah: data.jumlah || '',
            imageId: data.imageId || '',
            fileId: data.fileId || ''
          });
          
          if (data.image?.link) setPreviewImage(data.image.link);
          if (data.file?.link) setPreviewDoc(data.file.link);
        }
      } catch (error) {
        console.error('Error loading APBDes:', error);
        toast.error('Gagal memuat data APBDes');
      }
    };

    loadAPBDes();
  }, [params?.id]);

  const handleSubmit = async () => {
    try {
      // Update global state with form data
      apbdesState.edit.form = {
        ...apbdesState.edit.form,
        ...formData,
      };

      // Upload new image if exists
      if (imageFile) {
        const res = await ApiFetch.api.fileStorage.create.post({ 
          file: imageFile, 
          name: imageFile.name 
        });
        const uploaded = res.data?.data;

        if (!uploaded?.id) {
          return toast.error('Gagal upload gambar');
        }

        apbdesState.edit.form.imageId = uploaded.id;
      }

      // Upload new document if exists
      if (docFile) {
        const res = await ApiFetch.api.fileStorage.create.post({ 
          file: docFile, 
          name: docFile.name 
        });
        const uploaded = res.data?.data;

        if (!uploaded?.id) {
          return toast.error('Gagal upload dokumen');
        }

        apbdesState.edit.form.fileId = uploaded.id;
      }

      await apbdesState.edit.update();
      toast.success('APBDes berhasil diperbarui!');
      router.push('/admin/landing-page/apbdes');
    } catch (error) {
      console.error('Error updating APBDes:', error);
      toast.error('Terjadi kesalahan saat memperbarui APBDes');
    }
  };

  return (
    <Box px={{ base: 'sm', md: 'lg' }} py="md">
      <Group mb="md">
        <Tooltip label="Kembali ke halaman sebelumnya" withArrow>
          <Button variant="subtle" onClick={() => router.back()} p="xs" radius="md">
            <IconArrowBack color={colors['blue-button']} size={24} />
          </Button>
        </Tooltip>
        <Title order={4} ml="sm" c="dark">
          Edit APBDes
        </Title>
      </Group>

      <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="Nama APBDes"
            placeholder="Masukkan nama APBDes"
            value={formData.name}
            onChange={(e) => setFormData({ ...formData, name: e.target.value })}
            required
          />

          <TextInput
            label="Jumlah Anggaran"
            placeholder="Masukkan jumlah anggaran"
            value={formData.jumlah}
            onChange={(e) => setFormData({ ...formData, jumlah: e.target.value })}
            required
          />

          <Box>
            <Text fw="bold" fz="sm" mb={6}>
              Gambar APBDes
            </Text>
            <Dropzone
              onDrop={(files) => {
                const selectedFile = files[0];
                if (selectedFile) {
                  setImageFile(selectedFile);
                  setPreviewImage(URL.createObjectURL(selectedFile));
                }
              }}
              onReject={() => toast.error('File tidak valid, gunakan format gambar')}
              maxSize={5 * 1024 ** 2}
              accept={{ 'image/*': [] }}
              radius="md"
              p="xl"
            >
              <Group justify="center" gap="xl" mih={180}>
                <Dropzone.Accept>
                  <IconUpload size={48} color={colors['blue-button']} stroke={1.5} />
                </Dropzone.Accept>
                <Dropzone.Reject>
                  <IconX size={48} color="red" stroke={1.5} />
                </Dropzone.Reject>
                <Dropzone.Idle>
                  <IconPhoto size={48} color="#868e96" stroke={1.5} />
                </Dropzone.Idle>
                <Stack gap="xs" align="center">
                  <Text size="md" fw={500}>
                    Seret gambar atau klik untuk memilih file
                  </Text>
                  <Text size="sm" c="dimmed">
                    Maksimal 5MB, format gambar wajib
                  </Text>
                </Stack>
              </Group>
            </Dropzone>

            {previewImage && (
              <Box mt="sm" style={{ display: 'flex', justifyContent: 'center' }}>
                <Image
                  src={previewImage}
                  alt="Preview Gambar"
                  radius="md"
                  style={{ 
                    maxHeight: 300, 
                    objectFit: 'contain', 
                    border: `1px solid ${colors['blue-button']}` 
                  }}
                />
              </Box>
            )}
          </Box>

          <Box>
            <Text fw="bold" fz="sm" mb={6}>
              Dokumen APBDes
            </Text>
            <Dropzone
              onDrop={(files) => {
                const selectedFile = files[0];
                if (selectedFile) {
                  setDocFile(selectedFile);
                  setPreviewDoc(URL.createObjectURL(selectedFile));
                }
              }}
              onReject={() => toast.error('File tidak valid, gunakan format dokumen')}
              maxSize={10 * 1024 ** 2} // 10MB
              accept={{
                'application/pdf': ['.pdf'],
                'application/msword': ['.doc'],
                'application/vnd.openxmlformats-officedocument.wordprocessingml.document': ['.docx'],
                'application/vnd.ms-excel': ['.xls'],
                'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': ['.xlsx'],
              }}
              radius="md"
              p="xl"
            >
              <Group justify="center" gap="xl" mih={150}>
                <Dropzone.Accept>
                  <IconUpload size={48} color={colors['blue-button']} stroke={1.5} />
                </Dropzone.Accept>
                <Dropzone.Reject>
                  <IconX size={48} color="red" stroke={1.5} />
                </Dropzone.Reject>
                <Dropzone.Idle>
                  <IconFile size={48} color="#868e96" stroke={1.5} />
                </Dropzone.Idle>
                <Stack gap="xs" align="center">
                  <Text size="md" fw={500}>
                    Seret dokumen atau klik untuk memilih file
                  </Text>
                  <Text size="sm" c="dimmed">
                    Maksimal 10MB, format PDF/DOC/DOCX/XLS/XLSX
                  </Text>
                </Stack>
              </Group>
            </Dropzone>

            {previewDoc && (
              <Box mt="sm">
                <Text size="sm" c="dimmed" mb="xs">
                  Dokumen terpilih: {docFile?.name || 'Dokumen'}
                </Text>
                <Button
                  component="a"
                  href={previewDoc}
                  target="_blank"
                  rel="noopener noreferrer"
                  variant="light"
                  leftSection={<IconFile size={16} />}
                  size="sm"
                >
                  Lihat Dokumen
                </Button>
              </Box>
            )}
          </Box>

          <Group justify="right" mt="md">
            <Button
              onClick={handleSubmit}
              radius="md"
              size="md"
              style={{
                background: `linear-gradient(135deg, ${colors['blue-button']}, #4facfe)`,
                color: '#fff',
                boxShadow: '0 4px 15px rgba(79, 172, 254, 0.4)',
              }}
            >
              Simpan
            </Button>
          </Group>
        </Stack>
      </Paper>
    </Box>
  );
}

export default EditAPBDes;