'use client'
import colors from '@/con/colors';
import ApiFetch from '@/lib/api-fetch';
import {
  ActionIcon,
  Box,
  Button,
  Group,
  Image,
  Loader,
  Paper,
  Stack,
  Text,
  TextInput,
  Title
} from '@mantine/core';
import { Dropzone } from '@mantine/dropzone';
import {
  IconArrowBack,
  IconPhoto,
  IconUpload,
  IconX,
} from '@tabler/icons-react';
import { useRouter } from 'next/navigation';
import { useState } from 'react';
import { toast } from 'react-toastify';
import { useProxy } from 'valtio/utils';
import CreateEditor from '../../../_com/createEditor';
import penangananDarurat from '../../../_state/kesehatan/penanganan-darurat/penangananDarurat';

function CreatePenangananDarurat() {
  const router = useRouter();
  const penangananDaruratState = useProxy(penangananDarurat);
  const [previewImage, setPreviewImage] = useState<string | null>(null);
  const [isSubmitting, setIsSubmitting] = useState(false);
  const [file, setFile] = useState<File | null>(null);

  const resetForm = () => {
    penangananDaruratState.create.form = {
      name: '',
      deskripsi: '',
      imageId: '',
    };
    setPreviewImage(null);
    setFile(null);
  };

  const handleSubmit = async () => {
    try {
      setIsSubmitting(true);
      if (!file) {
        return toast.warn('Pilih file gambar terlebih dahulu');
      }

      const res = await ApiFetch.api.fileStorage.create.post({
        file,
        name: file.name,
      });

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

      penangananDaruratState.create.form.imageId = uploaded.id;

      await penangananDaruratState.create.create();

      resetForm();
      router.push('/admin/kesehatan/penanganan-darurat');
    } catch (error) {
      console.error(error);
      toast.error('Gagal menambahkan penanganan darurat');
    } 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 Penanganan Darurat
        </Title>
      </Group>

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

          {/* Deskripsi */}
          <Box>
            <Text fw="bold" fz="sm">Deskripsi</Text>
            <CreateEditor
              value={penangananDaruratState.create.form.deskripsi}
              onChange={(val) => {
                penangananDaruratState.create.form.deskripsi = val;
              }}
            />
          </Box>

          {/* Upload Gambar */}
          <Box>
            <Text fw="bold" fz="sm">Gambar</Text>
            <Box>
              <Dropzone
                onDrop={(files) => {
                  const selectedFile = files[0];
                  if (selectedFile) {
                    setFile(selectedFile);
                    setPreviewImage(URL.createObjectURL(selectedFile));
                  }
                }}
                onReject={() => toast.error('File tidak valid.')}
                maxSize={5 * 1024 ** 2}
                accept={{ 'image/*': ['.jpeg', '.jpg', '.png', '.webp'] }}
              >
                <Group
                  justify="center"
                  gap="xl"
                  mih={220}
                  style={{ pointerEvents: 'none' }}
                >
                  <Dropzone.Accept>
                    <IconUpload
                      size={52}
                      color="var(--mantine-color-blue-6)"
                      stroke={1.5}
                    />
                  </Dropzone.Accept>
                  <Dropzone.Reject>
                    <IconX
                      size={52}
                      color="var(--mantine-color-red-6)"
                      stroke={1.5}
                    />
                  </Dropzone.Reject>
                  <Dropzone.Idle>
                    <IconPhoto
                      size={52}
                      color="var(--mantine-color-dimmed)"
                      stroke={1.5}
                    />
                  </Dropzone.Idle>

                  <div>
                    <Text size="xl" inline>
                      Drag gambar ke sini atau klik untuk pilih file
                    </Text>
                    <Text size="sm" c="dimmed" inline mt={7}>
                      Maksimal 5MB dan harus format gambar
                    </Text>
                  </div>
                </Group>
              </Dropzone>

              {previewImage && (
                <Box mt="sm" pos={"relative"}>
                  <Image
                    src={previewImage}
                    alt="Preview"
                    style={{
                      maxWidth: '100%',
                      maxHeight: '200px',
                      objectFit: 'contain',
                      borderRadius: '8px',
                      border: '1px solid #ddd',
                    }}
                    loading="lazy"
                  />
                  <ActionIcon
                    variant="filled"
                    color="red"
                    radius="xl"
                    size="sm"
                    pos="absolute"
                    top={5}
                    right={5}
                    onClick={() => {
                      setPreviewImage(null);
                      setFile(null);
                    }}
                    style={{
                      boxShadow: '0 2px 6px rgba(0,0,0,0.15)',
                    }}
                  >
                    <IconX size={14} />
                  </ActionIcon>
                </Box>
              )}
            </Box>
          </Box>

          {/* Button Simpan */}
          <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"
              style={{
                background: `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 CreatePenangananDarurat;