"use client";
import React, {
  ChangeEvent,
  Fragment,
  useEffect,
  useRef,
  useState,
} from "react";
import { useForm, Controller } from "react-hook-form";
import { Input } from "@/components/ui/input";
import { Button } from "@/components/ui/button";
import { Label } from "@/components/ui/label";
import { Card } from "@/components/ui/card";
import { zodResolver } from "@hookform/resolvers/zod";
import * as z from "zod";
import Swal from "sweetalert2";
import withReactContent from "sweetalert2-react-content";
import { useParams, useRouter } from "next/navigation";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { Checkbox } from "@/components/ui/checkbox";
import { CloudUpload, MailIcon } from "lucide-react";
import dynamic from "next/dynamic";
import { useDropzone } from "react-dropzone";
import Image from "next/image";
import Cookies from "js-cookie";
import { error, loading, close } from "@/lib/swal";
import { Upload } from "tus-js-client";
import { htmlToString } from "@/utils/globals";
import { getCookiesDecrypt } from "@/lib/utils";
import {
  createMedia,
  deleteFile,
  getTagsBySubCategoryId,
  listEnableCategory,
  uploadThumbnail,
  getArticleDetail,
  updateArticle,
} from "@/service/content/content";
import { getCsrfToken } from "@/service/auth";
import { getUserLevelForAssignments } from "@/service/task";
import { v4 as uuidv4 } from "uuid";
import { Switch } from "@/components/ui/switch";
import {
  Dialog,
  DialogClose,
  DialogContent,
  DialogHeader,
  DialogTitle,
  DialogTrigger,
} from "@/components/ui/dialog";
import { Icon } from "@iconify/react/dist/iconify.js";
import { useTranslations } from "next-intl";

const CustomEditor = dynamic(
  () => import("@/components/editor/custom-editor"),
  { ssr: false }
);

const imageSchema = z.object({
  title: z.string().min(1, { message: "Judul diperlukan" }),
  description: z
    .string()
    .min(2, { message: "Narasi harus lebih dari 2 karakter." }),
  creatorName: z.string().min(1, { message: "Creator diperlukan" }),
});

type ImageSchema = z.infer<typeof imageSchema>;
type Category = { id: string; name: string };
type Option = { id: string; name: string };

export default function FormImageUpdate() {
  const MySwal = withReactContent(Swal);
  const router = useRouter();
  const { id } = useParams() as { id: string };
  const roleId = getCookiesDecrypt("urie");
  const editor = useRef(null);
  const t = useTranslations("Form");
  const [detail, setDetail] = useState<any>(null);
  const [categories, setCategories] = useState<Category[]>([]);
  const [selectedTarget, setSelectedTarget] = useState<string>("");
  const [tags, setTags] = useState<string[]>([]);
  const [files, setFiles] = useState<any[]>([]);
  const [thumbnailFile, setThumbnailFile] = useState<File | null>(null);
  const [publishedFor, setPublishedFor] = useState<string[]>([]);
  const [translatedContent, setTranslatedContent] = useState("");
  const [isLoadingTranslate, setIsLoadingTranslate] = useState(false);
  const [selectedLang, setSelectedLang] = useState<"id" | "en">("id");
  const [filePlacements, setFilePlacements] = useState<string[][]>([]);
  const inputRef = useRef<HTMLInputElement>(null);

  const { getRootProps, getInputProps } = useDropzone({
    onDrop: (acceptedFiles) =>
      setFiles((prev) => [
        ...prev,
        ...acceptedFiles.map((f) =>
          Object.assign(f, { id: uuidv4(), preview: URL.createObjectURL(f) })
        ),
      ]),
    accept: { "image/*": [] },
  });

  const {
    control,
    handleSubmit,
    setValue,
    formState: { errors },
    getValues,
  } = useForm<ImageSchema>({
    resolver: zodResolver(imageSchema),
  });

  // 🔹 Get initial data (article + categories)
  useEffect(() => {
    async function init() {
      try {
        const [resArticle, resCategory] = await Promise.all([
          getArticleDetail(Number(id)),
          listEnableCategory("1"),
        ]);

        const article = resArticle?.data?.data;
        const categoryList: Category[] = resCategory?.data?.data?.content || [];
        setCategories(categoryList);

        if (!article) return;

        // 🧩 Map article to state
        setDetail(article);
        setSelectedTarget(String(article.categories?.[0]?.id || ""));
        setValue("title", article.title);
        setValue("description", article.htmlDescription);
        setValue("creatorName", article.createdByName);
        if (article.tags)
          setTags(article.tags.split(",").map((t: string) => t.trim()));
        if (article.publishedFor)
          setPublishedFor(article.publishedFor.split(","));
        if (article.files) setFiles(article.files);
      } catch (err) {
        console.error("Error getArticleDetail:", err);
      }
    }
    init();
  }, [id, setValue]);

  const options: Option[] = [
    { id: "all", name: "SEMUA" },
    { id: "4", name: "UMUM" },
    { id: "5", name: "JOURNALIS" },
  ];

  const handleAddTag = (e: React.KeyboardEvent<HTMLInputElement>) => {
    if (e.key === "Enter" && e.currentTarget.value.trim()) {
      e.preventDefault();
      const newTag = e.currentTarget.value.trim();
      if (!tags.includes(newTag)) setTags((prev) => [...prev, newTag]);
      if (inputRef.current) inputRef.current.value = "";
    }
  };

  const handleRemoveTag = (index: number) =>
    setTags((prev) => prev.filter((_, i) => i !== index));

  const handleCheckboxChange = (id: string) => {
    if (id === "all") {
      const allOptions = options
        .filter((opt) => opt.id !== "all")
        .map((opt) => opt.id);
      setPublishedFor(
        publishedFor.length === allOptions.length ? [] : allOptions
      );
    } else {
      setPublishedFor((prev) =>
        prev.includes(id) ? prev.filter((item) => item !== id) : [...prev, id]
      );
    }
  };

  const handleDeleteFile = async (fileId: number) => {
    MySwal.fire({
      title: "Hapus file?",
      text: "Apakah Anda yakin ingin menghapus file ini?",
      icon: "warning",
      showCancelButton: true,
      confirmButtonText: "Ya, hapus",
    }).then(async (res) => {
      if (res.isConfirmed) {
        const response = await deleteFile({ id: fileId });
        if (response?.error) return error(response.message);
        setFiles((prev) => prev.filter((f) => f.id !== fileId));
        Swal.fire("Dihapus!", "File berhasil dihapus.", "success");
      }
    });
  };

  // const save = async (data: ImageSchema) => {
  //   loading();
  //   const descFinal =
  //     selectedLang === "en" && translatedContent
  //       ? translatedContent
  //       : data.description;

  //   const payload = {
  //     ...data,
  //     id: detail?.id,
  //     title: data.title,
  //     description: htmlToString(descFinal),
  //     htmlDescription: descFinal,
  //     categoryId: selectedTarget,
  //     publishedFor: publishedFor.join(","),
  //     creatorName: data.creatorName,
  //     tags: tags.join(", "),
  //     isYoutube: false,
  //     isInternationalMedia: false,
  //   };

  //   const res = await createMedia(payload);
  //   if (res?.error) return error(res.message);

  //   if (thumbnailFile) {
  //     const form = new FormData();
  //     form.append("file", thumbnailFile);
  //     await uploadThumbnail(id, form);
  //   }

  //   close();
  //   Swal.fire("Sukses", "Artikel berhasil diperbarui.", "success").then(() => {
  //     router.push("/admin/content/image");
  //   });
  // };

  // 🔹 ganti fungsi save di FormImageUpdate.tsx
  const save = async (data: ImageSchema) => {
    loading();

    try {
      const descFinal =
        selectedLang === "en" && translatedContent
          ? translatedContent
          : data.description;

      // ✅ payload sesuai ArticlesUpdateRequest
      const payload = {
        aiArticleId: detail?.aiArticleId ?? null,
        categoryIds: selectedTarget ? String(selectedTarget) : "",
        createdAt: detail?.createdAt ?? new Date().toISOString(),
        createdById: detail?.createdById ?? null,
        description: htmlToString(descFinal),
        htmlDescription: descFinal,
        isDraft: false,
        isPublish: true,
        slug:
          detail?.slug ??
          data.title
            ?.toLowerCase()
            .replace(/[^a-z0-9]+/g, "-")
            .replace(/(^-|-$)+/g, ""),
        statusId: detail?.statusId ?? 1,
        tags: tags,
        title: data.title,
        typeId: 1, // 1 = image (sesuai struktur kamu)
      };

      console.log("📤 Payload Update Article:", payload);

      // ✅ pakai updateArticle (PUT /articles/:id)
      const res = await updateArticle(Number(id), payload);

      if (res?.error) {
        error(res.message || "Gagal memperbarui artikel.");
        return;
      }

      // ✅ upload thumbnail jika user ganti gambar
      if (thumbnailFile) {
        const form = new FormData();
        form.append("file", thumbnailFile);
        const thumbRes = await uploadThumbnail(id, form);

        if (thumbRes?.error) {
          error(thumbRes.message);
          return;
        }
      }

      close();
      Swal.fire({
        icon: "success",
        title: "Sukses",
        text: "Artikel berhasil diperbarui.",
      }).then(() => {
        router.push("/admin/content/image");
      });
    } catch (err) {
      close();
      error("Terjadi kesalahan saat memperbarui artikel.");
      console.error("Update error:", err);
    }
  };

  const onSubmit = (data: ImageSchema) => {
    MySwal.fire({
      title: "Simpan Data",
      text: "Apakah Anda yakin ingin menyimpan data ini?",
      icon: "warning",
      showCancelButton: true,
      confirmButtonText: "Simpan",
    }).then((result) => {
      if (result.isConfirmed) save(data);
    });
  };

  return (
    <form onSubmit={handleSubmit(onSubmit)}>
      {detail && (
        <div className="flex flex-col lg:flex-row gap-10">
          {/* Kolom Kiri */}
          <Card className="w-full lg:w-8/12">
            <div className="px-6 py-6">
              <p className="text-lg font-semibold mb-3">
                {t("form-image", { defaultValue: "Form Image" })}
              </p>

              {/* Title */}
              <div className="space-y-2 py-3">
                <Label>{t("title", { defaultValue: "Title" })}</Label>
                <Controller
                  control={control}
                  name="title"
                  render={({ field }) => (
                    <Input {...field} placeholder="Enter Title" />
                  )}
                />
                {errors.title && (
                  <p className="text-red-400 text-sm">{errors.title.message}</p>
                )}
              </div>

              {/* Category */}
              {/* <div className="py-3 space-y-2">
                <Label>Category</Label>
                <Select
                  value={selectedTarget}
                  onValueChange={(id) => setSelectedTarget(id)}
                >
                  <SelectTrigger>
                    <SelectValue placeholder="Pilih kategori" />
                  </SelectTrigger>
                  <SelectContent>
                    {categories.map((cat) => (
                      <SelectItem key={cat.id} value={cat.id}>
                        {cat.name}
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              </div> */}

              <div className="py-3 w-full space-y-2">
                <Label>Category</Label>
                <Select
                  value={String(detail?.categoryId || detail?.category?.id)}
                  // onValueChange={(id) => {
                  //   console.log("Selected Category:", id);
                  //   setSelectedTarget(id);
                  // }}
                >
                  <SelectTrigger>
                    <SelectValue placeholder="Pilih" />
                  </SelectTrigger>
                  <SelectContent>
                    {/* Show the category from details if it doesn't exist in categories list */}
                    {detail &&
                      !categories?.find(
                        (cat) =>
                          String(cat.id) ===
                          String(detail.categoryId || detail?.category?.id)
                      ) && (
                        <SelectItem
                          key={String(
                            detail.categoryId || detail?.category?.id
                          )}
                          value={String(
                            detail.categoryId || detail?.category?.id
                          )}
                        >
                          {detail.categoryName || detail?.category?.name}
                        </SelectItem>
                      )}
                    {categories?.map((category) => (
                      <SelectItem
                        key={String(category.id)}
                        value={String(category.id)}
                      >
                        {category.name}
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              </div>

              {/* Description */}
              <div className="py-3 space-y-2">
                <Label>
                  {t("description", { defaultValue: "Description" })}
                </Label>
                <Controller
                  control={control}
                  name="description"
                  render={({ field }) => (
                    <CustomEditor
                      onChange={field.onChange}
                      initialData={field.value}
                    />
                  )}
                />
                {errors.description && (
                  <p className="text-red-400 text-sm">
                    {errors.description.message}
                  </p>
                )}
              </div>

              {/* File Upload */}
              <div className="py-3 space-y-2">
                <Label>
                  {t("select-file", { defaultValue: "Select File" })}
                </Label>
                <div {...getRootProps({ className: "dropzone" })}>
                  <input {...getInputProps()} />
                  <div className="w-full text-center border-dashed border rounded-md py-[52px] flex flex-col items-center">
                    <CloudUpload className="text-default-300 w-10 h-10" />
                    <h4 className="text-2xl font-medium mt-3">Drag File</h4>
                  </div>
                </div>

                {files.length > 0 && (
                  <div className="mt-6 space-y-4">
                    {files.map((file, index) => (
                      <div
                        key={file.id || index}
                        className="flex justify-between border p-3 rounded-md"
                      >
                        <div className="flex gap-3 items-center">
                          <Image
                            src={
                              file.thumbnailFileUrl ||
                              file.preview ||
                              "/placeholder.png"
                            }
                            alt={file.fileName || "file"}
                            width={64}
                            height={64}
                            className="rounded border"
                          />
                          <div>
                            <p className="font-medium">{file.fileName}</p>
                            <a
                              href={file.url}
                              target="_blank"
                              rel="noopener noreferrer"
                              className="text-blue-500 text-sm"
                            >
                              Lihat File
                            </a>
                          </div>
                        </div>
                        <Button
                          type="button"
                          variant="outline"
                          onClick={() => handleDeleteFile(file.id)}
                          className="rounded-full"
                        >
                          <Icon icon="tabler:x" className="w-5 h-5" />
                        </Button>
                      </div>
                    ))}
                  </div>
                )}
              </div>
            </div>
          </Card>

          {/* Kolom Kanan */}
          <div className="w-full lg:w-4/12">
            <Card className="p-4 space-y-5">
              <div>
                <Label>Creator</Label>
                <Controller
                  control={control}
                  name="creatorName"
                  render={({ field }) => (
                    <Input {...field} placeholder="Masukkan nama pembuat" />
                  )}
                />
                {errors.creatorName && (
                  <p className="text-red-400 text-sm">
                    {errors.creatorName.message}
                  </p>
                )}
              </div>

              <div>
                <Label>Thumbnail</Label>
                <Input
                  type="file"
                  accept="image/*"
                  onChange={(e) => {
                    const file = e.target.files?.[0];
                    if (file) setThumbnailFile(file);
                  }}
                />
                <Card className="mt-3">
                  <Image
                    src={
                      thumbnailFile
                        ? URL.createObjectURL(thumbnailFile)
                        : detail?.thumbnailUrl || "/placeholder.png"
                    }
                    alt="Thumbnail"
                    width={400}
                    height={200}
                    className="rounded-md"
                  />
                </Card>
              </div>

              <div>
                <Label>Tags</Label>
                <Input
                  type="text"
                  placeholder="Tekan Enter untuk menambah tag"
                  onKeyDown={handleAddTag}
                  ref={inputRef}
                />
                <div className="flex flex-wrap gap-2 mt-2">
                  {tags.map((tag, i) => (
                    <span
                      key={i}
                      className="px-2 py-1 bg-black text-white rounded-md text-sm flex items-center gap-2"
                    >
                      {tag}
                      <button type="button" onClick={() => handleRemoveTag(i)}>
                        ×
                      </button>
                    </span>
                  ))}
                </div>
              </div>

              <div>
                <Label>Publish Target</Label>
                <div className="flex flex-col gap-2 mt-2">
                  {options.map((opt) => (
                    <div key={opt.id} className="flex items-center gap-2">
                      <Checkbox
                        id={opt.id}
                        checked={
                          opt.id === "all"
                            ? publishedFor.length ===
                              options.filter((o) => o.id !== "all").length
                            : publishedFor.includes(opt.id)
                        }
                        onCheckedChange={() => handleCheckboxChange(opt.id)}
                      />
                      <Label htmlFor={opt.id}>{opt.name}</Label>
                    </div>
                  ))}
                </div>
              </div>
            </Card>

            <div className="flex justify-end gap-3 mt-4">
              <Button type="submit">Simpan</Button>
              <Button
                type="button"
                variant="outline"
                onClick={() => router.back()}
              >
                Batal
              </Button>
            </div>
          </div>
        </div>
      )}
    </form>
  );
}