import { useState } from "react";
import { useNavigate } from "react-router";
import { useLocation } from "react-router";

export default function CreatePostPage() {
  const location = useLocation();
  const stateParentId = location.state?.parentId;
  const [postTitle, setPostTitle] = useState("");
  const [postContent, setPostContent] = useState("");
  const [parentId, setParentId] = useState(stateParentId || "");
  const navigate = useNavigate();

  console.log(stateParentId);
  console.log(parentId);

  async function createPost() {
    if (parentId) {
      const response = await fetch(`http://localhost:8787/posts/${parentId}/reply`, {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify({
          title: postTitle,
          content: postContent // god bless HTTPS
        }),
        credentials: 'include'
      });
      if (!response.ok) {
        throw new Error(`Got ${response.status} when trying to log in.`)
      }
      navigate("/");
    } else {
      const response = await fetch("http://localhost:8787/posts/add", {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify({
          title: postTitle,
          content: postContent // god bless HTTPS
        }),
        credentials: 'include'
      });
      if (!response.ok) {
        throw new Error(`Got ${response.status} when trying to log in.`)
      }
      navigate("/");
    }
  }


  return (
    <div className="w-[60vw] h-[50vh] flex flex-col absolute top-1/2 left-1/2 p-8 -translate-x-1/2 -translate-y-1/2 shadow-black/40 shadow-2xl rounded-2xl bg-[#171717] text-[#fafafa] transition ease-in-out duration-300">
      <h1 className="text-2xl font-black text-center mb-4">Create Post</h1>

      <form className="flex-1 flex flex-col gap-4" action={createPost}>
        <div className="flex gap-2 items-center">
          <label htmlFor="title" className="px-1 font-semibold">Post Title</label>
          <input
            type="text"
            id="title"
            className="bg-transparent border-[1px] border-white/40 rounded-xl p-2 focus:border-white outline-none flex-1 hover:border-white/60 transition ease-in-out duration-200"
            onChange={(e) => setPostTitle(e.target.value)}
          />
        </div>

        <div className="flex-1 flex flex-col gap-2">
          <label htmlFor="content" className="px-1 font-semibold">Post Contents</label>
          <textarea
            id="content"
            className="flex-1 bg-transparent border-[1px] border-white/40 rounded-xl p-3 focus:border-white outline-none resize-none hover:border-white/60 transition ease-in-out duration-200"
            onChange={(e) => setPostContent(e.target.value)}
          />
        </div>

        <div className="flex gap-2 items-center">
          <label htmlFor="title" className="px-1 font-semibold">Parent Post ID (leave empty if none)</label>
          <input
            type="text"
            id="title"
            className="bg-transparent border-[1px] border-white/40 rounded-xl p-2 focus:border-white outline-none hover:border-white/60 transition ease-in-out duration-200"
            value={parentId}
            onChange={(e) => setParentId(e.target.value)}
          />

          <button className="bg-white text-black font-bold rounded-xl p-2 ml-auto transition ease-in-out duration-300 hover:scale-125" role="submit">Create Post</button>
        </div>
      </form>
    </div>
  );
}
