import fs from "node:fs";
import { PATHS } from "./shared";

let DATA: { [key: string]: any } = {};

for (const chapter of fs.readdirSync(PATHS.ORIGINAL)) DATA[chapter] = {};

function add_singles(path: string) {
  const chapter_sprites = fs.readdirSync(path, "utf-8");
  const temp: { [key: string]: any } = {};

  for (const sprite of chapter_sprites)
    if (sprite.includes(".png")) temp[sprite.slice(0, -4)] = [0];

  return temp;
}

function add_animations(path: string) {
  const chapter_sprites = fs.readdirSync(path, "utf-8");
  const temp: { [key: string]: any } = {};

  for (const sprite of chapter_sprites) {
    if (!sprite.endsWith(".png")) {
      const frames = new Array();

      const animated_sprite = fs.readdirSync(`${path}/${sprite}`, "utf-8");
      for (let frame of animated_sprite) {
        let frame_number = frame.split("_").at(-1);
        if (frame.endsWith(".png") && frame_number !== undefined)
          frames.push(Number(frame_number.slice(0, -4)));
      }

      temp[sprite] = frames.sort();
    }
  }
  return temp;
}

for (const chapter of Object.keys(DATA)) {
  const chapter_path = `${PATHS.ORIGINAL}/${chapter}`;
  DATA[chapter] = {
    ...add_animations(chapter_path),
    ...add_singles(chapter_path),
  };
}

fs.writeFileSync("./data.json", JSON.stringify(DATA));