import { $ } from "execa";
import fs from "fs";
import { copyAsync, dirAsync, existsAsync, removeAsync } from "fs-jetpack";
import path from "path";

const g = global as any;
if (!g.dockerPrepared) {
  g.dockerPrepared = true;
  const dir = {
    path(...allpath: any[]) {
      return path.join(process.cwd(), ...allpath);
    },
    read(dirPath: string, baseDir?: string[]): Record<string, string> {
      const result: Record<string, string> = {};

      const contents = fs.readdirSync(dirPath);

      for (const item of contents) {
        const itemPath = path.join(dirPath, item);
        const stats = fs.statSync(itemPath);

        if (stats.isFile()) {
          // const content = fs.readFileSync(itemPath, "utf-8");
          result[[...(baseDir || []), item].join("/")] = "";
        } else if (stats.isDirectory()) {
          if (item !== "node_modules" && item !== ".git") {
            const subdirResult = dir.read(itemPath, [...(baseDir || []), item]);
            Object.assign(result, subdirResult);
          }
        }
      }

      return result;
    },
  };

  if (!(await existsAsync(dir.path("_tmp_docker")))) {
    for (const file of Object.keys(dir.read(dir.path``))) {
      if (
        file.startsWith("app/") ||
        file.startsWith("pkgs/") ||
        ["bun.lockb", "package.json"].includes(file)
      ) {
        if (file.endsWith("package.json")) {
          await dirAsync(dir.path("_tmp_docker", path.dirname(file)));
          await copyAsync(dir.path(file), dir.path("_tmp_docker", file), {
            overwrite: true,
          });
        }
      }
    }

    await $({ cwd: dir.path("_tmp_docker") })`zip -r ../docker .`;
    await $`mv docker.zip dockerzip`;
    await removeAsync(dir.path("_tmp_docker"));
  }
}