#!/usr/bin/env bun

import { readdir } from "node:fs/promises"
import { join } from "node:path"

const MAX_LINES = 700
const WARN_LINES = 500

async function checkFileSize(dir: string): Promise<void> {
  const files = await readdir(dir, { withFileTypes: true })
  let hasErrors = false

  for (const file of files) {
    const fullPath = join(dir, file.name)

    if (file.isDirectory() && !["node_modules", "dist", "tmp", ".git"].includes(file.name)) {
      await checkFileSize(fullPath)
    } else if (file.isFile() && file.name.endsWith(".ts")) {
      const content = await Bun.file(fullPath).text()
      const lines = content.split("\n").length

      if (lines > MAX_LINES) {
        console.error(`❌ ERROR: ${fullPath} has ${lines} lines (max: ${MAX_LINES})`)
        hasErrors = true
      } else if (lines > WARN_LINES) {
        console.warn(`⚠️  WARNING: ${fullPath} has ${lines} lines (recommended max: ${WARN_LINES})`)
      }
    }
  }

  if (hasErrors) {
    process.exit(1)
  }
}

checkFileSize("./src").catch(console.error)