#!/usr/bin/env node

import path from 'path'
import fse from 'fs-extra'
import { fileURLToPath } from 'url'
import { glob } from 'glob'

const sourceGlobs = [
  './internal/service/**/*.sql'
]

const outputFilePath = './internal/database/dbgen/queries.gen.sql'

// Obtains the project's root directory
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
const rootDir = path.join(__dirname, '..')
const absoluteOutputFilePath = path.join(rootDir, outputFilePath)

try {
  // Find all files that match the source globs
  const files = []
  for (const sourceGlob of sourceGlobs) {
    const foundFiles = await glob(path.join(rootDir, sourceGlob))
    files.push(...foundFiles)
  }

  // Read each file and concatenate them into a single string
  let outFileContent = `-- This file is auto-generated by ${__filename}. DO NOT EDIT.\n\n`
  for (const file of files) {
    const content = await fse.readFile(file, 'utf-8')
    outFileContent += `-- file: ${file}\n\n${content}\n\n`
  }

  await fse.ensureDir(path.dirname(absoluteOutputFilePath))
  await fse.outputFile(absoluteOutputFilePath, outFileContent)
} catch (error) {
  console.error('Error creating SQLC prebuild:', error)
}