#!/usr/bin/env node

const fs = require('fs')
const path = require('path')
const postcss = require('postcss')
const algacss = require('../src/')
const argv = require('minimist')(process.argv.slice(2), { string: ['_'] })
const cwd = process.cwd()

const sourceFile = argv._[0]
const targetFile = argv._[1]

const processStyle = (value = '') => {
  let option = {}
  if(value !== '') {
    option = {
      important: false,
      src: value
    }
  }
  
  const argvKeys = Object.keys(argv).filter(i => i !== '_')
  
  let renderCss = `@use ${path.basename(value).split('.')[0]};`
  if(argvKeys.length >= 1) {
    let newCssProp = '{'
    for(let argvKey of argvKeys) {
      newCssProp += `${argvKey}: ${argv[argvKey]};`
    }
    newCssProp += '}'
    
    renderCss = `@use ${path.basename(value).split('.')[0]} ${newCssProp}`
  }
  
  let result = postcss([
    algacss(option)
  ]).process(renderCss, { from: value })
  
  return result.css
}

if(sourceFile) {
  if(sourceFile?.endsWith('.alga')) {
    let content = processStyle(sourceFile)
    let targetPath = targetFile || sourceFile.replace('.alga', '.css')
    
    if(targetFile) {
      targetPath = path.join(cwd, targetPath)
    }
    
    if(!targetPath.endsWith('.css')) {
      targetPath = targetPath + new Date().toJSON().replace(/T|Z|-|\:|\./g, '') +'.css'
    }
    
    fs.writeFileSync(targetPath, content)
    console.log('Source: '+ sourceFile)
    console.log('Target: '+ targetPath)
    console.log('Status: created')
  } else {
    let content = processStyle(sourceFile)
    let targetPath = targetFile || sourceFile.replace('.alga', '.css')
    
    if(targetFile) {
      targetPath = path.join(cwd, targetPath)
    }
    
    if(!targetPath.endsWith('.css')) {
      targetPath = targetPath + new Date().toJSON().replace(/T|Z|-|\:|\./g, '') +'.css'
    }
    
    fs.writeFileSync(targetPath, content)
    console.log('Source: '+ sourceFile)
    console.log('Target: '+ targetPath)
    console.log('Status: created')
  }
}

process.exit()