const core = require('@actions/core');
const { mkdir, writeFileSync, existsSync } = require('fs');
const os = require('os'); 
const path = require('path');
try {
  // `who-to-greet` input defined in action metadata file
  const kubeconfig = core.getInput('kubeconfig');
  if(!kubeconfig){
    throw {
      message: "kubeconfig should not be empty"
    }
  }
  const parentDir = path.join(os.homedir(),".kube")
  mkdir(parentDir,{recursive:true})
  const configFile = path.join(parentDir,"config")
  if(existsSync(configFile) && !core.getBooleanInput("force")){
     throw {
        message:".kube/config exists"
     }
  }
  writeFileSync(configFile,kubeconfig)
  core.info(`save kubeconfig to ${configFile}`);
} catch (error) {
  core.setFailed(error.message);
}