package main

import (
	"flag"
	"fmt"
	"log"
	"os"

	_ "github.com/codingsince1985/checksum"
)

func main() {
	var source_dir = flag.String("source_dir", "./", "Path to image folder (/srv/fwuploads-tmp/)")
	var target_dir = flag.String("target_dir", "./", "Path to image folder in public (/srv/fwuploads/troisdorf)")
	var branch = flag.String("branch", "", "Branch to work with")
	flag.Parse()
	sdir := *source_dir
	tdir := *target_dir
	br := *branch
	var source_dir_branch string = sdir + br + "/"
	var target_dir_branch string = tdir + br + "/"
	err := generate_manifest(source_dir_branch)
	if err != nil {
		log.Println("Error generating Manifest file: ", err)
	}
	release_branch(*branch, source_dir_branch, target_dir_branch)
}

func release_branch(branch string, source_dir string, target_dir string) {
	checkOldFolder, _ := os.ReadDir(source_dir)
	checkNewFolder, _ := os.ReadDir(target_dir)
	var newImages bool = false
	if len(checkOldFolder) > 0 {
		newImages = true
	}

	if newImages {
		// delete old firmware files in public folder
		for _, file := range checkNewFolder {
			err := os.Remove(target_dir + file.Name())
			if err != nil {
				log.Println("error deleting file: ", err)
			} else {
				log.Println("removed file: ", file.Name())
			}
		}

		//move new files to folder
		for _, file := range checkOldFolder {
			os.Rename(source_dir+file.Name(), target_dir+file.Name())
			fmt.Println("moved file: ", file.Name())
		}

	}
}