package converter

import (
	"fmt"
	"os"
	"sync"

	goutil "git.fireandbrimst.one/aw/goutil/misc"
	"github.com/russross/blackfriday/v2"
)

func convert(f string) {
	outfile := f[0:len(f)-len(".md")] + ".html"
	input, err := goutil.ReadFile(f)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
	}
	output := string(blackfriday.Run([]byte(input)))
	goutil.WriteFile(outfile, output)
	err = os.Remove(f)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
	}
}

func ConvertAll(files []string) {
	var wg sync.WaitGroup
	wg.Add(len(files))
	for _, f := range files {
		go func(file string) {
			defer wg.Done()
			convert(file)
		}(f)
	}
	wg.Wait()
}