package templategen

import (
	"fmt"
	docTemp "github.com/opencontrol/doc-template"
	"io"
	"net/http"
	"os"
	"time"
)

const (
	PathExamples   = "./static/examples/docx"
	TempDownloaded = "./tmp/downloaded"
	TempGenerated  = "./tmp/generated"
)

func GenerateDocName(name string) string {
	return fmt.Sprintf("%v_%v.docx", name, time.Now().UnixNano())
}

func GenerateFile(filename string, data interface{}) error {
	dc, err := docTemp.GetTemplate(TempDownloaded + "/" + filename)

	dc.Template.Option("missingkey=zero")

	if err != nil {
		return err
	}

	dc.Parse()

	return dc.Execute(TempGenerated+"/"+filename, data)
}

// DownloadDocument - загружает документ в filepath из url
func DownloadDocument(filepath, url string) error {
	resp, err := http.Get(url)

	if err != nil {
		return err
	}
	defer resp.Body.Close()

	// Create the file
	out, err := os.Create(filepath)
	if err != nil {
		return err
	}
	defer out.Close()

	// Write the body to file
	_, err = io.Copy(out, resp.Body)
	return err
}

func DeleteDocument(filepath string) error {
	return os.Remove(filepath)
}

func ShareDocument(filepath string) (error, string) {
	return nil, ""
}