package actions

import (
	"crypto/rand"
	"encoding/hex"
	"log"

	"tomatentum.net/svg-templater/internal/database"
	"tomatentum.net/svg-templater/pkg/svg"
)

func Create(svgbufs [][]byte, name string) (svg.TemplateData, error) {
	data := svg.TemplateData{Id: generateId(), Name: name}

	if err := database.InsertSVG(&data); err != nil {
		return svg.TemplateData{}, err
	}

	pages := make([]svg.TemplatePage, len(svgbufs))
	for i, pagebuf := range svgbufs {
		page, err := AddPage(data.Id, pagebuf)

		if err != nil {
			return svg.TemplateData{}, err
		}

		pages[i] = page
	}

	data.Pages = pages

	log.Println("Created SVG Template " + data.Id)
	return data, nil
}

func generateId() string {
	token := make([]byte, 16)
	if _, err := rand.Read(token); err != nil {
		log.Fatal("Failed to generate Token:\n", err)
		return ""
	}
	return hex.EncodeToString(token)
}