package configs

import (
	"fmt"
	"os"
	"path/filepath"
	"strconv"

	"forge.cadoles.com/pcaseiro/templatefile/pkg/templater"
)

type ConfigFile struct {
	Destination string `form:"destination" json:"destination"`
	Source      string `form:"source" json:"source"`
	Mode        string `form:"mod" json:"mode"`
	Owner       string `json:"owner"`
	Group       string `json:"group"`
}

func (cf *ConfigFile) Generate(root string, templateDir string, values []byte) error {
	dest := filepath.Join(root, cf.Destination)
	source := filepath.Join(templateDir, cf.Source)
	intMod, err := strconv.ParseInt(cf.Mode, 8, 64)
	if err != nil {
		return (err)
	}

	fmt.Printf("Processing %s\n", source)
	fileExtension := filepath.Ext(source)
	if fileExtension == ".hcl" {
		res, err := templater.ProcessHCLTemplate(source, values)
		if err != nil {
			return fmt.Errorf("Process templates failed with error: %v", err)
		}
		dirname := filepath.Dir(dest)
		err = os.MkdirAll(dirname, os.FileMode(int(0700)))
		if err != nil {
			return fmt.Errorf("Process templates failed with error: %v", err)
		}
		err = os.WriteFile(dest, []byte(res), os.FileMode(intMod))
		if err != nil {
			return fmt.Errorf("Process templates failed with error: %v", err)
		}
	}
	return nil
}