package main

import (
	"bytes"
	"fmt"
	"github.com/goccy/go-yaml"
	"github.com/spf13/cobra"
	"os"
)

type Options struct {
}

func execute(files []string, options *Options) error {
	if len(files) != 1 {
		return fmt.Errorf("File expected")
	}
	yamlFile, err := os.ReadFile(files[0])
	if err != nil {
		return fmt.Errorf("Error reading YAML file: %v", err)
	}

	// Parse the YAML content
	dec := yaml.NewDecoder(bytes.NewReader(yamlFile),
		yaml.UseJSONUnmarshaler(),
		yaml.DisallowUnknownField(),
	)
	var config Config
	err = dec.Decode(&config)
	if err != nil {
		return fmt.Errorf("Error parsing YAML: %v", err)
	}

	fmt.Printf("PARSED %+v\n", config)
	return nil
}

func main() {
	options := Options{}
	cmd := &cobra.Command{
		Use:   "policygen",
		Short: "Generate network policies",
		Long:  "Generated policies based on a more compact representation of topology",
		RunE: func(cmd *cobra.Command, args []string) error {
			return execute(args, &options)
		},
	}

	cmd.Execute()
}