package normalize

import (
	"context"
	"encoding/json"
	"fmt"
	"os"

	"gitea.maximumdirect.net/eric/seriatim/internal/config"
)

// Run validates command wiring for normalize and will later execute
// artifact-level normalization.
func Run(ctx context.Context, cfg config.NormalizeConfig) error {
	if err := ctx.Err(); err != nil {
		return err
	}

	parsed, err := ParseFile(cfg.InputFile)
	if err != nil {
		return err
	}

	output, err := Build(parsed, cfg)
	if err != nil {
		return err
	}

	if err := writeOutputJSON(cfg.OutputFile, output); err != nil {
		return err
	}

	return nil
}

func writeOutputJSON(path string, value any) error {
	file, err := os.Create(path)
	if err != nil {
		return err
	}
	defer file.Close()

	encoder := json.NewEncoder(file)
	encoder.SetIndent("", "  ")
	if err := encoder.Encode(value); err != nil {
		return fmt.Errorf("encode normalize output JSON: %w", err)
	}
	return nil
}