package category

import (
	"encoding/json"
	"os"
	"strings"

	"gitea.home.4it.me/dilap54/platiparser/plati"
)

func FilterBySubstring(substring string, categories plati.Categories) plati.Categories {
	out := make(plati.Categories, 0)
	for _, c := range categories {
		if len(c.Children) > 0 {
			out = append(out, FilterBySubstring(substring, c.Children)...)
			continue
		}

		if strings.Contains(c.FlatName, substring) {
			out = append(out, c)
		}
	}

	return out
}

func OpenCategories(fileName string) plati.CategoriesResponse {
	f, err := os.OpenFile(fileName, os.O_RDONLY, 0400)
	if err != nil {
		panic(err)
	}
	defer f.Close()

	out := plati.CategoriesResponse{}
	if err := json.NewDecoder(f).Decode(&out); err != nil {
		panic(err)
	}
	out.Content.FlatNames("")
	out.Content.FixParentID(0)
	return out
}