package piwigo

import "net/url"

type Categories struct {
	Categories []Category `json:"categories"`
}

type Category struct {
	Id          int    `json:"id"`
	Name        string `json:"name"`
	ImagesCount int    `json:"nb_images"`
	Url         string `json:"url"`
}

func (p *Piwigo) Categories() (map[int]Category, error) {
	var categories Categories

	err := p.Post("pwg.categories.getList", &url.Values{
		"fullname":  []string{"true"},
		"recursive": []string{"true"},
	}, &categories)
	if err != nil {
		return nil, err
	}

	result := map[int]Category{}

	for _, category := range categories.Categories {
		result[category.Id] = category
	}
	return result, nil
}