package api

import (
	"errors"
	"gitea.24example.ru/spavelit/bpiek/model"
)

var products []model.Product
var remainsAndPlanresidues []model.ShortProduct

func (a *Api) GetProducts() ([]model.Product, error) {

	if len(products) > 0 {
		return products, nil
	}

	parentCategories, err := a.GetParentCategories()

	if err != nil {
		return nil, err
	}

	for _, category := range parentCategories {
		categoriesAndProduct, err := a.GetCategoriesAndProductsBySlugParentCategory(category.Slug)
		if err != nil {
			return nil, err
		}

		if len(categoriesAndProduct.Products) != 0 {
			products = append(products, categoriesAndProduct.Products...)
		}
	}

	return products, nil
}

func (a *Api) GetProductByArticle(article string) (model.Product, error) {
	apiResponse, err := a.Client.HTTPClient.
		R().
		SetResult(&model.Product{}).
		Get("client/products/" + article)

	if err != nil {
		return model.Product{}, err
	}

	if apiResponse.StatusCode() != 200 {
		return model.Product{}, errors.New(
			"error getting product by article: " + article)
	}

	product, ok := apiResponse.Result().(*model.Product)
	if !ok {
		return model.Product{}, errors.New("failed to parse product from response")
	}

	return *product, nil
}

func (a *Api) GetRemainsAndPlanresidues() ([]model.ShortProduct, error) {
	if len(remainsAndPlanresidues) != 0 {
		return remainsAndPlanresidues, nil
	}

	parentCategories, err := a.GetParentCategories()

	if err != nil {
		return nil, err
	}

	for _, category := range parentCategories {
		apiResponse, err := a.Client.HTTPClient.
			R().
			SetResult(&model.RemainsAndPlanresiduesResponse{}).
			Get("client/category/" + category.Slug + "/balances-json")

		if err != nil {
			return nil, err
		}

		if apiResponse.StatusCode() != 200 {
			return nil, errors.New("file remains and planresidues not found")
		}

		result := apiResponse.Result().(*model.RemainsAndPlanresiduesResponse)

		if len(result.Products) != 0 {
			remainsAndPlanresidues = append(remainsAndPlanresidues, result.Products...)
		}
	}

	return remainsAndPlanresidues, nil

}