package client

import (
	"context"
	"encoding/json"
	"fmt"
	"io"
	"net/http"

	"git.espin.casa/albert/mercadona/pkg/types/mercadona"
)

const (
	BaseURL string = "https://tienda.mercadona.es"
)

type IMercadona interface {
	// Get Mercadona products based on barcode scanned id
	GetMercadonaProduct(ctx context.Context, id string) (*mercadona.Product, error)
}

type client struct{ url string }

// GetMercadonaProduct implements IMercadona.
func (c client) GetMercadonaProduct(ctx context.Context, id string) (*mercadona.Product, error) {
	// product holder
	product := &mercadona.Product{}
	// crate url endpoint
	url := fmt.Sprintf("%s/api/products/%s/xselling/?lang=es&wh=bcn1&exclude=", BaseURL, id)
	// create http Get Request
	resp, err := http.Get(url)
	// check if error
	if err != nil {
		return nil, err
	}
	// close body response
	defer resp.Body.Close()
	// read body response
	body, err := io.ReadAll(resp.Body)
	// check if error on read body
	if err != nil {
		return nil, err
	}
	// unmarshal json body response
	if err := json.Unmarshal(body, product); err != nil {
		return nil, err
	}
	return product, nil
}

func NewClient() IMercadona {
	url := BaseURL
	return client{
		url: url,
	}
}