package gcl

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

// Download
func (storage *Storage) Download(path string) ([]byte, error) {
	// Create HTTP Request
	request, err := http.NewRequest("GET", fmt.Sprintf("https://%s/%s/%s", storage.endpoint, storage.zoneName, path), nil)
	// Handle Error
	if err != nil {
		return nil, err
	}
	// Add Headers
	request.Header.Add("accept", "*/*")
	request.Header.Add("AccessKey", storage.accessKey)
	// Do Request
	response, err := http.DefaultClient.Do(request)
	// Handle Error
	if err != nil {
		return nil, err
	}
	// Close Response
	defer response.Body.Close()
	// Read Body
	body, err := io.ReadAll(response.Body)
	// Handle Error
	if err != nil {
		return nil, err
	}
	// Check Response
	if response.StatusCode/100 != 2 {
		// Response Data
		responseData := struct {
			HttpCode int    `json:"HttpCode"`
			Message  string `json:"Message"`
		}{}
		// Unmarshal Body
		err := json.Unmarshal(body, &responseData)
		// Handle Error
		if err != nil {
			return nil, err
		}
		return nil, fmt.Errorf("%d : %s", response.StatusCode, responseData.Message)
	}
	// Success
	return body, err
}