package users

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

	"github.com/google/go-querystring/query"
)

type GetUserActiveExtensionsParams struct {
	// The ID of the broadcaster whose active extensions you want to get.
	//
	// This  parameter is required if you specify an app access token and is optional if you specify a user access token.
	// If you specify a user access token and don’t specify this parameter, the API uses the user ID from the access token.
	UserID string `url:"user_id,omitempty"`
}

type GetUserActiveExtensionsResponse struct {
	// The active extensions that the broadcaster has installed.
	Data []ActiveExtension `json:"data"`
}

// Gets the active extensions that the broadcaster has installed for each configuration.
//
// NOTE: To include extensions that you have under development,
// you must specify a user access token that includes the user:read:broadcast or user:edit:broadcast scope.
//
// Requires an app access token or user access token.
func (u *Users) GetUserActiveExtensions(ctx context.Context, params *GetUserActiveExtensionsParams) (*GetUserActiveExtensionsResponse, error) {
	v, _ := query.Values(params)
	endpoint := u.baseUrl.ResolveReference(&url.URL{Path: "users/extensions", RawQuery: v.Encode()})

	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.String(), nil)
	if err != nil {
		return nil, err
	}

	res, err := u.client.Do(req)
	if err != nil {
		return nil, err
	}
	defer res.Body.Close()

	statusOK := res.StatusCode >= 200 && res.StatusCode < 300
	if !statusOK {
		return nil, fmt.Errorf("failed to get user active extensions (%d)", res.StatusCode)
	}

	var data GetUserActiveExtensionsResponse
	if err := json.NewDecoder(res.Body).Decode(&data); err != nil {
		return nil, err
	}

	return &data, nil
}