package channels

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

	"go.fifitido.net/twitch/api/endpoint"
)

type GetChannelEditorsResponse struct {
	// A list of users that are editors for the specified broadcaster. The list is empty if the broadcaster doesn’t have editors.
	Data []ChannelEditor `json:"data"`
}

type ChannelEditor struct {
	// An ID that uniquely identifies a user with editor permissions.
	UserID string `json:"user_id"`

	// The user’s display name.
	UserName string `json:"user_name"`

	// The date and time, in RFC3339 format, when the user became one of the broadcaster’s editors.
	CreatedAt time.Time `json:"created_at"`
}

// Gets the broadcaster’s list editors.
//
// Requires a user access token that includes the channel:read:editors scope.
func (c *Channels) GetChannelEditors(ctx context.Context, broadcasterID string) (*GetChannelEditorsResponse, error) {
	v := url.Values{"broadcaster_id": {broadcasterID}}

	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.Make(c.baseUrl, "channels/editors", v), nil)
	if err != nil {
		return nil, err
	}

	res, err := c.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 channel editors (%d)", res.StatusCode)
	}

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

	return &data, nil
}