package chat

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

	"github.com/google/go-querystring/query"
	"go.fifitido.net/twitch/api/endpoint"
)

type GetChatSettingsParams struct {
	// The ID of the broadcaster whose chat settings you want to get.
	BroadcasterID string `url:"broadcaster_id"`

	// The ID of the broadcaster or one of the broadcaster’s moderators.
	//
	// This field is required only if you want to include the non_moderator_chat_delay and non_moderator_chat_delay_duration settings in the response.
	//
	// If you specify this field, this ID must match the user ID in the user access token.
	ModeratorID *string `url:"moderator_id,omitempty"`
}

type GetChatSettingsResponse struct {
	// The list of chat settings. The list contains a single object with all the settings.
	Data []Settings `json:"data"`
}

// Gets the broadcaster’s chat settings.
//
// For an overview of chat settings,
// see Chat Commands for Broadcasters and Moderators: https://help.twitch.tv/s/article/chat-commands#AllMods
// and Moderator Preferences: https://help.twitch.tv/s/article/setting-up-moderation-for-your-twitch-channel#modpreferences
//
// Requires an app access token or user access token.
func (c *Chat) GetChatSettings(ctx context.Context, params *GetChatSettingsParams) (*GetChatSettingsResponse, error) {
	v, _ := query.Values(params)

	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.Make(c.baseUrl, "chat/settings", 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 chat settings (%d)", res.StatusCode)
	}

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

	return &data, nil
}