package users

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

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

type BlockUserParams struct {
	// The ID of the user to block. The API ignores the request if the broadcaster has already blocked the user.
	TargetUserID string `url:"target_user_id"`

	// The location where the harassment took place that is causing the brodcaster to block the user. Possible values are:
	//
	// chat, whisper
	SourceContext *string `url:"source_context,omitempty"`

	// The reason that the broadcaster is blocking the user. Possible values are:
	//
	// harassment, spam, other
	Reason *string `url:"reason,omitempty"`
}

// Blocks the specified user from interacting with or having contact with the broadcaster.
// The user ID in the OAuth token identifies the broadcaster who is blocking the user.
//
// To learn more about blocking users,
// see Block Other Users on Twitch: https://help.twitch.tv/s/article/how-to-manage-harassment-in-chat?language=en_US#BlockWhispersandMessagesfromStrangers
//
// Requires a user access token that includes the user:manage:blocked_users scope.
func (u *Users) BlockUser(ctx context.Context, params *BlockUserParams) error {
	v, _ := query.Values(params)
	endpoint := u.baseUrl.ResolveReference(&url.URL{Path: "users/blocks", RawQuery: v.Encode()})

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

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

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

	return nil
}