package moderation

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

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

type GetShieldModeStatusParams struct {
	// The ID of the broadcaster whose Shield Mode activation status you want to get.
	BroadcasterID string `url:"broadcaster_id"`

	// The ID of the broadcaster or a user that is one of the broadcaster’s moderators. This ID must match the user ID in the access token.
	ModeratorID string `url:"moderator_id"`
}

type GetShieldModeStatusResponse struct {
	// A list that contains a single object with the broadcaster’s Shield Mode status.
	Data []ShieldModeStatus `json:"data"`
}

// Gets the broadcaster’s Shield Mode activation status.
//
// To receive notification when the broadcaster activates and deactivates Shield Mode,
// subscribe to the channel.shield_mode.begin and channel.shield_mode.end subscription types.
//
// Requires a user access token that includes the moderator:read:shield_mode or moderator:manage:shield_mode scope.
func (m *Moderation) GetShieldModeStatus(ctx context.Context, params *GetShieldModeStatusParams) (*GetShieldModeStatusResponse, error) {
	v, _ := query.Values(params)
	endpoint := m.baseUrl.ResolveReference(&url.URL{Path: "moderation/shield_mode", RawQuery: v.Encode()})

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

	res, err := m.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 shield mode status (%d)", res.StatusCode)
	}

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

	return &data, nil
}