package emgql

import (
	"net/http"
	"net/url"
	"time"

	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
	"go.uber.org/zap"

	"go.equinixmetal.net/infra9-metal-bridge/internal/metal/providers"
)

const (
	defaultHTTPTimeout = 5 * time.Second
)

// DefaultHTTPClient is the default http client used if no client is provided.
var DefaultHTTPClient = &http.Client{
	Timeout:   defaultHTTPTimeout,
	Transport: otelhttp.NewTransport(http.DefaultTransport),
}

var _ providers.Provider = &Client{}

// Client is the client to interact with the equinix metal graphql service.
type Client struct {
	logger     *zap.SugaredLogger
	httpClient *http.Client
	baseURL    *url.URL
}

// New creates a new emapi client
func New(options ...Option) (*Client, error) {
	client := &Client{}

	for _, opt := range options {
		if err := opt(client); err != nil {
			return nil, err
		}
	}

	if client.logger == nil {
		client.logger = zap.NewNop().Sugar()
	}

	if client.httpClient == nil {
		client.httpClient = DefaultHTTPClient
	}

	return client, nil
}