package web

import (
	"context"
	"net/http"
)

// Request is an interface for HTTP requests.
type Request interface {
	Context() context.Context
	Header(key string) string
	Host() string
	Method() string
	Path() string
	Protocol() string
	Read([]byte) (int, error)
	Scheme() string
}

// request represents the HTTP request used in the given context.
type request struct {
	*http.Request
}

// Context returns the request context.
func (req request) Context() context.Context {
	return req.Request.Context()
}

// Header returns the header value for the given key.
func (req request) Header(key string) string {
	return req.Request.Header.Get(key)
}

// Method returns the request method.
func (req request) Method() string {
	return req.Request.Method
}

// Protocol returns the request protocol.
func (req request) Protocol() string {
	return req.Request.Proto
}

// Host returns the requested host.
func (req request) Host() string {
	return req.Request.Host
}

// Path returns the requested path.
func (req request) Path() string {
	return req.Request.URL.Path
}

// // Read implements the io.Reader interface and reads the request body.
func (req request) Read(buffer []byte) (int, error) {
	return req.Request.Body.Read(buffer)
}

// Scheme returns either `http` or `https`.
func (req request) Scheme() string {
	return req.Request.URL.Scheme
}