package testutil

import (
	"io"
	"net/http"
	"net/http/httptest"
	"strings"
)

// Option is a function type for configuring HTTP requests
type Option func(*http.Request)

// WithBody adds a request body
func WithBody(body string) Option {
	return func(r *http.Request) {
		r.Body = io.NopCloser(strings.NewReader(body))
	}
}

// WithHeader adds a request header
func WithHeader(name, value string) Option {
	return func(r *http.Request) {
		r.Header.Set(name, value)
	}
}

// WithAuthToken adds an Authorization Bearer token to the request
func WithAuthToken(token string) Option {
	return func(r *http.Request) {
		r.Header.Set("Authorization", "Bearer "+token)
	}
}

// NewTestRequest creates a new HTTP test request with the specified method, path, and options
func NewTestRequest(method, path string, opts ...Option) *http.Request {
	r := httptest.NewRequest(method, path, nil)
	for _, opt := range opts {
		opt(r)
	}
	return r
}

// PerformRequest executes a request against a handler and returns the response recorder
func PerformRequest(handler http.HandlerFunc, method, path string, opts ...Option) *httptest.ResponseRecorder {
	w := httptest.NewRecorder()
	r := NewTestRequest(method, path, opts...)
	handler(w, r)
	return w
}

// PerformRequestWithHandler executes a request against an http.Handler and returns the response recorder
func PerformRequestWithHandler(handler http.Handler, method, path string, opts ...Option) *httptest.ResponseRecorder {
	w := httptest.NewRecorder()
	r := NewTestRequest(method, path, opts...)
	handler.ServeHTTP(w, r)
	return w
}