package server_test

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"

	"testing"

	"clintonambulance.com/calculate_negative_points/internal/config"
	"clintonambulance.com/calculate_negative_points/internal/server"
	. "github.com/onsi/ginkgo/v2"
	. "github.com/onsi/gomega"
)

func TestServer(t *testing.T) {
	RegisterFailHandler(Fail)
	RunSpecs(t, "Http Suite")
}

var _ = Describe("NewHttpServer", func() {
	It("Creates a new HttpServer", func() {
		var logOutput bytes.Buffer
		version := config.Version{Release: "test-version"}
		logger, _ := config.NewLogger(version, &logOutput, []string{"cmd", "-e", "testEnvironment"})
		srv, _ := server.NewHttpServer(logger, version)
		srv.Method(http.MethodHead, "/dummy-route", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			w.WriteHeader(http.StatusNoContent)
		}))

		req := httptest.NewRequest(http.MethodGet, "/foobar", nil)
		rec := httptest.NewRecorder()

		// Validate that the server responds with the web frontend for unknown routes
		srv.ServeHTTP(rec, req)

		Expect(rec.Code).To(Equal(http.StatusNotFound))
		Expect(rec.Header().Get("Content-Type")).To(Equal("application/json; charset=UTF-8"))
		Expect(rec.Body.String()).To(ContainSubstring(`{"message":"Not Found"}`))

		// Validate that it writes to the log for all requests
		var logMessage map[string]interface{}
		err := json.Unmarshal(logOutput.Bytes(), &logMessage)
		Expect(err).ToNot(HaveOccurred())
		Expect(logMessage["msg"]).To(Equal("HTTP request processed"))
		Expect(logMessage["method"]).To(Equal("GET"))
		Expect(logMessage["uri"]).To(Equal("/foobar"))
		Expect(logMessage["status"]).To(Equal(404.0))
	})
})