package supervisor

import (
	"context"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"strings"
	"testing"
	"time"
)

func TestAllocatedStartInjectsDynamicEndpointAndCallsReadyAfterProbe(t *testing.T) {
	ready := false
	readyCalled := false
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/gameserver":
			_, _ = w.Write([]byte(`{"status":{"address":"203.0.113.9","ports":[{"name":"game","port":31001}]}}`))
		case "/ready-probe":
			if ready {
				w.WriteHeader(http.StatusOK)
			} else {
				w.WriteHeader(http.StatusServiceUnavailable)
			}
		case "/ready":
			readyCalled = true
			w.WriteHeader(http.StatusOK)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer server.Close()

	ready = true
	path := filepath.Join(t.TempDir(), "env.txt")
	command := []string{"/bin/sh", "-c", "env > " + path}
	s, err := New(Config{Command: command, SDKBaseURL: server.URL, ReadyURL: server.URL + "/ready-probe", ReadyTimeout: time.Second, PollInterval: time.Millisecond})
	if err != nil {
		t.Fatal(err)
	}
	if err := s.Start(context.Background()); err != nil {
		t.Fatal(err)
	}
	if err := s.Wait(); err != nil {
		t.Fatal(err)
	}
	contents, err := os.ReadFile(path)
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(string(contents), "SDR_LISTEN_PORT=31001") || !strings.Contains(string(contents), "SDR_IP=203.0.113.9:31001") {
		t.Fatalf("dynamic endpoint not injected: %s", contents)
	}
	if !readyCalled {
		t.Fatal("Agones Ready was called before process-ready probe")
	}
}

func TestDirectModeDoesNotRequireAgonesReadiness(t *testing.T) {
	s, err := New(Config{Command: []string{"/bin/sh", "-c", "exit 0"}})
	if err != nil {
		t.Fatal(err)
	}
	if err := s.Start(context.Background()); err != nil {
		t.Fatal(err)
	}
	if err := s.Wait(); err != nil {
		t.Fatal(err)
	}
}