package web

import (
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"path/filepath"
	"testing"
	"time"

	"github.com/tolelom/catacombs/config"
	"github.com/tolelom/catacombs/game"
	"github.com/tolelom/catacombs/store"
)

func TestAdminEndpoint(t *testing.T) {
	tmpDir := t.TempDir()
	db, err := store.Open(filepath.Join(tmpDir, "test.db"))
	if err != nil {
		t.Fatalf("open db: %v", err)
	}
	defer db.Close()

	cfg, _ := config.Load("")
	cfg.Admin = config.AdminConfig{Username: "admin", Password: "secret"}
	lobby := game.NewLobby(cfg)

	handler := AdminHandler(lobby, db, time.Now())

	// Test without auth → 401
	req := httptest.NewRequest("GET", "/admin", nil)
	w := httptest.NewRecorder()
	handler.ServeHTTP(w, req)
	if w.Code != http.StatusUnauthorized {
		t.Fatalf("expected 401, got %d", w.Code)
	}

	// Test with wrong auth → 401
	req = httptest.NewRequest("GET", "/admin", nil)
	req.SetBasicAuth("admin", "wrong")
	w = httptest.NewRecorder()
	handler.ServeHTTP(w, req)
	if w.Code != http.StatusUnauthorized {
		t.Fatalf("expected 401, got %d", w.Code)
	}

	// Test with correct auth → 200 + JSON
	req = httptest.NewRequest("GET", "/admin", nil)
	req.SetBasicAuth("admin", "secret")
	w = httptest.NewRecorder()
	handler.ServeHTTP(w, req)
	if w.Code != http.StatusOK {
		t.Fatalf("expected 200, got %d", w.Code)
	}

	var stats AdminStats
	if err := json.Unmarshal(w.Body.Bytes(), &stats); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}

	if stats.OnlinePlayers != 0 {
		t.Fatalf("expected 0 online, got %d", stats.OnlinePlayers)
	}
}