package web_test

import (
	"fmt"
	"fuj-management/go/internal/web"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
)

func TestHTMLHandlerSmoke(t *testing.T) {
	renderer, err := web.NewRenderer()
	if err != nil {
		t.Fatalf("NewRenderer: %v", err)
	}
	b := web.BuildInfo{Version: "v0", Commit: "abc1234", BuildDate: "2026-01-01"}
	h := web.NewHTMLHandler(renderer, b)

	cases := []struct {
		path    string
		handler http.HandlerFunc
	}{
		{"/adults", h.ServeAdults},
		{"/juniors", h.ServeJuniors},
		{"/payments", h.ServePayments},
		{"/sync-bank", h.ServeSync},
		{"/flush-cache", h.ServeFlushCache},
	}

	for _, tc := range cases {
		t.Run(tc.path, func(t *testing.T) {
			req := httptest.NewRequest(http.MethodGet, tc.path, nil)
			w := httptest.NewRecorder()
			tc.handler(w, req)

			if w.Code != http.StatusOK {
				t.Errorf("status = %d, want 200", w.Code)
			}
			if ct := w.Header().Get("Content-Type"); !strings.HasPrefix(ct, "text/html") {
				t.Errorf("Content-Type = %q, want text/html", ct)
			}

			body := w.Body.String()
			if n := strings.Count(body, `class="active"`); n != 1 {
				t.Errorf(`class="active" count = %d, want 1`, n)
			}
			want := fmt.Sprintf(`href="%s" class="active"`, tc.path)
			if !strings.Contains(body, want) {
				t.Errorf("missing active link %q in body", want)
			}
		})
	}
}