package web

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

func TestPasswordMaxBytes(t *testing.T) {
	if ok, _ := passwordValid(strings.Repeat("a", 8)); !ok {
		t.Fatal("8 ascii runes should pass")
	}
	if ok, msg := passwordValid(strings.Repeat("a", 73)); ok || !strings.Contains(msg, "72") {
		t.Fatalf("73 bytes should fail: ok=%v msg=%q", ok, msg)
	}
}

func TestLogoutDestroysSession(t *testing.T) {
	srv, _ := newTestServer(t, Config{})
	h := srv.Handler()
	name := uniq("out")
	cookies := registerUser(t, h, name, "hunter22")

	rec := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, "/profile", nil)
	for _, c := range cookies {
		req.AddCookie(c)
	}
	h.ServeHTTP(rec, req)
	if rec.Code != 200 {
		t.Fatalf("profile before logout %d", rec.Code)
	}
	csrf := csrfFrom(rec.Body.String())
	form := strings.NewReader("_csrf=" + csrf)
	req = httptest.NewRequest(http.MethodPost, "/logout", form)
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	for _, c := range cookies {
		req.AddCookie(c)
	}
	rec = httptest.NewRecorder()
	h.ServeHTTP(rec, req)
	if rec.Code != http.StatusSeeOther {
		t.Fatalf("logout %d", rec.Code)
	}
	postLogout := mergeCookies(cookies, rec.Result().Cookies())

	req = httptest.NewRequest(http.MethodGet, "/profile", nil)
	for _, c := range postLogout {
		req.AddCookie(c)
	}
	rec = httptest.NewRecorder()
	h.ServeHTTP(rec, req)
	if rec.Code != http.StatusSeeOther {
		t.Fatalf("profile after logout should redirect, got %d", rec.Code)
	}
}