package quikexport

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

const testKey = "k-0123456789abcdef0123456789abcdef"

func TestServiceSectionAndSave(t *testing.T) {
	dir := t.TempDir()
	keyPath := filepath.Join(dir, "module.key")
	setup := filepath.Join(dir, "setup.json")
	store := filepath.Join(dir, "quik-export", "settings.json")
	if err := os.WriteFile(keyPath, []byte(testKey+"\n"), 0o600); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(setup, []byte(`{"quik_export":{"enabled":true,"quik_host":"10.0.0.1","quik_user":"exp","preset":"npr"}}`), 0o600); err != nil {
		t.Fatal(err)
	}
	srv, err := New(Config{StorePath: store, SetupPath: setup, KeyPath: keyPath})
	if err != nil {
		t.Fatal(err)
	}
	if got := srv.store.Get(); got.QuikHost != "10.0.0.1" || !got.Enabled || got.QuikPort != 15100 {
		t.Fatalf("перенос настроек из setup.json: %+v", got)
	}
	h := srv.Handler()

	rec := httptest.NewRecorder()
	h.ServeHTTP(rec, httptest.NewRequest(http.MethodGet, "/section", nil))
	if rec.Code != http.StatusForbidden {
		t.Fatalf("без ключа: код %d", rec.Code)
	}

	req := httptest.NewRequest(http.MethodGet, "/section", nil)
	req.Header.Set("X-BJ-Module-Key", testKey)
	req.Header.Set("X-BJ-Licensed", "1")
	rec = httptest.NewRecorder()
	h.ServeHTTP(rec, req)
	if rec.Code != http.StatusOK {
		t.Fatalf("раздел: код %d: %s", rec.Code, rec.Body.String())
	}
	body := rec.Body.String()
	for _, want := range []string{"Подключение к серверу QUIK", `value="10.0.0.1"`, "/admin/setup/quikexport/apply"} {
		if !strings.Contains(body, want) {
			t.Errorf("в разделе нет %q", want)
		}
	}
	if ind := rec.Header().Get("X-BJ-Indicator"); ind == "err" {
		t.Errorf("индикатор при действующей лицензии: %q", ind)
	}

	form := url.Values{"part": {"quik"}, "quik_host": {"10.0.0.2"}, "quik_user": {"exp"}, "section": {"sec-quikexport"}}
	req = httptest.NewRequest(http.MethodPost, "/admin/setup/quikexport", strings.NewReader(form.Encode()))
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	req.Header.Set("X-BJ-Module-Key", testKey)
	rec = httptest.NewRecorder()
	h.ServeHTTP(rec, req)
	if rec.Code != http.StatusNoContent || rec.Header().Get("X-BJ-Flash") == "" {
		t.Fatalf("сохранение: код %d, flash %q", rec.Code, rec.Header().Get("X-BJ-Flash"))
	}
	if got := srv.store.Get(); got.QuikHost != "10.0.0.2" {
		t.Fatalf("после сохранения quik_host = %q", got.QuikHost)
	}
	if fi, err := os.Stat(store); err != nil || fi.Mode().Perm() != 0o600 {
		t.Fatalf("файл настроек: %v %v", fi, err)
	}
}