package gonexapp_test

import (
	"encoding/base64"
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"strings"

	gonexapp "gitea.neitzel.de/konrad/go-nc-exapp"
)

func ExampleUserFromRequest() {
	token := base64.StdEncoding.EncodeToString([]byte("alice:secret"))
	req := httptest.NewRequest(http.MethodGet, "/api", nil)
	req.Header.Set("AUTHORIZATION-APP-API", token)

	user, err := gonexapp.UserFromRequest(req)
	if err != nil {
		fmt.Println("err:", err)
		return
	}
	fmt.Println(user)
	// Output: alice
}

func ExampleCredentials_AuthHeaders() {
	cred := gonexapp.Credentials{
		BaseURL: "https://nextcloud.example", AppID: "myexapp", AppVersion: "0.1.0",
		AAVersion: "1.0.0", AppSecret: "s", UserID: "alice",
	}
	h := cred.AuthHeaders()
	fmt.Println(h.Get("EX-APP-ID"), h.Get("OCS-APIRequest") != "")
	// Output: myexapp true
}

func ExampleNewAppAPIPreferences() {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if strings.Contains(r.URL.Path, "get-values") {
			_, _ = io.WriteString(w, `{"ocs":{"data":[{"configkey":"savedDefault","configvalue":"Zones"}]}}`)
			return
		}
		w.WriteHeader(http.StatusOK)
		_, _ = io.WriteString(w, `{"ocs":{"data":{}}}`)
	}))
	defer srv.Close()

	cred := gonexapp.Credentials{
		BaseURL: srv.URL, AppID: "myexapp", AppVersion: "0.1.0", AAVersion: "1.0.0",
		AppSecret: "s", UserID: "alice",
	}
	prefs := gonexapp.NewAppAPIPreferences(cred, "myexapp", "savedDefault")
	prefs.Client = srv.Client()
	prefs.OCS.Client = srv.Client()

	value, err := prefs.Get()
	if err != nil {
		fmt.Println("err:", err)
		return
	}
	if err := prefs.Set("Zones"); err != nil {
		fmt.Println("set:", err)
		return
	}
	fmt.Println(value)
	// Output: Zones
}

func ExampleAccessGate_Wrap() {
	inner := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
		_, _ = io.WriteString(w, "ok")
	})
	h := gonexapp.AccessGate{}.Wrap(inner)

	rec := httptest.NewRecorder()
	h.ServeHTTP(rec, httptest.NewRequest(http.MethodGet, "/api", nil))
	fmt.Println(rec.Code, rec.Body.String())
	// Output: 200 ok
}

func ExampleResolveRequiredGroups() {
	fmt.Println(gonexapp.ResolveRequiredGroups("", false, nil))
	fmt.Println(len(gonexapp.ResolveRequiredGroups("", true, []string{"ops"})))
	// Output:
	// []
	// 0
}

func ExampleTopMenuAdminRequired() {
	fmt.Println(gonexapp.TopMenuAdminRequired("0", gonexapp.DefaultTopMenuAdminRequired))
	fmt.Println(gonexapp.TopMenuAdminRequired("maybe", gonexapp.DefaultTopMenuAdminRequired))
	// Output:
	// 0
	// 1
}