package upstreamimpl

import (
	"context"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"
)

func TestQianxunTokenProviderAcceptsTokenWithoutExpiry(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.Method != http.MethodPost || r.URL.Path != "/oauth/access_token" {
			t.Fatalf("request = %s %s", r.Method, r.URL.Path)
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{"code":0,"msg":"success","data":{"token":"token-1","expireDate":0}}`))
	}))
	defer server.Close()

	provider := NewQianxunTokenProvider(QianxunTokenConfig{
		BaseURL: server.URL, Path: "/oauth/access_token", OperatorID: "operator-1",
		AppID: "app-1", TokenType: "card", Key: "key-1", Timeout: time.Second,
	})
	token, err := provider.Fetch(context.Background())
	if err != nil {
		t.Fatalf("fetch token: %v", err)
	}
	if token.Value != "token-1" {
		t.Fatalf("token = %q", token.Value)
	}
	if !token.ExpiresAt.IsZero() {
		t.Fatalf("expireDate=0 must produce a token without expiry: %s", token.ExpiresAt)
	}
}

func TestQianxunTokenProviderRejectsEmptyToken(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		_, _ = w.Write([]byte(`{"code":0,"msg":"success","data":{"token":"","expireDate":0}}`))
	}))
	defer server.Close()

	provider := NewQianxunTokenProvider(QianxunTokenConfig{
		BaseURL: server.URL, OperatorID: "operator-1", AppID: "app-1",
		TokenType: "card", Key: "key-1", Timeout: time.Second,
	})
	if _, err := provider.Fetch(context.Background()); err == nil {
		t.Fatal("expected empty token error")
	}
}