package user

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gin-gonic/gin"
	"github.com/perfect-panel/server/internal/svc"
	"github.com/perfect-panel/server/pkg/xerr"
)

func TestUpdateUserSubscribeHandlerRejectsInvalidLimits(t *testing.T) {
	gin.SetMode(gin.TestMode)

	tests := []struct {
		name string
		body string
	}{
		{
			name: "negative speed limit",
			body: `{"user_subscribe_id":1,"subscribe_id":1,"traffic":0,"expired_at":4102444800000,"upload":0,"download":0,"speed_limit":-1}`,
		},
		{
			name: "invalid traffic limit json",
			body: `{"user_subscribe_id":1,"subscribe_id":1,"traffic":0,"expired_at":4102444800000,"upload":0,"download":0,"traffic_limit":"not-json"}`,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			router := gin.New()
			router.PUT("/v1/admin/user/subscribe", UpdateUserSubscribeHandler(&svc.ServiceContext{}))

			req := httptest.NewRequest(http.MethodPut, "/v1/admin/user/subscribe", bytes.NewBufferString(tt.body))
			req.Header.Set("Content-Type", "application/json")
			rec := httptest.NewRecorder()

			router.ServeHTTP(rec, req)

			if rec.Code != http.StatusOK {
				t.Fatalf("expected HTTP 200, got %d", rec.Code)
			}

			var resp struct {
				Code uint32 `json:"code"`
				Msg  string `json:"msg"`
			}
			if err := json.Unmarshal(rec.Body.Bytes(), &resp); err != nil {
				t.Fatalf("unmarshal response: %v", err)
			}
			if resp.Code != xerr.InvalidParams {
				t.Fatalf("expected code %d, got %d (%s)", xerr.InvalidParams, resp.Code, resp.Msg)
			}
		})
	}
}