package eshop

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

	"fotbal-club/internal/config"
	"fotbal-club/internal/models"
	"fotbal-club/internal/services"

	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

// TestShippingController_UpdatePacketStatuses_UpdatesLabelStatus verifies that
// the background updater uses PacketaService to refresh label statuses.
func TestShippingController_UpdatePacketStatuses_UpdatesLabelStatus(t *testing.T) {
	// In-memory SQLite DB for isolated test
	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
	if err != nil {
		t.Fatalf("failed to open in-memory db: %v", err)
	}

	// Migrate only the necessary e-shop tables
	if err := db.AutoMigrate(&models.EshopOrder{}, &models.EshopShippingLabel{}); err != nil {
		t.Fatalf("failed to migrate schemas: %v", err)
	}

	// Seed one label in a non-terminal state
	label := models.EshopShippingLabel{
		OrderID:         1,
		Carrier:         "packeta",
		PacketaPacketID: "12345",
		Status:          "created",
	}
	if err := db.Create(&label).Error; err != nil {
		t.Fatalf("failed to seed label: %v", err)
	}

	// Fake Packeta API that always returns DELIVERED
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "text/xml")
		w.WriteHeader(http.StatusOK)
		_, _ = w.Write([]byte(`
			<response>
				<status>ok</status>
				<result>
					<statusCode>DELIVERED</statusCode>
					<statusText>DELIVERED</statusText>
				</result>
			</response>
		`))
	}))
	defer server.Close()

	cfg := &config.Config{
		PacketaAPIPassword: "test-password",
		PacketaEshopName:   "TestEshop",
	}

	// Use the shared PacketaService but point it to our test server
	packetaSvc := &services.PacketaService{
		ApiPassword: cfg.PacketaAPIPassword,
		ApiUrl:      server.URL,
		EshopName:   cfg.PacketaEshopName,
	}

	ctrl := &ShippingController{
		Config:         cfg,
		PacketaService: packetaSvc,
	}

	// Run the updater
	ctrl.UpdatePacketStatuses(db)

	// Reload label and verify status was updated from Packeta response
	var updated models.EshopShippingLabel
	if err := db.First(&updated, label.ID).Error; err != nil {
		t.Fatalf("failed to load updated label: %v", err)
	}

	if updated.Status != "DELIVERED" {
		t.Fatalf("expected status DELIVERED, got %q", updated.Status)
	}
}