package processor

import (
	"context"
	"testing"
	"time"

	"apskel-pos-be/internal/entities"
	"apskel-pos-be/internal/models"

	"github.com/google/uuid"
	"github.com/stretchr/testify/require"
)

type analyticsRepositoryStub struct {
	purchasingResult *entities.PurchasingAnalytics
}

func (analyticsRepositoryStub) GetPaymentMethodAnalytics(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time) ([]*entities.PaymentMethodAnalytics, error) {
	return nil, nil
}

func (analyticsRepositoryStub) GetSalesAnalytics(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time, string) ([]*entities.SalesAnalytics, error) {
	return nil, nil
}

func (s analyticsRepositoryStub) GetPurchasingAnalytics(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time, string) (*entities.PurchasingAnalytics, error) {
	return s.purchasingResult, nil
}

func (analyticsRepositoryStub) GetProductAnalytics(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time, int) ([]*entities.ProductAnalytics, error) {
	return nil, nil
}

func (analyticsRepositoryStub) GetProductAnalyticsPerCategory(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time) ([]*entities.ProductAnalyticsPerCategory, error) {
	return nil, nil
}

func (analyticsRepositoryStub) GetDashboardOverview(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time) (*entities.DashboardOverview, error) {
	return nil, nil
}

func (analyticsRepositoryStub) GetProfitLossAnalytics(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time, string) (*entities.ProfitLossAnalytics, error) {
	return nil, nil
}

func TestAnalyticsProcessorGetPurchasingAnalyticsPassesOutletName(t *testing.T) {
	outletID := uuid.New()
	outletName := "Main Outlet"
	now := time.Date(2026, 5, 1, 0, 0, 0, 0, time.UTC)
	processor := NewAnalyticsProcessorImpl(analyticsRepositoryStub{
		purchasingResult: &entities.PurchasingAnalytics{
			OutletName: &outletName,
			Summary: entities.PurchasingSummary{
				TotalPurchases: 125,
			},
		},
	})

	result, err := processor.GetPurchasingAnalytics(context.Background(), &models.PurchasingAnalyticsRequest{
		OrganizationID: uuid.New(),
		OutletID:       &outletID,
		DateFrom:       now,
		DateTo:         now,
	})

	require.NoError(t, err)
	require.NotNil(t, result)
	require.Equal(t, &outletID, result.OutletID)
	require.NotNil(t, result.OutletName)
	require.Equal(t, outletName, *result.OutletName)
	require.Equal(t, float64(125), result.Summary.TotalPurchases)
}