package benefactoraddressvalidator

import (
	"context"
	"errors"
	"testing"

	addressparam "git.gocasts.ir/ebhomengo/niki/param/benefactor/address"
	benefactorparam "git.gocasts.ir/ebhomengo/niki/param/benefactor/benefactor"
	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
	"github.com/stretchr/testify/assert"
)

func TestValidator_ValidateDeleteRequest(t *testing.T) {
	mockBenefactorSvc := NewMockBenefactorSvc(t)
	mockRepository := NewMockRepository(t)
	validator := New(mockBenefactorSvc, mockRepository)
	ctx := context.Background()

	t.Run("Successful validation", func(t *testing.T) {
		req := addressparam.DeleteAddressRequest{
			AddressID:    1,
			BenefactorID: 1,
		}

		mockBenefactorSvc.EXPECT().BenefactorExistByID(ctx, benefactorparam.BenefactorExistByIDRequest{ID: 1}).
			Return(benefactorparam.BenefactorExistByIDResponse{Existed: true}, nil).Once()
		mockRepository.EXPECT().IsExistAddressByID(ctx, uint(1), uint(1)).
			Return(true, nil).Once()

		fieldErrors, err := validator.ValidateDeleteRequest(ctx, req)

		assert.NoError(t, err)
		assert.Nil(t, fieldErrors)
	})

	t.Run("Empty benefactor id", func(t *testing.T) {
		req := addressparam.DeleteAddressRequest{
			AddressID:    1,
			BenefactorID: 0,
		}

		mockRepository.EXPECT().IsExistAddressByID(ctx, uint(1), uint(0)).
			Return(true, nil).Once()

		fieldErrors, err := validator.ValidateDeleteRequest(ctx, req)

		assert.Error(t, err)
		assert.NotNil(t, fieldErrors)
		assert.Contains(t, fieldErrors, "BenefactorID")
	})

	t.Run("Benefactor does not exist", func(t *testing.T) {
		req := addressparam.DeleteAddressRequest{
			AddressID:    1,
			BenefactorID: 1,
		}

		mockBenefactorSvc.EXPECT().BenefactorExistByID(ctx, benefactorparam.BenefactorExistByIDRequest{ID: 1}).
			Return(benefactorparam.BenefactorExistByIDResponse{Existed: false}, nil).Once()
		mockRepository.EXPECT().IsExistAddressByID(ctx, uint(1), uint(1)).
			Return(true, nil).Once()

		fieldErrors, err := validator.ValidateDeleteRequest(ctx, req)

		assert.Error(t, err)
		assert.NotNil(t, fieldErrors)
		assert.Equal(t, errmsg.ErrorMsgBenefactorNotFound, fieldErrors["BenefactorID"])
	})

	t.Run("Benefactor exist error", func(t *testing.T) {
		req := addressparam.DeleteAddressRequest{
			AddressID:    1,
			BenefactorID: 1,
		}

		mockBenefactorSvc.EXPECT().BenefactorExistByID(ctx, benefactorparam.BenefactorExistByIDRequest{ID: 1}).
			Return(benefactorparam.BenefactorExistByIDResponse{Existed: false}, errors.New("service error")).Once()
		mockRepository.EXPECT().IsExistAddressByID(ctx, uint(1), uint(1)).
			Return(true, nil).Once()

		fieldErrors, err := validator.ValidateDeleteRequest(ctx, req)

		assert.Error(t, err)
		assert.NotNil(t, fieldErrors)
		assert.Equal(t, errmsg.ErrorMsgSomethingWentWrong, fieldErrors["BenefactorID"])
	})

	t.Run("Empty address id", func(t *testing.T) {
		req := addressparam.DeleteAddressRequest{
			AddressID:    0,
			BenefactorID: 1,
		}

		mockBenefactorSvc.EXPECT().BenefactorExistByID(ctx, benefactorparam.BenefactorExistByIDRequest{ID: 1}).
			Return(benefactorparam.BenefactorExistByIDResponse{Existed: true}, nil).Once()

		fieldErrors, err := validator.ValidateDeleteRequest(ctx, req)

		assert.Error(t, err)
		assert.NotNil(t, fieldErrors)
		assert.Contains(t, fieldErrors, "AddressID")
	})

	t.Run("Address does not exist", func(t *testing.T) {
		req := addressparam.DeleteAddressRequest{
			AddressID:    1,
			BenefactorID: 1,
		}

		mockBenefactorSvc.EXPECT().BenefactorExistByID(ctx, benefactorparam.BenefactorExistByIDRequest{ID: 1}).
			Return(benefactorparam.BenefactorExistByIDResponse{Existed: true}, nil).Once()
		mockRepository.EXPECT().IsExistAddressByID(ctx, uint(1), uint(1)).
			Return(false, nil).Once()

		fieldErrors, err := validator.ValidateDeleteRequest(ctx, req)

		assert.Error(t, err)
		assert.NotNil(t, fieldErrors)
		assert.Equal(t, errmsg.ErrorMsgNotFound, fieldErrors["AddressID"])
	})

	t.Run("Address exist error", func(t *testing.T) {
		req := addressparam.DeleteAddressRequest{
			AddressID:    1,
			BenefactorID: 1,
		}

		mockBenefactorSvc.EXPECT().BenefactorExistByID(ctx, benefactorparam.BenefactorExistByIDRequest{ID: 1}).
			Return(benefactorparam.BenefactorExistByIDResponse{Existed: true}, nil).Once()
		mockRepository.EXPECT().IsExistAddressByID(ctx, uint(1), uint(1)).
			Return(false, errors.New("repository error")).Once()

		fieldErrors, err := validator.ValidateDeleteRequest(ctx, req)

		assert.Error(t, err)
		assert.NotNil(t, fieldErrors)
		assert.Equal(t, errmsg.ErrorMsgSomethingWentWrong, fieldErrors["AddressID"])
	})
}