package mock

import (
	"fmt"
	"net/url"

	"github.com/walkerus/go-wiremock"
	"go.uber.org/zap"
	"penahub.gitlab.yandexcloud.net/external/treasurer/internal/errors"
	"penahub.gitlab.yandexcloud.net/external/treasurer/internal/models"
	"penahub.gitlab.yandexcloud.net/external/treasurer/internal/models/yandex"
)

type YoomoneyMockServiceDeps struct {
	Logger      *zap.Logger
	YoomoneyURL *models.YoomomeyURL
}

type YoomoneyMockService struct {
	logger      *zap.Logger
	yoomoneyURL *models.YoomomeyURL
}

func NewYoomoneyMockService(deps YoomoneyMockServiceDeps) (*YoomoneyMockService, errors.Error) {
	if deps.Logger == nil {
		return nil, errors.NewWithMessage("logger is nil on <NewYoomoneyMockService>", errors.ErrInvalidArgs)
	}

	if deps.YoomoneyURL == nil {
		return nil, errors.NewWithMessage("yoomoney urls is nil on <NewYoomoneyMockService>", errors.ErrInvalidArgs)
	}

	return &YoomoneyMockService{
		logger:      deps.Logger,
		yoomoneyURL: deps.YoomoneyURL,
	}, nil
}

func (receiver *YoomoneyMockService) Register(host string) errors.Error {
	return receiver.RegisterPayments(host)
}

func (receiver *YoomoneyMockService) RegisterPayments(host string) errors.Error {
	url, parseErr := url.Parse(receiver.yoomoneyURL.Payments)
	if parseErr != nil {
		receiver.logger.Error("failed to parse payment url on <RegisterPayment> of <YoomoneyMockService>",
			zap.Error(parseErr),
			zap.String("url", receiver.yoomoneyURL.Payments),
		)

		return errors.NewWithError(fmt.Errorf("failed to parse payment url: %w", parseErr), errors.ErrInternalError)
	}

	if url.Host != host {
		return errors.NewWithMessage("yoomoney hosts not equal", errors.ErrInternalError)
	}

	mockClient := wiremock.NewClient(host)

	rule := wiremock.
		Post(wiremock.URLPathEqualTo(url.Path)).
		WillReturnJSON(
			&yandex.Payment{
				ID:     "f32d71f4-214b-464b-94bb-f7b4d5299af0",
				Status: yandex.PaymentStatusPending,
				Amount: yandex.Amount{
					Value:    "150.00",
					Currency: "RUB",
				},
				Confirmation: &yandex.ConfirmationRedirect{
					Type:            yandex.ConfirmationTypeRedirect,
					ConfirmationURL: "https://yandex-redirect-url.com",
				},
			},
			map[string]string{"Content-Type": "application/json"},
			200,
		).
		AtPriority(1)

	if err := mockClient.StubFor(rule); err != nil {
		receiver.logger.Error("failed to init payment mock handler on <RegisterPayment> of <YoomoneyMockService>", zap.Error(err))
		return errors.NewWithError(fmt.Errorf("failed to init payment mock handler: %w", err), errors.ErrInternalError)
	}

	isVerified, err := mockClient.Verify(wiremock.NewRequest("post", wiremock.URLPathEqualTo(url.Path)), 0)
	if err != nil {
		receiver.logger.Error("failed to verify payment mock handler on <RegisterPayment> of <YoomoneyMockService>", zap.Error(err))
		return errors.NewWithError(fmt.Errorf("failed to verify payment mock handler: %w", err), errors.ErrInternalError)
	}

	if !isVerified {
		return errors.NewWithMessage("payment mock handler not verified", errors.ErrInternalError)
	}

	return nil
}