package controllers

import (
	"context"
	"encoding/json"
	"testing"
	"time"

	"github.com/getAlby/go-nostr"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"github.com/getAlby/hub/db"
	"github.com/getAlby/hub/nip47/models"
	"github.com/getAlby/hub/tests"
)

var nip47LookupInvoiceJson = `
{
	"method": "lookup_invoice",
	"params": {
		"payment_hash": "` + tests.MockLNClientTransaction.PaymentHash + `"
	}
}
`

func TestHandleLookupInvoiceEvent(t *testing.T) {
	ctx := context.TODO()
	svc, err := tests.CreateTestService(t)
	require.NoError(t, err)
	defer svc.Remove()

	nip47Request := &models.Request{}
	err = json.Unmarshal([]byte(nip47LookupInvoiceJson), nip47Request)
	assert.NoError(t, err)

	app, _, err := tests.CreateApp(svc)
	assert.NoError(t, err)

	dbRequestEvent := &db.RequestEvent{
		AppId: &app.ID,
	}
	err = svc.DB.Create(&dbRequestEvent).Error
	assert.NoError(t, err)

	settledAt := time.Unix(*tests.MockLNClientTransaction.SettledAt, 0)
	err = svc.DB.Create(&db.Transaction{
		Type:            tests.MockLNClientTransaction.Type,
		PaymentRequest:  tests.MockLNClientTransaction.Invoice,
		Description:     tests.MockLNClientTransaction.Description,
		DescriptionHash: tests.MockLNClientTransaction.DescriptionHash,
		Preimage:        &tests.MockLNClientTransaction.Preimage,
		PaymentHash:     tests.MockLNClientTransaction.PaymentHash,
		AmountMsat:      uint64(tests.MockLNClientTransaction.AmountMsat),
		FeeMsat:         uint64(tests.MockLNClientTransaction.FeesPaidMsat),
		SettledAt:       &settledAt,
		AppId:           &app.ID,
	}).Error
	assert.NoError(t, err)

	var publishedResponse *models.Response

	publishResponse := func(response *models.Response, tags nostr.Tags) {
		publishedResponse = response
	}

	NewTestNip47Controller(svc).
		HandleLookupInvoiceEvent(ctx, nip47Request, dbRequestEvent.ID, *dbRequestEvent.AppId, publishResponse)

	assert.Nil(t, publishedResponse.Error)
	transaction := publishedResponse.Result.(*lookupInvoiceResponse)
	assert.Equal(t, tests.MockLNClientTransaction.Type, transaction.Type)
	assert.Equal(t, tests.MockLNClientTransaction.Invoice, transaction.Invoice)
	assert.Equal(t, tests.MockLNClientTransaction.Description, transaction.Description)
	assert.Equal(t, tests.MockLNClientTransaction.DescriptionHash, transaction.DescriptionHash)
	assert.Equal(t, tests.MockLNClientTransaction.Preimage, transaction.Preimage)
	assert.Equal(t, tests.MockLNClientTransaction.PaymentHash, transaction.PaymentHash)
	assert.Equal(t, tests.MockLNClientTransaction.AmountMsat, transaction.Amount)
	assert.Equal(t, tests.MockLNClientTransaction.FeesPaidMsat, transaction.FeesPaid)
	assert.Equal(t, tests.MockLNClientTransaction.SettledAt, transaction.SettledAt)
}