package docinitrunner

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

	"queryorchestration/internal/client"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/document"
	documentinit "queryorchestration/internal/document/init"
	"queryorchestration/internal/serviceconfig"
	"queryorchestration/internal/serviceconfig/queue/documentsync"
	queuemock "queryorchestration/mocks/queue"

	"github.com/aws/aws-sdk-go-v2/service/sqs"
	"github.com/aws/aws-sdk-go-v2/service/sqs/types"
	"github.com/go-playground/validator/v10"
	"github.com/google/uuid"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
	"github.com/stretchr/testify/require"
)

type DocInitConfig struct {
	serviceconfig.BaseConfig
	documentsync.DocSyncConfig
}

func TestDocInitRunner(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	require.NoError(t, err)

	cfg := &DocInitConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)
	mockSQS := queuemock.NewMockSQSClient(t)
	cfg.QueueClient = mockSQS

	runner := New(validator.New(), &Services{
		Document: documentinit.New(cfg),
	})
	assert.NotNil(t, runner)

	t.Run("valid", func(t *testing.T) {
		clientId := uuid.New()
		bucketName := "bucketName"
		location := fmt.Sprintf("%s/aaa", clientId)
		docinfo := document.DocumentSummary{
			ID:       uuid.New(),
			ClientID: clientId,
			Hash:     "example_hash",
		}
		doc := S3EventNotification{
			Records: []S3EventRecord{
				{
					EventName: EventS3ObjectCreatedPut,
					S3: S3EventRecordDetails{
						Bucket: S3Bucket{
							Name: bucketName,
						},
						Object: S3Object{
							Key:  location,
							ETag: docinfo.Hash,
						},
					},
				},
			},
		}
		bodyBytes, err := json.Marshal(doc)
		require.NoError(t, err)
		body := string(bodyBytes)
		msg := &types.Message{
			Body: &body,
		}

		pool.ExpectQuery("name: GetDocumentIDByHash :one").WithArgs(docinfo.Hash, clientId).WillReturnRows(
			pgxmock.NewRows([]string{"id"}),
		)
		pool.ExpectBegin()
		pool.ExpectQuery("name: CreateDocument :one").WithArgs(clientId, docinfo.Hash).
			WillReturnRows(
				pgxmock.NewRows([]string{"id"}).
					AddRow(docinfo.ID),
			)
		pool.ExpectExec("name: AddDocumentEntry :exec").WithArgs(docinfo.ID, bucketName, location).
			WillReturnResult(pgxmock.NewResult("", 1))
		pool.ExpectCommit()
		pool.ExpectQuery("name: GetDocumentSummary :one").WithArgs(docinfo.ID).
			WillReturnRows(
				pgxmock.NewRows([]string{"id", "clientId", "hash"}).
					AddRow(docinfo.ID, docinfo.ClientID, "example"),
			)

		mockSQS.EXPECT().
			SendMessage(
				mock.Anything,
				mock.MatchedBy(func(in *sqs.SendMessageInput) bool {
					return *in.QueueUrl == cfg.DocumentSyncURL && *in.MessageBody == fmt.Sprintf("{\"id\":\"%s\"}", docinfo.ID.String())
				}),
				mock.Anything,
			).
			Return(&sqs.SendMessageOutput{}, nil)

		assert.True(t, runner.Process(ctx, msg))
	})
	t.Run("invalid body", func(t *testing.T) {
		body := "definitely invalid"
		msgId := "id"
		msg := &types.Message{
			Body:      &body,
			MessageId: &msgId,
		}

		assert.True(t, runner.Process(ctx, msg))
	})
}

func TestProcessRecord(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	require.NoError(t, err)

	cfg := &DocInitConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)
	mockSQS := queuemock.NewMockSQSClient(t)
	cfg.QueueClient = mockSQS

	runner := New(validator.New(), &Services{
		Document: documentinit.New(cfg),
	})
	assert.NotNil(t, runner)

	t.Run("valid", func(t *testing.T) {
		j := client.Client{
			ID: uuid.New(),
		}
		bucketName := "bucketName"
		location := fmt.Sprintf("%s/aaa", j.ID.String())
		docinfo := document.DocumentSummary{
			ID:       uuid.New(),
			ClientID: j.ID,
			Hash:     "example_hash",
		}
		record := S3EventRecord{
			EventName: EventS3ObjectCreatedPut,
			S3: S3EventRecordDetails{
				Bucket: S3Bucket{
					Name: bucketName,
				},
				Object: S3Object{
					Key:  location,
					ETag: docinfo.Hash,
				},
			},
		}

		pool.ExpectQuery("name: GetDocumentIDByHash :one").WithArgs(docinfo.Hash, j.ID).WillReturnRows(
			pgxmock.NewRows([]string{"id"}),
		)
		pool.ExpectBegin()
		pool.ExpectQuery("name: CreateDocument :one").WithArgs(j.ID, docinfo.Hash).
			WillReturnRows(
				pgxmock.NewRows([]string{"id"}).
					AddRow(docinfo.ID),
			)
		pool.ExpectExec("name: AddDocumentEntry :exec").WithArgs(docinfo.ID, bucketName, location).
			WillReturnResult(pgxmock.NewResult("", 1))
		pool.ExpectCommit()
		pool.ExpectQuery("name: GetDocumentSummary :one").WithArgs(docinfo.ID).
			WillReturnRows(
				pgxmock.NewRows([]string{"id", "clientId", "hash"}).
					AddRow(docinfo.ID, docinfo.ClientID, "example"),
			)

		mockSQS.EXPECT().
			SendMessage(
				mock.Anything,
				mock.MatchedBy(func(in *sqs.SendMessageInput) bool {
					return *in.QueueUrl == cfg.DocumentSyncURL && *in.MessageBody == fmt.Sprintf("{\"id\":\"%s\"}", docinfo.ID.String())
				}),
				mock.Anything,
			).
			Return(&sqs.SendMessageOutput{}, nil)

		err = runner.processRecord(ctx, record)
		require.NoError(t, err)
	})
	t.Run("invalid_event", func(t *testing.T) {
		record := S3EventRecord{
			EventName: "invalid_event",
		}

		err = runner.processRecord(ctx, record)
		require.NoError(t, err)
	})
	t.Run("invalid id", func(t *testing.T) {
		location := "cc/aaa"
		record := S3EventRecord{
			EventName: EventS3ObjectCreatedPut,
			S3: S3EventRecordDetails{
				Object: S3Object{
					Key: location,
				},
			},
		}

		err = runner.processRecord(ctx, record)
		require.NoError(t, err)
	})
}

func TestIsSupportedEvent(t *testing.T) {
	runner := Runner{}

	t.Run("put", func(t *testing.T) {
		assert.True(t, runner.isSupportedEvent(EventS3ObjectCreatedPut))
	})
	t.Run("invalid", func(t *testing.T) {
		assert.False(t, runner.isSupportedEvent("invalid"))
	})
}