package docinitrunner_test

import (
	"bytes"
	"regexp"
	"testing"
	"time"

	docinitrunner "queryorchestration/api/docInitRunner"
	"queryorchestration/internal/database/repository"
	documentinit "queryorchestration/internal/document/init"
	"queryorchestration/internal/server/runner"
	"queryorchestration/internal/serviceconfig/objectstore"
	"queryorchestration/internal/serviceconfig/queue"
	"queryorchestration/internal/serviceconfig/queue/documentsync"
	"queryorchestration/internal/test"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/service/s3"
	"github.com/google/uuid"
	"github.com/jackc/pgx/v5/pgtype"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

type DocInitConfig struct {
	runner.BaseConfig[docinitrunner.Body]
	documentsync.DocSyncConfig
	queue.QueueConfig
	objectstore.ObjectStoreConfig
}

// stringPtr returns a pointer to a string
func stringPtr(s string) *string {
	return &s
}

func TestDocInitRunner(t *testing.T) {
	cfg := &DocInitConfig{}
	test.CreateDB(t, cfg)
	acfg := test.CreateAWSContainer(t, cfg)

	// Set up SQS queue
	test.SetQueueClient(t, t.Context(), cfg, acfg.ExternalEndpoint)
	cfg.DocumentSyncURL = test.CreateQueue(t, cfg, test.DocSyncRunnerName)

	// Set up S3 bucket (required for file size measurement)
	test.SetStoreClient(t, t.Context(), cfg, acfg.ExternalEndpoint)
	test.CreateBucket(t, cfg)

	runnerInstance := docinitrunner.New(&docinitrunner.Services{
		Document: documentinit.New(cfg),
		Queries:  cfg.GetDBQueries(),
	})

	err := cfg.GetDBQueries().CreateClient(t.Context(), &repository.CreateClientParams{
		Clientid: "clientid",
		Name:     "client_name",
	})
	require.NoError(t, err)

	location := objectstore.BucketKey{
		Location:  objectstore.Import,
		ClientID:  "clientid",
		CreatedAt: time.Now().UTC(),
	}

	// Upload a test file to S3 (required for HeadObject to work)
	testContent := []byte("test document content for file size measurement")
	_, err = cfg.GetStoreClient().PutObject(t.Context(), &s3.PutObjectInput{
		Bucket: aws.String(cfg.GetBucket()),
		Key:    aws.String(location.String()),
		Body:   bytes.NewReader(testContent),
	})
	require.NoError(t, err)

	// Create a document upload record to simulate the upload pipeline
	uploadID := uuid.New()
	err = cfg.GetDBQueries().AddDocumentUpload(t.Context(), &repository.AddDocumentUploadParams{
		ID:       uploadID,
		Clientid: "clientid",
		Bucket:   cfg.GetBucket(),
		Key:      location.String(),
		Part:     1,
		Createdat: pgtype.Timestamp{
			Valid: true,
			Time:  time.Now().UTC(),
		},
		Filename: stringPtr("test-document.pdf"),
		BatchID:  nil,
	})
	require.NoError(t, err)

	doc := docinitrunner.Body{
		Bucket: cfg.GetBucket(),
		Key:    location.String(),
		Hash:   "hash",
	}

	assert.True(t, runnerInstance.Process(t.Context(), doc))

	test.AssertMessageBody(t, cfg, cfg.GetDocumentSyncURL(), regexp.MustCompile(`{"id":".+"}`))
}