package endtoend_test

import (
	"testing"

	"queryorchestration/internal/serviceconfig"
	"queryorchestration/internal/serviceconfig/aws"
	"queryorchestration/internal/serviceconfig/objectstore"
	"queryorchestration/internal/test"

	queryapitest "queryorchestration/internal/test/queryAPI"
	queryapi "queryorchestration/pkg/queryAPI"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"golang.org/x/sync/errgroup"
)

type Config struct {
	serviceconfig.BaseConfig
	aws.AWSConfig
	objectstore.ObjectStoreConfig
}

func TestProcess(t *testing.T) {
	t.Run("basic upload", func(t *testing.T) {
		cfg := &Config{}

		net, clean := test.CreateFullNetwork(t, t.Context(), cfg)
		defer clean()

		var clientId queryapi.ClientID
		var jsonId queryapi.QueryID
		var textractExpectation test.MockExpectation
		textractBody := "Hello World"

		// Use errgroup to properly propagate errors and avoid indefinite hangs
		// If any goroutine fails, g.Wait() returns the error immediately
		g := new(errgroup.Group)

		g.Go(func() error {
			_, jsonId = queryapitest.CreateDependentQueries(t, net.Client)
			return nil
		})
		g.Go(func() error {
			clientId = queryapitest.CreateClientWithSync(t, net.Client)
			return nil
		})

		if err := g.Wait(); err != nil {
			t.Fatalf("setup phase 1 failed: %v", err)
		}

		g = new(errgroup.Group)

		g.Go(func() error {
			textractExpectation = test.CreateDetectDocumentTextExpectation(
				t,
				net.Dependencies.MockServer,
				textractBody,
			)
			return nil
		})
		g.Go(func() error {
			queryapitest.SetQueryForClient(t, net.Client, clientId, jsonId)
			return nil
		})
		g.Go(func() error {
			queryapitest.CreateFile(t, net.Client, queryapitest.File{
				Filename: "helloworld.pdf",
				Content:  []byte(pdfHelloWorld),
				ClientID: clientId,
			})
			return nil
		})

		if err := g.Wait(); err != nil {
			t.Fatalf("setup phase 2 failed: %v", err)
		}

		test.WaitForMockEndpoint(t, net.Dependencies.MockServer, textractExpectation.Request)
		queryapitest.WaitForClientStatus(t, t.Context(), net.Client, clientId, queryapi.INSYNC)

		docs, err := net.Client.ListDocumentsByClientIdWithResponse(t.Context(), clientId)
		require.NoError(t, err)
		assert.Len(t, *docs.JSON200, 1)
		doc := (*docs.JSON200)[0]

		docRes, err := net.Client.GetDocumentWithResponse(t.Context(), doc.Id, nil)
		require.NoError(t, err)
		require.NotNil(t, docRes)
		require.NotNil(t, docRes.JSON200)

		// Verify core document fields
		assert.Equal(t, doc.Id, docRes.JSON200.Id)
		assert.Equal(t, doc.Hash, docRes.JSON200.Hash)
		assert.Equal(t, clientId, docRes.JSON200.ClientId)
		assert.Equal(t, map[string]any{"JSON_QUERY": "valueone"}, docRes.JSON200.Fields)
		assert.Equal(t, []queryapi.LabelRecord{}, docRes.JSON200.Labels)

		// Verify enriched fields are populated (values depend on upload)
		assert.NotNil(t, docRes.JSON200.Filename, "Filename should be populated")
		assert.Equal(t, "helloworld.pdf", *docRes.JSON200.Filename)
		assert.NotNil(t, docRes.JSON200.OriginalPath, "OriginalPath should be populated")

		// Test with textRecord=true parameter
		includeTextRecord := true
		docResWithText, err := net.Client.GetDocumentWithResponse(t.Context(), doc.Id, &queryapi.GetDocumentParams{
			TextRecord: &includeTextRecord,
		})
		require.NoError(t, err)
		require.NotNil(t, docResWithText.JSON200)
		// Document doesn't have a field extraction in this test, so hasTextRecord should be false
		assert.False(t, docResWithText.JSON200.HasTextRecord)
		assert.Nil(t, docResWithText.JSON200.TextRecord)
	})
	t.Run("update config", func(t *testing.T) {
		cfg := &Config{}

		net, clean := test.CreateFullNetwork(t, t.Context(), cfg)
		defer clean()

		var clientId queryapi.ClientID
		var jsonId queryapi.QueryID
		var textractExpectation test.MockExpectation
		textractBody := "Hello World"

		g := new(errgroup.Group)

		g.Go(func() error {
			_, jsonId = queryapitest.CreateDependentQueries(t, net.Client)
			return nil
		})
		g.Go(func() error {
			clientId = queryapitest.CreateClientWithSync(t, net.Client)
			return nil
		})

		if err := g.Wait(); err != nil {
			t.Fatalf("setup phase 1 failed: %v", err)
		}

		g = new(errgroup.Group)

		g.Go(func() error {
			queryapitest.SetQueryForClient(t, net.Client, clientId, jsonId)
			return nil
		})
		g.Go(func() error {
			queryapitest.CreateFile(t, net.Client, queryapitest.File{
				Filename: "helloworld.pdf",
				Content:  []byte(pdfHelloWorld),
				ClientID: clientId,
			})
			return nil
		})
		g.Go(func() error {
			textractExpectation = test.CreateDetectDocumentTextExpectation(
				t,
				net.Dependencies.MockServer,
				textractBody,
			)
			return nil
		})

		if err := g.Wait(); err != nil {
			t.Fatalf("setup phase 2 failed: %v", err)
		}

		test.WaitForMockEndpoint(t, net.Dependencies.MockServer, textractExpectation.Request)
		queryapitest.WaitForClientStatus(t, t.Context(), net.Client, clientId, queryapi.INSYNC)

		jcfg := `{"path":"keytwo"}`
		av := int32(2)
		_, err := net.Client.UpdateQueryWithResponse(t.Context(), jsonId, queryapi.QueryUpdate{
			ActiveVersion: &av,
			Config:        &jcfg,
		})
		require.NoError(t, err)

		queryapitest.WaitForClientStatus(t, t.Context(), net.Client, clientId, queryapi.INSYNC)

		docs, err := net.Client.ListDocumentsByClientIdWithResponse(t.Context(), clientId)
		require.NoError(t, err)
		assert.Len(t, *docs.JSON200, 1)
		doc := (*docs.JSON200)[0]

		docRes, err := net.Client.GetDocumentWithResponse(t.Context(), doc.Id, nil)
		require.NoError(t, err)
		require.NotNil(t, docRes)
		require.NotNil(t, docRes.JSON200)

		// Verify core document fields
		assert.Equal(t, doc.Id, docRes.JSON200.Id)
		assert.Equal(t, doc.Hash, docRes.JSON200.Hash)
		assert.Equal(t, clientId, docRes.JSON200.ClientId)
		assert.Equal(t, map[string]any{"JSON_QUERY": "valuetwo"}, docRes.JSON200.Fields)
		assert.Equal(t, []queryapi.LabelRecord{}, docRes.JSON200.Labels)

		// Verify enriched fields are populated (values depend on upload)
		assert.NotNil(t, docRes.JSON200.Filename, "Filename should be populated")
		assert.Equal(t, "helloworld.pdf", *docRes.JSON200.Filename)
		assert.NotNil(t, docRes.JSON200.OriginalPath, "OriginalPath should be populated")
	})
	t.Run("test multiple versions", func(t *testing.T) {
		cfg := &Config{}

		net, clean := test.CreateFullNetwork(t, t.Context(), cfg)
		defer clean()

		var clientId queryapi.ClientID
		var jsonId queryapi.QueryID
		var textractExpectation test.MockExpectation
		textractBody := "Hello World"

		g := new(errgroup.Group)

		g.Go(func() error {
			_, jsonId = queryapitest.CreateDependentQueries(t, net.Client)

			jcfg := `{"path":"keytwo"}`
			_, err := net.Client.UpdateQueryWithResponse(t.Context(), jsonId, queryapi.QueryUpdate{
				Config: &jcfg,
			})
			require.NoError(t, err)
			return nil
		})
		g.Go(func() error {
			clientId = queryapitest.CreateClientWithSync(t, net.Client)
			return nil
		})

		if err := g.Wait(); err != nil {
			t.Fatalf("setup phase 1 failed: %v", err)
		}

		g = new(errgroup.Group)

		g.Go(func() error {
			textractExpectation = test.CreateDetectDocumentTextExpectation(
				t,
				net.Dependencies.MockServer,
				textractBody,
			)
			return nil
		})
		g.Go(func() error {
			queryapitest.SetQueryForClient(t, net.Client, clientId, jsonId)
			return nil
		})
		g.Go(func() error {
			queryapitest.CreateFile(t, net.Client, queryapitest.File{
				Filename: "helloworld.pdf",
				Content:  []byte(pdfHelloWorld),
				ClientID: clientId,
			})
			return nil
		})

		if err := g.Wait(); err != nil {
			t.Fatalf("setup phase 2 failed: %v", err)
		}

		test.WaitForMockEndpoint(t, net.Dependencies.MockServer, textractExpectation.Request)
		queryapitest.WaitForClientStatus(t, t.Context(), net.Client, clientId, queryapi.INSYNC)

		docs, err := net.Client.ListDocumentsByClientIdWithResponse(t.Context(), clientId)
		require.NoError(t, err)
		assert.Len(t, *docs.JSON200, 1)
		doc := (*docs.JSON200)[0]

		g = new(errgroup.Group)

		// Capture doc.Id to avoid closure issues
		docId := doc.Id
		g.Go(func() error {
			testRes, err := net.Client.TestQueryWithResponse(t.Context(), jsonId, queryapi.QueryTestRequest{
				QueryVersion: 1,
				DocumentId:   docId,
			})
			require.NoError(t, err)
			assert.Equal(t, "valueone", testRes.JSON200.Value)
			return nil
		})

		g.Go(func() error {
			testRes, err := net.Client.TestQueryWithResponse(t.Context(), jsonId, queryapi.QueryTestRequest{
				QueryVersion: 2,
				DocumentId:   docId,
			})
			require.NoError(t, err)
			assert.Equal(t, "valuetwo", testRes.JSON200.Value)
			return nil
		})

		if err := g.Wait(); err != nil {
			t.Fatalf("test phase failed: %v", err)
		}
	})
}

const pdfHelloWorld = `%PDF-1.4
%����
1 0 obj
<<
  /Type /Catalog
  /Pages 2 0 R
  /Version /1.4
>>
endobj
2 0 obj
<<
  /Type /Pages
  /Kids [3 0 R]
  /Count 1
>>
endobj
3 0 obj
<<
  /Type /Page
  /Parent 2 0 R
  /MediaBox [0 0 612 792]
  /Resources <<
    /Font <<
      /F1 <<
        /Type /Font
        /Subtype /Type1
        /BaseFont /Helvetica
      >>
    >>
  >>
  /Contents 4 0 R
>>
endobj
4 0 obj
<<
  /Length
  44
>>
stream
BT
/F1 24 Tf
100 700 Td
(Hello World!) Tj
ET
endstream
endobj
xref
0 5
0000000000 65535 f
0000000015 00000 n
0000000086 00000 n
0000000151 00000 n
0000000376 00000 n
trailer
<<
  /Size 5
  /Root 1 0 R
>>
startxref
472
%%EOF`