package members_client_test

import (
	"context"
	"os"
	"path/filepath"
	"reflect"
	"regexp"
	"strings"
	"testing"

	"code.tnxs.net/vernonkeenan/lib/api/members/members_client"
	"code.tnxs.net/vernonkeenan/lib/api/members/members_client/document_parameters"
	"code.tnxs.net/vernonkeenan/lib/api/members/members_models"
	openapiruntime "github.com/go-openapi/runtime"
	"github.com/go-openapi/strfmt"
)

var documentParameterTestAuth = openapiruntime.ClientAuthInfoWriterFunc(
	func(openapiruntime.ClientRequest, strfmt.Registry) error { return nil },
)

type documentParameterCaptureTransport struct {
	operation *openapiruntime.ClientOperation
}

func (transport *documentParameterCaptureTransport) Submit(
	operation *openapiruntime.ClientOperation,
) (any, error) {
	return transport.SubmitContext(context.Background(), operation)
}

func (transport *documentParameterCaptureTransport) SubmitContext(
	_ context.Context,
	operation *openapiruntime.ClientOperation,
) (any, error) {
	transport.operation = operation
	switch operation.ID {
	case "getDocumentParameters":
		return document_parameters.NewGetDocumentParametersOK(), nil
	case "postDocumentParameters":
		return document_parameters.NewPostDocumentParametersOK(), nil
	case "putDocumentParameters":
		return document_parameters.NewPutDocumentParametersOK(), nil
	default:
		panic("unexpected generated DocumentParameter operation: " + operation.ID)
	}
}

func TestGeneratedDocumentParameterOperationContract(t *testing.T) {
	type operationCall func(openapiruntime.ContextualTransport) error
	tests := []struct {
		name, wantID, wantMethod string
		call                     operationCall
	}{
		{
			name: "list or get", wantID: "getDocumentParameters", wantMethod: "GET",
			call: func(transport openapiruntime.ContextualTransport) error {
				_, err := document_parameters.New(transport, strfmt.Default).
					GetDocumentParameters(
						document_parameters.NewGetDocumentParametersParams(),
						documentParameterTestAuth,
					)
				return err
			},
		},
		{
			name: "create", wantID: "postDocumentParameters", wantMethod: "POST",
			call: func(transport openapiruntime.ContextualTransport) error {
				_, err := document_parameters.New(transport, strfmt.Default).
					PostDocumentParameters(
						document_parameters.NewPostDocumentParametersParams(),
						documentParameterTestAuth,
					)
				return err
			},
		},
		{
			name: "CAS update", wantID: "putDocumentParameters", wantMethod: "PUT",
			call: func(transport openapiruntime.ContextualTransport) error {
				_, err := document_parameters.New(transport, strfmt.Default).
					PutDocumentParameters(
						document_parameters.NewPutDocumentParametersParams(),
						documentParameterTestAuth,
					)
				return err
			},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			transport := &documentParameterCaptureTransport{}
			if err := test.call(transport); err != nil {
				t.Fatalf("generated client operation failed: %v", err)
			}
			if transport.operation == nil {
				t.Fatal("generated client did not submit an operation")
			}
			if transport.operation.ID != test.wantID ||
				transport.operation.Method != test.wantMethod ||
				transport.operation.PathPattern != "/documentparameters" {
				t.Fatalf(
					"operation = %s %s %s, want %s %s /documentparameters",
					transport.operation.ID, transport.operation.Method,
					transport.operation.PathPattern, test.wantID, test.wantMethod,
				)
			}
			if transport.operation.AuthInfo == nil {
				t.Fatal("generated operation discarded its compound auth writer")
			}
		})
	}
}

func TestDocumentParameterSpecPreservesScopesPersonasAndCAS(t *testing.T) {
	specText := readMembersLearningSpec(t)
	pathBlock := learningSpecPathBlock(t, specText, "/documentparameters")
	for _, forbidden := range []string{"    delete:", "    patch:"} {
		if strings.Contains(pathBlock, forbidden) {
			t.Errorf("/documentparameters exposes unsupported %s", strings.TrimSpace(forbidden))
		}
	}
	operations := map[string]struct{ id, scope string }{
		"get":  {id: "getDocumentParameters", scope: "members:document-parameter:read"},
		"post": {id: "postDocumentParameters", scope: "members:document-parameter:create"},
		"put":  {id: "putDocumentParameters", scope: "members:document-parameter:update"},
	}
	const compoundSecurity = "      security:\n        - ApiKeyAuth: []\n          kvSessionCookie: []"
	for method, expected := range operations {
		block := learningSpecOperationBlock(t, specText, "/documentparameters", method)
		if !strings.Contains(block, "      operationId: "+expected.id+"\n") {
			t.Errorf("%s lost operationId %q", strings.ToUpper(method), expected.id)
		}
		if strings.Count(block, compoundSecurity) != 1 {
			t.Errorf("%s does not preserve compound authentication", strings.ToUpper(method))
		}
		if !strings.Contains(block, expected.scope) {
			t.Errorf("%s lost exact scope %q", strings.ToUpper(method), expected.scope)
		}
		if method != "get" &&
			(!strings.Contains(block, "Owner") || !strings.Contains(block, "Manager")) {
			t.Errorf("%s lost Owner/Manager mutation boundary", strings.ToUpper(method))
		}
	}
	if !document_parameters.NewPutDocumentParametersConflict().IsCode(409) {
		t.Fatal("DocumentParameter update client lost stale-write conflict")
	}
}

func TestDocumentParameterModelAndRequestAreBounded(t *testing.T) {
	assertExactModelFields(t, members_models.DocumentParameter{}, map[string]string{
		"CreatedByID": "*string", "CreatedDate": "*string", "DeletedDate": "*string",
		"DocumentID": "*string", "ID": "string", "IsDeleted": "*bool",
		"LastModifiedByID": "*string", "LastModifiedDate": "*string",
		"Name": "*string", "TenantID": "*string", "UserID": "*string",
		"Value": "*string",
	})
	request := &members_models.DocumentParameterRequest{}
	if err := request.Validate(strfmt.Default); err == nil {
		t.Fatal("generated request accepted an empty write batch")
	}
	request.Data = make([]*members_models.DocumentParameter, 101)
	if err := request.Validate(strfmt.Default); err == nil {
		t.Fatal("generated request accepted more than 100 records")
	}
	request.Data = []*members_models.DocumentParameter{{}}
	if err := request.Validate(strfmt.Default); err != nil {
		t.Fatalf("generated request rejected a bounded record: %v", err)
	}
}

func TestDocumentParameterSurfaceExposesNoDeleteOrFolderBypass(t *testing.T) {
	contract := reflect.TypeOf((*document_parameters.ClientService)(nil)).Elem()
	for index := 0; index < contract.NumMethod(); index++ {
		method := contract.Method(index).Name
		for _, forbidden := range []string{"Delete", "Folder", "Salesforce", "Cache"} {
			if strings.Contains(method, forbidden) {
				t.Errorf("DocumentParameter client exposes forbidden method %s", method)
			}
		}
	}
	root := reflect.TypeOf(members_client.Members{})
	if _, exists := root.FieldByName("DocumentParameters"); !exists {
		t.Fatal("root Members client does not expose governed DocumentParameters")
	}
	if _, exists := root.FieldByName("Folders"); exists {
		t.Fatal("root Members client published deferred Folder operations")
	}
}

func TestGeneratedDocumentParameterSurfaceHasNoExternalBypassOrSecrets(t *testing.T) {
	repoRoot := learningRepoRoot(t)
	targets := []string{
		filepath.Join(repoRoot, "api", "members", "members_client", "document_parameters"),
		filepath.Join(repoRoot, "api", "members", "members_models", "document_parameter.go"),
		filepath.Join(repoRoot, "api", "members", "members_models", "document_parameter_request.go"),
		filepath.Join(repoRoot, "api", "members", "members_models", "document_parameter_response.go"),
	}
	credentialLiteral := regexp.MustCompile(
		`(?i)(api[_-]?key|password|secret)\s*[:=]\s*["'][^"']+["']`,
	)
	for _, target := range targets {
		err := filepath.WalkDir(target, func(
			path string, entry os.DirEntry, walkErr error,
		) error {
			if walkErr != nil {
				return walkErr
			}
			if entry.IsDir() || !strings.HasSuffix(path, ".go") ||
				strings.HasSuffix(path, "_test.go") {
				return nil
			}
			content, err := os.ReadFile(path)
			if err != nil {
				return err
			}
			lower := strings.ToLower(string(content))
			for _, forbidden := range []string{
				"salesforce", "soql", "apex", "sf-gate", "go-force",
				"cache", "processor_token", "private key-----",
			} {
				if strings.Contains(lower, forbidden) {
					t.Errorf("%s contains forbidden boundary %q", path, forbidden)
				}
			}
			if credentialLiteral.Match(content) {
				t.Errorf("%s contains a credential-like literal", path)
			}
			return nil
		})
		if err != nil {
			t.Fatalf("inspect generated DocumentParameter surface: %v", err)
		}
	}
}