A few various changes

- Fixed the '-local' flag to accept host and port
- Added a '-debug' flag to accept a file to write debug log messages
- Added some logic which will force the dark background flag on if MacOS is in dark mode

cmd/dynamo-browse/main.go

@@ -10,18 +10,21 @@ import (
 	"github.com/charmbracelet/lipgloss"
 	"github.com/lmika/awstools/internal/common/ui/commandctrl"
 	"github.com/lmika/awstools/internal/common/ui/logging"
+	"github.com/lmika/awstools/internal/common/ui/osstyle"
 	"github.com/lmika/awstools/internal/dynamo-browse/controllers"
 	"github.com/lmika/awstools/internal/dynamo-browse/providers/dynamo"
 	"github.com/lmika/awstools/internal/dynamo-browse/services/tables"
 	"github.com/lmika/awstools/internal/dynamo-browse/ui"
 	"github.com/lmika/gopkgs/cli"
 	"log"
+	"net"
 	"os"
 )
 
 func main() {
 	var flagTable = flag.String("t", "", "dynamodb table name")
-	var flagLocal = flag.Bool("local", false, "local endpoint")
+	var flagLocal = flag.String("local", "", "local endpoint")
+	var flagDebug = flag.String("debug", "", "file to log debug messages")
 	flag.Parse()
 
 	ctx := context.Background()
@@ -32,9 +35,19 @@ func main() {
 	}
 
 	var dynamoClient *dynamodb.Client
-	if *flagLocal {
+	if *flagLocal != "" {
+		host, port, err := net.SplitHostPort(*flagLocal)
+		if err != nil {
+			cli.Fatalf("invalid address '%v': %v", *flagLocal, err)
+		}
+		if host == "" {
+			host = "localhost"
+		}
+		if port == "" {
+			port = "8000"
+		}
 		dynamoClient = dynamodb.NewFromConfig(cfg,
-			dynamodb.WithEndpointResolver(dynamodb.EndpointResolverFromURL("http://localhost:18000")))
+			dynamodb.WithEndpointResolver(dynamodb.EndpointResolverFromURL(fmt.Sprintf("http://%v:%v", host, port))))
 	} else {
 		dynamoClient = dynamodb.NewFromConfig(cfg)
 	}
@@ -50,14 +63,28 @@ func main() {
 	commandController := commandctrl.NewCommandController()
 	model := ui.NewModel(tableReadController, tableWriteController, commandController)
 
-	// Pre-determine if layout has dark background.  This prevents calls for creating a list to hang.
-	lipgloss.HasDarkBackground()
-
 	p := tea.NewProgram(model, tea.WithAltScreen())
 
-	closeFn := logging.EnableLogging()
+	closeFn := logging.EnableLogging(*flagDebug)
 	defer closeFn()
 
+	// Pre-determine if layout has dark background.  This prevents calls for creating a list to hang.
+	if lipgloss.HasDarkBackground() {
+		if colorScheme := osstyle.CurrentColorScheme(); colorScheme == osstyle.ColorSchemeLightMode {
+			log.Printf("terminal reads dark but really in light mode")
+			lipgloss.SetHasDarkBackground(true)
+		} else {
+			log.Printf("in dark background")
+		}
+	} else {
+		if colorScheme := osstyle.CurrentColorScheme(); colorScheme == osstyle.ColorSchemeDarkMode {
+			log.Printf("terminal reads light but really in dark mode")
+			lipgloss.SetHasDarkBackground(true)
+		} else {
+			log.Printf("cannot detect system darkmode")
+		}
+	}
+
 	log.Println("launching")
 	if err := p.Start(); err != nil {
 		fmt.Printf("Alas, there's been an error: %v", err)

go.mod

@@ -41,7 +41,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/juju/ansiterm v0.0.0-20210929141451-8b71cc96ebdc // indirect
-	github.com/lmika/go-bubble-table v0.2.2-0.20220608033210-61eeb29a6239 // indirect
+	github.com/lmika/go-bubble-table v0.2.2-0.20220616114432-6bbb2995e538 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/lunixbochs/vtclean v1.0.0 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect

go.sum

@@ -102,6 +102,8 @@ github.com/lmika/events v0.0.0-20200906102219-a2269cd4394e h1:0QkUe2ejnT/i+xbgGy
 github.com/lmika/events v0.0.0-20200906102219-a2269cd4394e/go.mod h1:qtkBmNC9OfD0STtOR9sF55pQchjIfNlC3gzm4n8CrqM=
 github.com/lmika/go-bubble-table v0.2.2-0.20220608033210-61eeb29a6239 h1:GGw5pZtEFnHtD7kKdWsiwgcIwZTnok60sShrHVYz4ok=
 github.com/lmika/go-bubble-table v0.2.2-0.20220608033210-61eeb29a6239/go.mod h1:0RT1upgKZ6qZ6B1SqseE3wWsPjSQRv/G/HjpYK8jNsg=
+github.com/lmika/go-bubble-table v0.2.2-0.20220616114432-6bbb2995e538 h1:dtMPRNoDqDnnP3HgOvYhswcJVSqdISkYlCtGOjTqg6Q=
+github.com/lmika/go-bubble-table v0.2.2-0.20220616114432-6bbb2995e538/go.mod h1:0RT1upgKZ6qZ6B1SqseE3wWsPjSQRv/G/HjpYK8jNsg=
 github.com/lmika/gopkgs v0.0.0-20211210041137-0dc91e939890 h1:mwl/exYV/WkBMeShqK7q+B2w2r+b0vP1TSA7clBn9kI=
 github.com/lmika/gopkgs v0.0.0-20211210041137-0dc91e939890/go.mod h1:FH6OJSvYcJ9xY8CGs9yGgR89kMCK1UimuUQ6kE5YuJQ=
 github.com/lmika/shellwords v0.0.0-20140714114018-ce258dd729fe h1:1UXS/6OFkbi6JrihPykmYO1VtsABB02QQ+YmYYzTY18=

internal/common/ui/events/commands.go

@@ -31,6 +31,15 @@ func PromptForInput(prompt string, onDone func(value string) tea.Cmd) tea.Cmd {
 	}
 }
 
+func Confirm(prompt string, onYes func() tea.Cmd) tea.Cmd {
+	return PromptForInput(prompt, func(value string) tea.Cmd {
+		if value == "y" {
+			return onYes()
+		}
+		return nil
+	})
+}
+
 type MessageWithStatus interface {
 	StatusMessage() string
 }

internal/common/ui/logging/debug.go

@@ -6,15 +6,18 @@ import (
 	"os"
 )
 
-func EnableLogging() (closeFn func()) {
-	tempFile, err := os.CreateTemp("", "debug.log")
-	if err != nil {
-		fmt.Println("fatal:", err)
-		os.Exit(1)
+func EnableLogging(logFile string) (closeFn func()) {
+	if logFile == "" {
+		tempFile, err := os.CreateTemp("", "debug.log")
+		if err != nil {
+			fmt.Println("fatal:", err)
+			os.Exit(1)
+		}
+		tempFile.Close()
+		logFile = tempFile.Name()
 	}
-	tempFile.Close()
 
-	f, err := tea.LogToFile(tempFile.Name(), "debug")
+	f, err := tea.LogToFile(logFile, "debug")
 	if err != nil {
 		fmt.Println("fatal:", err)
 		os.Exit(1)

internal/common/ui/osstyle/osstyle.go

@@ -0,0 +1,18 @@
+package osstyle
+
+type ColorScheme int
+
+const (
+	ColorSchemeUnknown ColorScheme = iota
+	ColorSchemeLightMode
+	ColorSchemeDarkMode
+)
+
+var getOSColorScheme func() ColorScheme = nil
+
+func CurrentColorScheme() ColorScheme {
+	if getOSColorScheme == nil {
+		return ColorSchemeUnknown
+	}
+	return getOSColorScheme()
+}

internal/common/ui/osstyle/osstyle_darwin.go

@@ -0,0 +1,27 @@
+package osstyle
+
+import (
+	"log"
+	"os/exec"
+)
+
+// Usage: https://stefan.sofa-rockers.org/2018/10/23/macos-dark-mode-terminal-vim/
+func darwinGetOSColorScheme() ColorScheme {
+	d, err := exec.Command("defaults", "read", "-g", "AppleInterfaceStyle").Output()
+	if err != nil {
+		log.Printf("cannot get current OS color scheme: %v", err)
+		return ColorSchemeUnknown
+	}
+
+	switch string(d) {
+	case "Dark\n":
+		return ColorSchemeDarkMode
+	case "Light\n":
+		return ColorSchemeLightMode
+	}
+	return ColorSchemeUnknown
+}
+
+func init() {
+	getOSColorScheme = darwinGetOSColorScheme
+}

internal/dynamo-browse/controllers/events.go

@@ -1,18 +1,18 @@
 package controllers
 
 import (
-	"fmt"
-
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/lmika/awstools/internal/dynamo-browse/models"
 )
 
 type NewResultSet struct {
-	ResultSet *models.ResultSet
+	ResultSet     *models.ResultSet
+	statusMessage string
 }
 
 func (rs NewResultSet) StatusMessage() string {
-	return fmt.Sprintf("%d items returned", len(rs.ResultSet.Items()))
+	//return fmt.Sprintf("%d items returned", len(rs.ResultSet.Items()))
+	return rs.statusMessage
 }
 
 type SetReadWrite struct {

internal/dynamo-browse/controllers/tableread.go

@@ -3,6 +3,7 @@ package controllers
 import (
 	"context"
 	"encoding/csv"
+	"fmt"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/lmika/awstools/internal/common/ui/events"
 	"github.com/lmika/awstools/internal/dynamo-browse/models"
@@ -126,16 +127,23 @@ func (c *TableReadController) doScan(ctx context.Context, resultSet *models.Resu
 	return c.setResultSetAndFilter(newResultSet, c.state.Filter())
 }
 
-//func (c *TableReadController) ResultSet() *models.ResultSet {
-//	c.mutex.Lock()
-//	defer c.mutex.Unlock()
-//
-//	return c.resultSet
-//}
-
 func (c *TableReadController) setResultSetAndFilter(resultSet *models.ResultSet, filter string) tea.Msg {
 	c.state.setResultSetAndFilter(resultSet, filter)
-	return NewResultSet{resultSet}
+
+	var statusMessage string
+	if filter != "" {
+		var filteredCount int
+		for i := range resultSet.Items() {
+			if !resultSet.Hidden(i) {
+				filteredCount += 1
+			}
+		}
+		statusMessage = fmt.Sprintf("%d of %d items returned", filteredCount, len(resultSet.Items()))
+	} else {
+		statusMessage = fmt.Sprintf("%d items returned", len(resultSet.Items()))
+	}
+
+	return NewResultSet{resultSet, statusMessage}
 }
 
 func (c *TableReadController) Unmark() tea.Cmd {

internal/dynamo-browse/controllers/tablewrite.go

@@ -61,7 +61,7 @@ func (twc *TableWriteController) NewItem() tea.Cmd {
 					Dirty: true,
 				})
 			})
-			return NewResultSet{twc.state.ResultSet()}
+			return NewResultSet{twc.state.ResultSet(), "New item added"}
 		}
 
 		return keyPrompts.next()

internal/dynamo-browse/ui/teamodels/dynamotableview/model.go

@@ -128,9 +128,7 @@ func (m *Model) setLeftmostDisplayedColumn(newCol int) {
 	} else {
 		m.colOffset = newCol
 	}
-	// TEMP
-	m.table.GoDown()
-	m.table.GoUp()
+	m.table.UpdateView()
 }
 
 func (m *Model) View() string {
@@ -172,15 +170,6 @@ func (m *Model) rebuildTable() {
 
 	m.rows = newRows
 	newTbl.SetRows(newRows)
-	/*
-		for newTbl.Cursor() != m.table.Cursor() {
-			if newTbl.Cursor() < m.table.Cursor() {
-				newTbl.GoDown()
-			} else if newTbl.Cursor() > m.table.Cursor() {
-				newTbl.GoUp()
-			}
-		}
-	*/
 	m.table = newTbl
 }
 

internal/dynamo-browse/ui/teamodels/dynamotableview/tblmodel.go

@@ -12,7 +12,7 @@ import (
 
 var (
 	markedRowStyle = lipgloss.NewStyle().
-			Background(lipgloss.AdaptiveColor{Dark: "#e1e1e1", Light: "#414141"})
+			Background(lipgloss.AdaptiveColor{Light: "#e1e1e1", Dark: "#414141"})
 	dirtyRowStyle = lipgloss.NewStyle().
 			Foreground(lipgloss.Color("#e13131"))
 	newRowStyle = lipgloss.NewStyle().
@@ -60,6 +60,8 @@ func (mtr itemTableRow) Render(w io.Writer, model table.Model, index int) {
 			if mi := r.MetaInfo(); mi != "" {
 				sb.WriteString(metaInfoStyle.Render(mi))
 			}
+		} else {
+			sb.WriteString(metaInfoStyle.Render("~"))
 		}
 	}
 

internal/ssm-browse/controllers/ssmcontroller.go

@@ -77,3 +77,24 @@ func (c *SSMController) Clone(param models.SSMParameter) tea.Cmd {
 		}
 	})
 }
+
+func (c *SSMController) DeleteParameter(param models.SSMParameter) tea.Cmd {
+	return events.Confirm("delete parameter? ", func() tea.Cmd {
+		return func() tea.Msg {
+			ctx := context.Background()
+			if err := c.service.Delete(ctx, param); err != nil {
+				return events.Error(err)
+			}
+
+			res, err := c.service.List(context.Background(), c.prefix)
+			if err != nil {
+				return events.Error(err)
+			}
+
+			return NewParameterListMsg{
+				Prefix:     c.prefix,
+				Parameters: res,
+			}
+		}
+	})
+}

internal/ssm-browse/providers/awsssm/provider.go

@@ -56,9 +56,9 @@ outer:
 
 func (p *Provider) Put(ctx context.Context, param models.SSMParameter, override bool) error {
 	in := &ssm.PutParameterInput{
-		Name: aws.String(param.Name),
-		Type: param.Type,
-		Value: aws.String(param.Value),
+		Name:      aws.String(param.Name),
+		Type:      param.Type,
+		Value:     aws.String(param.Value),
 		Overwrite: override,
 	}
 	if param.Type == types.ParameterTypeSecureString {
@@ -71,4 +71,14 @@ func (p *Provider) Put(ctx context.Context, param models.SSMParameter, override
 	}
 
 	return nil
-}
+}
+
+func (p *Provider) Delete(ctx context.Context, param models.SSMParameter) error {
+	_, err := p.client.DeleteParameter(ctx, &ssm.DeleteParameterInput{
+		Name: aws.String(param.Name),
+	})
+	if err != nil {
+		return errors.Wrap(err, "unable to delete SSM parameter")
+	}
+	return nil
+}

internal/ssm-browse/services/ssmparameters/iface.go

@@ -8,4 +8,5 @@ import (
 type SSMProvider interface {
 	List(ctx context.Context, prefix string, maxCount int) (*models.SSMParameters, error)
 	Put(ctx context.Context, param models.SSMParameter, override bool) error
+	Delete(ctx context.Context, param models.SSMParameter) error
 }

internal/ssm-browse/services/ssmparameters/service.go

@@ -21,9 +21,13 @@ func (s *Service) List(ctx context.Context, prefix string) (*models.SSMParameter
 
 func (s *Service) Clone(ctx context.Context, param models.SSMParameter, newName string) error {
 	newParam := models.SSMParameter{
-		Name: newName,
-		Type: param.Type,
+		Name:  newName,
+		Type:  param.Type,
 		Value: param.Value,
 	}
 	return s.provider.Put(ctx, newParam, false)
-}
+}
+
+func (s *Service) Delete(ctx context.Context, param models.SSMParameter) error {
+	return s.provider.Delete(ctx, param)
+}

internal/ssm-browse/ui/model.go

@@ -37,6 +37,12 @@ func NewModel(controller *controllers.SSMController, cmdController *commandctrl.
 				}
 				return events.SetError(errors.New("no parameter selected"))
 			},
+			"delete": func(args []string) tea.Cmd {
+				if currentParam := ssmList.CurrentParameter(); currentParam != nil {
+					return controller.DeleteParameter(*currentParam)
+				}
+				return events.SetError(errors.New("no parameter selected"))
+			},
 		},
 	})
 

test/cmd/load-test-table/main.go

@@ -2,24 +2,23 @@ package main
 
 import (
 	"context"
-	"github.com/brianvoe/gofakeit/v6"
-	"github.com/google/uuid"
-	"log"
-	"strconv"
-
+	"fmt"
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/config"
 	"github.com/aws/aws-sdk-go-v2/service/dynamodb"
 	"github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
+	"github.com/brianvoe/gofakeit/v6"
+	"github.com/google/uuid"
 	"github.com/lmika/awstools/internal/dynamo-browse/models"
 	"github.com/lmika/awstools/internal/dynamo-browse/providers/dynamo"
 	"github.com/lmika/awstools/internal/dynamo-browse/services/tables"
 	"github.com/lmika/gopkgs/cli"
+	"log"
 )
 
 func main() {
 	ctx := context.Background()
-	tableName := "awstools-test"
+	tableName := "business-addresses"
 	totalItems := 5000
 
 	cfg, err := config.LoadDefaultConfig(ctx)
@@ -67,21 +66,18 @@ func main() {
 	for i := 0; i < totalItems; i++ {
 		key := uuid.New().String()
 		if err := tableService.Put(ctx, tableInfo, models.Item{
-			"pk":       &types.AttributeValueMemberS{Value: key},
-			"sk":       &types.AttributeValueMemberS{Value: key},
-			"name":     &types.AttributeValueMemberS{Value: gofakeit.Name()},
-			"address":  &types.AttributeValueMemberS{Value: gofakeit.Address().Address},
-			"city":     &types.AttributeValueMemberS{Value: gofakeit.Address().City},
-			"phone":    &types.AttributeValueMemberN{Value: gofakeit.Phone()},
-			"web":      &types.AttributeValueMemberS{Value: gofakeit.URL()},
-			"inOffice": &types.AttributeValueMemberBOOL{Value: gofakeit.Bool()},
+			"pk":           &types.AttributeValueMemberS{Value: key},
+			"sk":           &types.AttributeValueMemberS{Value: key},
+			"name":         &types.AttributeValueMemberS{Value: gofakeit.Name()},
+			"address":      &types.AttributeValueMemberS{Value: gofakeit.Address().Address},
+			"city":         &types.AttributeValueMemberS{Value: gofakeit.Address().City},
+			"phone":        &types.AttributeValueMemberN{Value: gofakeit.Phone()},
+			"web":          &types.AttributeValueMemberS{Value: gofakeit.URL()},
+			"officeOpened": &types.AttributeValueMemberBOOL{Value: gofakeit.Bool()},
 			"ratings": &types.AttributeValueMemberL{Value: []types.AttributeValue{
-				&types.AttributeValueMemberS{Value: gofakeit.Adverb()},
-				&types.AttributeValueMemberN{Value: "12.34"},
-			}},
-			"values": &types.AttributeValueMemberM{Value: map[string]types.AttributeValue{
-				"adverb": &types.AttributeValueMemberS{Value: gofakeit.Adverb()},
-				"int":    &types.AttributeValueMemberN{Value: strconv.Itoa(int(gofakeit.Int32()))},
+				&types.AttributeValueMemberN{Value: fmt.Sprint(gofakeit.IntRange(0, 5))},
+				&types.AttributeValueMemberN{Value: fmt.Sprint(gofakeit.IntRange(0, 5))},
+				&types.AttributeValueMemberN{Value: fmt.Sprint(gofakeit.IntRange(0, 5))},
 			}},
 		}); err != nil {
 			log.Fatalln(err)