refactor to make cli better and simplify the code

cmd/pm/runner.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"math/rand"
+
+	"github.com/LazyBachelor/LazyPM/cmd/pm/tasks"
+	survey "github.com/LazyBachelor/LazyPM/internal/commands/survey"
+	"github.com/LazyBachelor/LazyPM/internal/models"
+	"github.com/LazyBachelor/LazyPM/pkg/task"
+	"github.com/spf13/cobra"
+)
+
+func runStartCmd(cmd *cobra.Command, args []string) error {
+	app := survey.AppFromContext(cmd.Context())
+	interfaces := initInterfaces()
+	surveyTasks := initTasks(app)
+
+	if cmd.Flags().Changed("interface") {
+		if _, ok := interfaces[survey.InterfaceType]; !ok {
+			return fmt.Errorf("invalid interface, valid are %v", task.ListInterfaces())
+		}
+		interfaces = map[string]task.Interface{
+			survey.InterfaceType: interfaces[survey.InterfaceType],
+		}
+	}
+
+	if cmd.Flags().Changed("task") {
+		if surveyTask := surveyTasks[survey.Task]; surveyTask == nil {
+			return fmt.Errorf("invalid task, valid are %v", task.ListTasks())
+		}
+
+		surveyTasks = map[string]task.Tasker{
+			survey.Task: surveyTasks[survey.Task],
+		}
+	}
+
+	if err := newIntroModel().Run(); err != nil {
+		return returnIfUserQuit(err, "failed to run intro")
+	}
+
+	if err := taskLoop(cmd.Context(), surveyTasks, interfaces); err != nil {
+		return returnIfUserQuit(err, "task loop failed")
+	}
+	return nil
+}
+
+func taskLoop(ctx context.Context, surveyTasks map[string]task.Tasker, interfaces map[string]task.Interface) error {
+	var iNames []string
+	for name := range interfaces {
+		iNames = append(iNames, name)
+	}
+
+	rand.Shuffle(len(iNames), func(i, j int) {
+		iNames[i], iNames[j] = iNames[j], iNames[i]
+	})
+
+	idx := 0
+	for _, t := range surveyTasks {
+		iIdx := idx % len(iNames)
+		selected := interfaces[iNames[iIdx]]
+
+		if err := task.RunTask(ctx, t, selected, tasks.InterfaceToType(selected)); err != nil {
+			return err
+		}
+		idx++
+	}
+	return nil
+}
+
+func returnIfUserQuit(err error, msg string) error {
+	if errors.Is(err, models.ErrUserQuit) {
+		return nil
+	}
+	return fmt.Errorf("%s: %w", msg, err)
+}