feat: interactive mode (#854)

* chore: wip interactive mode

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: tidied up a bit

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: updated go mod

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: const prompt

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: updated based on comments feedback

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: updated enum

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

* chore: updated enum

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

---------

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

pkg/ai/interactive/interactive.go

@@ -0,0 +1,67 @@
+package interactive
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/k8sgpt-ai/k8sgpt/pkg/analysis"
+	"github.com/pterm/pterm"
+)
+
+type INTERACTIVE_STATE int
+
+const (
+	prompt = "Given the following context: "
+)
+
+const (
+	E_RUNNING INTERACTIVE_STATE = iota
+	E_EXITED                    = iota
+)
+
+type InteractionRunner struct {
+	config        *analysis.Analysis
+	State         chan INTERACTIVE_STATE
+	contextWindow []byte
+}
+
+func NewInteractionRunner(config *analysis.Analysis, contextWindow []byte) *InteractionRunner {
+	return &InteractionRunner{
+		config:        config,
+		contextWindow: contextWindow,
+		State:         make(chan INTERACTIVE_STATE),
+	}
+}
+
+func (a *InteractionRunner) StartInteraction() {
+	a.State <- E_RUNNING
+	pterm.Println("Interactive mode enabled [type exit to close.]")
+	for {
+
+		query := pterm.DefaultInteractiveTextInput.WithMultiLine(false)
+		queryString, err := query.Show()
+		if err != nil {
+			fmt.Println(err)
+		}
+		if queryString == "" {
+			continue
+		}
+		if strings.Contains(queryString, "exit") {
+			a.State <- E_EXITED
+			continue
+		}
+		pterm.Println()
+		contextWindow := fmt.Sprintf("%s %s %s", prompt, string(a.contextWindow),
+			queryString)
+
+		response, err := a.config.AIClient.GetCompletion(a.config.Context,
+			contextWindow)
+		if err != nil {
+			color.Red("Error: %v", err)
+			a.State <- E_EXITED
+			continue
+		}
+		pterm.Println(response)
+	}
+}