If the argument isn't an ID, use fzf to find an ID

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

internal/lib/fzf.go

@@ -0,0 +1,34 @@
+package lib
+
+import (
+	"bytes"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+func SelectWithFzf(items []string) (string, error) {
+	cmd := exec.Command("fzf", "--ansi")
+
+	var input bytes.Buffer
+
+	for _, item := range items {
+		input.WriteString(item + "\n")
+	}
+
+	cmd.Stdin = &input
+
+	var output bytes.Buffer
+	cmd.Stdout = &output
+	cmd.Stderr = os.Stderr
+
+	err := cmd.Run()
+
+	if err != nil {
+		return "", err
+	}
+
+	selected := strings.TrimSpace(output.String())
+
+	return selected, nil
+}