From e2327e9980518ceff8b17f49076c5b5a20829793 Mon Sep 17 00:00:00 2001
From: Aisha Tammy <aisha@bsd.ac>
Date: Fri, 11 Mar 2022 14:38:28 -0500
Subject: [PATCH] add banana stabber + emote sending

Signed-off-by: Aisha Tammy <aisha@bsd.ac>
---
 plugins/banana_stab.go | 57 ++++++++++++++++++++++++++++++++++++++++++
 plugins/plugins.go     | 21 ++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 plugins/banana_stab.go

diff --git a/plugins/banana_stab.go b/plugins/banana_stab.go
new file mode 100644
index 0000000..82228ad
--- /dev/null
+++ b/plugins/banana_stab.go
@@ -0,0 +1,57 @@
+package plugins
+
+import (
+	"fmt"
+	"regexp"
+
+	"github.com/matrix-org/gomatrix"
+)
+
+type BananaStab struct {
+}
+
+// Descr describes this plugin
+func (h *BananaStab) Descr() string {
+	return "Stab someone with some bananas."
+}
+
+// Re matches our stabbing format
+func (h *BananaStab) Re() string {
+	return `(?i)^stab: (.+)$`
+}
+
+func (h *BananaStab) fix(msg string) string {
+	re := regexp.MustCompile(h.Re())
+	stabee := re.ReplaceAllString(msg, "$1")
+	return stabee
+}
+
+// Match checks for our stabee person
+func (h *BananaStab) Match(_, msg string) bool {
+	re := regexp.MustCompile(h.Re())
+	return re.MatchString(msg)
+}
+
+// SetStore does nothing in BananaStab
+func (h *BananaStab) SetStore(_ PluginStore) {}
+
+func (h *BananaStab) Process(from, post string) string {
+	stabee := h.fix(post)
+	stabtxt := "..."
+	if stabee != "" {
+		stabtxt = fmt.Sprintf("stabs %s with the fury of a thousand radioactive bananas", stabee)
+	}
+	//jsonmsg := "{ \"body\": \"" + stabtxt + "\", \"type\": \"m.emote\"}"
+	return stabtxt
+}
+
+// RespondText stabs an unsuspecting person
+func (h *BananaStab) RespondText(c *gomatrix.Client, ev *gomatrix.Event, _, post string) error {
+	err := SendEmote(c, ev.RoomID, h.Process(ev.Sender, post))
+	return err
+}
+
+// Name BananaStab!
+func (h *BananaStab) Name() string {
+	return "BananaStab"
+}
diff --git a/plugins/plugins.go b/plugins/plugins.go
index 77c5d15..473f702 100644
--- a/plugins/plugins.go
+++ b/plugins/plugins.go
@@ -139,6 +139,26 @@ func SendText(c *gomatrix.Client, roomID, message string) error {
 	return nil
 }
 
+// SendEmote sends an emote to a given room. It pretends to be
+// "typing" by calling UserTyping for the caller.
+func SendEmote(c *gomatrix.Client, roomID, message string) error {
+	_, err := c.UserTyping(roomID, true, 3)
+	if err != nil {
+		return err
+	}
+
+	_, err = c.SendMessageEvent(roomID, "m.room.message", gomatrix.GetHTMLMessage("m.emote", message))
+	if err != nil {
+		return err
+	}
+
+	_, err = c.UserTyping(roomID, false, 0)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 // SendHTML sends an html message to a given room. It pretends to be
 // "typing" by calling UserTyping for the caller.
 func SendHTML(c *gomatrix.Client, roomID, message string) error {
@@ -262,6 +282,7 @@ type Plugins []Plugin
 
 // Plugs defines the "enabled" plugins.
 var Plugs = Plugins{
+	&BananaStab{},
 	&Beat{},
 	&Beer{},
 	&BotSnack{},