feat: expand faketpa + add usage

chat.lua

@@ -100,11 +100,11 @@ local function sayserver(msg)
     end)
 end
 
-local function faketpa(tgtplr, sender, fakeplr, fakemsg)
+local function faketpa(tgtplr, sender, fakeplr, fakemsg, url)
     dispatch(function(bx)
         local clickEvent = {
             action = "open_url",
-            value = "https://picture.wtf/p/27wzu9.png",
+            value = url,
         }
 
         local msg = {

cmds.lua

@@ -211,15 +211,54 @@ cmds.faketpa = {
         { match = "block",  desc = "from who fake" },
         { match = "block",  desc = "from who carrier" },
         { match = "block",  desc = "carrier says what" },
+        { match = "block",  desc = "what url to open", optional = true },
     },
     allowLimitedUser = true,
-    proc = function(unm, tgt, fromwho, carrierwho, carrierwhat)
-        ch.faketpa(tgt, fromwho, carrierwho, carrierwhat)
+    proc = function(unm, tgt, fromwho, carrierwho, carrierwhat, openurl)
+        openurl = openurl or "https://picture.wtf/p/27wzu9.png"
+        ch.faketpa(tgt, fromwho, carrierwho, carrierwhat, openurl)
+    end,
+}
+
+cmds.usage = {
+    alias = { "u", "cmd", "c" },
+    desc = "how to use a command?",
+    args = {
+        { match = "block", desc = "what command" },
+    },
+    allowLimitedUser = true,
+    proc = function(unm, cmd)
+        local xcmd
+        for k, v in next, cmds do
+            if k == cmd then
+                xcmd = v
+                break
+            end
+            for _, a in next, v.alias do
+                if a == cmd then
+                    xcmd = v
+                    break
+                end
+            end
+        end
+        if not xcmd then
+            ch.send(unm, "could not find command \"" .. cmd .. "\"", "cmd")
+            return
+        end
+        local msg = "the usage is- $" .. cmd
+        for _, arg in next, xcmd.args do
+            local br1, br2 = "<", ">"
+            if arg.optional then
+                br1, br2 = "[", "]"
+            end
+            msg = msg .. " " .. br1 .. arg.desc .. br2
+        end
+        ch.send(unm, msg, "help")
     end,
 }
 
 cmds.help = {
-    alias = {},
+    alias = { "cmds", "?" },
     desc = "help with how to use",
     args = {
         { match = "number", desc = "page", optional = true }

index.lua

@@ -83,20 +83,21 @@ local function processMessage(unm, msg, hidden)
 
         if x.match == "block" then
             msg, arg = nextWord(msg)
-            if not arg then
+            if not arg and not x.optional then
                 ch.send(unm, "missing arg: " .. x.desc, "cmd")
                 return
             end
         elseif x.match == "player" then
             msg, arg = nextWord(msg)
-            if not arg then
+            if not arg and not x.optional then
                 ch.send(unm, "missing player arg: " .. x.desc, "cmd")
                 return
-            end
-            arg = tk:resTg(arg)
-            if not arg then
-                ch.send(unm, "target not found for: " .. x.desc, "cmd")
-                return
+            else
+                arg = tk:resTg(arg)
+                if not arg then
+                    ch.send(unm, "target not found for: " .. x.desc, "cmd")
+                    return
+                end
             end
         elseif x.match == "rest" then
             arg = msg