From e69c25bce5f4093dadc2761d609292b75039a245 Mon Sep 17 00:00:00 2001
From: Yessiest <yessiest@memeware.net>
Date: Sat, 18 Mar 2023 01:33:33 +0400
Subject: [PATCH] functional prototype

---
 .gitignore |  3 ++-
 install.sh | 13 +++++++++++++
 main.lua   | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 install.sh
 create mode 100644 main.lua

diff --git a/.gitignore b/.gitignore
index bfec31e..ebaee04 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
-*.so
+*so
 /luvit
 /lit
 /luvi
+/base64.lua
diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..02ee488
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+if [ ! -f ./luaqalculator/libqalculator.so ]; then
+    cd luaqalculator
+    make
+    mv libqalculator.so ../
+    cd ..
+fi
+if [ ! -f ./luvit ]; then
+    curl -L https://github.com/luvit/lit/raw/master/get-lit.sh | sh
+fi
+if [ ! -f ./base64.lua ]; then
+    curl -L https://github.com/iskolbin/lbase64/raw/master/base64.lua > base64.lua
+fi
diff --git a/main.lua b/main.lua
new file mode 100644
index 0000000..bf6c371
--- /dev/null
+++ b/main.lua
@@ -0,0 +1,47 @@
+local http = require("http")
+local querystring = require("querystring")
+local qalculate = require("libqalculator").qalc
+local base64 = require("base64")
+
+-- [[
+-- welcam to best api ever yes
+-- doing this at like 1 am
+-- how to use:
+-- http://localhost:8080/?expression=your shitty expression here&binaryoptions=whatever the fuck
+-- fields:
+-- expression (string) - the thing to calculate
+-- (any of the whatever fields mean that if the option is present, it counts as binary "true". if it isn't, it's a binary "false")
+-- exact (whatever) - try and give an exact answer (do not calculate irrational fractions)
+-- interval (whatever) - give an answer in interval when appropriate
+-- structuring (whatever) - if true, factorize the result. otherwise, expand.
+-- base64 (whatever) - if true, decode the expression as a base64 string first.
+
+local function onRequest(req, res)
+  p(req.url:match("%?(.*)$"))
+  local options = querystring.parse(req.url:match("%?(.*)$"))
+  p(options)
+  local expression = options.expression
+  local body
+  if expression then
+      if options.base64 then
+        expression = base64.decode(expression)
+      end
+      body = qalculate(
+        expression,
+        options.exact,
+        options.interval,
+        options.structuring
+      )
+      if not body then
+        body = ""
+      end
+  else
+    body = "Invalid request"
+  end
+  res:setHeader("Content-Type", "text/plain")
+  res:setHeader("Content-Length", #body)
+  res:finish(body)
+end
+
+http.createServer(onRequest):listen(8080)
+print("Server listening at http://localhost:8080/")