From fe0938b1de0c46fc2afcaa3dcd6a0f4ec870d21a Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Fri, 2 Aug 2024 00:36:10 +0200
Subject: add state which is shared with the lua environment

---
 src/sheet/register.rs | 33 +++++++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

(limited to 'src/sheet/register.rs')

diff --git a/src/sheet/register.rs b/src/sheet/register.rs
index 4fca3a3..039c6f0 100644
--- a/src/sheet/register.rs
+++ b/src/sheet/register.rs
@@ -1,8 +1,8 @@
 use std::sync::{Arc, RwLock};
 
-use mlua::{UserData, Value};
+use mlua::{Table, UserData, Value};
 
-use super::{Sheet, SheetLuaRef};
+use super::{cell::Cell, Sheet, SheetLuaRef};
 
 static REGISTER: RwLock<Vec<Arc<RwLock<Sheet>>>> = RwLock::new(Vec::new());
 
@@ -21,6 +21,31 @@ impl Register {
         id
     }
 
+    pub fn create_from_table(table: Table) -> mlua::Result<SheetId> {
+        let mut register = REGISTER.write().unwrap();
+        let id = register.len();
+
+        let height = table.len()? as usize;
+        let mut width: usize = 0;
+
+        for column in table.clone().pairs::<usize, Table>() {
+            width = width.max(column?.1.len()? as usize)
+        }
+
+        let mut sheet = Sheet::new(width, height, id);
+
+        for row_res in table.pairs::<usize, Table>() {
+            let (row, c) = row_res?;
+            for column_res in c.pairs::<usize, Cell>() {
+                let (column, cell) = column_res?;
+                sheet.set_cell(row, column, cell)
+            }
+        }
+
+        register.push(Arc::new(RwLock::new(sheet)));
+        Ok(id)
+    }
+
     pub fn get(id: SheetId) -> Option<Arc<RwLock<Sheet>>> {
         let register = REGISTER.read().unwrap();
 
@@ -34,8 +59,8 @@ impl Register {
 
 impl UserData for Register {
     fn add_methods<'lua, M: mlua::UserDataMethods<'lua, Self>>(methods: &mut M) {
-        methods.add_function_mut("create", |lua, (width, height): (usize, usize)| {
-            let id = Register::create(width, height);
+        methods.add_function_mut("create", |lua, table: Table| {
+            let id = Register::create_from_table(table)?;
             let luaref = SheetLuaRef::new(id);
             if let Ok(ud) = lua.create_userdata(luaref) {
                 Ok(Value::UserData(ud))
-- 
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