From 6ca07d6af8a338e76817d06c6c6c6f13e64fba9c Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Fri, 26 Jul 2024 10:32:55 +0200
Subject: add neosheetrc support

---
 src/config/theme/colorpair.rs | 106 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/config/theme/colorpair.rs

(limited to 'src/config/theme/colorpair.rs')

diff --git a/src/config/theme/colorpair.rs b/src/config/theme/colorpair.rs
new file mode 100644
index 0000000..77e6af4
--- /dev/null
+++ b/src/config/theme/colorpair.rs
@@ -0,0 +1,106 @@
+use std::str::FromStr;
+
+use mlua::{FromLua, IntoLua};
+use ratatui::style::{Color, Styled, Stylize};
+
+#[derive(Clone)]
+pub struct ColorPair {
+    pub fg: Color,
+    pub bg: Color,
+}
+
+impl ColorPair {
+    pub const fn new(fg: Color, bg: Color) -> Self {
+        ColorPair { bg, fg }
+    }
+
+    pub fn apply<S, I>(&self, s: S) -> <I as Styled>::Item
+    where
+        S: Styled<Item = I>,
+        I: Styled,
+    {
+        s.bg(self.bg).fg(self.fg)
+    }
+}
+
+impl<'lua> FromLua<'lua> for ColorPair {
+    fn from_lua(
+        value: mlua::prelude::LuaValue<'lua>,
+        _lua: &'lua mlua::prelude::Lua,
+    ) -> mlua::prelude::LuaResult<Self> {
+        if value.is_table() {
+            let table = value.as_table().unwrap();
+            if let Ok(fg) = table.get::<_, LuaColor>(1) {
+                if let Ok(bg) = table.get::<_, LuaColor>(2) {
+                    return Ok(ColorPair::new(fg.into(), bg.into()));
+                }
+            } else if let Ok(fg) = table.get::<_, LuaColor>("fg") {
+                if let Ok(bg) = table.get::<_, LuaColor>("bg") {
+                    return Ok(ColorPair::new(fg.into(), bg.into()));
+                }
+            }
+        }
+
+        return Err(mlua::Error::runtime("could not parse colorpair"));
+    }
+}
+
+impl<'lua> IntoLua<'lua> for ColorPair {
+    fn into_lua(
+        self,
+        lua: &'lua mlua::prelude::Lua,
+    ) -> mlua::prelude::LuaResult<mlua::prelude::LuaValue<'lua>> {
+        let table = lua.create_table()?;
+        table.set("fg", LuaColor::from(self.fg))?;
+        table.set("bg", LuaColor::from(self.bg))?;
+        Ok(table.into_lua(lua)?)
+    }
+}
+
+struct LuaColor {
+    color: Color,
+}
+
+impl LuaColor {
+    fn new(color: Color) -> Self {
+        Self { color }
+    }
+}
+
+impl From<Color> for LuaColor {
+    fn from(value: Color) -> Self {
+        LuaColor::new(value)
+    }
+}
+
+impl Into<Color> for LuaColor {
+    fn into(self) -> Color {
+        self.color
+    }
+}
+
+impl<'lua> FromLua<'lua> for LuaColor {
+    fn from_lua(
+        value: mlua::prelude::LuaValue<'lua>,
+        _lua: &'lua mlua::prelude::Lua,
+    ) -> mlua::prelude::LuaResult<Self> {
+        if value.is_string() {
+            let str = value.as_str().unwrap();
+            match Color::from_str(str) {
+                Ok(color) => Ok(color.into()),
+                Err(_) => Err(mlua::Error::runtime("color has wrong format")),
+            }
+        } else {
+            Err(mlua::Error::runtime("color has wrong format"))
+        }
+    }
+}
+
+impl<'lua> IntoLua<'lua> for LuaColor {
+    fn into_lua(
+        self,
+        lua: &'lua mlua::prelude::Lua,
+    ) -> mlua::prelude::LuaResult<mlua::prelude::LuaValue<'lua>> {
+        Ok(self.color.to_string().to_lowercase().into_lua(lua)?)
+    }
+}
-- 
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