use mlua::prelude::*;

use super::{cell::Cell, Sheet};

pub trait LuaMap {
    fn lua_map(
        &mut self,
        func: LuaFunction<'_>,
        range: Vec<(usize, usize)>,
    ) -> Result<(), LuaError>;
}

impl LuaMap for Sheet {
    fn lua_map(
        &mut self,
        func: LuaFunction<'_>,
        range: Vec<(usize, usize)>,
    ) -> Result<(), LuaError> {
        let mut sheet = self.clone();

        for (row, column) in range.iter() {
            let cellref = self.get_ref(*row, *column);

            match func.call::<_, Cell>(cellref) {
                Ok(cell) => sheet.set_cell(*row, *column, cell),
                Err(error) => return Err(error),
            }
        }

        self.apply(sheet);

        Ok(())
    }
}