//! The Lotus interpreter library.

use pest::Parser;

/// The interpreter module, which contains the interpreter for the Lotus language.
pub mod parser;

/// The transpiler module, which transpiles Lotus code to vanilla Lua
mod transpiler;

/// The Lua runner module, which runs Lua code
mod lua_runner;

/// Runs a string of Lotus source code.
///
/// # Arguments
/// - `source_code` - The Lotus source code to run.
///
/// # Errors
/// - If the source code is not valid Lotus or if a runtime error occurs.
///
/// # Safety
/// This function is inherently unsafe because it runs arbitrary Lua code, including loading and using
/// arbitrary C libraries.
#[allow(clippy::missing_panics_doc)] // this doesn't panic? besides what's covered in # Safety
pub unsafe fn run_lotus(source_code: &str) -> anyhow::Result<()> {
    let mut lotus_pairs = crate::parser::LotusParser::parse(crate::parser::Rule::program, source_code)?;
    let lotus_ast = crate::transpiler::pair_to_lotus_node(lotus_pairs.next().unwrap())?;
    let lua_ast: crate::transpiler::LuaAstNode = lotus_ast.into_lua_node()?;
    let lua_code = lua_ast.to_lua_code();
    crate::lua_runner::run(&lua_code)?;
    Ok(())
}