use anyhow::Result;
use wasmtime::*;
use wasmtime_wasi::{Wasi, WasiCtx};

fn main() -> Result<()> {
    println!("Initializing...");
    let store = Store::default();
    let wasi = Wasi::new(&store, WasiCtx::new(std::env::args())?);

    println!("Compiling module...");
    let module = Module::from_file(&store, "/home/yolo/hello/target/wasm32-wasi/debug/hello.wasm")?;
    let module2 = Module::from_file(&store, "/home/yolo/hello2/target/wasm32-wasi/debug/hello.wasm")?;

    println!("Instantiating module...");
    let ty = MemoryType::new(Limits::new(322, None));
    let mem = Memory::new(&store, ty);
    let imports = [Extern::from(mem), Extern::from(wasi.get_export("fd_write").unwrap().clone())];

    let instance = Instance::new(&module, &imports)?;
    let instance2 = Instance::new(&module2, &imports)?;

    println!("Extracting export...");
    let run = instance
        .get_func("kek")
        .ok_or(anyhow::format_err!("failed to find `run` function export"))?
        .get0::<i32>()?;

    let run2 = instance2
        .get_func("top")
        .ok_or(anyhow::format_err!("failed to find `run` function export"))?
        .get1::<i32, i32>()?;

    // And last but not least we can call it!
    println!("Calling export...");
    let kek_ptr = run()?;
    //let kek2 = run2(kek_ptr)?;

    //println!("lmao. {:?}", kek2);
    Ok(())
}