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#![allow(unused_imports)]
#![allow(unused_variables)]
#![allow(dead_code)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
#![allow(non_upper_case_globals)]

#[cfg(feature = "wasm")]
extern crate wasm_bindgen;

#[cfg(feature = "cli")]
#[macro_use]
pub extern crate prettytable;

#[macro_use]
extern crate serde_json;
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate serde_derive;

#[macro_use]
mod macros;

#[cfg(feature = "wasm")]
use wasm_bindgen::prelude::*;

pub mod analysis;
pub mod clarity;
pub mod contracts;
pub mod repl;

struct GlobalContext {
    session: Option<Session>,
}

static mut WASM_GLOBAL_CONTEXT: GlobalContext = GlobalContext { session: None };

#[cfg(feature = "cli")]
pub mod frontend;

#[cfg(feature = "cli")]
pub use frontend::Terminal;

use repl::{Session, SessionSettings};

#[cfg(feature = "wasm")]
#[wasm_bindgen]
pub async fn init_session() -> String {
    let (session, output) = unsafe {
        match WASM_GLOBAL_CONTEXT.session.take() {
            Some(session) => (session, "".to_string()),
            None => {
                let mut settings = SessionSettings::default();
                settings.include_boot_contracts =
                    vec![format!("costs-v{}", settings.repl_settings.costs_version)];
                let mut session = Session::new(settings);
                let output = session.start_wasm().await;
                (session, output)
            }
        }
    };

    unsafe {
        WASM_GLOBAL_CONTEXT.session = Some(session);
    }
    output
}

#[cfg(feature = "wasm")]
#[wasm_bindgen]
pub fn handle_command(command: &str) -> String {
    let mut session = unsafe {
        match WASM_GLOBAL_CONTEXT.session.take() {
            Some(session) => session,
            None => return "Error: session lost".to_string(),
        }
    };

    let output_lines = session.handle_command(command);

    unsafe {
        WASM_GLOBAL_CONTEXT.session = Some(session);
    }

    output_lines.join("\n").to_string()
}