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/*
 * AquaVM Workflow Engine
 *
 * Copyright (C) 2024 Fluence DAO
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#![allow(unused_attributes)]
#![warn(rust_2018_idioms)]
#![deny(
    dead_code,
    nonstandard_style,
    unused_imports,
    unused_mut,
    unused_variables,
    unused_unsafe,
    unreachable_patterns
)]

mod ast;
mod logger;

use air::execute_air;
use air::RunParameters;

use log::LevelFilter;
use wasm_bindgen::prelude::*;

pub const DEFAULT_LOG_LEVEL: LevelFilter = LevelFilter::Trace;

#[wasm_bindgen(start)]
pub fn main() {
    // it's necessary to initialize it with the minimal allowed log level,
    // because otherwise it's impossible to set less level than used during initialization.

    const MINIMAL_LOG_LEVEL: LevelFilter = LevelFilter::Trace;
    logger::init_logger(Some(MINIMAL_LOG_LEVEL));

    // this one is just a guard for possible changes of the invoke function where some log-prone
    // code could added before the setting max log level from a function parameter.
    log::set_max_level(LevelFilter::Info);
}

#[allow(clippy::too_many_arguments)]
#[wasm_bindgen]
pub fn invoke(
    air: String,
    prev_data: Vec<u8>,
    data: Vec<u8>,
    params: Vec<u8>,
    call_results: Vec<u8>,
    log_level: &str,
) -> String {
    use std::str::FromStr;

    let log_level = log::LevelFilter::from_str(log_level).unwrap_or(DEFAULT_LOG_LEVEL);
    log::set_max_level(log_level);

    let params: RunParameters = serde_json::from_slice(&params).expect("cannot parse RunParameters");

    let outcome = execute_air(air, prev_data, data, params, call_results.into());
    serde_json::to_string(&outcome).expect("Cannot parse InterpreterOutcome")
}

#[wasm_bindgen]
pub fn ast(script: String) -> String {
    ast::ast(script)
}