CGGItemSets/src/main.rs

use indexmap::IndexMap;
use log::{error, info, LevelFilter};
use serde_derive::Deserialize;
use simple_logger::SimpleLogger;
use std::io::Error;
#[cfg(target_os = "windows")]
use std::io::ErrorKind;
use std::path::PathBuf;
use std::{fs, thread, time};
use time::Duration;
#[cfg(target_os = "windows")]
use winreg::RegKey;

mod cgg_data_source;
mod data_source;
mod kb_data_source;
mod pb_data_source;

use cgg_data_source::CGGDataSource;
use data_source::DataSource;
use kb_data_source::KBDataSource;
use pb_data_source::PBDataSource;

#[derive(Deserialize)]
struct Realm {
    v: String,
}

#[derive(Deserialize)]
struct Champion {
    data: IndexMap<String, ChampInfo>,
}

#[derive(Deserialize)]
pub struct ChampInfo {
    id: String,
    name: String,
    key: String
}

const USER_AGENT_KEY: &str = "User-Agent";
const USER_AGENT_VALUE: &str =
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0";
const LOL_CHAMPS_DIR: &str = ".\\champs";

fn main() {
    SimpleLogger::new()
        .with_level(LevelFilter::Info)
        .with_module_level("ureq", LevelFilter::Error)
        .init()
        .unwrap();

    info!("CGG Item Sets");

    let lol_champs_dir = match lol_champ_dir() {
        Ok(x) => x,
        Err(_e) => PathBuf::from(LOL_CHAMPS_DIR),
    };
    info!("LoL Champs Folder: {}", lol_champs_dir.to_str().unwrap());

    let client = ureq::AgentBuilder::new()
        .timeout(Duration::from_secs(10))
        .build();

    let realm: Realm = client
        .get("https://ddragon.leagueoflegends.com/realms/euw.json")
        .set(USER_AGENT_KEY, USER_AGENT_VALUE)
        .call()
        .unwrap()
        .into_json()
        .unwrap();
    info!("LoL version: {}", realm.v);

    let champion: Champion = client
        .get(&format!(
            "https://ddragon.leagueoflegends.com/cdn/{}/data/en_US/champion.json",
            realm.v
        ))
        .set(USER_AGENT_KEY, USER_AGENT_VALUE)
        .call()
        .unwrap()
        .into_json()
        .unwrap();
    info!("LoL numbers of champs: {}", champion.data.len());

    let data_sources: [Box<dyn DataSource>; 3] = [
        Box::new(PBDataSource),
        Box::new(CGGDataSource),
        Box::new(KBDataSource::new(&client)),
    ];

    for data_source in data_sources.iter() {
        let (champs, patch) = data_source.get_champs_with_positions_and_patch(&client);

        info!("{} version: {}", data_source.get_alias(), patch);
        info!(
            "{} numbers of champs: {}",
            data_source.get_alias(),
            champs.len()
        );

        for (id, positions) in &champs {
            let mut champ_id: String = String::from(id);

            if !champion.data.contains_key(&champ_id) {
                champ_id = get_champ_from_key(&champion, &champ_id);
            }
            
            if champion.data.contains_key(&champ_id) {
                let path = lol_champs_dir.join(&champ_id).join("Recommended");
                fs::create_dir_all(&path).unwrap();
                for pos in positions {
                    data_source.write_item_set(
                        &champion.data.get(&champ_id).unwrap(),
                        &pos,
                        &patch,
                        &path,
                        &client,
                    );
                    thread::sleep(Duration::from_millis(data_source.get_timeout()));
                }
            } else {
                error!("{} not found in LoL champs", &id);
            }
        }
    }
}

fn get_champ_from_key(champs: &Champion, key: &String) -> String  {
    for champ in champs.data.values() {
        if key == &champ.key {
            return champ.id.clone();
        }
    }
    String::new()
}

#[cfg(target_os = "windows")]
fn lol_champ_dir() -> Result<PathBuf, Error> {
    let hklm = RegKey::predef(winreg::enums::HKEY_CURRENT_USER);
    let mut node = hklm.open_subkey(r"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\")?;

    let key = node
        .enum_keys()
        .map(|x| x.unwrap())
        .find(|x| x == "Riot Game league_of_legends.live");

    if key == None {
        return Err(Error::new(ErrorKind::NotFound, ""));
    }

    node = node.open_subkey(key.unwrap())?;
    let val: String = node.get_value("InstallLocation")?;
    Ok(PathBuf::from(val).join("Config").join("Champions"))
}

#[cfg(not(target_os = "windows"))]
fn lol_champ_dir() -> Result<PathBuf, Error> {
    Ok(PathBuf::from(LOL_CHAMPS_DIR))
}