use std::{fs::File, io::BufWriter};
use log::{info, warn, error};
use serde::{Deserialize, Serialize};
use std::io::BufReader;

#[derive(Debug, Deserialize, Serialize)]
pub struct Configuration {
    server_ip: String,
    server_port: String,
    username_prefix: String,
    count: i32,
    proxy_url: String,
    reco_words: Vec<String>,
    login_commands: Vec<String>,
    spam_file: String,
    spam_delay_ms: i32,
    random_prefix: bool,
    pub worker_threads: i32,
    pub use_thread_pool: bool,
    pub update_worker_threads: i32
}

impl Configuration {
    pub fn new(filename: &str) -> Self {
        let file = File::open(filename);
        match file {
            Ok(file) => {
                let reader = BufReader::new(file);
                match serde_json::from_reader::<_,Configuration>(reader) { // serde可以直接解析出实现了Deserialize trait的类型 就很不错
                    Ok(config) => {
                        info!("Server IP: {}", config.server_ip);
                        info!("Server Port: {}", config.server_port);
                        info!("Username Prefix: {}", config.username_prefix);
                        info!("Bot Count: {}", config.count);
                        info!("Proxy URL: {}", config.proxy_url);
                        config
                    }
                    Err(error) => {
                        error!("Error parsing config file: {}", error);
                        Self::default()
                    }
                }
            }
            Err(error) => {
                warn!("Unable to read config file, will use default values: {}", error);
                let file = File::create_new(filename).unwrap();
                let writer = BufWriter::new(file);
                let mut serializer = serde_json::Serializer::pretty(writer);
                Self::default().serialize(&mut serializer).unwrap();
                warn!("A configure file with default values is created.");
                Self::default()
            }
        }
    }

    fn default() -> Self {
        Configuration {
            server_ip: "m.earthvillage.top".to_string(),
            server_port: "33009".to_string(),
            username_prefix: "".to_string(),
            count: 300,
            proxy_url: "http://uu-proxy.com/api/get_proxies?id=RZ7GS5ZYTA&size=1&schemes=socks5&support_https=false&format=json".to_string(),
            reco_words: vec!["AntiAttack".to_string()],
            login_commands: vec![],
            spam_file: "".to_string(),
            spam_delay_ms: 0,
            random_prefix: false,
            worker_threads: 100,
            use_thread_pool: true,
            update_worker_threads: 100,
        }
    }

    // 下面是getter一堆
    pub fn server_ip(&self) -> &str {
        self.server_ip.as_str()
    }
    pub fn server_port(&self) -> &str {
        self.server_port.as_str()
    }
    pub fn username_prefix(&self) -> &str {
        self.username_prefix.as_str()
    }
    pub fn count(&self) -> i32 {
        self.count
    }
    pub fn proxy_url(&self) -> &str {
        self.proxy_url.as_str()
    }
    pub fn reco_words(&self) -> &Vec<String> {
        &self.reco_words
    }
    pub fn login_commands(&self) -> &Vec<String> {
        &self.login_commands
    }
    pub fn spam_file(&self) -> &str {
        self.spam_file.as_str()
    }
    pub fn spam_delay_ms(&self) -> i32 {
        self.spam_delay_ms
    }
    pub fn random_prefix(&self) -> bool {
        self.random_prefix
    }
}

// impl Clone for Configuration {
//     fn clone(&self) -> Self {
//         Configuration {
//             server_ip: self.server_ip.clone(),
//             server_port: self.server_port.clone(),
//             username_prefix: self.username_prefix.clone(),
//             count: self.count,
//             proxy_url: self.proxy_url.clone(),
//             reco_words: self.reco_words.clone(),
//             login_commands:self.login_commands.clone(),
//             random_prefix: self.random_prefix,
//             spam_file: self.spam_file.clone(),
//             spam_delay_ms: self.spam_delay_ms,
//         }
//     }
// }