use std::collections::HashMap;
use std::path::PathBuf;
use config::Config;
use poise::serenity_prelude::ChannelId;
use crate::ManifoldResult;
use crate::models::fueltank::FuelTank;

#[derive(Debug, Deserialize, Serialize)]
pub struct Channels {
    pub log: ChannelId,
}

#[derive(Debug, Deserialize, Serialize)]
pub struct DatabaseConfig {
    pub host: String,
    pub user: String,
    pub pass: String,
    pub database_name: String,
    pub port: i32,
}

#[derive(Debug, Deserialize, Serialize)]
pub struct ManifoldConfig {
    pub prefix: String,
    pub channels: Channels,
    pub nickname: String,
    pub services: HashMap<String, FuelTank>,
    pub database: DatabaseConfig,
    pub responses_file_path: PathBuf,
}

impl ManifoldConfig {
    pub fn new(config_file: &String, bot_environment: &String) -> ManifoldResult<Self> {

        let settings = Config::builder()
            .add_source(config::File::with_name(&*format!("config/{}.{}", bot_environment.to_lowercase(), config_file)))
            .add_source(config::Environment::with_prefix("manifold"))
            .build()?;

        Ok(settings.try_deserialize()?)
    }
}