use crate::err_with_loc;
use crate::error::app::AppError;
use crate::error::Result;
use serde::{Deserialize, Serialize};
use std::path::Path;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct StorageRedisConfig {
    pub host: String,
    pub port: u16,
    pub pool_size: u32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LoggingConfig {
    pub directory: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Config {
    pub storage_redis: StorageRedisConfig,
    pub logging: LoggingConfig,
}

pub async fn load_config(path: impl AsRef<Path>) -> Result<Config> {
    let config_str = std::fs::read_to_string(path).map_err(|e| {
        err_with_loc!(AppError::Config(format!(
            "failed_to_read_config_file: {}",
            e
        )))
    })?;

    let config: Config = toml::from_str(&config_str)
        .map_err(|e| err_with_loc!(AppError::Config(format!("failed_to_parse_config: {}", e))))?;

    Ok(config)
}