use serde::{Deserialize, Serialize};
use std::{
    collections::HashMap,
    fs::File,
    io::{Error, ErrorKind, Read},
    path::PathBuf,
};
use toml::from_str;

#[derive(Serialize, Deserialize)]
pub struct Config {
    pub workspace_directory: String,
    pub max_depth: usize,
    pub project_marker: Vec<String>,
    pub directories: HashMap<String, DirectoryConfig>,
}

#[derive(Serialize, Deserialize)]
struct DirectoryConfig {
    pub priority: u32,
    pub icon: String,
}

impl Config {
    pub fn load(path: PathBuf) -> Result<Self, Error> {
        let mut file = File::open(path)?;
        let mut contents = String::new();
        file.read_to_string(&mut contents)?;

        from_str(&contents).map_err(|e| Error::new(ErrorKind::InvalidData, e))
    }
}