use std::collections::BTreeMap;
use std::fs::read_to_string;
use std::path::PathBuf;
use serde_derive::Deserialize;
use toml;
use anyhow;

#[derive(Deserialize)]
pub struct RcTestGroup {
    #[serde(default)]
    pub max_commits:                u64,
    pub nice:                       u64,
    #[serde(default)]
    pub test_duration_nice:         u64,
    #[serde(default)]
    pub test_always_passes_nice:    u64,
    pub tests:                      Vec<PathBuf>,
}

impl Default for RcTestGroup {
    fn default() -> Self {
        RcTestGroup {
            max_commits:                50,
            nice:                       0,
            test_duration_nice:         180,
            test_always_passes_nice:    10,
            tests:                      Vec::new(),
        }
    }
}

#[derive(Deserialize)]
pub struct RcBranch {
    pub fetch:              String,
    pub tests:              Vec<String>,
}

#[derive(Deserialize)]
pub struct Userrc {
    pub test_group:         BTreeMap<String, RcTestGroup>,
    pub branch:             BTreeMap<String, RcBranch>,
}

pub fn userrc_read(path: &PathBuf) -> anyhow::Result<Userrc> {
    let config = read_to_string(path)?;
    let rc: Userrc = toml::from_str(&config)?;

    Ok(rc)
}