use std::path::Path;

use krossbar_settings_common::DEFAULT_SETTINGS_DIR;
use krossbar_settings_lib::Settings;

const SERVICE_NAME: &str = "krossbar.storage.example";

fn print_json(path: &Path) {
    let data = std::fs::read_to_string(path).unwrap();
    println!("Settings: '{data}'");
}

fn main() {
    let settings = Settings::init(SERVICE_NAME).unwrap();

    let settings_path = Path::new(DEFAULT_SETTINGS_DIR).join(format!("{SERVICE_NAME}.json"));
    print_json(&settings_path); // {}

    let mut value = settings.read_or_insert("test_value", 42i32).unwrap();
    print_json(&settings_path);
    // { "test_value": ${some number} } if existed or
    // { "test_value": 42 } if a newly created entry

    value.update(11).unwrap();
    print_json(&settings_path); // { "test_value": 11 }

    value.clear().unwrap(); // {}
}