use std::process::exit;

use chrono::Utc;

use crate::{
    Cli, InitArgs,
    data::{Event, Snapshot, User},
    osu, redis,
};

pub fn init(cli: &Cli, args: &InitArgs) {
    let Ok(rosu) = osu::Client::open(&cli.osu) else {
        exit(1)
    };

    let Ok(redis) = redis::Client::open(&cli.redis_url) else {
        exit(1)
    };

    let Ok(osu_users) = rosu.get_users(&args.user_ids) else {
        exit(1)
    };
    let users: Vec<User> = osu_users.iter().map(|x| x.into()).collect();

    let mut event = Event {
        users,
        end_date: args.duration.map(|x| Utc::now() + *x),
        ..Default::default()
    };

    let Ok(snapshot) = Snapshot::create(&event.users, &osu_users) else {
        exit(1)
    };
    match redis.set_snapshot(&args.event_name, &snapshot) {
        Ok(_) => (),
        Err(_) => exit(1),
    };
    match event.add_snapshot(snapshot) {
        Ok(_) => (),
        Err(_) => exit(1),
    };

    redis.set_event(&args.event_name, event).unwrap()
}