use anyhow::Result;
use chrono::DateTime;
use chrono::Duration;
use chrono::Utc;
use reqwest::Response;

pub mod download_link;
pub mod files;

pub static GAME_NAME: &str = "skyrimspecialedition";
pub const GAME_ID: u32 = 1704;
pub static USER_AGENT: &str = "mod-mapper/0.1";

pub fn rate_limit_wait_duration(res: &Response) -> Result<Option<std::time::Duration>> {
    let daily_remaining = res
        .headers()
        .get("x-rl-daily-remaining")
        .expect("No daily remaining in response headers");
    let hourly_remaining = res
        .headers()
        .get("x-rl-hourly-remaining")
        .expect("No hourly limit in response headers");
    let hourly_reset = res
        .headers()
        .get("x-rl-hourly-reset")
        .expect("No hourly reset in response headers");
    dbg!(daily_remaining);
    dbg!(hourly_remaining);

    if hourly_remaining == "0" {
        let hourly_reset = hourly_reset.to_str()?.trim();
        let hourly_reset: DateTime<Utc> =
            (DateTime::parse_from_str(hourly_reset, "%Y-%m-%d %H:%M:%S %z")?
                + Duration::seconds(5))
            .into();
        dbg!(hourly_reset);
        let duration = (hourly_reset - Utc::now()).to_std()?;
        dbg!(duration);

        return Ok(Some(duration));
    }

    Ok(None)
}