1 files changed, 23 insertions, 0 deletions

diff --git a/src/apis/modrinth.rs b/src/apis/modrinth.rs
index 0c3eca5..c71b47f 100644
--- a/src/apis/modrinth.rs
+++ b/src/apis/modrinth.rs
@@ -1,3 +1,5 @@
+use std::io::{Error, ErrorKind};
+use chrono::{DateTime, FixedOffset};
 use serde::Deserialize;
 
 use crate::{Modloader, List};
@@ -153,3 +155,24 @@ pub async fn versions(api: String, id: String, list: List) -> Vec<Version> {
 
     serde_json::from_slice(&data.await.unwrap()).unwrap()
 }
+
+pub fn extract_current_version(versions: Vec<Version>) -> Result<String, Box<dyn std::error::Error>> {
+    match versions.len() {
+        0 => Err(Box::new(Error::new(ErrorKind::NotFound, "NO_VERSIONS_AVAILABLE"))),
+        //TODO compare publish dates
+        1.. => {
+            let mut times: Vec<(String, DateTime<FixedOffset>)> = vec![];
+            for ver in versions {
+                let stamp = DateTime::parse_from_rfc3339(&ver.date_published)?;
+                times.push((ver.id, stamp))
+            }
+            dbg!(&times);
+            times.sort_by_key(|t| t.1);
+            times.reverse();
+            dbg!(&times);
+            println!("CW: {}", times[0].0);
+            Ok(times[0].0.to_string())
+        },
+        _ => panic!("available_versions should never be negative"),
+    }
+}