break team scores per territory

src/csv_io.rs

@@ -1,4 +1,4 @@
-use std::{collections::HashMap, error::Error};
+use std::{collections::{HashMap, HashSet}, error::Error};
 use csv::{Reader, Writer};
 use crate::data::{Player, PlayerScore, TeamScore};
 
@@ -45,13 +45,27 @@ pub fn write_team_scores(
     team_scores: &[TeamScore],
 ) -> Result<(), Box<dyn Error>> {
     let mut writer = Writer::from_path(file_path)?;
+    let mut territories: HashSet<String> = HashSet::new();
+    for score in team_scores.iter() {
+        for (territory, _) in score.territory_scores.clone() {
+            territories.insert(territory);
+        }
+    }
+    let territories: Vec<String> = territories.into_iter().collect();
 
     // Write header
-    writer.write_record(&["team", "total_score"])?;
+    let mut header = vec![String::from("team")];
+    header.append(&mut territories.clone());
+    writer.write_record(&header)?;
 
     // Write data
     for score in team_scores {
-        writer.write_record(&[&score.team, &score.total_score.to_string()])?;
+        let mut scores = vec![score.team.clone()];
+        let default = 0;
+        for territory in territories.clone() {
+            scores.push(score.territory_scores.get(&territory).unwrap_or(&default).to_string());
+        }
+        writer.write_record(scores)?;
     }
 
     writer.flush()?;
@@ -187,9 +201,9 @@ mod tests {
         write_team_scores(file_path, &team_scores).unwrap();
 
         let content = fs::read_to_string(file_path).unwrap();
-        assert!(content.contains("team,total_score"));
-        assert!(content.contains("Red Team,20"));
-        assert!(content.contains("Blue Team,15"));
+        assert!(content.contains("team,Capitol Hill,Downtown"));
+        assert!(content.contains("Red Team,20,0"));
+        assert!(content.contains("Blue Team,0,15"));
     }
 
     #[test]