From 00944b5db9ee37ab398e6b3168d87e12f1e10aad Mon Sep 17 00:00:00 2001
From: Daniel Flanagan <daniel@lyte.dev>
Date: Sat, 6 Jul 2024 10:12:21 -0500
Subject: [PATCH] WIP

---
 src/model.rs | 56 +++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 38 insertions(+), 18 deletions(-)

diff --git a/src/model.rs b/src/model.rs
index 2c8f2c2..d6f0ea1 100644
--- a/src/model.rs
+++ b/src/model.rs
@@ -6,26 +6,37 @@ mod song {
 
     use regex::Regex;
 
+    #[derive(Debug, PartialEq, Eq)]
     pub struct Verse {
         // pub background: String, // url
         pub content: String,
     }
 
+    impl Verse {
+        fn new(content: String) -> Self {
+            Self { content }
+        }
+    }
+
     /// Sequence of verse names.
-    pub type SongMap = Vec<String>;
+    pub type Plan = Vec<String>;
 
     pub struct Song {
         pub name: String,
         pub verses: BTreeMap<String, Verse>,
-        pub other_maps: BTreeMap<String, SongMap>,
-        pub default_map: SongMap,
+        pub other_plans: BTreeMap<String, Plan>,
+        pub default_plan: Plan,
     }
 
     impl Song {
-        pub fn song_map(&self, map_name: Option<String>) -> &Vec<String> {
-            map_name
-                .map(|map_name| self.other_maps.get(&map_name).unwrap_or(&self.default_map))
-                .unwrap_or(&self.default_map)
+        pub fn plan(&self, plan_name: Option<String>) -> &Vec<String> {
+            plan_name
+                .map(|plan_name| {
+                    self.other_plans
+                        .get(&plan_name)
+                        .unwrap_or(&self.default_plan)
+                })
+                .unwrap_or(&self.default_plan)
         }
     }
 
@@ -52,7 +63,7 @@ mod song {
                 hunks.push_back(&s[last_end..m.start()]);
                 last_end = m.end();
             }
-            hunks.push_back(&s[last_end..s.len() - 1]);
+            hunks.push_back(&s[last_end..s.len()]);
 
             // process header
             let mut header_lines = hunks.pop_front().unwrap().lines();
@@ -68,26 +79,27 @@ mod song {
             // process verses
             for hunk in hunks {
                 let mut verse_contents = hunk;
-                let first_line = &hunk[0..hunk.find('\n').unwrap_or(hunk.len())];
-                let verse_name: String = if let Some(i) = first_line.find(':') {
-                    String::from(&first_line[0..i])
+                let end_i = hunk.find('\n').unwrap_or(hunk.len());
+                let verse_name: String = if let Some(i) = &hunk[0..end_i].find(':') {
+                    verse_contents = &hunk[end_i + 1..];
+                    String::from(&hunk[0..*i])
                 } else {
-                    format!("Generated Verse {}", verses.len()).to_owned()
+                    format!("Generated Verse {}", verses.len() + 1).to_owned()
                 };
-                verses.insert(verse_name, verse_content);
+                verses.insert(verse_name, Verse::new(verse_contents.to_owned()));
             }
 
             Ok(Self {
                 name,
                 verses,
-                other_maps: BTreeMap::new(),
-                default_map: vec![],
+                other_plans: BTreeMap::new(),
+                default_plan: vec![],
             })
         }
     }
 
     mod test {
-        use super::Song;
+        use super::{Song, Verse};
 
         #[test]
         fn parses_simple_song() {
@@ -98,17 +110,25 @@ mod song {
                 .unwrap();
 
             assert_eq!(song.name, "Song Title");
+            assert_eq!(
+                song.verses.get("Generated Verse 1"),
+                Some(&Verse {
+                    content: "A verse".to_owned()
+                })
+            );
             assert_eq!(song.verses.len(), 1);
+            assert_eq!(song.default_plan.len(), 1);
+            assert_eq!(song.default_plan[0], "Generated Verse 1");
         }
     }
 }
 
 mod display {
-    use super::song::{Song, SongMap};
+    use super::song::{Plan, Song};
 
     pub struct PlaylistEntry {
         pub song: Song,
-        pub map: SongMap,
+        pub map: Plan,
     }
 
     pub struct PlaylistVerseRef {