data structure for augment capabilities

lib/structs.dart

@@ -1,6 +1,7 @@
 //data structures
 
 import 'dart:typed_data';
+import 'package:markdown/markdown.dart' as md;
 
 class GetThreadResponse {
   final int id;
@@ -157,6 +158,94 @@ class AugmentTree {
   AugmentTree? parent;
   String ogTag = '';
   String numbering = '';
+  Map<String, int> hirarchyDict = {
+    "h1": 1,
+    "h2": 2,
+    "h3": 3,
+    "h4": 4,
+    "h5": 5,
+    "h6": 6,
+    "p": 8,
+    "ul": 8,
+    "li": 8,
+  };
+
+  AugmentTree();
+
+  AugmentTree.fromMD(String rawMD) {
+    //makes raw MD into an augmentTree
+    print("started markdown2tree");
+    final List<md.Node> nakedList = md.Document().parseLines(rawMD.split(
+        '\n')); //emails md is the index of the email in the thread, since this only handles one thus it shall be removed
+    // AugmentTree zoomTreeRoot = AugmentTree();
+    for (var node in nakedList) {
+      //maybe do an add function, but isn't this it?
+      if (node is md.Element) {
+        AugmentTree temp = AugmentTree();
+        temp.data = node.textContent;
+        temp.ogTag = node.tag;
+        if (hirarchyDict.containsKey(node.tag)) {
+          // make this O(1)
+          _add2Tree(this, node);
+          // print(node);
+        }
+      }
+    }
+    this.addNumbering();
+  }
+
+  void _add2Tree(AugmentTree tree, md.Element node2add) {
+    // adds node to its corresponding place
+    AugmentTree newNode = AugmentTree();
+    newNode.setData(node2add.textContent);
+    newNode.ogTag = node2add.tag;
+    // cases,
+    //1. a node that comes is lower than the root.children last, if so it goes beneath it
+    if (tree.children.isEmpty) {
+      // new level to be created when totally empty
+      tree.children.add(newNode);
+      newNode.parent = tree;
+    } else if (tree.children.isNotEmpty &&
+        tree.children.last.ogTag.isNotEmpty) {
+      if ((hirarchyDict[node2add.tag] ??
+              -1) < // e.g. new node is h1 and old is h2, heapify
+          (hirarchyDict[tree.children.last.ogTag] ?? -1)) {
+        //have to figure out the borthers
+        //assuming it all goes right
+        if ((hirarchyDict[node2add.tag] ?? -1) == -1 ||
+            (hirarchyDict[tree.children.last.ogTag] ?? -1) == -1) {
+          print(
+              'failed and got -1 at _add2Tree \n ${hirarchyDict[node2add.tag] ?? -1} < ${hirarchyDict[tree.children.last.ogTag] ?? -1}');
+          return;
+        } else if (tree.children.last.parent == null) {
+          // becomes the new top level
+          for (AugmentTree brother in tree.children) {
+            brother.parent = newNode;
+          }
+          tree.children = [newNode];
+        } else {
+          newNode.parent = tree;
+          tree.children.add(newNode);
+        }
+      } else if ((hirarchyDict[node2add.tag] ??
+              -1) > // go down e.g. new node is h3 and old is h2 or something
+          (hirarchyDict[tree.children.last.ogTag] ?? -1)) {
+        if ((hirarchyDict[node2add.tag] ?? -1) == -1 ||
+            (hirarchyDict[tree.children.last.ogTag] ?? -1) == -1) {
+          print(
+              'failed and got -1 at _add2Tree \n ${hirarchyDict[node2add.tag] ?? -1} > ${hirarchyDict[tree.children.last.ogTag] ?? -1}');
+          print("-1 ${tree.children.last.ogTag}");
+          return;
+        }
+
+        _add2Tree(tree.children.last, node2add);
+      } else if ((hirarchyDict[node2add.tag] ?? -1) ==
+          (hirarchyDict[tree.children.last.ogTag] ?? -1)) {
+        tree.children.add(newNode);
+        newNode.parent = tree;
+      }
+    }
+  }
 
   void setData(String data) {
     this.data = data;
@@ -197,14 +286,19 @@ class AugmentTree {
   }
 }
 
+//perhaps make a struct that builds augment tree, since its so complex and needs to be like recursive
 
-class MarkdownParsed{
+class MarkdownParsed {
+  //struct for holding the MD given in endpoint //not used
   final String text;
   MarkdownParsed({required this.text});
-  factory MarkdownParsed.fromJson(Map<String, String> json){
+  factory MarkdownParsed.fromJson(Map<String, String> json) {
     return MarkdownParsed(
       text: json['md'] ?? '',
     );
   }
 }
 
+//should make an md to tree class/struct
+
+// make a for loop of rows with markdown