improved paragraph shifting function

and added test.

lib/event_ds.dart

@@ -370,7 +370,7 @@ class EventData {
       temp = temp + "$idDateLikes";
     }
     //temp = temp + "       |$idDateLikes";
-    String contentShifted = makeParagraphAtDepth( temp, gSpacesPerDepth * depth + effectiveNameFieldLen);
+    String contentShifted = makeParagraphAtDepth( temp,  gSpacesPerDepth * depth + effectiveNameFieldLen);
 
     strToPrint += getStrInColor(contentShifted + "\n", commentColor);
     stdout.write(strToPrint);
@@ -378,8 +378,6 @@ class EventData {
 
   String getAsLine({int len = 20}) {
     String contentToPrint = evaluatedContent.isEmpty? content: evaluatedContent;
-    //print("$contentToPrint|");
-    //print("len = ${contentToPrint.length}");
     if( len == 0 || len > contentToPrint.length) {
       len = contentToPrint.length;
     }
@@ -391,7 +389,6 @@ class EventData {
 
     int strWidth = 40;
     String paddedStrToPrint = strToPrint.padLeft(strWidth);
-    //print("\n$paddedStrToPrint");
     paddedStrToPrint = paddedStrToPrint.substring(0, strWidth);
 
     if( isNotification) {
@@ -809,53 +806,82 @@ String getNumDashes(int num, [String dashType = "-"]) {
   return s;
 }
 
+String makeParagraphAtDepth3(String s, int depthInSpaces) {
+  String newString = "";
+  String spacesString = getNumSpaces(depthInSpaces + gNumLeftMarginSpaces);
+  int lenPerLine = gTextWidth - depthInSpaces;
+
+  List<String> lines = s.split("\n");
+
+  lines.forEach((line) { 
+    newString += line.replaceAll("\n", "\n" + spacesString   ); 
+  });
+
+  return newString;
+}
+
 // make a paragraph of s that starts at numSpaces ( from screen left), and does not extend beyond gTextWidth+gNumLeftMarginSpaces. break it, or add 
 // a newline if it goes beyond gTextWidth + gNumLeftMarginSpaces
-String makeParagraphAtDepth(String s, int numSpaces) {
+String makeParagraphAtDepth(String s, int depthInSpaces) {
   String newString = "";
-  int    numCharsInCurLine = 0;
+  String spacesString = getNumSpaces(depthInSpaces + gNumLeftMarginSpaces);
-  String spacesString = getNumSpaces(numSpaces + gNumLeftMarginSpaces);
 
-  for(int i = 0; i < s.length; i++) {
+  int lenPerLine = gTextWidth - depthInSpaces;
-    if( s[i] == '\n') {
+  for(int startIndex = 0; startIndex < s.length; ) {
-      newString += "\n";
+    List listCulledLine = getLineWithMaxLen(s, startIndex, lenPerLine, spacesString);
-      newString += spacesString;
+
-      numCharsInCurLine = 0;
+    String line = listCulledLine[0];
-    } else {
+    int lenReturned = listCulledLine[1] as int;
-      if( numCharsInCurLine >= (gTextWidth - numSpaces)) {
+    //print("returned len = $lenReturned");
-        if( i > 1 &&  !isWordSeparater(s[i])) {
+
-          // go back in output string and readjust it if needed
+    if( line.length == 0 || lenReturned == 0) break;
-          const int lookForSpace = 6;
+    newString += line;
-          bool foundSpace = false;
+    startIndex += lenReturned;
-          for(int j = 0; j < min(newString.length, lookForSpace); j++) {
-            if( newString[newString.length-1-j] == " ") {
-              foundSpace = true;
-              String charsInNextLine = "";
-              charsInNextLine = newString.substring(newString.length-j, newString.length);
-              String temp = newString.substring(0, newString.length-j) + "\n" + spacesString + charsInNextLine;
-              newString = temp;
-              numCharsInCurLine = charsInNextLine.length;
-              break;
-            }
-          }
-          if(!foundSpace) {
-            newString += "\n";
-            newString += spacesString;
-            numCharsInCurLine = 0;
-          }
-        } else {
-          newString += "\n";
-          newString += spacesString;
-          numCharsInCurLine = 0;
-        }
-      }
-      newString += s[i];
-    }
-    numCharsInCurLine++;
   }
+
   return newString;
 }
 
+// returns from string[startIndex:] the first len number of chars. no newline is added. 
+List getLineWithMaxLen(String s, int startIndex, int len, String spacesString) {
+  //print("====================in getLineWithMaxlen. strlen = ${s.length} startIndex = $startIndex len = $len ");
+
+  if( startIndex >= s.length)
+    return ["", 0];
+
+  String line = "";
+
+  // if length required is greater than the length of string remaing, return whatever remains
+  //if( len > (s.length - startIndex)) 
+  //  return [s.substring(startIndex), s.length - startIndex];
+
+  int numCharsInLine = 0;
+
+  int i = startIndex;
+  for(; i < startIndex + len && i < s.length; i++) {
+    line += s[i];
+    numCharsInLine ++;
+
+    if( s[i] == "\n") {
+      //print("    found newline. also inserting spacesString");
+      i++;
+      numCharsInLine = 0;
+      line += spacesString;
+      break;
+    }
+  }
+
+  if( numCharsInLine > len || (numCharsInLine == len && s.length > startIndex + numCharsInLine)) {
+    //print("    line longer than $len at $numCharsInLine. also inserting spacesString");
+    line += "\n";
+    line += spacesString;
+  }
+
+  //print("    returning with inserted: ${i - startIndex}");
+  //print("    returning: |$line|");
+  return  [line, i - startIndex];
+}
+
 bool nonEnglish(String str) {
   bool result = false;
   return result;

lib/settings.dart

@@ -151,6 +151,11 @@ a & b are orange
 List<String> nameColorPalette = [brightGreenColor, brightCyanColor, brightYellowColor, brightMagentaColor, 
                                  brightBlueColor, brightRedColor, brightBlackColor, brightWhiteColor,
                                  yellowColor,        magentaColor,             redColor ];
+
+List<String> nameColorPalette = [brightMagentaColor, brightBlueColor, brightCyanColor, brightGreenColor, 
+                                brightYellowColor,   brightRedColor,  yellowColor,   redColor        ];
+
+
 */
 
 Map<String, String> pubkeyColor = { '0': brightMagentaColor, '1': brightMagentaColor,
@@ -163,13 +168,10 @@ Map<String, String> pubkeyColor = { '0': brightMagentaColor, '1': brightMagentaC
                                     'e': redColor,        'f':  redColor 
                                    };
 
-List<String> nameColorPalette = [brightMagentaColor, brightBlueColor, brightCyanColor, brightGreenColor, 
-                                brightYellowColor,   brightRedColor,  yellowColor,   redColor        ];
-
 
 String getNameColor( String pubkey) {
   if( pubkey.length == 0)
-    return nameColorPalette[0];
+    return brightMagentaColor;
 
   String firstChar = pubkey.substring(0, 1).toLowerCase();
   return pubkeyColor[firstChar]??brightMagentaColor;

lib/tree_ds.dart

@@ -270,7 +270,7 @@ class Tree {
 
       numPrinted += children[i].printTree(depth+1, newerThan, false);
     }
-
+    // https://gist.github.com/dsample/79a97f38bf956f37a0f99ace9df367b9
     if( leftShifted) {
       stdout.write("\n");
       printDepth(depth+1);

test/nostr_console_test.dart

@@ -1,4 +1,5 @@
 import 'package:nostr_console/event_ds.dart';
+import 'package:nostr_console/settings.dart';
 import 'package:test/test.dart';
 import 'package:nostr_console/tree_ds.dart';
 
@@ -55,5 +56,91 @@ void main() {
     node.printTree(0, DateTime.now().subtract(Duration(days:1000)), selectorShowAllTrees); // will test for ~1000 days
   });
 
+  test('make paragraph', () {
+    gTextWidth = 120;
+    //print(gNumLeftMarginSpaces);
+    //print(gTextWidth);
+
+    String paragraph =  """
+1 Testing paragraph with multiple lines. Testing paragraph with multiple lines. Testing paragraph with multiple lines. Testing paragraph with multiple lines. 
+2 Testing paragraph with multiple lines. Testing paragraph with multiple lines. Testing paragraph with multiple lines. 
+3 Testing paragraph with multiple lines. 
+
+5 Testing paragraph with multiple lines. Testing paragraph with multiple lines. Testing paragraph with multiple lines. 
+6 Testing paragraph with multiple lines. 
+7 Testing paragraph with multiple lines. Testing paragraph with multiple lines.  89 words
+8 Testing paragraph with multiple lines. Testing paragraph with multiple lines.   90 words
+9 Testing paragraph with multiple lines. Testing paragraph with multiple lines.    91 words
+10 Testing paragraph with multiple lines. Testing paragraph with multiple lines.    92 words
+
+
+11 Testing paragraph with multiple lines. Testing paragraph with multiple lines. 89 words
+
+
+
+12 Testing paragraph with multiple lines. Testing paragraph with multiple lines.  90 words
+
+
+
+13 Testing paragraph with multiple lines. Testing paragraph with multiple lines.   91 words
+
+
+
+14 Testing paragraph with multiple lines. Testing paragraph with multiple lines.    92 words
+
+
+
+
+a
+""";
+
+
+String expectedResult = 
+"""
+1 Testing paragraph with multiple lines. Testing paragraph with multiple lines. Testing pa
+                              ragraph with multiple lines. Testing paragraph with multiple lines.
+                              2 Testing paragraph with multiple lines. Testing paragraph with multiple lines. Testing pa
+                              ragraph with multiple lines.
+                              3 Testing paragraph with multiple lines.
+
+                              5 Testing paragraph with multiple lines. Testing paragraph with multiple lines. Testing pa
+                              ragraph with multiple lines.
+                              6 Testing paragraph with multiple lines.
+                              7 Testing paragraph with multiple lines. Testing paragraph with multiple lines.  89 words
+                              8 Testing paragraph with multiple lines. Testing paragraph with multiple lines.   90 words
+
+                              9 Testing paragraph with multiple lines. Testing paragraph with multiple lines.    91 word
+                              s
+                              10 Testing paragraph with multiple lines. Testing paragraph with multiple lines.    92 wor
+                              ds
+
+
+                              11 Testing paragraph with multiple lines. Testing paragraph with multiple lines. 89 words
+
+
+
+                              12 Testing paragraph with multiple lines. Testing paragraph with multiple lines.  90 words
+
+
+
+
+                              13 Testing paragraph with multiple lines. Testing paragraph with multiple lines.   91 word
+                              s
+
+
+
+                              14 Testing paragraph with multiple lines. Testing paragraph with multiple lines.    92 wor
+                              ds
+
+
+
+
+                              a""";
+                                  
+    String res = makeParagraphAtDepth(paragraph, 30);
+    print(res);
+
+    return paragraph == expectedResult;;
+  });
 
 }