# WYSIWYG Block Migration Status

## Overview
This document tracks the progress of migrating all WYSIWYG blocks to the new block handler architecture.

## Migration Progress

### ✅ Phase 1: Architecture Foundation
- Created block handler base classes and interfaces
- Created block registry system  
- Created common block styles and utilities

### ✅ Phase 2: Divider Block
- Simple non-editable block as proof of concept
- See `phase2-summary.md` for details

### ✅ Phase 3: Paragraph Block
- First text block with full editing capabilities
- Established patterns for text selection, cursor tracking, and content splitting
- See commit history for implementation details

### ✅ Phase 4: Heading Blocks
- All three heading levels (h1, h2, h3) using unified handler
- See `phase4-summary.md` for details

### ✅ Phase 5: Other Text Blocks
- [x] Quote block - Completed with custom styling
- [x] Code block - Completed with syntax highlighting, line numbers, and copy button
- [x] List block - Completed with bullet and numbered list support

### 🔄 Phase 6: Media Blocks (In Progress)
- [x] Image block - Completed with click upload, drag-drop, and base64 encoding
- [x] YouTube block - Completed with URL parsing and video embedding
- [ ] Attachment block

### 📋 Phase 7: Content Blocks (Planned)
- [ ] Markdown block
- [ ] HTML block

## Block Handler Status

| Block Type | Handler Created | Registered | Tested | Notes |
|------------|----------------|------------|---------|-------|
| divider | ✅ | ✅ | ✅ | Complete |
| paragraph | ✅ | ✅ | ✅ | Complete |
| heading-1 | ✅ | ✅ | ✅ | Using HeadingBlockHandler |
| heading-2 | ✅ | ✅ | ✅ | Using HeadingBlockHandler |
| heading-3 | ✅ | ✅ | ✅ | Using HeadingBlockHandler |
| quote | ✅ | ✅ | ✅ | Complete with custom styling |
| code | ✅ | ✅ | ✅ | Complete with highlighting, line numbers, copy |
| list | ✅ | ✅ | ✅ | Complete with bullet/numbered support |
| image | ✅ | ✅ | ✅ | Complete with upload, drag-drop support |
| youtube | ✅ | ✅ | ✅ | Complete with URL parsing, video embedding |
| attachment | ❌ | ❌ | ❌ | Phase 6 |
| markdown | ❌ | ❌ | ❌ | Phase 7 |
| html | ❌ | ❌ | ❌ | Phase 7 |

## Files Modified During Migration

### Core Architecture Files
- `blocks/block.base.ts` - Base handler interface and class
- `blocks/block.registry.ts` - Registry for handlers
- `blocks/block.styles.ts` - Common styles
- `blocks/index.ts` - Main exports
- `wysiwyg.blockregistration.ts` - Registration of all handlers

### Handler Files Created
- `blocks/content/divider.block.ts`
- `blocks/text/paragraph.block.ts`
- `blocks/text/heading.block.ts`
- `blocks/text/quote.block.ts`
- `blocks/text/code.block.ts`
- `blocks/text/list.block.ts`
- `blocks/media/image.block.ts`
- `blocks/media/youtube.block.ts`

### Main Component Updates
- `dees-wysiwyg-block.ts` - Updated to use registry pattern

## Next Steps
1. Begin Phase 6: Media blocks migration
   - Start with image block (most common media type)
   - Implement YouTube block for video embedding
   - Create attachment block for file uploads
2. Follow established patterns from existing handlers
3. Test thoroughly after each migration
4. Update documentation as blocks are completed