PDFFeedbackGenerator.py

import logging
logger = logging.getLogger(__name__)
logger.info("Importing PDFFeedbackGenerator.py...")

from reportlab.lib.pagesizes import A4
from reportlab.pdfgen import canvas
from reportlab.lib.utils import ImageReader
from reportlab.lib.colors import black, yellow, Color
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.lib.styles import ParagraphStyle
from reportlab.platypus import Paragraph
from reportlab.lib.enums import TA_LEFT
import json
import re
import os

def wrap_text(text, max_width, canvas_obj, font_name, font_size):
    """Wrap text for PDF output."""
    words = text.split()
    lines = []
    current_line = ""
    for word in words:
        test_line = f"{current_line} {word}".strip()
        if canvas_obj.stringWidth(test_line, font_name, font_size) <= max_width:
            current_line = test_line
        else:
            lines.append(current_line)
            current_line = word
    if current_line:
        lines.append(current_line)
    return lines

def highlight_examples(text):
    """Extract and format examples from text using quotes or parentheses."""
    examples = []
    # Match text within single quotes
    quote_pattern = r"'([^']+)'"
    examples.extend([f"'{match}'" for match in re.findall(quote_pattern, text)])
    
    # Match text within parentheses
    paren_pattern = r'\(([^)]+)\)'
    examples.extend([f"({match})" for match in re.findall(paren_pattern, text)])
    
    return examples

class PDFFeedbackGenerator:
    def __init__(self, output_path, logo_path):
        logger.info("Initializing PDFFeedbackGenerator...")
        self.output_path = output_path
        self.logo_path = logo_path
        
        # Define colors for text and highlighting
        self.colors = {
            'normal': black,
            'highlight': Color(1, 1, 0, alpha=0.3)  # Semi-transparent yellow for highlighting
        }
        
        # Register and define standard fonts
        self.register_fonts()
        self.fonts = {
            'title': 'Helvetica-Bold',
            'heading': 'Helvetica-Bold',
            'normal': 'Helvetica',
            'quote': 'Helvetica'
        }

    def register_fonts(self):
        """Register the required fonts for the PDF."""
        try:
            # Register the basic Helvetica fonts that come with ReportLab
            pdfmetrics.registerFont(pdfmetrics.Font('Helvetica', 'Helvetica', 'WinAnsiEncoding'))
            pdfmetrics.registerFont(pdfmetrics.Font('Helvetica-Bold', 'Helvetica-Bold', 'WinAnsiEncoding'))
        except Exception as e:
            print(f"Warning: Could not register fonts: {e}")
            # Fallback to basic fonts if registration fails
            self.fonts = {
                'title': 'Helvetica',
                'heading': 'Helvetica',
                'normal': 'Helvetica',
                'quote': 'Helvetica'
            }

    def draw_highlighted_text(self, canvas_obj, text, x, y, font_name, font_size, max_width, page_height=None, margin=None, header_func=None):
        """Draw text with selective highlighting for quotes and parentheses, with page break support."""
        words = text.split()
        current_line = ""
        current_x = x
        y_pos = y
        line_height = font_size * 1.2

        # Find all highlighted segments (text in quotes or parentheses)
        segments = []
        last_end = 0
        pattern = r"'[^']+'|\([^)]+\)"
        for match in re.finditer(pattern, text):
            if last_end < match.start():
                segments.append(('normal', text[last_end:match.start()]))
            segments.append(('highlight', match.group()))
            last_end = match.end()
        if last_end < len(text):
            segments.append(('normal', text[last_end:]))

        for segment_type, segment_text in segments:
            words = segment_text.split()
            for word in words:
                test_line = f"{current_line} {word}".strip()
                test_width = canvas_obj.stringWidth(test_line, font_name, font_size)
                if test_width <= max_width:
                    current_line = test_line
                else:
                    # PAGE BREAK LOGIC
                    if page_height and margin and y_pos - line_height < margin:
                        canvas_obj.showPage()
                        if header_func:
                            y_pos = header_func(canvas_obj)
                        else:
                            y_pos = page_height - margin
                        current_x = x
                    # Draw the current line with proper highlighting
                    if current_line:
                        if segment_type == 'highlight':
                            text_width = canvas_obj.stringWidth(current_line, font_name, font_size)
                            canvas_obj.setFillColor(self.colors['highlight'])
                            canvas_obj.rect(current_x, y_pos - font_size + 2, text_width, font_size, fill=1, stroke=0)
                            canvas_obj.setFillColor(self.colors['normal'])
                        canvas_obj.drawString(current_x, y_pos, current_line)
                        y_pos -= line_height
                        current_x = x
                        current_line = word
                    else:
                        current_line = word
        # Draw the last line if any
        if current_line:
            if page_height and margin and y_pos - line_height < margin:
                canvas_obj.showPage()
                if header_func:
                    y_pos = header_func(canvas_obj)
                else:
                    y_pos = page_height - margin
                current_x = x
            if segment_type == 'highlight':
                text_width = canvas_obj.stringWidth(current_line, font_name, font_size)
                canvas_obj.setFillColor(self.colors['highlight'])
                canvas_obj.rect(current_x, y_pos - font_size + 2, text_width, font_size, fill=1, stroke=0)
                canvas_obj.setFillColor(self.colors['normal'])
            canvas_obj.drawString(current_x, y_pos, current_line)
            y_pos -= line_height
        return y_pos

    def draw_color_scheme_legend(self, canvas_obj, x, y):
        """Removed color scheme legend as per new requirements"""
        pass

    def draw_rephrased_section(self, canvas_obj, text_analysis, x_pos, y_pos, max_width):
        """Draw the rephrased text section with highlights for mistakes and synonyms."""
        original_y = y_pos
        
        # Section Title
        canvas_obj.setFont(self.fonts['heading'], 14)
        canvas_obj.setFillColor(self.colors['normal'])
        canvas_obj.drawString(x_pos, y_pos, "Rephrased Text")
        y_pos -= 25

        # Draw rephrased text
        canvas_obj.setFont(self.fonts['normal'], 12)
        y_pos = self.draw_highlighted_text(
            canvas_obj,
            text_analysis['rephrased_text'],
            x_pos,
            y_pos,
            self.fonts['normal'],
            12,
            max_width
        )
        y_pos -= 20

        # Grammar Mistakes Section
        canvas_obj.setFont(self.fonts['heading'], 12)
        canvas_obj.setFillColor(self.colors['normal'])
        canvas_obj.drawString(x_pos, y_pos, "Grammar Corrections:")
        y_pos -= 20

        canvas_obj.setFont(self.fonts['normal'], 11)
        for mistake in text_analysis['grammar_mistakes']:
            text = f"• '{mistake['original']}' → '{mistake['correction']}'"
            y_pos = self.draw_highlighted_text(
                canvas_obj,
                text,
                x_pos + 15,
                y_pos,
                self.fonts['normal'],
                11,
                max_width - 20
            )
        y_pos -= 15

        # Synonyms Section
        canvas_obj.setFont(self.fonts['heading'], 12)
        canvas_obj.setFillColor(self.colors['normal'])
        canvas_obj.drawString(x_pos, y_pos, "Suggested Synonyms:")
        y_pos -= 20

        canvas_obj.setFont(self.fonts['normal'], 11)
        for syn in text_analysis['synonyms']:
            text = f"• '{syn['original']}' → {', '.join(syn['suggestions'])}"
            y_pos = self.draw_highlighted_text(
                canvas_obj,
                text,
                x_pos + 15,
                y_pos,
                self.fonts['normal'],
                11,
                max_width - 20
            )
        
        return y_pos

    def draw_section_header(self, canvas_obj, text, x, y, font_name, font_size):
        """Draw a section header with improved styling."""
        canvas_obj.setFont(font_name, font_size)
        canvas_obj.setFillColor(self.colors['normal'])
        # Draw the header text
        canvas_obj.drawString(x, y, text)
        # Draw a decorative line under the header
        text_width = canvas_obj.stringWidth(text, font_name, font_size)
        canvas_obj.setLineWidth(1.5)
        canvas_obj.line(x, y - 3, x + text_width, y - 3)
        canvas_obj.setLineWidth(1)
        return y - font_size - 20  # Increased spacing after header

    def draw_quote(self, canvas_obj, text, x, y, max_width, font_name, font_size):
        """Draw a quote with professional styling."""
        # Draw quote background
        canvas_obj.setFillColor(Color(0.95, 0.97, 1.0))
        quote_height = font_size * 3  # Approximate height for quote
        canvas_obj.rect(x - 5, y - quote_height, max_width + 10, quote_height, fill=1, stroke=0)
        
        # Draw quote text
        canvas_obj.setFont(font_name, font_size)
        canvas_obj.setFillColor(self.colors['normal'])
        y_pos = self.draw_highlighted_text(canvas_obj, f'"{text}"', x, y, font_name, font_size, max_width)
        
        # Draw quote decoration
        canvas_obj.setStrokeColor(Color(0.4, 0.6, 0.8))
        # Save current line width
        current_line_width = canvas_obj._lineWidth
        # Set new line width for quote decoration
        canvas_obj.setLineWidth(2)
        canvas_obj.line(x - 5, y - quote_height/2, x - 5, y - 5)
        # Restore original line width
        canvas_obj.setLineWidth(current_line_width)
        
        return y_pos - 10

    def draw_feedback_item(self, canvas_obj, text, x, y, max_width, font_name, font_size, indent=0):
        """Draw a feedback item with improved formatting and alignment."""
        bullet = "•"
        if indent > 0:
            x += indent
            bullet = "◦"
        
        # Draw the bullet point with proper spacing
        canvas_obj.setFont(font_name, font_size)
        canvas_obj.drawString(x, y, bullet)
        
        # Draw the text with improved indentation and alignment
        text_x = x + canvas_obj.stringWidth(bullet + " ", font_name, font_size)
        y_pos = self.draw_highlighted_text(
            canvas_obj,
            text,
            text_x,
            y,
            font_name,
            font_size,
            max_width - (text_x - x)
        )
        
        return y_pos - 5  # Add small spacing between items

    def draw_boxed_section(self, canvas_obj, x, y, width, height, fill_color=Color(0.97, 0.97, 0.97), stroke_color=Color(0.8, 0.8, 0.8)):
        """Draw a box (card) for a section."""
        canvas_obj.saveState()
        # Draw the box
        canvas_obj.setFillColor(fill_color)
        canvas_obj.setStrokeColor(stroke_color)
        canvas_obj.setLineWidth(1)
        canvas_obj.roundRect(x, y - height, width, height, 8, fill=1, stroke=1)
        
        # Set up clipping using a path
        p = canvas_obj.beginPath()
        p.roundRect(x, y - height, width, height, 8)
        canvas_obj.clipPath(p, stroke=0, fill=0)
        canvas_obj.restoreState()

    def create_rephrased_pdf(self, user_name, question, rephrased_analysis):
        """Generate PDF report for rephrased text with professional formatting and layout (matching feedback PDF style)."""
        try:
            c = canvas.Canvas(self.output_path, pagesize=A4)
            width, height = A4
            margin = 50  # Match feedback PDF margin
            line_height = 14
            section_spacing = 20
            max_width = width - 2 * margin
            page_number = 1

            def draw_header(canvas_obj, is_first_page=False):
                nonlocal y_position
                canvas_obj.setFillColor(self.colors['normal'])
                # Page number
                canvas_obj.setFont(self.fonts['normal'], 9)
                page_text = f"Page {page_number}"
                page_width = canvas_obj.stringWidth(page_text, self.fonts['normal'], 9)
                canvas_obj.drawString(width - margin - page_width, height - 25, page_text)
                if is_first_page:
                    # Logo
                    if os.path.exists(self.logo_path):
                        try:
                            logo = ImageReader(self.logo_path)
                            logo_width = 60
                            logo_height = 60
                            canvas_obj.drawImage(logo, margin, height - 80, width=logo_width, height=logo_height, mask='auto')
                        except Exception as e:
                            print(f"Logo loading error: {e}")
                    # Title
                    canvas_obj.setFont(self.fonts['title'], 20)
                    title_text = "CSS Essay Rephrased Text Report"
                    title_width = canvas_obj.stringWidth(title_text, self.fonts['title'], 20)
                    canvas_obj.drawString(margin + 80, height - 80, title_text)
                    canvas_obj.setStrokeColor(self.colors['normal'])
                    canvas_obj.setLineWidth(1.5)
                    canvas_obj.line(margin + 80, height - 85, margin + 80 + title_width, height - 85)
                    canvas_obj.setLineWidth(1)
                    # Student name
                    y_position = height - 120
                    canvas_obj.setFont(self.fonts['heading'], 14)
                    canvas_obj.drawString(margin, y_position, f"Student Name: {user_name}")
                else:
                    y_position = height - margin
                return y_position

            def check_new_page(y_pos, required_space):
                nonlocal y_position, page_number
                if y_pos - required_space < margin + 40:
                    c.showPage()
                    page_number += 1
                    y_position = draw_header(c, False)
                    return True
                return False

            # Draw first page header
            y_position = draw_header(c, True)

            # Rephrased Text Section
            y_position -= section_spacing
            y_position = self.draw_section_header(c, "Rephrased Text", margin, y_position, self.fonts['heading'], 16)
            y_position -= 5
            c.setFont(self.fonts['normal'], 12)
            y_position = self.draw_highlighted_text(
                c,
                rephrased_analysis['rephrased_text'],
                margin,
                y_position,
                self.fonts['normal'],
                12,
                max_width - margin,
                page_height=height,
                margin=margin,
                header_func=lambda canv: draw_header(canv, False)
            )
            y_position -= section_spacing

            # Grammar Corrections Section
            c.setFont(self.fonts['heading'], 12)
            c.drawString(margin, y_position, "Grammar Corrections:")
            y_position -= line_height
            c.setFont(self.fonts['normal'], 10)
            for mistake in rephrased_analysis['grammar_mistakes']:
                text = f"• '{mistake['original']}' → '{mistake['correction']}'"
                y_position = self.draw_highlighted_text(
                    c, text, margin + 15, y_position, self.fonts['normal'], 10, max_width - 20,
                    page_height=height, margin=margin, header_func=lambda canv: draw_header(canv, False)
                )
            y_position -= section_spacing

            # Synonyms Section
            c.setFont(self.fonts['heading'], 12)
            c.drawString(margin, y_position, "Suggested Synonyms:")
            y_position -= line_height
            c.setFont(self.fonts['normal'], 10)
            for syn in rephrased_analysis['synonyms']:
                text = f"• '{syn['original']}' → {', '.join(syn['suggestions'])}"
                y_position = self.draw_highlighted_text(
                    c, text, margin + 15, y_position, self.fonts['normal'], 10, max_width - 20,
                    page_height=height, margin=margin, header_func=lambda canv: draw_header(canv, False)
                )
            c.save()
            return True
        except Exception as e:
            print(f"Error generating Rephrased PDF: {str(e)}")
            raise

    def create_feedback_pdf(self, user_name, question, feedback):
        """Generate PDF report with the new AI Evaluation & Score structure."""
        try:
            c = canvas.Canvas(self.output_path, pagesize=A4)
            width, height = A4
            margin = 50
            line_height = 14
            section_spacing = 20
            max_width = width - 2 * margin
            page_number = 1

            def draw_header(canvas_obj, is_first_page=False):
                nonlocal y_position
                canvas_obj.setFillColor(self.colors['normal'])
                # Page number
                canvas_obj.setFont(self.fonts['normal'], 9)
                page_text = f"Page {page_number}"
                page_width = canvas_obj.stringWidth(page_text, self.fonts['normal'], 9)
                canvas_obj.drawString(width - margin - page_width, height - 25, page_text)
                if is_first_page:
                    # Logo
                    if os.path.exists(self.logo_path):
                        try:
                            logo = ImageReader(self.logo_path)
                            logo_width = 60
                            logo_height = 60
                            canvas_obj.drawImage(logo, margin, height - 80, width=logo_width, height=logo_height, mask='auto')
                        except Exception as e:
                            print(f"Logo loading error: {e}")
                    # Title
                    canvas_obj.setFont(self.fonts['title'], 20)
                    title_text = "AI Evaluation & Score Report"
                    title_width = canvas_obj.stringWidth(title_text, self.fonts['title'], 20)
                    canvas_obj.drawString(margin + 80, height - 80, title_text)
                    canvas_obj.setStrokeColor(self.colors['normal'])
                    canvas_obj.setLineWidth(1.5)
                    canvas_obj.line(margin + 80, height - 85, margin + 80 + title_width, height - 85)
                    canvas_obj.setLineWidth(1)
                    # Overall Score
                    overall_score = feedback.get('overall_score', 40)
                    canvas_obj.setFont(self.fonts['title'], 22)
                    canvas_obj.setFillColor(Color(0.16, 0.52, 0.96))
                    score_text = f"Overall Essay Evaluation: {overall_score}%"
                    canvas_obj.drawString(margin, height - 110, score_text)
                    canvas_obj.setFillColor(self.colors['normal'])
                    # Student name
                    y_position = height - 140
                    canvas_obj.setFont(self.fonts['heading'], 14)
                    canvas_obj.drawString(margin, y_position, f"Student Name: {user_name}")
                else:
                    y_position = height - margin
                return y_position

            def check_new_page(y_pos, required_space):
                nonlocal y_position, page_number
                if y_pos - required_space < margin + 40:
                    c.showPage()
                    page_number += 1
                    y_position = draw_header(c, False)
                    return True
                return False

            # Draw first page header
            y_position = draw_header(c, True)

            # Draw Essay Structure section after overall score
            essay_structure = feedback.get('essay_structure', {})
            y_position -= 30
            c.setFont(self.fonts['heading'], 15)
            c.drawString(margin, y_position, 'Essay Structure')
            y_position -= 20
            for section, criteria in essay_structure.items():
                c.setFont(self.fonts['heading'], 13)
                c.drawString(margin, y_position, section)
                y_position -= 16
                for crit, result in criteria.items():
                    passed = result.get('value', False)
                    explanation = result.get('explanation', '')
                    icon = '✔' if passed else '✘'
                    color = Color(0.16, 0.7, 0.3) if passed else Color(0.9, 0.2, 0.2)
                    c.setFont(self.fonts['normal'], 11)
                    c.setFillColor(color)
                    c.drawString(margin + 15, y_position, f'{icon} {crit}')
                    y_position -= 14
                    if not passed and explanation:
                        c.setFont(self.fonts['normal'], 10)
                        c.setFillColor(Color(0.9, 0.2, 0.2))
                        c.drawString(margin + 35, y_position, explanation)
                        y_position -= 13
                    c.setFillColor(self.colors['normal'])
                y_position -= 8

            # Process each feedback section (AI Evaluation & Score)
            for section in feedback["sections"]:
                if check_new_page(y_position, section_spacing + 80):
                    pass
                else:
                    y_position -= section_spacing

                # Draw section header
                c.setFont(self.fonts['heading'], 14)
                c.setFillColor(self.colors['normal'])
                heading_text = section['name']
                c.drawString(margin, y_position, heading_text)
                text_width = c.stringWidth(heading_text, self.fonts['heading'], 14)
                c.setLineWidth(1.5)
                c.line(margin, y_position - 3, margin + text_width, y_position - 3)
                c.setLineWidth(1)
                # Draw score as percentage
                c.setFont(self.fonts['normal'], 12)
                c.drawString(margin + text_width + 20, y_position, f"Score: {section.get('score', 0)}%")
                y_position -= line_height + 8

                # Draw number of issues
                num_issues = len(section.get('issues', []))
                c.setFont(self.fonts['normal'], 11)
                c.drawString(margin, y_position, f"{num_issues} Issue{'s' if num_issues != 1 else ''}")
                y_position -= line_height

                # Draw issues (before/after)
                for issue in section.get('issues', []):
                    before = issue.get('before', '')
                    after = issue.get('after', '')
                    c.setFont(self.fonts['normal'], 11)
                    c.setFillColor(Color(0.9, 0.4, 0.4))
                    c.drawString(margin + 15, y_position, f"Before: {before}")
                    y_position -= line_height
                    c.setFillColor(Color(0.3, 0.6, 0.3))
                    c.drawString(margin + 15, y_position, f"After: {after}")
                    y_position -= line_height + 2
                    c.setFillColor(self.colors['normal'])
                y_position -= 8
            c.save()
            return True
        except Exception as e:
            print(f"Error generating Feedback PDF: {str(e)}")
            raise

    def wrap_text(self, text, max_width, canvas_obj, font_name, font_size):
        """Wrap text with error handling"""
        try:
            words = text.split()
            lines = []
            current_line = ""
            
            for word in words:
                test_line = f"{current_line} {word}".strip()
                if canvas_obj.stringWidth(test_line, font_name, font_size) <= max_width:
                    current_line = test_line
                else:
                    lines.append(current_line)
                    current_line = word
                    
            if current_line:
                lines.append(current_line)
                
            return lines
        except Exception as e:
            print(f"Warning: Error in text wrapping. Using basic wrap. Error: {e}")
            # Fallback to basic wrapping
            return [text[i:i+100] for i in range(0, len(text), 100)]

    def draw_justified_text(self, canvas_obj, text, x, y, font_name, font_size, max_width):
        """Draw justified text (left and right aligned) for PDF feedback items."""
        words = text.split()
        lines = []
        current_line = []
        current_width = 0
        space_width = canvas_obj.stringWidth(' ', font_name, font_size)
        for word in words:
            word_width = canvas_obj.stringWidth(word, font_name, font_size)
            if current_width + word_width + (len(current_line) * space_width) <= max_width:
                current_line.append(word)
                current_width += word_width
            else:
                lines.append(current_line)
                current_line = [word]
                current_width = word_width
        if current_line:
            lines.append(current_line)
        line_height = font_size * 1.2
        y_pos = y
        for i, line_words in enumerate(lines):
            if len(line_words) == 1 or i == len(lines) - 1:
                # Last line or single word: left align
                canvas_obj.drawString(x, y_pos, ' '.join(line_words))
            else:
                total_words_width = sum(canvas_obj.stringWidth(w, font_name, font_size) for w in line_words)
                total_spaces = len(line_words) - 1
                if total_spaces > 0:
                    space = (max_width - total_words_width) / total_spaces
                else:
                    space = space_width
                x_pos = x
                for j, word in enumerate(line_words):
                    canvas_obj.drawString(x_pos, y_pos, word)
                    word_width = canvas_obj.stringWidth(word, font_name, font_size)
                    x_pos += word_width
                    if j < len(line_words) - 1:
                        x_pos += space
            y_pos -= line_height
        return y_pos

    def create_unlimited_feedback_pdf(self, user_name, question, unlimited_analysis):
        """
        Create a comprehensive PDF report for unlimited text analysis with line-by-line feedback.
        """
        try:
            # Create the PDF file
            canvas_obj = canvas.Canvas(self.output_path, pagesize=A4)
            page_width, page_height = A4
            margin = 50
            max_width = page_width - 2 * margin
            
            def draw_header(canvas_obj, is_first_page=False):
                """Draw the header for each page."""
                y_pos = page_height - margin
                
                # Logo (only on first page)
                if is_first_page and os.path.exists(self.logo_path):
                    try:
                        logo = ImageReader(self.logo_path)
                        logo_width, logo_height = logo.getSize()
                        # Scale logo to fit
                        scale = min(100 / logo_width, 50 / logo_height)
                        canvas_obj.drawImage(self.logo_path, margin, y_pos - 50, 
                                           logo_width * scale, logo_height * scale)
                    except Exception as e:
                        logger.warning(f"Could not add logo: {e}")
                
                # Title
                canvas_obj.setFont(self.fonts['title'], 16)
                canvas_obj.setFillColor(self.colors['normal'])
                title = "Unlimited Essay Analysis Report"
                canvas_obj.drawString(margin, y_pos - 30, title)
                
                # Subtitle
                canvas_obj.setFont(self.fonts['normal'], 12)
                canvas_obj.drawString(margin, y_pos - 50, f"Student: {user_name}")
                canvas_obj.drawString(margin, y_pos - 65, f"Question: {question}")
                
                # Processing info
                processing_meta = unlimited_analysis.get('processing_metadata', {})
                info_text = f"Lines: {processing_meta.get('total_lines', 0)} | Words: {processing_meta.get('total_tokens', 0) * 4} | Processing: {processing_meta.get('processing_mode', 'unknown')}"
                canvas_obj.setFont(self.fonts['normal'], 10)
                canvas_obj.drawString(margin, y_pos - 80, info_text)
                
                return y_pos - 100  # Return starting y position for content
            
            def check_new_page(y_pos, required_space):
                """Check if we need a new page and create one if necessary."""
                if y_pos - required_space < margin:
                    canvas_obj.showPage()
                    return draw_header(canvas_obj, is_first_page=False)
                return y_pos
            
            # Start with header
            y_pos = draw_header(canvas_obj, is_first_page=True)
            
            # Overall Analysis Section
            overall_analysis = unlimited_analysis.get('overall_analysis', {})
            if overall_analysis and 'error' not in overall_analysis:
                y_pos = check_new_page(y_pos, 200)
                
                # Overall Score
                canvas_obj.setFont(self.fonts['heading'], 14)
                canvas_obj.setFillColor(self.colors['normal'])
                canvas_obj.drawString(margin, y_pos, "Overall Analysis")
                y_pos -= 25
                
                canvas_obj.setFont(self.fonts['normal'], 12)
                overall_score = overall_analysis.get('overall_score', 0)
                canvas_obj.drawString(margin, y_pos, f"Overall Score: {overall_score}/100")
                y_pos -= 20
                
                # Category Scores
                category_scores = overall_analysis.get('category_scores', {})
                if category_scores:
                    canvas_obj.setFont(self.fonts['heading'], 12)
                    canvas_obj.drawString(margin, y_pos, "Category Scores:")
                    y_pos -= 20
                    
                    canvas_obj.setFont(self.fonts['normal'], 10)
                    for category, score in category_scores.items():
                        category_name = category.replace('_', ' ').title()
                        canvas_obj.drawString(margin + 20, y_pos, f"{category_name}: {score}/100")
                        y_pos -= 15
                
                y_pos -= 20
            
            # Summary Statistics Section
            summary_stats = unlimited_analysis.get('summary_statistics', {})
            if summary_stats and 'error' not in summary_stats:
                y_pos = check_new_page(y_pos, 150)
                
                canvas_obj.setFont(self.fonts['heading'], 14)
                canvas_obj.setFillColor(self.colors['normal'])
                canvas_obj.drawString(margin, y_pos, "Summary Statistics")
                y_pos -= 25
                
                canvas_obj.setFont(self.fonts['normal'], 10)
                stats = [
                    f"Total Lines: {summary_stats.get('total_lines', 0)}",
                    f"Non-empty Lines: {summary_stats.get('non_empty_lines', 0)}",
                    f"Lines with Issues: {summary_stats.get('lines_with_issues', 0)}",
                    f"Average Score: {summary_stats.get('average_score', 0)}"
                ]
                
                for stat in stats:
                    canvas_obj.drawString(margin, y_pos, stat)
                    y_pos -= 15
                
                y_pos -= 20
            
            # Line-by-Line Analysis Section
            line_analyses = unlimited_analysis.get('line_by_line_analysis', [])
            if line_analyses:
                y_pos = check_new_page(y_pos, 100)
                
                canvas_obj.setFont(self.fonts['heading'], 14)
                canvas_obj.setFillColor(self.colors['normal'])
                canvas_obj.drawString(margin, y_pos, "Line-by-Line Analysis")
                y_pos -= 25
                
                # Process each line analysis
                for line_analysis in line_analyses:
                    line_number = line_analysis.get('line_number', 0)
                    line_content = line_analysis.get('line_content', '')
                    line_type = line_analysis.get('line_type', 'unknown')
                    score = line_analysis.get('score', 0)
                    analysis = line_analysis.get('analysis', '')
                    
                    # Check if we need a new page
                    required_space = 100  # Estimate space needed
                    y_pos = check_new_page(y_pos, required_space)
                    
                    # Line header
                    canvas_obj.setFont(self.fonts['heading'], 11)
                    canvas_obj.setFillColor(self.colors['normal'])
                    header_text = f"Line {line_number} ({line_type}) - Score: {score}/100"
                    canvas_obj.drawString(margin, y_pos, header_text)
                    y_pos -= 20
                    
                    # Line content
                    canvas_obj.setFont(self.fonts['normal'], 10)
                    if line_content.strip():
                        # Wrap and draw line content
                        wrapped_content = self.wrap_text(line_content, max_width - 20, canvas_obj, self.fonts['normal'], 10)
                        for line in wrapped_content:
                            canvas_obj.drawString(margin + 10, y_pos, line)
                            y_pos -= 15
                        y_pos -= 5
                    
                    # Analysis
                    if analysis and analysis.strip():
                        canvas_obj.setFont(self.fonts['normal'], 9)
                        wrapped_analysis = self.wrap_text(analysis, max_width - 20, canvas_obj, self.fonts['normal'], 9)
                        for line in wrapped_analysis:
                            canvas_obj.drawString(margin + 10, y_pos, line)
                            y_pos -= 12
                    
                    # Issues
                    issues = line_analysis.get('issues', [])
                    if issues:
                        y_pos -= 5
                        canvas_obj.setFont(self.fonts['heading'], 9)
                        canvas_obj.drawString(margin + 10, y_pos, "Issues:")
                        y_pos -= 15
                        
                        canvas_obj.setFont(self.fonts['normal'], 8)
                        for issue in issues[:3]:  # Limit to first 3 issues per line
                            issue_text = f"• {issue.get('description', 'Issue')}"
                            wrapped_issue = self.wrap_text(issue_text, max_width - 30, canvas_obj, self.fonts['normal'], 8)
                            for line in wrapped_issue:
                                canvas_obj.drawString(margin + 20, y_pos, line)
                                y_pos -= 10
                    
                    y_pos -= 10  # Space between lines
            
            # Recommendations Section
            recommendations = unlimited_analysis.get('recommendations', [])
            if recommendations:
                y_pos = check_new_page(y_pos, 100)
                
                canvas_obj.setFont(self.fonts['heading'], 14)
                canvas_obj.setFillColor(self.colors['normal'])
                canvas_obj.drawString(margin, y_pos, "Recommendations")
                y_pos -= 25
                
                canvas_obj.setFont(self.fonts['normal'], 10)
                for i, recommendation in enumerate(recommendations[:10], 1):  # Limit to first 10 recommendations
                    wrapped_rec = self.wrap_text(f"{i}. {recommendation}", max_width - 20, canvas_obj, self.fonts['normal'], 10)
                    for line in wrapped_rec:
                        canvas_obj.drawString(margin, y_pos, line)
                        y_pos -= 15
                    y_pos -= 5
            
            # Save the PDF
            canvas_obj.save()
            logger.info(f"Unlimited feedback PDF created: {self.output_path}")
            return self.output_path
            
        except Exception as e:
            logger.error(f"Error creating unlimited feedback PDF: {str(e)}")
            raise Exception(f"PDF generation failed: {str(e)}")

# Example Usage
if __name__ == "__main__":
    # Example feedback structure with the new format
    feedback_data = {
        "sections": [
            {
                "name": "Relevance & Argumentation",
                "strengths": [
                    "Clear thesis statement addressing the main topic",
                    "Well-supported arguments with relevant examples",
                    "Logical flow of ideas throughout the essay"
                ],
                "improvements": [
                    "Could include more counterarguments",
                    "Some points need stronger evidence",
                    "Consider addressing opposing viewpoints"
                ],
                "suggestions": [
                    "Research and include at least two counterarguments",
                    "Add more specific examples to support key points",
                    "Strengthen the conclusion with a call to action"
                ],
                "example_quote": "The essay demonstrates a clear understanding of the topic with the statement: 'Climate change is primarily driven by human activities...'"
            },
            # ... similar structure for other sections ...
        ]
    }

    generator = PDFFeedbackGenerator(
        output_path="feedback_report.pdf",
        logo_path="logo.png"
    )
    generator.create_feedback_pdf(
        user_name="Jane Smith",
        question="Discuss the main anthropogenic factors contributing to climate change and propose feasible solutions.",
        feedback=feedback_data
    )