# load the app and data
BHSA = use ("etcbc/BHSA", mod="tonyjurg/BHSaddons/tf/", hoist=globals())

# find all verse nodes for this parasha using its sequence number
parashaQuery = '''
verse parashanum=10
'''
parashaResults = BHSA.search(parashaQuery)

from difflib import SequenceMatcher
from IPython.display import HTML, display

# Function to find and highlight matching parts between two strings
def highlightMatches(baseText, comparisonText):
    matcher = SequenceMatcher(None, baseText, comparisonText)
    highlightedComparisonText = ""
    
    for tag, i1, i2, j1, j2 in matcher.get_opcodes():
        if tag == "equal":  # Identical parts
            highlightedComparisonText += f"<mark>{comparisonText[j1:j2]}</mark>"
        else:  # Non-matching parts
            highlightedComparisonText += comparisonText[j1:j2]
    
    return highlightedComparisonText

# Function to process cross-references and format them into an HTML table
def generateCrossReferencesTable(verseNode):
    """
    Generates an HTML table with cross-references for a single verse node, highlighting identical parts.
    The main verse text will be right-aligned.
    """
    # Get cross-references for the specified verseNode
    crossRefs = Es("crossref").f(verseNode)
    tableContent = ""
    
    # Check if there are any cross-references for this verse
    if crossRefs:
        verseSection = T.sectionFromNode(verseNode)
        mainVerseText = T.text(verseNode)
        linkStepBible = (
            f"<a href=\"https://www.stepbible.org/?q=version=NASB2020%7Creference={verseSection[0]}.{verseSection[1]}:{verseSection[2]}&options=HNVUG\" target=\"_blank\">"
            f"{verseSection[0]} {verseSection[1]}:{verseSection[2]}</a>"
        ) 
        # Right-align the main verse text
        tableContent += f"<h4>Cross-references for {linkStepBible}</h4>"
        tableContent += f"<div style='text-align: right; font-weight: bold;'>{mainVerseText}</div>"
        # Create table header
        tableContent += f"<table border='1' style='border-collapse: collapse; width: 100%;'><tr><th>Reference</th><th>Match</th><th>Text</th></tr>"
        
        # Process each cross-reference and add a row to the table
        for target, confidence in crossRefs:
            targetSection = T.sectionFromNode(target)
            targetText = T.text(target)
            
            targetStepBible = (
                f"<a href=\"https://www.stepbible.org/?q=version=NASB2020%7Creference={targetSection[0]}.{targetSection[1]}:{targetSection[2]}&options=HNVUG\" target=\"_blank\">"
                f"{targetSection[0]} {targetSection[1]}:{targetSection[2]}</a>"
            )     
            # Highlight identical parts in target verse
            highlightedText = highlightMatches(mainVerseText, targetText)
            
            # Add the row for the cross-reference
            tableContent += f"<tr><td>{targetStepBible}</td><td>{confidence}%</td><td>{highlightedText}</td></tr>"
        
        # Close the table
        tableContent += "</table><br>"

    return tableContent

# Initialize HTML content
htmlContent = f"<h2>Lexical parallels for parasha {parashaNameEnglish} ({parashaStart}-{parashaEnd})</h2>"

# Process each verse and generate cross-reference tables
for verse in parashaResults:
    htmlContent += generateCrossReferencesTable(verse[0])

# Save the content to an HTML file
fileName = f"lexical_parallels({parashaNameEnglish.replace(' ','%20')}).html"
with open(fileName, "w", encoding="utf-8") as file:
    file.write(htmlContent)

# Display the HTML content in the notebook
display(HTML(htmlContent))

# wrap html header and footer and display a download button
htmlContentFull = f'{htmlStart}{htmlContent}{htmlFooter}'
downloadButton = f"""
<a download="{fileName}" href="data:text/html;charset=utf-8,{htmlContent.replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;').replace('"', '&quot;').replace("'", '&#39;')}" target="_blank">
    <button>Download Lexical Parallels as HTML</button>
</a>
"""
display(HTML(downloadButton))