#!/usr/bin/env python
# coding: utf-8

# # Missing verses (N1904LFT)

# ## Table of content <a class="anchor" id="TOC"></a>
# * <a href="#bullet1">1 - Introduction</a>
# * <a href="#bullet2">2 - Load Text-Fabric app and data</a>
# * <a href="#bullet3">3 - Identifying the holes ('missing' verses) </a>

# # 1 - Introduction <a class="anchor" id="bullet1"></a>
# ##### [Back to TOC](#TOC)
# 
# When using verse numbers inside a script, it is not save to assume verse number within a chapter are sequential without gaps. The folling script will produce a list of 'missing' verses.

# # 2 - Load Text-Fabric app and data <a class="anchor" id="bullet2"></a>
# ##### [Back to TOC](#TOC)

# In[1]:


get_ipython().run_line_magic('load_ext', 'autoreload')
get_ipython().run_line_magic('autoreload', '2')


# In[2]:


# Loading the Text-Fabric code
# Note: it is assumed Text-Fabric is installed in your environment
from tf.fabric import Fabric
from tf.app import use


# In[3]:


# load the N1904 app and data
N1904 = use ("tonyjurg/Nestle1904LFT", version="0.6", hoist=globals())


# # 3 - Identifying the holes ('missing' verses) <a class="anchor" id="bullet3"></a>
# ##### [Back to TOC](#TOC)

# In[33]:


# Initialize variables for tracking the previous verse and node
previousVerse = 1
previousNode = 0  # Start with a dummy value for the previous node

# Iterate over all verse nodes in the dataset
for verseNode in F.otype.s('verse'):
    # Retrieve the verse number for the current node
    ThisVerse = F.verse.v(verseNode)

    # Check if the current verse is different from the previous one
    if ThisVerse != previousVerse:
        # Check for a gap in verse numbering that is not at the start
        if ThisVerse != previousVerse + 1 and ThisVerse != 1:
            # Calculate the size of the gap and print details
            print(f'Hole of {ThisVerse - previousVerse - 1} verse(s) between {T.sectionFromNode(previousNode)} and {T.sectionFromNode(verseNode)}')

        # Update the previous verse and node to the current ones
        previousVerse = ThisVerse
        previousNode = verseNode


# In[ ]: