#!/usr/bin/env python3
"""
Edit ECE501 PPTX slides to apply all requested changes.
Uses direct string replacement on the unpacked XML.
"""

import os
import re

SLIDES_DIR = "/home/daytona/workspace/ece501-pptx/unpacked/ppt/slides"

def read_slide(n):
    with open(f"{SLIDES_DIR}/slide{n}.xml", "r", encoding="utf-8") as f:
        return f.read()

def write_slide(n, content):
    with open(f"{SLIDES_DIR}/slide{n}.xml", "w", encoding="utf-8") as f:
        f.write(content)

def text_run(text, bold=False, italic=False, color="333333", size=1400, font="Calibri"):
    b_attr = ' b="1"' if bold else ''
    i_attr = ' i="1"' if italic else ''
    return (
        f'<a:r><a:rPr lang="en-AU" sz="{size}"{b_attr}{i_attr} dirty="0">'
        f'<a:solidFill><a:srgbClr val="{color}"/></a:solidFill>'
        f'<a:latin typeface="{font}" pitchFamily="34" charset="0"/>'
        f'<a:ea typeface="{font}" pitchFamily="34" charset="-122"/>'
        f'<a:cs typeface="{font}" pitchFamily="34" charset="-120"/>'
        f'</a:rPr><a:t>{text}</a:t></a:r>'
    )

def para(runs_xml, indent=0, bullet=False):
    bullet_xml = '<a:buNone/>' if not bullet else ''
    return f'<a:p><a:pPr indent="0" marL="{indent}"><{bullet_xml}></a:pPr>{runs_xml}<a:endParaRPr lang="en-AU" dirty="0"/></a:p>'

# ============================================================
# CHANGE 1: Slide 6 — Add Chronosystem to Bronfenbrenner slide
# ============================================================
print("Change 1: Adding Chronosystem to Slide 6 (Bronfenbrenner)...")
s6 = read_slide(6)

# Find "Key insight for Harry:" paragraph and add Chronosystem before it
# The key insight text starts with: "Harry's behaviour is shaped by multiple"
# We need to insert a new text box OR add Chronosystem into the existing theory description area

# Look at current content - we need to add Chronosystem after Macrosystem bullet
# and update the Key Insight text to include the new sentence.

# The key insight currently ends with: "children&#x2019;s emotional and behavioural outcomes."
# We need to add: "At age four, Harry is still developing emotional regulation skills, 
# and recent transitions or changes in routine may increase his need for reassurance."

# Find and replace the key insight ending
old_key_insight_end = "children&#x2019;s emotional and behavioural outcomes."
new_key_insight_end = "children&#x2019;s emotional and behavioural outcomes. At age four, Harry is still developing emotional regulation skills, and recent transitions or changes in routine may increase his need for reassurance."

if old_key_insight_end in s6:
    s6 = s6.replace(old_key_insight_end, new_key_insight_end)
    print("  - Updated Key insight text in Slide 6")
else:
    # Try without entity
    old_key_insight_end2 = "children\u2019s emotional and behavioural outcomes."
    new_key_insight_end2 = "children\u2019s emotional and behavioural outcomes. At age four, Harry is still developing emotional regulation skills, and recent transitions or changes in routine may increase his need for reassurance."
    if old_key_insight_end2 in s6:
        s6 = s6.replace(old_key_insight_end2, new_key_insight_end2)
        print("  - Updated Key insight text in Slide 6 (unicode)")
    else:
        print("  WARNING: Could not find key insight end in slide 6")
        # dump what we have
        idx = s6.find("behavioural outcomes")
        if idx > 0:
            print(f"  Context: ...{s6[idx-50:idx+100]}...")

# Now add Chronosystem — find Macrosystem text and add after it
# "Broad cultural attitudes to emotional expression, discipline, and the educator&#x2019;s professional role."
old_macro = "Broad cultural attitudes to emotional expression, discipline, and the educator&#x2019;s professional role."
new_macro_plus_chrono = """Broad cultural attitudes to emotional expression, discipline, and the educator&#x2019;s professional role.</a:t></a:r><a:endParaRPr lang="en-AU" dirty="0"/></a:p></p:txBody></p:sp>"""

# This approach is fragile - let's instead find the Macrosystem label text and the description, 
# then add Chronosystem as new text run after the Macrosystem description paragraph
# Strategy: find the macrosystem description text node and append after its closing </a:p>

macro_desc = "Broad cultural attitudes to emotional expression, discipline, and the educator"
if macro_desc in s6:
    # Find end of the paragraph containing this text
    idx = s6.find(macro_desc)
    # Find the end of this paragraph
    end_para = s6.find("</a:p>", idx)
    if end_para > 0:
        end_para_close = end_para + len("</a:p>")
        # Build chronosystem addition as new paragraph lines
        chrono_addition = (
            '<a:p><a:pPr indent="0" marL="0"><a:buNone/></a:pPr>'
            '<a:r><a:rPr lang="en-AU" sz="1100" b="1" dirty="0">'
            '<a:solidFill><a:srgbClr val="7B5EA7"/></a:solidFill>'
            '<a:latin typeface="Calibri" pitchFamily="34" charset="0"/>'
            '<a:ea typeface="Calibri" pitchFamily="34" charset="-122"/>'
            '<a:cs typeface="Calibri" pitchFamily="34" charset="-120"/>'
            '</a:rPr><a:t>Chronosystem</a:t></a:r>'
            '<a:endParaRPr lang="en-AU" dirty="0"/></a:p>'
            '<a:p><a:pPr indent="0" marL="0"><a:buNone/></a:pPr>'
            '<a:r><a:rPr lang="en-AU" sz="1000" dirty="0">'
            '<a:solidFill><a:srgbClr val="555555"/></a:solidFill>'
            '<a:latin typeface="Calibri" pitchFamily="34" charset="0"/>'
            '<a:ea typeface="Calibri" pitchFamily="34" charset="-122"/>'
            '<a:cs typeface="Calibri" pitchFamily="34" charset="-120"/>'
            '</a:rPr><a:t>Changes over time including developmental stages, family transitions, and life experiences that influence the child.</a:t></a:r>'
            '<a:endParaRPr lang="en-AU" dirty="0"/></a:p>'
        )
        s6 = s6[:end_para_close] + chrono_addition + s6[end_para_close:]
        print("  - Added Chronosystem paragraphs after Macrosystem in Slide 6")
else:
    print("  WARNING: Could not find Macrosystem description in slide 6")

write_slide(6, s6)
print("  Slide 6 saved.")

# ============================================================
# CHANGE 1b: Slide 8 — Also add Chronosystem to "Applying" slide Bronfenbrenner section
# (Not required by user, skip)
# ============================================================

# ============================================================
# CHANGE 2: Slide 10 — Add emotional vocabulary examples under Vygotsky SAY section
# ============================================================
print("\nChange 2: Adding emotional vocabulary examples to Slide 10 (Educator Response - Vygotsky)...")
s10 = read_slide(10)

# After: "Let&#x2019;s use our words together" / "Let's use our words together"
# The SAY text is: "I can see your body is telling me you're upset. Let's use our words together..."
# Need to find it and add the vocab examples after

old_say_vygotsky = "Let&#x2019;s practise.&quot;"
new_say_vygotsky_end = "Let&#x2019;s practise.&quot;</a:t></a:r><a:endParaRPr"

# More targeted: find the closing of the SAY paragraph and add vocab after
say_text = "Let&#x2019;s practise."
if say_text in s10:
    idx = s10.find(say_text)
    end_para = s10.find("</a:p>", idx)
    if end_para > 0:
        end_para_close = end_para + len("</a:p>")
        vocab_addition = (
            '<a:p><a:pPr indent="0" marL="0"><a:buNone/></a:pPr>'
            '<a:r><a:rPr lang="en-AU" sz="1000" i="1" dirty="0">'
            '<a:solidFill><a:srgbClr val="444444"/></a:solidFill>'
            '<a:latin typeface="Calibri" pitchFamily="34" charset="0"/>'
            '<a:ea typeface="Calibri" pitchFamily="34" charset="-122"/>'
            '<a:cs typeface="Calibri" pitchFamily="34" charset="-120"/>'
            '</a:rPr><a:t>frustrated  \u2022  upset  \u2022  worried  \u2022  disappointed</a:t></a:r>'
            '<a:endParaRPr lang="en-AU" dirty="0"/></a:p>'
        )
        s10 = s10[:end_para_close] + vocab_addition + s10[end_para_close:]
        print("  - Added emotional vocabulary after Vygotsky SAY section")
else:
    # Try unicode apostrophe
    say_text2 = "Let\u2019s practise."
    if say_text2 in s10:
        idx = s10.find(say_text2)
        end_para = s10.find("</a:p>", idx)
        if end_para > 0:
            end_para_close = end_para + len("</a:p>")
            vocab_addition = (
                '<a:p><a:pPr indent="0" marL="0"><a:buNone/></a:pPr>'
                '<a:r><a:rPr lang="en-AU" sz="1000" i="1" dirty="0">'
                '<a:solidFill><a:srgbClr val="444444"/></a:solidFill>'
                '<a:latin typeface="Calibri" pitchFamily="34" charset="0"/>'
                '<a:ea typeface="Calibri" pitchFamily="34" charset="-122"/>'
                '<a:cs typeface="Calibri" pitchFamily="34" charset="-120"/>'
                '</a:rPr><a:t>frustrated  \u2022  upset  \u2022  worried  \u2022  disappointed</a:t></a:r>'
                '<a:endParaRPr lang="en-AU" dirty="0"/></a:p>'
            )
            s10 = s10[:end_para_close] + vocab_addition + s10[end_para_close:]
            print("  - Added emotional vocabulary (unicode version)")
    else:
        print("  WARNING: Could not find Vygotsky SAY text in slide 10")
        idx = s10.find("practise")
        print(f"  Context: ...{s10[idx-100:idx+200]}...")

# ============================================================
# CHANGE 3: Slide 10 — Add Piaget Hands-On line under ENVIRONMENT
# ============================================================
print("\nChange 3: Adding hands-on/concrete learning line to Piaget environment in Slide 10...")

# Current env text: "Predictable visual schedules, concrete transition signals..."
env_text = "Predictable visual schedules, concrete transition signals"
if env_text in s10:
    idx = s10.find(env_text)
    end_para = s10.find("</a:p>", idx)
    if end_para > 0:
        end_para_close = end_para + len("</a:p>")
        hands_on_addition = (
            '<a:p><a:pPr indent="0" marL="0"><a:buNone/></a:pPr>'
            '<a:r><a:rPr lang="en-AU" sz="1000" i="1" dirty="0">'
            '<a:solidFill><a:srgbClr val="555555"/></a:solidFill>'
            '<a:latin typeface="Calibri" pitchFamily="34" charset="0"/>'
            '<a:ea typeface="Calibri" pitchFamily="34" charset="-122"/>'
            '<a:cs typeface="Calibri" pitchFamily="34" charset="-120"/>'
            '</a:rPr><a:t>Hands-on and visually concrete supports are more effective than abstract explanations for children in the preoperational stage.</a:t></a:r>'
            '<a:endParaRPr lang="en-AU" dirty="0"/></a:p>'
        )
        s10 = s10[:end_para_close] + hands_on_addition + s10[end_para_close:]
        print("  - Added Piaget hands-on line after Environment text")
else:
    print("  WARNING: Could not find Piaget environment text in slide 10")

# ============================================================
# CHANGE 6: Slide 10 — Add Outcome 5 to Vygotsky EYLF section
# ============================================================
print("\nChange 6: Adding Outcome 5 to Vygotsky EYLF in Slide 10...")

# Current Vygotsky EYLF: "Outcome 1: Children have a strong sense of identity..."
outcome1_text = "Outcome 1: Children have a strong sense of identity"
if outcome1_text in s10:
    idx = s10.find(outcome1_text)
    end_para = s10.find("</a:p>", idx)
    if end_para > 0:
        end_para_close = end_para + len("</a:p>")
        outcome5_addition = (
            '<a:p><a:pPr indent="0" marL="0"><a:buNone/></a:pPr>'
            '<a:r><a:rPr lang="en-AU" sz="1000" dirty="0">'
            '<a:solidFill><a:srgbClr val="333333"/></a:solidFill>'
            '<a:latin typeface="Calibri" pitchFamily="34" charset="0"/>'
            '<a:ea typeface="Calibri" pitchFamily="34" charset="-122"/>'
            '<a:cs typeface="Calibri" pitchFamily="34" charset="-120"/>'
            '</a:rPr><a:t>Outcome 5: Children are effective communicators \u2014 Harry develops language and emotional communication skills through guided social interaction.</a:t></a:r>'
            '<a:endParaRPr lang="en-AU" dirty="0"/></a:p>'
        )
        s10 = s10[:end_para_close] + outcome5_addition + s10[end_para_close:]
        print("  - Added Outcome 5 after Vygotsky EYLF Outcome 1")
else:
    print("  WARNING: Could not find Outcome 1 text in slide 10")

write_slide(10, s10)
print("  Slide 10 saved.")

# ============================================================
# CHANGE 4: Slide 12 — Add Family Collaboration sentence to Conclusion
# ============================================================
print("\nChange 4: Adding family collaboration to Conclusion (Slide 12)...")
s12 = read_slide(12)

old_together = "Together they enable a richer, more ethical response."
new_together = "Together they enable a richer, more ethical response. Effective support also requires strong partnerships between educators and families to provide children with consistent emotional guidance across environments."

if old_together in s12:
    s12 = s12.replace(old_together, new_together)
    print("  - Added family collaboration sentence to Conclusion")
else:
    print("  WARNING: Could not find 'Together they enable' text in slide 12")
    idx = s12.find("richer")
    if idx > 0:
        print(f"  Context: ...{s12[idx-50:idx+200]}...")

write_slide(12, s12)
print("  Slide 12 saved.")

# ============================================================
# CHANGE 5a: Slide 11 — Fix APA reference (V2.0 -> Version 2.0)
# ============================================================
print("\nChange 5a: Fixing APA reference in Slide 11 (References)...")
s11 = read_slide(11)

# Change "V2.0" to "Version 2.0" in EYLF reference
old_ref = "framework for Australia (V2.0)"
new_ref = "framework for Australia (Version 2.0)"

if old_ref in s11:
    s11 = s11.replace(old_ref, new_ref)
    print("  - Fixed V2.0 -> Version 2.0 in references slide")
else:
    print("  WARNING: Could not find V2.0 in slide 11")
    idx = s11.find("Australia")
    if idx > 0:
        print(f"  Context: ...{s11[idx-20:idx+100]}...")

write_slide(s11_n := 11, s11)
# Oops, fix the syntax
write_slide(11, s11)
print("  Slide 11 saved.")

# ============================================================
# CHANGE 5b: Slide 10 (educator) — Fix EYLF reference V2.0 -> Version 2.0
# Also in the slide 10 text which cites EYLF V2.0 (2022)
# ============================================================
print("\nChange 5b: Fixing EYLF V2.0 reference in Slide 10...")
s10_updated = read_slide(10)

# In slide 10, EYLF is cited as EYLF V2.0 (2022)
# The EYLF heading text appears - keep V2.0 in the heading label (it's a label not a reference)
# Only fix inside formal parenthetical citations
# The references on slide 10: "(Australian Government Department of Education, 2022)"
# The EYLF label on slide 10 heading: "EYLF V2.0 (2022)" - this is a label, leave it
# The reference text in EYLF citations on slide 10 already uses correct author format
# No change needed for slide 10 reference citations

print("  - No V2.0 citation issues in slide 10 (EYLF V2.0 used as label, not formal citation)")

# ============================================================
# CHANGE 7: Slide 2 — Fix section numbering (remove "Section 2 of 4")
# ============================================================
print("\nChange 7: Fixing section numbering in Slide 2...")
s2 = read_slide(2)

old_section = "Section 2 of 4"
new_section = "Section 1: The Scenario"

if old_section in s2:
    s2 = s2.replace(old_section, new_section)
    print("  - Fixed 'Section 2 of 4' -> 'Section 1: The Scenario' in Slide 2")
else:
    print("  WARNING: Could not find 'Section 2 of 4' in slide 2")

write_slide(2, s2)
print("  Slide 2 saved.")

# Also fix section divider slides (3, 7, 9)
# Slide 3: "01 Section Understanding the Theories" - add consistent label
# Slide 7: "02 Section Applying the Theories" 
# Slide 9: "03 Section Educator Response"
# These already have "01", "02", "03" - they look fine as section dividers

print("\nAll edits complete!")