from docx import Document
from docx.shared import Pt, Inches, RGBColor, Cm
from docx.enum.text import WD_ALIGN_PARAGRAPH
from docx.enum.table import WD_TABLE_ALIGNMENT, WD_ALIGN_VERTICAL
from docx.oxml.ns import qn
from docx.oxml import OxmlElement
import copy

doc = Document()

# ── Page setup: A4, 2 cm margins ──────────────────────────────────────────────
section = doc.sections[0]
section.page_height = Cm(29.7)
section.page_width  = Cm(21.0)
section.left_margin   = Cm(2.5)
section.right_margin  = Cm(2.5)
section.top_margin    = Cm(2.0)
section.bottom_margin = Cm(2.0)

# ── Default Normal style ──────────────────────────────────────────────────────
normal = doc.styles["Normal"]
normal.font.name = "Times New Roman"
normal.font.size = Pt(12)

# ── Helper: set paragraph spacing ────────────────────────────────────────────
def set_spacing(para, before=0, after=4, line=None):
    pf = para.paragraph_format
    pf.space_before = Pt(before)
    pf.space_after  = Pt(after)
    if line:
        from docx.shared import Pt as _Pt
        pf.line_spacing = _Pt(line)

# ── Helper: coloured heading ─────────────────────────────────────────────────
DARK_BLUE = RGBColor(0x1A, 0x37, 0x6C)
MID_BLUE  = RGBColor(0x1F, 0x5C, 0x99)
TEAL      = RGBColor(0x00, 0x70, 0x70)

def add_h1(text):
    p = doc.add_heading(text, level=1)
    p.runs[0].font.color.rgb = DARK_BLUE
    p.runs[0].font.size = Pt(16)
    p.runs[0].bold = True
    set_spacing(p, before=14, after=4)
    return p

def add_h2(text):
    p = doc.add_heading(text, level=2)
    p.runs[0].font.color.rgb = MID_BLUE
    p.runs[0].font.size = Pt(13)
    p.runs[0].bold = True
    set_spacing(p, before=10, after=3)
    return p

def add_h3(text):
    p = doc.add_heading(text, level=3)
    p.runs[0].font.color.rgb = TEAL
    p.runs[0].font.size = Pt(12)
    p.runs[0].bold = True
    set_spacing(p, before=8, after=2)
    return p

def add_body(text, bold=False, italic=False):
    p = doc.add_paragraph(style="Normal")
    run = p.add_run(text)
    run.bold   = bold
    run.italic = italic
    set_spacing(p, before=0, after=4, line=14)
    return p

def add_bullet(text, bold_prefix=None):
    p = doc.add_paragraph(style="List Bullet")
    p.paragraph_format.left_indent = Inches(0.25)
    if bold_prefix:
        r1 = p.add_run(bold_prefix)
        r1.bold = True
        p.add_run(text)
    else:
        p.add_run(text)
    set_spacing(p, before=0, after=2)
    return p

def add_note(text):
    """Shaded note/callout paragraph."""
    p = doc.add_paragraph(style="Normal")
    run = p.add_run(text)
    run.italic = True
    run.font.size = Pt(11)
    # light yellow shading
    pPr = p._p.get_or_add_pPr()
    shd = OxmlElement("w:shd")
    shd.set(qn("w:val"), "clear")
    shd.set(qn("w:color"), "auto")
    shd.set(qn("w:fill"), "FFF9C4")
    pPr.append(shd)
    set_spacing(p, before=2, after=6)
    return p

# ── Helper: add table with header row ────────────────────────────────────────
def add_table(headers, rows, col_widths=None):
    t = doc.add_table(rows=1 + len(rows), cols=len(headers))
    t.style = "Table Grid"
    t.alignment = WD_TABLE_ALIGNMENT.LEFT

    # Header row
    hdr = t.rows[0]
    for i, h in enumerate(headers):
        cell = hdr.cells[i]
        cell.vertical_alignment = WD_ALIGN_VERTICAL.CENTER
        p = cell.paragraphs[0]
        p.clear()
        run = p.add_run(h)
        run.bold = True
        run.font.size = Pt(11)
        run.font.color.rgb = RGBColor(0xFF, 0xFF, 0xFF)
        p.alignment = WD_ALIGN_PARAGRAPH.CENTER
        # Blue background
        tc_pr = cell._tc.get_or_add_tcPr()
        shd = OxmlElement("w:shd")
        shd.set(qn("w:val"), "clear")
        shd.set(qn("w:color"), "auto")
        shd.set(qn("w:fill"), "1A376C")
        tc_pr.append(shd)

    # Data rows
    for ri, row_data in enumerate(rows):
        tr = t.rows[ri + 1]
        for ci, cell_text in enumerate(row_data):
            cell = tr.cells[ci]
            p = cell.paragraphs[0]
            p.clear()
            run = p.add_run(str(cell_text))
            run.font.size = Pt(10.5)
            p.alignment = WD_ALIGN_PARAGRAPH.LEFT
            # Alternate row shading
            if ri % 2 == 0:
                tc_pr = cell._tc.get_or_add_tcPr()
                shd = OxmlElement("w:shd")
                shd.set(qn("w:val"), "clear")
                shd.set(qn("w:color"), "auto")
                shd.set(qn("w:fill"), "EBF3FB")
                tc_pr.append(shd)

    # Set column widths if specified
    if col_widths:
        from docx.oxml import OxmlElement
        tbl = t._tbl
        tblGrid = tbl.find(qn("w:tblGrid"))
        if tblGrid is None:
            tblGrid = OxmlElement("w:tblGrid")
            tbl.insert(0, tblGrid)
        # Clear and set
        for gc in tblGrid.findall(qn("w:gridCol")):
            tblGrid.remove(gc)
        for w in col_widths:
            gc = OxmlElement("w:gridCol")
            gc.set(qn("w:w"), str(int(w * 567)))  # cm to twips approx
            tblGrid.append(gc)
    return t

def add_page_break():
    doc.add_page_break()

def add_divider():
    """Thin horizontal rule via bottom border on a blank paragraph."""
    p = doc.add_paragraph()
    pPr = p._p.get_or_add_pPr()
    pBdr = OxmlElement("w:pBdr")
    bottom = OxmlElement("w:bottom")
    bottom.set(qn("w:val"), "single")
    bottom.set(qn("w:sz"), "6")
    bottom.set(qn("w:space"), "1")
    bottom.set(qn("w:color"), "1A376C")
    pBdr.append(bottom)
    pPr.append(pBdr)
    set_spacing(p, before=0, after=6)

# ══════════════════════════════════════════════════════════════════════════════
#  COVER PAGE
# ══════════════════════════════════════════════════════════════════════════════
p = doc.add_paragraph()
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
set_spacing(p, before=30, after=0)

p = doc.add_paragraph()
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
r = p.add_run("MPMSU")
r.font.name = "Times New Roman"; r.font.size = Pt(14); r.bold = True
r.font.color.rgb = DARK_BLUE

p = doc.add_paragraph()
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
r = p.add_run("Madhya Pradesh Medical Science University")
r.font.name = "Times New Roman"; r.font.size = Pt(13); r.bold = False
r.font.color.rgb = DARK_BLUE
set_spacing(p, before=0, after=20)

p = doc.add_paragraph()
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
r = p.add_run("FORENSIC MEDICINE & TOXICOLOGY")
r.font.name = "Times New Roman"; r.font.size = Pt(24); r.bold = True
r.font.color.rgb = DARK_BLUE

p = doc.add_paragraph()
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
r = p.add_run("University Examination — Answer Book")
r.font.name = "Times New Roman"; r.font.size = Pt(15)
r.font.color.rgb = MID_BLUE
set_spacing(p, before=6, after=40)

add_divider()

p = doc.add_paragraph()
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
r = p.add_run("Based on Authoritative Textbooks:\n"
              "Parikh's Textbook of Medical Jurisprudence  |  "
              "Dikshit's Forensic Medicine  |  "
              "Essentials of Forensic Medicine & Toxicology (36th ed., 2026)")
r.font.size = Pt(10); r.italic = True
r.font.color.rgb = RGBColor(0x55, 0x55, 0x55)
set_spacing(p, before=6, after=0)

add_page_break()

# ══════════════════════════════════════════════════════════════════════════════
#  SECTION A — LONG ANSWER QUESTIONS
# ══════════════════════════════════════════════════════════════════════════════
p = doc.add_paragraph()
r = p.add_run("SECTION A — LONG ANSWER QUESTIONS (LAQs)")
r.font.size = Pt(14); r.bold = True; r.font.color.rgb = DARK_BLUE
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
add_divider()

# ─── Q1: Rigor Mortis ────────────────────────────────────────────────────────
add_h1("Q.1  Rigor Mortis — Definition, Mechanism, Onset, Duration, Disappearance & Medicolegal Importance")

add_h2("Definition")
add_body("Rigor Mortis (Latin: rigor = rigidity; mortis = of death) is a postmortem change "
         "characterised by the stiffening and shortening of all muscles of the body — voluntary "
         "(skeletal) and involuntary (cardiac, smooth) — following the period of primary flaccidity "
         "after death. It is caused by chemical changes in the structural proteins of muscle fibres "
         "and represents molecular death of the muscle cells.")

add_h2("Mechanism (Pathophysiology)")
add_body("In living muscle, the contractile proteins actin and myosin require ATP (adenosine "
         "triphosphate) to maintain their sliding movement. After death:")
for step in [
    "Oxygen supply stops → aerobic metabolism ceases",
    "ATP is briefly resynthesised via anaerobic glycolysis using available muscle glycogen",
    "Once glycogen is exhausted, ATP cannot be regenerated",
    "Without ATP, actin and myosin filaments fuse permanently into a dehydrated, stiff gel",
    "Muscle pH shifts from slightly alkaline → distinctly acidic (lactic acid accumulation)",
    "This irreversible cross-linking constitutes Rigor Mortis",
    "Rigor persists until autolysis of proteins occurs during putrefaction → secondary flaccidity"
]:
    add_bullet(step)

add_h2("Order of Appearance — Nysten's Law (1811)")
add_note("Nysten's Law: Rigor mortis first appears in the jaw, then spreads cephalocaudally — "
         "neck → upper limbs → trunk → lower limbs — and disappears in the same order.")

add_table(
    ["Sequence", "Muscles Affected", "Time of Onset (Temperate ~21°C)"],
    [
        ["1st (involuntary)", "Heart", "Within 1 hour"],
        ["2nd", "Jaw (masseter, pterygoids)", "2–4 hours after death"],
        ["3rd", "Face, neck, upper limbs", "4–6 hours"],
        ["4th", "Trunk, lower limbs", "6–12 hours"],
        ["Full rigor", "All body muscles", "12–18 hours"],
        ["Starts passing off", "Head downward (same order)", "24–36 hours"],
        ["Complete disappearance", "Secondary flaccidity", "48–72 hours"],
    ],
    col_widths=[3.5, 5, 7]
)
doc.add_paragraph()

add_h2("Factors Modifying Rigor Mortis")
add_h3("Factors Accelerating Onset / Shortening Duration")
for f in ["High environmental temperature",
          "Prior physical exertion, convulsions, or strychnine poisoning (depletes ATP/glycogen faster)",
          "High fever at time of death",
          "Wasting diseases (less glycogen reserve)",
          "Infants (small muscle mass)"]:
    add_bullet(f)

add_h3("Factors Delaying Onset / Prolonging Duration")
for f in ["Cold environment / refrigeration",
          "Cold water immersion",
          "Debilitating chronic illness",
          "Old age"]:
    add_bullet(f)

add_h2("Conditions Simulating Rigor Mortis")
add_table(
    ["Condition", "Mechanism", "Key Differentiating Feature"],
    [
        ["Cadaveric Spasm", "Instant rigor at moment of death; no primary flaccidity", "Preserves last act (grass/weapon clutched); great MLI value"],
        ["Heat Stiffening", "Coagulation of muscle proteins by extreme heat", "Muscles brittle; 'pugilistic attitude'; no relaxation on warming"],
        ["Cold Stiffening", "Freezing of tissues", "Stiffness disappears on warming; not true rigor"],
        ["Gas Stiffening", "Gas formation in decomposing tissues", "Associated with decomposition changes"],
    ],
    col_widths=[4, 7, 5]
)
doc.add_paragraph()

add_h2("Medicolegal Importance")
ml_points = [
    ("Estimation of Time Since Death (TSD)", " — Stage of rigor mortis gives approximate PMI"),
    ("Position of body at death", " — Rigor fixes posture; inconsistency indicates body displacement"),
    ("Cadaveric spasm vs rigor", " — Distinguishes homicide from suicide when weapon is found tightly clutched"),
    ("Detection of body displacement", " — Distribution inconsistent with environment reveals movement"),
    ("Breaking of rigor", " — Once broken by force, rigor does not return; important at crime scene"),
    ("Antemortem vs postmortem injuries", " — Context of rigor assists in injury interpretation"),
]
for bold, rest in ml_points:
    add_bullet(rest, bold_prefix=bold)

add_page_break()

# ─── Q2: Putrefaction ────────────────────────────────────────────────────────
add_h1("Q.2  Cadaveric Decomposition — Stages and Signs of Putrefaction")

add_h2("Definition")
add_body("Putrefaction is the process of destruction and liquefaction of the soft tissues of the "
         "body by microorganisms (bacteria and fungi), primarily from the gastrointestinal tract, "
         "following the cessation of life.")

add_h2("Four Processes of Postmortem Decomposition")
add_table(
    ["Process", "Definition", "Conditions Favouring"],
    [
        ["Putrefaction", "Microbial destruction of soft tissues", "Warm, moist, open air"],
        ["Autolysis", "Enzymatic self-digestion (begins immediately)", "All conditions"],
        ["Mummification", "Preservation by desiccation", "Hot, dry, windy environment"],
        ["Adipocere Formation", "Saponification of body fat to soap-like substance", "Warm, moist, anaerobic"],
    ],
    col_widths=[4, 7, 5]
)
doc.add_paragraph()

add_h2("Stages of Putrefaction")
add_h3("Stage 1: Early/Fresh Stage (0–3 days)")
for pt in ["Green discolouration first in right iliac fossa (caecum — richest in bacteria) at 24–48 hours",
           "Spreads progressively to whole abdomen",
           "Internal organs undergo autolysis",
           "Eyes become cloudy"]:
    add_bullet(pt)

add_h3("Stage 2: Bloating (3–10 days)")
for pt in ["Gas formation (H₂S, CH₄, NH₃, CO₂) causes abdominal distension",
           "Face bloated and distorted",
           "Marbling — haemolysis in superficial vessels gives tree-like pattern on skin",
           "Skin blisters form; intense foul odour"]:
    add_bullet(pt)

add_h3("Stage 3: Active Decay (10–25 days)")
for pt in ["Liquefaction of soft tissues; skin slippage (epidermis separates from dermis)",
           "Putrid smell from H₂S, indole, skatole, mercaptans",
           "Loss of significant body mass"]:
    add_bullet(pt)

add_h3("Stage 4: Advanced Decay / Dry Stage (weeks to months)")
for pt in ["Most soft tissue gone; moist remains dry out",
           "Bones and cartilage exposed; residual skin leathery (may mummify)"]:
    add_bullet(pt)

add_h3("Stage 5: Skeletonisation (months to years)")
add_bullet("Complete loss of soft tissue; only bones remain")
add_bullet("Rate: 1–2 years in temperate climate; faster in tropics")

add_h2("Summary Timeline Table")
add_table(
    ["Sign", "Timeframe"],
    [
        ["Green discolouration (right iliac fossa)", "24–48 hours"],
        ["Green colour spreads to whole abdomen", "2–3 days"],
        ["Marbling of skin", "3–5 days"],
        ["Bloating of face and abdomen", "3–5 days"],
        ["Skin blisters", "4–7 days"],
        ["Skin slippage", "5–10 days"],
        ["Softening/liquefaction of organs", "7–14 days"],
        ["Skeletonisation (surface exposure)", "Months–years"],
    ],
    col_widths=[10, 6]
)
doc.add_paragraph()

add_h2("Factors Affecting Rate of Putrefaction")
add_h3("Accelerating Factors")
for f in ["High temperature (optimal: 37°C)", "High humidity", "Open air/surface exposure",
          "Infants and obese persons", "Death from septicaemia/peritonitis"]:
    add_bullet(f)

add_h3("Retarding Factors")
for f in ["Cold temperature / refrigeration", "Dry/hot conditions → mummification",
          "Deep burial / airtight containers", "Embalming",
          "Antiseptic/preservative poisons (arsenic, antimony) — tissues well preserved"]:
    add_bullet(f)

add_h2("Medicolegal Importance")
for pt in ["Estimation of time since death from stage of decomposition",
           "Forensic entomology (insect succession) for PMI",
           "Identification via dental records, DNA, fingerprints when features destroyed",
           "Detection of antemortem injuries — bone injuries persist despite soft tissue loss",
           "Toxicology — arsenic, antimony, and some poisons preserved in hair, nails, and bones"]:
    add_bullet(pt)

add_page_break()

# ─── Q3: Wounds ──────────────────────────────────────────────────────────────
add_h1("Q.3  Classification and Medicolegal Importance of Wounds")

add_h2("Definition of Wound")
add_body("A wound is a breach in the continuity of any tissue of the body, internal or external, "
         "caused by mechanical force or other agencies.")

add_h2("Classification of Wounds")
add_h3("A. Based on Causative Agent — Mechanical Wounds")

add_table(
    ["Type", "Cause", "Key Features", "Medicolegal Importance"],
    [
        ["Abrasion", "Rubbing off epidermis by blunt/rough object",
         "Superficial; graze, scratch, pressure types",
         "Shows direction of force; preserves imprint of weapon; defence wounds"],
        ["Contusion (Bruise)", "Blunt force → blood extravasation without skin break",
         "Colour changes: Red/Purple → Blue → Green → Yellow → Brown (5–7 days)",
         "Age of injury estimated from colour; tracking may mislead"],
        ["Laceration", "Blunt force tearing tissue beyond elasticity",
         "Ragged irregular edges; hair bridges; tissue tags; contamination",
         "Wound pattern may indicate shape of weapon"],
        ["Incised Wound", "Sharp-edged weapon (knife, razor, glass)",
         "Clean, everted edges; length > depth; hair cleanly cut",
         "Suicidal cuts: multiple parallel 'hesitation marks' on accessible sites"],
        ["Stab/Puncture", "Sharp-pointed weapon with depth > surface dimension",
         "Small entry; single-edged blade → one sharp + one blunt margin",
         "Blade width, edge type, and approximate depth determinable"],
        ["Chop Wound", "Heavy cutting weapon (axe, sword, dao)",
         "Combination incised + lacerated; cleaves bone",
         "Indicates heavy weapon; usually homicidal"],
    ],
    col_widths=[3.5, 4, 5, 4]
)
doc.add_paragraph()

add_h3("B. Firearm Wounds")
add_table(
    ["Feature", "Entry Wound", "Exit Wound"],
    [
        ["Size", "Small (calibre-dependent)", "Larger, irregular"],
        ["Edges", "Inverted, abraded margin (contusion ring)", "Everted, stellate"],
        ["Contusion ring", "Present", "Absent"],
        ["Burning/singeing", "Present at close range", "Absent"],
        ["Blackening/tattooing", "Present at close range", "Absent"],
        ["Grease/wipe ring", "Present", "Absent"],
    ],
    col_widths=[5, 6, 6]
)
doc.add_paragraph()

add_h3("C. Medicolegal Classification (IPC-Based)")
add_table(
    ["Category", "Definition"],
    [
        ["Simple Hurt (IPC Sec. 319)", "Causing bodily pain, disease or infirmity without danger to life/limb"],
        ["Grievous Hurt (IPC Sec. 320)", "8 specific categories — see below"],
        ["Dangerous Wound", "Likely to endanger life"],
    ],
    col_widths=[7, 9]
)
doc.add_paragraph()

add_h3("Eight Categories of Grievous Hurt (IPC Section 320)")
grievous = [
    "Emasculation",
    "Permanent privation of sight of either eye",
    "Permanent privation of hearing of either ear",
    "Privation of any member or joint",
    "Destruction or permanent impairing of the power of any member or joint",
    "Permanent disfigurement of the head or face",
    "Fracture or dislocation of a bone or tooth",
    "Any hurt which endangers life or which causes severe bodily pain or inability to follow ordinary pursuits for 20+ days"
]
for i, g in enumerate(grievous, 1):
    add_bullet(f"({i}) {g}")

add_h2("General Medicolegal Importance of Wounds")
for pt in ["Nature of weapon — wound characteristics reveal weapon type",
           "Manner of infliction — suicidal, homicidal, or accidental",
           "Direction and force of the blow",
           "Age of wound — helps determine timing relative to death",
           "Number and distribution — multiple defensive wounds suggest homicide",
           "Site — accessible sites favour suicide; inaccessible sites suggest homicide",
           "Vital reaction — presence confirms antemortem infliction",
           "IPC implications — grievous/simple classification determines legal charges under Sec. 319/320/326"]:
    add_bullet(pt)

add_page_break()

# ─── Q4: Asphyxia ────────────────────────────────────────────────────────────
add_h1("Q.4  Asphyxia — Definition, Classification & Signs of Asphyxial Deaths")

add_h2("Definition")
add_body("Asphyxia is a condition caused by interference with respiration leading to hypoxia "
         "(reduced oxygen delivery) and hypercapnia (raised CO₂), resulting in unconsciousness "
         "and ultimately death if uncorrected.")

add_h2("Classification of Asphyxia")
add_table(
    ["Type", "Mechanism", "Examples"],
    [
        ["Suffocation", "External blockage of nose and mouth",
         "Smothering (hand/pillow), gagging, overlaying"],
        ["Strangulation — Hanging", "Body weight as constricting force via noose",
         "Suicidal (typical/atypical), judicial hanging"],
        ["Strangulation — Ligature", "Cord/rope applied around neck without body weight",
         "Usually homicidal"],
        ["Strangulation — Manual (Throttling)", "Hands/fingers around neck",
         "Almost always homicidal"],
        ["Choking", "Foreign body obstruction within airway",
         "Bolus of food, foreign objects (cafe coronary)"],
        ["Drowning", "Aspiration of fluid into airway",
         "Wet drowning (aspiration) vs dry drowning (laryngospasm)"],
        ["Traumatic (Compressive) Asphyxia", "External chest compression preventing respiration",
         "Crowd crushes, rockfall, burial"],
        ["Toxic/Chemical Asphyxia", "Tissue-level failure of oxygen utilisation",
         "CO poisoning, cyanide (histotoxic)"],
        ["Positional Asphyxia", "Body position mechanically impairs breathing",
         "Restrained individuals, intoxicated persons in flexed position"],
    ],
    col_widths=[4.5, 6, 5.5]
)
doc.add_paragraph()

add_h2("General Signs of Asphyxial Death")
add_h3("External Findings")
add_table(
    ["Sign", "Description"],
    [
        ["Cyanosis", "Blue discolouration of lips, fingernails, face"],
        ["Petechial haemorrhages (Tardieu spots)", "Pinpoint haemorrhages in conjunctiva, sclera, facial skin"],
        ["Congestion of face", "Dark, plethoric appearance due to venous engorgement"],
        ["Conjunctival oedema", "Chemosis"],
        ["Postmortem lividity", "Deep blue-purple, early-appearing, well-developed"],
        ["Protrusion of tongue", "Due to congestion and venous engorgement"],
    ],
    col_widths=[6, 10]
)
doc.add_paragraph()

add_h3("Internal Findings (Autopsy)")
add_table(
    ["Organ/Finding", "Description"],
    [
        ["Lungs", "Voluminous, congested, dark, oedematous; Tardieu spots on pleural surface"],
        ["Heart", "Right side dilated, filled with dark fluid blood"],
        ["Brain", "Congested, oedematous"],
        ["Blood", "Dark, fluid (unclotted) — rapid death + asphyxia"],
        ["All viscera", "Engorged and congested throughout"],
    ],
    col_widths=[5, 11]
)
doc.add_paragraph()

add_h2("Special Features in Hanging")
add_table(
    ["Feature", "Typical Hanging (Judicial-type)", "Atypical Hanging"],
    [
        ["Constricting force", "Body weight via rope at back of neck", "Body weight with knot at front/side"],
        ["Ligature mark", "Oblique, inverted-V, pale/parchment, NOT circumferential", "May be more horizontal"],
        ["Facial appearance", "Pale (rapid venous occlusion)", "Congested (slower occlusion)"],
        ["Petechiae", "Usually absent", "May be present above mark"],
        ["Neck fracture", "C2/C3 (hangman's fracture) in judicial hanging", "Rare"],
        ["Tongue", "Protruding, bruised; frothy saliva at mouth", "Same"],
    ],
    col_widths=[4, 6, 6]
)
doc.add_paragraph()

add_h2("Distinction: Ante-mortem vs Postmortem Hanging")
add_table(
    ["Feature", "Antemortem", "Postmortem"],
    [
        ["Ligature mark", "Well-defined, parchment-like, dried, brown", "Vague, soft, no parchment change"],
        ["Postmortem lividity", "In lower limbs (hanged vertically)", "Inconsistent with position"],
        ["Vital reaction", "Present (haemorrhage, inflammation)", "Absent"],
        ["Petechiae/congestion", "Present", "May be absent"],
    ],
    col_widths=[5, 6.5, 6.5]
)
doc.add_paragraph()

add_page_break()

# ─── Q5: Poisoning ───────────────────────────────────────────────────────────
add_h1("Q.5  Poisoning — General Principles of Treatment & Role of Doctor in MLC of Poisoning")

add_h2("Definition of Poison")
add_body("A poison is any substance which, when introduced into the body through any route in "
         "relatively small quantity, produces death or injury to the living organism by its "
         "chemical action. (Ref. IPC Section 284)")

add_h2("Classification of Poisons")
add_table(
    ["Category", "Examples"],
    [
        ["Corrosives", "H₂SO₄, HCl, HNO₃ (acids); NaOH, KOH (alkalis)"],
        ["Irritants — Inorganic", "Arsenic, Phosphorus, Lead, Mercury"],
        ["Irritants — Organic (vegetable)", "Croton oil, Castor oil, Dhatura"],
        ["Irritants — Animal", "Snake venom, Cantharides (Spanish fly)"],
        ["Neurological — Cerebral", "Alcohol, Opium/Morphine, Barbiturates, Chloroform"],
        ["Neurological — Spinal", "Strychnine, Gelsemium"],
        ["Neurological — Peripheral", "Curare, Conium (hemlock)"],
        ["Cardiac Poisons", "Aconite, Digitalis, Quinine"],
        ["Asphyxiants", "CO, HCN, H₂S"],
        ["Miscellaneous", "Oxalic acid, Hydrofluoric acid, Insecticides (OP compounds)"],
    ],
    col_widths=[5.5, 10.5]
)
doc.add_paragraph()

add_h2("General Principles of Treatment of Acute Poisoning")
add_h3("Step 1: Resuscitation (IMMEDIATE — ABC)")
for pt in ["Airway — clear, secure; intubate if required",
           "Breathing — assisted ventilation for respiratory depression",
           "Circulation — IV access, treat shock with IV fluids / vasopressors",
           "Contact Poison Control Centre immediately"]:
    add_bullet(pt)

add_h3("Step 2: Prevent Further Absorption")
add_table(
    ["Method", "Indication", "Contraindications"],
    [
        ["Gastric lavage (stomach wash)", "Within 1 hour of ingestion of most poisons",
         "Corrosives, petroleum products, volatile substances; unconscious without airway protection"],
        ["Activated charcoal (1 g/kg)", "Most organic poisons — adsorbs them in GIT",
         "NOT for metals, alcohols, acids, alkalis"],
        ["Skin decontamination", "Dermal/ocular exposure",
         "Remove all contaminated clothing; copious water irrigation"],
        ["Dilution (water/milk)", "Corrosive ingestion only",
         "Do NOT neutralise — exothermic reaction worsens injury"],
    ],
    col_widths=[4, 7, 5]
)
doc.add_paragraph()

add_h3("Step 3: Enhance Elimination")
for pt in ["Forced alkaline diuresis — salicylates, phenobarbitone",
           "Forced acid diuresis — amphetamines",
           "Haemodialysis — lithium, alcohol, salicylates, methanol, ethylene glycol",
           "Haemoperfusion — theophylline, barbiturates (lipid-soluble toxins)",
           "Multiple-dose activated charcoal — enterohepatically circulating drugs (carbamazepine, digoxin)"]:
    add_bullet(pt)

add_h3("Step 4: Specific Antidotes")
add_table(
    ["Poison", "Antidote"],
    [
        ["Organophosphorus (OP) compounds", "Atropine + Pralidoxime (PAM)"],
        ["Opioids / Morphine", "Naloxone (0.4–2 mg IV)"],
        ["Benzodiazepines", "Flumazenil"],
        ["Paracetamol", "N-Acetylcysteine (NAC)"],
        ["Carbon monoxide (CO)", "100% O₂ / Hyperbaric O₂"],
        ["Cyanide", "Amyl nitrite + Sodium nitrite + Sodium thiosulphate / Dicobalt edetate"],
        ["Iron", "Deferoxamine"],
        ["Lead", "EDTA (Ca-Na₂ EDTA) / DMSA (Succimer)"],
        ["Mercury / Arsenic", "BAL (Dimercaprol) / DMSA"],
        ["Warfarin / anticoagulants", "Vitamin K / Fresh Frozen Plasma"],
        ["Heparin", "Protamine sulphate"],
        ["Methanol / Ethylene glycol", "Ethanol / Fomepizole + Haemodialysis"],
        ["Digoxin", "Digoxin-specific Fab antibody fragments"],
        ["Beta-blockers", "Glucagon + High-dose insulin"],
        ["Tricyclic antidepressants (TCA)", "Sodium bicarbonate (IV)"],
        ["Snake venom", "Polyvalent anti-snake venom serum (ASVS)"],
    ],
    col_widths=[8, 8]
)
doc.add_paragraph()

add_h3("Step 5: Supportive Care")
for pt in ["Treat seizures (benzodiazepines first-line)",
           "Correct metabolic acidosis/alkalosis",
           "Manage hyperthermia or hypothermia",
           "Monitor vitals, ECG, renal and hepatic function",
           "Nutritional support in prolonged cases"]:
    add_bullet(pt)

add_h2("Role of a Doctor in Medico-Legal Cases (MLC) of Poisoning")
add_table(
    ["Responsibility", "Details"],
    [
        ["1. Clinical Duty", "Primary duty is to SAVE the patient's life — medicolegal obligations are secondary"],
        ["2. MLC Documentation", "Register all history, symptoms, signs, investigations, treatment in MLC register"],
        ["3. Sample Collection & Preservation",
         "Vomitus, gastric washings (100–200 mL); urine (30 mL); blood (10 mL — plain + fluoride-oxalate vial); nail/hair clippings (heavy metals); label, seal, sign with chain of custody"],
        ["4. Police Notification", "All cases of suspected criminal poisoning must be notified to police (Sec. 39 CrPC)"],
        ["5. Evidence Preservation", "Do NOT discard vomitus, containers, food remnants; preserve as exhibits"],
        ["6. Fatal Cases — Autopsy Samples",
         "Stomach + contents, liver (500 g), kidney, blood, urine, CSF, vitreous humour for chemical analysis"],
        ["7. Expert Witness", "May be called under Section 164 CrPC to give expert testimony in court"],
        ["8. Report Writing", "Must be accurate, complete, unambiguous, and withstand cross-examination"],
    ],
    col_widths=[4.5, 11.5]
)
doc.add_paragraph()

add_page_break()

# ══════════════════════════════════════════════════════════════════════════════
#  SECTION B — SHORT ANSWER QUESTIONS
# ══════════════════════════════════════════════════════════════════════════════
p = doc.add_paragraph()
r = p.add_run("SECTION B — SHORT ANSWER QUESTIONS (SAQs)")
r.font.size = Pt(14); r.bold = True; r.font.color.rgb = DARK_BLUE
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
add_divider()

# ─── Q6: Algor Mortis ────────────────────────────────────────────────────────
add_h1("Q.6  Algor Mortis (Postmortem Cooling)")

add_h2("Definition")
add_body("Algor Mortis (Latin: algor = cold) is the progressive cooling of the dead body to the "
         "surrounding (ambient) environmental temperature after death.")

add_h2("Mechanism")
add_body("After death, heat production stops. Body temperature falls via radiation, convection, "
         "conduction, and evaporation at approximately 1–1.5°C per hour under standard conditions.")

add_h2("Factors Modifying Rate of Cooling")
add_table(
    ["Factor", "Effect"],
    [
        ["High ambient temperature", "Slower cooling (reduced temperature gradient)"],
        ["Obesity / thick clothing", "Slower cooling (insulation)"],
        ["Thin build / infant", "Faster cooling (high surface area : volume ratio)"],
        ["Dry/windy environment", "Faster cooling by evaporation"],
        ["High fever at death", "Higher initial temperature → takes longer"],
        ["Cold water immersion", "Very rapid cooling"],
    ],
    col_widths=[7, 9]
)
doc.add_paragraph()

add_h2("Medicolegal Importance")
for pt in ["Estimation of PMI — Henssge nomogram uses body and ambient temperature",
           "Rule of Thumb: ~1°C/hour drop for first 6 hours, then slower",
           "Combined with rigor mortis and livor mortis for more accurate TSD",
           "Site of measurement: rectal temperature (most reliable at scene)"]:
    add_bullet(pt)

add_divider()

# ─── Q7: PM Lividity ─────────────────────────────────────────────────────────
add_h1("Q.7  Postmortem Lividity (Livor Mortis / Hypostasis)")

add_h2("Definition")
add_body("Postmortem lividity is the reddish-purple discolouration of the skin in the dependent "
         "(lower) parts of the body after death, due to pooling of blood by gravity in the "
         "capillaries and venules once circulation ceases.")

add_h2("Onset and Progression")
add_table(
    ["Stage", "Time"],
    [
        ["First appearance", "1–2 hours post-death"],
        ["Confluent/blotchy patches", "4–6 hours"],
        ["Fully established", "6–12 hours"],
        ["Fixed (does not shift on repositioning)", "8–12 hours"],
        ["Maximum development", "12–18 hours"],
    ],
    col_widths=[8, 8]
)
doc.add_paragraph()

add_h2("Colour Variations and Their Significance")
add_table(
    ["Colour", "Cause"],
    [
        ["Red-purple (normal)", "Deoxyhaemoglobin in stagnant blood"],
        ["Bright cherry red", "CO poisoning, cyanide poisoning, cold exposure"],
        ["Pale pink", "Anaemia, significant haemorrhage"],
        ["Chocolate brown", "Methaemoglobinaemia (nitrites, dapsone)"],
        ["Greenish", "Putrefaction"],
    ],
    col_widths=[7, 9]
)
doc.add_paragraph()

add_h2("Medicolegal Importance")
for pt in ["Confirms death — well-developed lividity is a reliable sign of death",
           "Estimation of TSD — stage of development indicates approximate PMI",
           "Position at death — pattern reveals original body position",
           "Detection of body displacement — if lividity does not match current position → body moved after fixation (8–12 h)",
           "Manner of death — cherry-red lividity → CO poisoning; chocolate-brown → methaemoglobinaemia",
           "Absent over bony prominences (ground contact) — helps confirm supine/prone position"]:
    add_bullet(pt)

add_divider()

# ─── Q8: Forensic Entomology ─────────────────────────────────────────────────
add_h1("Q.8  Forensic Entomology")

add_h2("Definition")
add_body("Forensic entomology is the application of the study of insects and arthropods to "
         "medicolegal investigations, particularly the estimation of the postmortem interval (PMI).")

add_h2("Principle")
add_body("Insects colonise a dead body in a predictable, reproducible succession. The species present "
         "and the developmental stage of larvae indicate the minimum time since death.")

add_h2("Succession Pattern on a Corpse")
add_table(
    ["Insect Type", "Stage of Decomposition"],
    [
        ["Blowflies (Calliphoridae) — MOST IMPORTANT", "Fresh stage (within minutes–hours of death)"],
        ["Flesh flies (Sarcophagidae)", "Fresh to early bloat"],
        ["Rove beetles (Staphylinidae)", "Bloat to active decay"],
        ["Hister beetles, mites", "Active to advanced decay"],
        ["Hide/skin beetles (Dermestidae)", "Dry/skeletonisation stage"],
    ],
    col_widths=[8, 8]
)
doc.add_paragraph()

add_h2("Blowfly Life Cycle (Most Useful for PMI)")
add_body("Egg → 1st instar larva → 2nd instar larva → 3rd instar larva → Pupa → Adult")
add_body("Full cycle at 25°C ≈ 18–24 days. The 3rd instar (maggot) is the longest stage and most "
         "useful. PMI estimated using Accumulated Degree Hours (ADH) or Accumulated Degree Days (ADD).")

add_h2("Applications")
for pt in ["Minimum PMI estimation from larval stage and species succession",
           "Toxicology — poisons and drugs detectable in insect larvae that fed on tissues",
           "Body displacement — regional insect species reveal geographic origin of body",
           "Neglect/abuse — living myiasis (maggot infestation in a live person) = neglect",
           "Time of year estimation from seasonal insect species"]:
    add_bullet(pt)

add_divider()

# ─── Q9: Adipocere ───────────────────────────────────────────────────────────
add_h1("Q.9  Adipocere Formation")

add_h2("Definition")
add_body("Adipocere (Latin: adeps = fat; cera = wax) is a postmortem change in which body fat "
         "undergoes saponification to produce a white/grey-white, soft, greasy, soap-like substance "
         "that preserves the general body contours.")

add_h2("Conditions Required")
for c in ["Warm temperature (optimal: 25–30°C)",
          "High humidity / moisture",
          "Anaerobic environment (burial in moist soil, immersion in water, airtight containers)",
          "Sufficient body fat — obese individuals and infants are more susceptible"]:
    add_bullet(c)

add_h2("Process")
add_body("Body fat (triglycerides) → hydrolysis → glycerol + free fatty acids (oleic, palmitic, stearic) "
         "→ oxidation and hydrogenation → hydroxystearic acid — the main constituent of adipocere.")

add_h2("Timeline")
add_table(
    ["Milestone", "Timeframe"],
    [
        ["Adipocere begins to form", "3–5 weeks after death"],
        ["Partial formation", "3–6 months"],
        ["Complete formation", "12+ months"],
    ],
    col_widths=[8, 8]
)
doc.add_paragraph()

add_h2("Medicolegal Importance")
for pt in ["Preservation of body contours, wounds, and facial features for years → identification possible",
           "Estimation of TSD — complete formation indicates prolonged submersion/burial",
           "Detection of antemortem injuries and ligature marks preserved within adipocere",
           "Long PMI identification — recognisable even after years",
           "Suggests deliberate concealment in moist environment (homicide)",
           "Toxicology — poisons detectable within adipocere tissue"]:
    add_bullet(pt)

add_divider()

# ─── Q10: Hanging vs Strangulation ───────────────────────────────────────────
add_h1("Q.10  Hanging vs Strangulation — Medicolegal Differences")

add_table(
    ["Feature", "Hanging", "Ligature Strangulation", "Manual Strangulation (Throttling)"],
    [
        ["Constricting force", "Body weight via noose", "External force with cord/rope", "Hands and fingers"],
        ["Ligature mark", "Present; oblique/inverted-V, incomplete", "Present; horizontal, complete circumference", "Absent; fingernail/tip marks present"],
        ["Level of mark", "Above thyroid cartilage", "At or below thyroid cartilage", "N/A"],
        ["Depth/uniformity", "Deepest opposite the knot", "Usually even depth all around", "N/A"],
        ["Petechial haemorrhages", "Absent (typical) / Present (atypical)", "Common — above the mark", "Very common — conjunctivae + face"],
        ["Facial appearance", "Pale (typical) / Congested (atypical)", "Markedly congested and cyanosed", "Markedly congested and cyanosed"],
        ["Bone/cartilage fractures", "C2/C3 fracture (judicial hanging)", "Thyroid/hyoid cartilage", "Hyoid bone fracture very common"],
        ["Usual manner of death", "Suicide > Accident > Homicide", "Homicide > Suicide > Accident", "Almost always Homicide"],
    ],
    col_widths=[3.8, 4, 4.6, 3.6]
)
doc.add_paragraph()

add_divider()

# ─── Q11: Thanatology ────────────────────────────────────────────────────────
add_h1("Q.11  Thanatology")

add_h2("Definition")
add_body("Thanatology (Greek: Thanatos = death; logos = study) is the scientific study of death — "
         "its causes, mechanisms, definitions, and the postmortem changes occurring thereafter.")

add_h2("Scope of Thanatology")
for pt in ["Definition and certification of death",
           "Somatic death vs cellular (molecular) death",
           "Brain death — criteria and legal implications",
           "Immediate and late signs of death",
           "Cause, mechanism, and manner of death",
           "Postmortem changes — livor mortis, rigor mortis, algor mortis, decomposition",
           "Time since death (PMI) estimation",
           "Identification of dead bodies"]:
    add_bullet(pt)

add_h2("Types of Death")
add_table(
    ["Type", "Definition"],
    [
        ["Somatic (clinical) death", "Irreversible cessation of all vital functions — brain, heart, lungs"],
        ["Cellular (molecular) death", "Sequential death of individual cells/tissues over hours after somatic death"],
        ["Brain death", "Irreversible cessation of all brain functions including brainstem; specific clinical and legal criteria"],
    ],
    col_widths=[5, 11]
)
doc.add_paragraph()

add_h2("Immediate Signs of Death")
for s in ["Cessation of heartbeat and pulse",
          "Cessation of breathing (apnoea)",
          "Loss of consciousness and all reflexes",
          "Bilateral fixed, dilated pupils — unresponsive to light",
          "Loss of corneal reflex",
          "Generalised pallor of skin"]:
    add_bullet(s)

add_h2("Delayed Confirmatory Signs")
add_table(
    ["Sign", "Onset", "Nature"],
    [
        ["Postmortem lividity (livor mortis)", "1–2 hours", "Reddish-purple dependent discolouration"],
        ["Rigor mortis", "2–4 hours", "Generalised muscle stiffening"],
        ["Algor mortis", "Progressive from time of death", "Body cooling to ambient temperature"],
        ["Putrefaction", "24–48 hours (green discolouration)", "Microbial decomposition of tissues"],
    ],
    col_widths=[5, 4, 7]
)
doc.add_paragraph()

add_divider()

# ─── Q12: IPC Sections ───────────────────────────────────────────────────────
add_h1("Q.12  Important IPC Sections in Forensic Medicine")

add_table(
    ["IPC Section", "Subject"],
    [
        ["44", "Definition of injury"],
        ["84", "Act of a person of unsound mind (McNaghten's Rules)"],
        ["299", "Culpable homicide"],
        ["300", "Murder"],
        ["302", "Punishment for murder"],
        ["304-A", "Causing death by negligence (medical negligence)"],
        ["306", "Abetment of suicide"],
        ["307", "Attempt to murder"],
        ["309", "Attempt to commit suicide"],
        ["319", "Hurt / simple hurt"],
        ["320", "Grievous hurt (8 categories)"],
        ["325", "Punishment for voluntarily causing grievous hurt"],
        ["326", "Voluntarily causing grievous hurt by dangerous weapon"],
        ["354", "Assault / criminal force on a woman with intent to outrage modesty"],
        ["375", "Rape — definition"],
        ["376", "Punishment for rape"],
        ["497", "Adultery"],
        ["304-B", "Dowry death"],
        ["498-A", "Cruelty by husband or relatives"],
    ],
    col_widths=[4, 12]
)
doc.add_paragraph()

# ── References footer ─────────────────────────────────────────────────────────
add_page_break()
p = doc.add_paragraph()
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
r = p.add_run("REFERENCES")
r.bold = True; r.font.size = Pt(13); r.font.color.rgb = DARK_BLUE
add_divider()

refs = [
    "Parikh C.K. — Parikh's Textbook of Medical Jurisprudence, Forensic Medicine and Toxicology, 6th Edition.",
    "Dikshit P.C. — Textbook of Forensic Medicine and Toxicology, Latest Edition.",
    "Narayan Reddy K.S. — The Essentials of Forensic Medicine and Toxicology, 36th Edition (2026).",
    "DiMaio V.J., DiMaio D. — DiMaio's Forensic Pathology, 3rd Edition.",
    "Indian Penal Code, 1860 — Sections relevant to medical jurisprudence.",
]
for ref in refs:
    p = doc.add_paragraph(style="Normal")
    p.add_run(ref).font.size = Pt(11)
    set_spacing(p, before=2, after=4)

# ── Save ───────────────────────────────────────────────────────────────────────
out = "/tmp/workspace/forensic-medicine/MPMSU_Forensic_Medicine_Answers.docx"
doc.save(out)
print(f"Saved: {out}")
import os; print(f"Size: {os.path.getsize(out):,} bytes")

Successfully replaced 1 instance(s) of the string in '/tmp/workspace/forensic-medicine/build_doc.py'