from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.enums import TA_CENTER
from reportlab.lib.units import mm
from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, KeepTogether

OUT = "/tmp/workspace/stoma-skin-care-pdf/output/Stoma_Skin_Care_Quick_Reference.pdf"
styles = getSampleStyleSheet()

title = ParagraphStyle("title", parent=styles["Title"], fontName="Helvetica-Bold", fontSize=22, leading=26, textColor=colors.HexColor("#123B4A"), alignment=TA_CENTER, spaceAfter=4)
sub = ParagraphStyle("sub", parent=styles["Normal"], fontName="Helvetica", fontSize=9.5, leading=13, textColor=colors.HexColor("#46616A"), alignment=TA_CENTER, spaceAfter=12)
h = ParagraphStyle("h", parent=styles["Heading2"], fontName="Helvetica-Bold", fontSize=12, leading=15, textColor=colors.white)
body = ParagraphStyle("body", parent=styles["BodyText"], fontName="Helvetica", fontSize=9.3, leading=12.5, textColor=colors.HexColor("#182B32"), spaceAfter=3)
small = ParagraphStyle("small", parent=body, fontSize=8, leading=10.2, textColor=colors.HexColor("#49616A"))
warn = ParagraphStyle("warn", parent=body, fontName="Helvetica-Bold", fontSize=9.3, leading=12.5, textColor=colors.HexColor("#7C2518"))

def p(text, style=body):
    return Paragraph(text, style)

def section(label, rows, color="#16756D"):
    header = Table([[p(label, h)]], colWidths=[174 * mm], style=[
        ("BACKGROUND", (0, 0), (-1, -1), colors.HexColor(color)),
        ("LEFTPADDING", (0, 0), (-1, -1), 7), ("RIGHTPADDING", (0, 0), (-1, -1), 7),
        ("TOPPADDING", (0, 0), (-1, -1), 4), ("BOTTOMPADDING", (0, 0), (-1, -1), 4),
    ])
    content = Table([[p(a), p(b)] for a, b in rows], colWidths=[55 * mm, 119 * mm], style=[
        ("BACKGROUND", (0, 0), (-1, -1), colors.HexColor("#F3F8F7")),
        ("GRID", (0, 0), (-1, -1), 0.25, colors.HexColor("#C9DFDA")),
        ("VALIGN", (0, 0), (-1, -1), "TOP"),
        ("LEFTPADDING", (0, 0), (-1, -1), 7), ("RIGHTPADDING", (0, 0), (-1, -1), 7),
        ("TOPPADDING", (0, 0), (-1, -1), 5), ("BOTTOMPADDING", (0, 0), (-1, -1), 5),
    ])
    return KeepTogether([header, content])

doc = SimpleDocTemplate(OUT, pagesize=A4, rightMargin=18*mm, leftMargin=18*mm, topMargin=13*mm, bottomMargin=13*mm)
story = [
    p("STOMA SKIN CARE", title),
    p("Quick reference for colostomy, ileostomy, and urostomy pouch users", sub),
    section("1. WHAT HEALTHY LOOKS LIKE", [
        ("<b>Stoma</b>", "Usually pink to red and moist. A small amount of bleeding with gentle cleaning can occur."),
        ("<b>Skin around it</b>", "Intact, dry, and comfortable. It should not stay red, raw, itchy, painful, or weepy."),
    ]),
    section("2. EVERY POUCH CHANGE", [
        ("<b>1. Remove gently</b>", "Lift the barrier edge while supporting the skin. Use warm water or adhesive remover if needed."),
        ("<b>2. Clean simply</b>", "Use warm water and mild soap if desired. Remove residue, then dry the skin completely."),
        ("<b>3. Check your skin</b>", "Look for leakage, redness, broken skin, rash, bumps, itching, or a change in stoma shape."),
        ("<b>4. Measure and fit</b>", "Cut the skin-barrier opening to fit closely around the base of the stoma. Do not leave exposed skin next to it."),
        ("<b>5. Apply and seal</b>", "Press the barrier into place and hold briefly with warm hands. Change promptly if leakage occurs."),
    ]),
    section("3. IF SKIN IS SORE OR WET", [
        ("<b>First: stop leakage</b>", "Most irritation comes from stool or urine contacting skin. Re-measure the stoma and assess the barrier fit."),
        ("<b>Stoma powder</b>", "For superficial open, moist, or weepy areas: lightly dust with purpose-made stoma powder, then brush off extra. Too much powder reduces adhesion. Stop when skin recovers."),
        ("<b>Uneven skin or leaks</b>", "A barrier ring, paste, or convex system may help, but seek advice from a WOC/ET or stoma nurse for the right fit."),
        ("<b>Do not use</b>", "Avoid home remedies, raw egg white, oils, alcohol-containing products, talc, or creams under the barrier unless prescribed or recommended by your stoma nurse."),
    ], "#2D6E9E"),
    section("4. WHEN TO GET HELP", [
        ("<b>Contact a stoma nurse soon</b>", "Skin is not improving after 1 to 2 weeks, the pouch will not seal for 24 hours, or you have repeated leakage, persistent itching, a spreading rash, or pain."),
        ("<b>Seek urgent medical advice</b>", "The stoma becomes dark purple, blue, black, very pale, severely swollen, stops functioning with severe cramping/vomiting, or there is heavy or persistent bleeding."),
        ("<b>Possible infection or allergy</b>", "Red bumps, itching, worsening rash, blisters, pus, fever, or a rash matching the adhesive/tape need assessment."),
    ], "#A34A3B"),
    Spacer(1, 7),
    Table([[p("<b>Key message:</b> Healthy peristomal skin depends mainly on a close-fitting barrier and prompt correction of leaks.", warn)]], colWidths=[174*mm], style=[
        ("BACKGROUND", (0, 0), (-1, -1), colors.HexColor("#FFF3E8")), ("BOX", (0, 0), (-1, -1), 0.5, colors.HexColor("#E6A56B")),
        ("LEFTPADDING", (0, 0), (-1, -1), 8), ("RIGHTPADDING", (0, 0), (-1, -1), 8), ("TOPPADDING", (0, 0), (-1, -1), 6), ("BOTTOMPADDING", (0, 0), (-1, -1), 6),
    ]),
    Spacer(1, 7),
    p("<b>Sources:</b> WOCN Society, Peristomal Skin Assessment Guide for Consumers (accessed 29 Sep 2026); <i>Fischer's Mastery of Surgery</i>, 8th ed., Peristomal Skin Care, p. 3835; Hollister, Peristomal Skin Care patient guide. This handout supports, but does not replace, advice from your surgeon or stoma nurse.", small),
]
doc.build(story)
print(OUT)