from reportlab.lib.pagesizes import A4, landscape
from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.platypus import (
    SimpleDocTemplate, Table, TableStyle, Paragraph, Spacer, PageBreak
)
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.platypus import HRFlowable

OUTPUT = "/tmp/workspace/review-of-literature/Review_of_Literature.pdf"

doc = SimpleDocTemplate(
    OUTPUT,
    pagesize=landscape(A4),
    leftMargin=1.2*cm,
    rightMargin=1.2*cm,
    topMargin=1.5*cm,
    bottomMargin=1.5*cm,
    title="Review of Literature – Dry Needling & Strain Counterstrain",
)

styles = getSampleStyleSheet()

# Custom styles
header_style = ParagraphStyle(
    "HeaderStyle",
    parent=styles["Normal"],
    fontSize=7,
    fontName="Helvetica-Bold",
    textColor=colors.white,
    alignment=TA_CENTER,
    leading=9,
    spaceAfter=0,
)

cell_style = ParagraphStyle(
    "CellStyle",
    parent=styles["Normal"],
    fontSize=6.5,
    fontName="Helvetica",
    textColor=colors.black,
    alignment=TA_LEFT,
    leading=8.5,
    spaceAfter=0,
)

cell_center = ParagraphStyle(
    "CellCenter",
    parent=cell_style,
    alignment=TA_CENTER,
    fontName="Helvetica-Bold",
    fontSize=7,
)

title_style = ParagraphStyle(
    "TitleStyle",
    parent=styles["Title"],
    fontSize=14,
    fontName="Helvetica-Bold",
    textColor=colors.HexColor("#1a3a5c"),
    alignment=TA_CENTER,
    spaceAfter=6,
)

subtitle_style = ParagraphStyle(
    "SubtitleStyle",
    parent=styles["Normal"],
    fontSize=9,
    fontName="Helvetica",
    textColor=colors.HexColor("#444444"),
    alignment=TA_CENTER,
    spaceAfter=12,
)

# Table data
headers = ["Sr.\nNo.", "Title", "Author\n(Year)", "Aim", "Methodology", "Outcome\nMeasures", "Conclusion"]

data_rows = [
    [
        "1",
        "Effectiveness of Dry Needling for Myofascial Trigger Points Associated with Neck Pain Symptoms: An Updated Systematic Review and Meta-analysis",
        "Navarro-Santana\net al. (2020)",
        "To evaluate the effectiveness of dry needling for neck pain associated with myofascial trigger points.",
        "Systematic review and meta-analysis of 28 RCTs comparing dry needling with sham, manual therapy, exercise, or no treatment.",
        "Pain intensity (VAS/NPRS), Neck Disability Index (NDI), Pressure Pain Threshold (PPT), Cervical ROM.",
        "Dry needling significantly reduced pain and disability in the immediate and short term, but evidence for improving cervical ROM was limited.",
    ],
    [
        "2",
        "Effectiveness of Dry Needling in Improving Pain and Function in Comparison with Other Techniques in Patients with Chronic Neck Pain: A Systematic Review and Meta-analysis",
        "Fernández-de-las-Peñas\net al. (2023)",
        "To compare dry needling with other physiotherapy interventions in chronic neck pain.",
        "Systematic review and meta-analysis of 14 RCTs.",
        "VAS, NDI, Cervical ROM.",
        "Dry needling improved pain and function compared with several other physiotherapy techniques. No serious adverse events were reported.",
    ],
    [
        "3",
        "Dry Needling for Mechanical Neck Pain: A Systematic Review and Meta-analysis of Randomized Controlled Trials",
        "Aleid et al.\n(2025)",
        "To determine the efficacy of dry needling in chronic mechanical neck pain.",
        "Systematic review of 9 RCTs (540 participants).",
        "PPT, NDI, Cervical ROM.",
        "Dry needling improved pain pressure threshold and disability and produced modest improvements in some cervical movements, mainly in the short term.",
    ],
    [
        "4",
        "Deep Versus Superficial Dry Needling for Neck Pain: A Systematic Review of Randomised Clinical Trials",
        "Alhakami et al.\n(2025)",
        "To compare deep and superficial dry needling in adults with neck pain.",
        "Systematic review of 8 RCTs.",
        "Pain intensity, Functional disability.",
        "Both techniques improved pain and disability, with no clinically meaningful difference between deep and superficial dry needling.",
    ],
    [
        "5",
        "Efficacy of Dry Needling in Neck Pain Compared with Other Physiotherapy Techniques: A Systematic Review",
        "Callejas-Marcos\net al. (2019)",
        "To evaluate the efficacy of dry needling compared with other physiotherapy interventions.",
        "Systematic review of randomized clinical trials.",
        "Pain, Disability, Cervical ROM.",
        "Dry needling is effective for reducing neck pain, particularly when combined with therapeutic exercise, but further high-quality trials are needed.",
    ],
    [
        "6",
        "Strain-Counterstrain to Treat Restrictions of the Mobility of the Cervical Spine in Patients with Neck Pain: A Sham-Controlled Randomized Trial",
        "Klein R., Bareis A.,\nSchneider A.,\nLinde K. (2013)",
        "To determine whether a single Strain Counterstrain treatment improves cervical mobility and pain compared with sham treatment.",
        "Randomized, sham-controlled trial; 61 adults with neck pain and restricted cervical ROM received either one SCS session or sham treatment.",
        "Cervical ROM (CROM), Pain Intensity, Global Treatment Effect.",
        "A single SCS session did not produce significantly greater immediate improvements than sham in cervical ROM or pain. However, patients improved after subsequent individualized osteopathic treatment.",
    ],
    [
        "7",
        "Strain-Counterstrain Technique versus Kinesio Tape in Treating Patients with Myofascial Neck Pain Syndrome",
        "Abd El-Aziz\net al. (2018)",
        "To compare the effectiveness of SCS and Kinesio Taping in patients with myofascial neck pain syndrome.",
        "Randomized comparative study; 45 patients divided into SCS, Kinesio Tape, and control groups; treatment for 2 weeks (3 sessions/week).",
        "VAS, Cervical ROM, Neck Disability Index (NDI).",
        "Both interventions improved pain and function, but SCS produced significant reductions in pain and improved cervical function compared with the control group.",
    ],
    [
        "8",
        "Influence of Adding Strain-Counterstrain to Standard Therapy on Axioscapular Muscles Amplitude and Fatigue in Mechanical Neck Pain: A Single-Blind Randomized Trial",
        "El-Khateeb &\nMahmoud (2022)",
        "To investigate the effect of adding Strain Counterstrain to conventional physiotherapy in patients with mechanical neck pain.",
        "Single-blind RCT. Two groups: conventional physiotherapy alone vs conventional physiotherapy + SCS.",
        "VAS, NDI, Surface EMG, Muscle Fatigue.",
        "Adding SCS to conventional therapy significantly improved pain, muscle activity, fatigue, and functional disability compared with conventional therapy alone.",
    ],
    [
        "9",
        "Effect of Strain Counter-strain Technique versus Conventional Physiotherapy on Acute Non-specific Neck Pain and Disability among College Amateurs: A Randomised Controlled Trial",
        "Baranwal, Mathur,\nYogeshwar, Singh\net al. (2026)",
        "To compare Strain Counterstrain with conventional physiotherapy in acute non-specific neck pain.",
        "Randomized controlled trial. Two treatment groups received either SCS or conventional physiotherapy.",
        "VAS, NDI, Cervical ROM (CROM).",
        "The SCS group showed significantly greater reductions in pain and disability and better cervical ROM than conventional physiotherapy.",
    ],
    [
        "10",
        "Strain Counter-strain Technique versus Kinesio Tape in Treating Patients with Myofascial Neck Pain Syndrome",
        "M. Abd El-Aziz\net al. (2018)",
        "To compare strain counterstrain and kinesio tape interventions in myofascial neck pain syndrome.",
        "Randomized comparative study evaluating two active interventions against a control in myofascial neck pain.",
        "VAS, Cervical ROM, NDI.",
        "Both SCS and Kinesio Tape produced improvements; SCS demonstrated significant benefits in pain reduction and cervical function over the control.",
    ],
]

# Column widths (landscape A4 usable ≈ 25.7 cm)
col_widths = [1.0*cm, 4.8*cm, 2.8*cm, 3.8*cm, 4.2*cm, 3.6*cm, 5.0*cm]

# Build table content with Paragraphs
table_data = [[Paragraph(h, header_style) for h in headers]]
for row in data_rows:
    sr = row[0]
    built = [Paragraph(sr, cell_center)]
    for cell in row[1:]:
        built.append(Paragraph(cell, cell_style))
    table_data.append(built)

# Alternating row colors
HEADER_BG = colors.HexColor("#1a3a5c")
ROW_ODD   = colors.HexColor("#eaf2fb")
ROW_EVEN  = colors.white
GRID      = colors.HexColor("#b0c4de")

row_styles = []
for i in range(1, len(table_data)):
    bg = ROW_ODD if i % 2 == 1 else ROW_EVEN
    row_styles.append(("BACKGROUND", (0, i), (-1, i), bg))

table = Table(table_data, colWidths=col_widths, repeatRows=1)
table.setStyle(TableStyle([
    # Header
    ("BACKGROUND", (0, 0), (-1, 0), HEADER_BG),
    ("TEXTCOLOR",  (0, 0), (-1, 0), colors.white),
    ("FONTNAME",   (0, 0), (-1, 0), "Helvetica-Bold"),
    ("FONTSIZE",   (0, 0), (-1, 0), 7.5),
    ("ALIGN",      (0, 0), (-1, 0), "CENTER"),
    ("VALIGN",     (0, 0), (-1, 0), "MIDDLE"),
    ("BOTTOMPADDING", (0, 0), (-1, 0), 6),
    ("TOPPADDING",    (0, 0), (-1, 0), 6),
    # Body
    ("FONTNAME",   (0, 1), (-1, -1), "Helvetica"),
    ("FONTSIZE",   (0, 1), (-1, -1), 6.5),
    ("VALIGN",     (0, 1), (-1, -1), "TOP"),
    ("TOPPADDING", (0, 1), (-1, -1), 4),
    ("BOTTOMPADDING", (0, 1), (-1, -1), 4),
    ("LEFTPADDING",   (0, 0), (-1, -1), 4),
    ("RIGHTPADDING",  (0, 0), (-1, -1), 4),
    # Grid
    ("GRID",       (0, 0), (-1, -1), 0.4, GRID),
    ("BOX",        (0, 0), (-1, -1), 1.0, colors.HexColor("#1a3a5c")),
    # Sr No column center
    ("ALIGN",      (0, 1), (0, -1), "CENTER"),
    ("FONTNAME",   (0, 1), (0, -1), "Helvetica-Bold"),
] + row_styles))

# Build story
story = []

story.append(Paragraph("Review of Literature", title_style))
story.append(Paragraph(
    "Articles 1–10 | Dry Needling & Strain Counterstrain Techniques in Neck Pain",
    subtitle_style
))
story.append(HRFlowable(width="100%", thickness=1.5, color=colors.HexColor("#1a3a5c"), spaceAfter=10))
story.append(table)

doc.build(story)
print(f"PDF saved to: {OUTPUT}")