from reportlab.lib.pagesizes import A5
from reportlab.lib import colors
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph, Spacer
from reportlab.lib.styles import getSampleStyleSheet

def create_receipt(text, file_name):
    # Nettoyage basique
    clean = text.replace('*', '').replace('#', '').replace('Reçu', '')

    # Extraction des champs simples
    lines = [l.strip() for l in clean.split("\n") if l.strip()]
    data_map = {}
    description_lines = []

    for l in lines:
        if ":" in l:
            key, val = l.split(":", 1)
            data_map[key.strip()] = val.strip()
        else:
            description_lines.append(l)

    # Données extraites
    client = data_map.get("Client", "")
    telephone = data_map.get("Téléphone", "")
    adresse = data_map.get("Adresse", "")
    date_commande = data_map.get("Date de commande", "")
    delai = data_map.get("Délai de livraison estimé", "")

    # Description brute (ex: "3 iPhone (1 rouge, 2 blancs)")
    description = " ".join(description_lines)

    # Styles
    styles = getSampleStyleSheet()
    title_style = styles["Title"]
    normal = styles["Normal"]

    # Création du document
    doc = SimpleDocTemplate(file_name, pagesize=A5,
                            leftMargin=25, rightMargin=25, topMargin=25, bottomMargin=25)

    elements = []

    # Titre
    elements.append(Paragraph("FACTURE", title_style))
    elements.append(Spacer(1, 12))

    # Informations client
    info_block = (
        f"<b>Client :</b> {client}<br/>"
        f"<b>Téléphone :</b> {telephone}<br/>"
        f"<b>Adresse :</b> {adresse}<br/>"
        f"<b>Date de commande :</b> {date_commande}<br/>"
        f"<b>Délai de livraison estimé :</b> {delai}<br/>"
    )
    elements.append(Paragraph(info_block, normal))
    elements.append(Spacer(1, 18))

    # Tableau détaillé
    table_data = [
        ["Description", "Quantité"],
        [description, description.split()[0] if description.split()[0].isdigit() else ""]
    ]

    table = Table(table_data, colWidths=[200, 60])

    table.setStyle(
        TableStyle([
            ("BACKGROUND", (0, 0), (-1, 0), colors.lightgrey),
            ("TEXTCOLOR", (0, 0), (-1, 0), colors.black),
            ("ALIGN", (1, 1), (-1, -1), "CENTER"),
            ("VALIGN", (0, 0), (-1, -1), "MIDDLE"),
            ("BOX", (0, 0), (-1, -1), 1, colors.black),
            ("GRID", (0, 0), (-1, -1), 0.5, colors.grey),
            ("FONTSIZE", (0, 0), (-1, -1), 10),
        ])
    )

    elements.append(table)
    elements.append(Spacer(1, 24))

    # Mention finale
    elements.append(Paragraph("Merci pour votre commande.", normal))

    # Génération du PDF
    doc.build(elements)