"""Professional PDF generation for agent applications — receipts & certificates. All timestamps are rendered in Bangladesh Standard Time (UTC+6). """ import io from typing import Optional from reportlab.lib.pagesizes import A4 from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle from reportlab.lib import colors from reportlab.lib.units import mm from reportlab.platypus import ( SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle, Image, ) from reportlab.lib.enums import TA_LEFT, TA_CENTER, TA_RIGHT from reportlab.pdfgen import canvas from bd_time import fmt_bd, fmt_bd_long, now_bd_str # ── Brand palette (kept consistent with site) EMERALD = colors.HexColor("#10B981") EMERALD_DARK = colors.HexColor("#059669") NAVY = colors.HexColor("#0A1119") NAVY_LIGHT = colors.HexColor("#111C2A") SLATE_50 = colors.HexColor("#F8FAFC") SLATE_100 = colors.HexColor("#F1F5F9") SLATE_200 = colors.HexColor("#E2E8F0") SLATE_300 = colors.HexColor("#CBD5E1") SLATE_400 = colors.HexColor("#94A3B8") SLATE_500 = colors.HexColor("#64748B") SLATE_600 = colors.HexColor("#475569") SLATE_900 = colors.HexColor("#0F172A") RED = colors.HexColor("#EF4444") RED_BG = colors.HexColor("#FEF2F2") AMBER = colors.HexColor("#F59E0B") AMBER_BG = colors.HexColor("#FEF3C7") EMERALD_BG = colors.HexColor("#ECFDF5") BLUE = colors.HexColor("#3B82F6") BLUE_BG = colors.HexColor("#EFF6FF") STATUS_THEME = { "approved": {"color": EMERALD, "bg": EMERALD_BG, "label": "APPROVED", "stamp": "VERIFIED AGENT"}, "paid": {"color": BLUE, "bg": BLUE_BG, "label": "PAID · IN REVIEW", "stamp": "UNDER REVIEW"}, "rejected": {"color": RED, "bg": RED_BG, "label": "REJECTED", "stamp": "NOT APPROVED"}, "pending_payment": {"color": AMBER, "bg": AMBER_BG, "label": "PENDING PAYMENT", "stamp": "AWAITING PAYMENT"}, } def _network_label(pc: Optional[str]) -> str: return { "usdtbsc": "USDT · BEP-20 (Binance Smart Chain)", "usdttrc20": "USDT · TRC-20 (Tron)", }.get((pc or "").lower(), (pc or "—").upper()) def _on_page(site_name: str, status_label: str): """Page draw callback — adds subtle watermark + footer page number.""" def draw(canv: canvas.Canvas, doc): canv.saveState() # Diagonal watermark — only first page is enough but reportlab calls every page canv.setFont("Helvetica-Bold", 80) canv.setFillColor(SLATE_100) canv.translate(105 * mm, 150 * mm) canv.rotate(35) canv.drawCentredString(0, 0, status_label) canv.restoreState() # Footer bar canv.saveState() canv.setFillColor(SLATE_400) canv.setFont("Helvetica", 7.5) canv.drawString(15 * mm, 8 * mm, f"{site_name} · Official Application Document") canv.drawRightString( 195 * mm, 8 * mm, f"Page {canv.getPageNumber()} · Generated {now_bd_str('%d %b %Y, %I:%M %p')}", ) canv.setStrokeColor(EMERALD) canv.setLineWidth(1.2) canv.line(15 * mm, 11 * mm, 195 * mm, 11 * mm) canv.restoreState() return draw def build_application_pdf(app: dict, site_name: str = "Maxlife88 Agent Portal") -> bytes: """Generate a polished PDF receipt / certificate for an application.""" buf = io.BytesIO() doc = SimpleDocTemplate( buf, pagesize=A4, leftMargin=15 * mm, rightMargin=15 * mm, topMargin=15 * mm, bottomMargin=20 * mm, title=f"{site_name} — Application {app.get('id','')[:8]}", author=site_name, ) styles = getSampleStyleSheet() h1 = ParagraphStyle("h1", parent=styles["Heading1"], fontSize=24, textColor=SLATE_900, spaceAfter=2, leading=28, fontName="Helvetica-Bold") h2 = ParagraphStyle("h2", parent=styles["Heading2"], fontSize=11, textColor=EMERALD_DARK, spaceBefore=18, spaceAfter=10, alignment=TA_LEFT, fontName="Helvetica-Bold") body = ParagraphStyle("body", parent=styles["Normal"], fontSize=10, textColor=SLATE_600, leading=14) sub = ParagraphStyle("sub", parent=styles["Normal"], fontSize=9, textColor=SLATE_400, spaceAfter=12) status = (app.get("status") or "pending_payment").lower() theme = STATUS_THEME.get(status, STATUS_THEME["pending_payment"]) story = [] # ════════════ HERO BAND ════════════ hero_left = Paragraph( f'' f'● {site_name}
' f'' f'Official Agent Application Document · এজেন্ট আবেদনের অফিসিয়াল ডকুমেন্ট' f'', body, ) hero_right = Paragraph( f'' f'{theme["label"]}
' f'Issued {now_bd_str("%d %b %Y, %I:%M %p")}' f'', body, ) hero = Table([[hero_left, hero_right]], colWidths=[105 * mm, 75 * mm]) hero.setStyle(TableStyle([ ("TOPPADDING", (0, 0), (-1, -1), 14), ("BOTTOMPADDING", (0, 0), (-1, -1), 14), ("LEFTPADDING", (0, 0), (-1, -1), 0), ("RIGHTPADDING", (0, 0), (-1, -1), 0), ("LINEBELOW", (0, 0), (-1, -1), 2.5, EMERALD), ("VALIGN", (0, 0), (-1, -1), "MIDDLE"), ])) story.append(hero) story.append(Spacer(1, 18)) # ════════════ TITLE + STATUS PILL ════════════ short_id = (app.get("id", "") or "")[:8].upper() story.append(Paragraph( f"Agent Application · " f"#{short_id}", h1 )) story.append(Paragraph( f"Full Reference ID: {app.get('id','')}", sub, )) # Big status pill pill = Table( [[Paragraph( f'' f'● {theme["label"]}' f'', body, )]], colWidths=[180 * mm], ) pill.setStyle(TableStyle([ ("BACKGROUND", (0, 0), (-1, -1), theme["bg"]), ("BOX", (0, 0), (-1, -1), 0.8, theme["color"]), ("TOPPADDING", (0, 0), (-1, -1), 9), ("BOTTOMPADDING", (0, 0), (-1, -1), 9), ("ROUNDEDCORNERS", [4, 4, 4, 4]), ])) story.append(pill) story.append(Spacer(1, 4)) # ════════════ APPLICANT DETAILS ════════════ story.append(Paragraph("APPLICANT DETAILS · আবেদনকারীর বিবরণ", h2)) applicant_rows = [ ["Full Name", app.get("full_name", "—") or "—"], ["Email", app.get("email", "—") or "—"], ["Phone", app.get("phone", "—") or "—"], ["Username", app.get("username", "—") or "—"], ["City / Division", f"{app.get('city') or '—'}, {app.get('state') or '—'}"], ["Telegram", f"@{app.get('telegram_username') or '—'}"], ["Submitted", fmt_bd_long(app.get("created_at"))], ] applicant_tbl = Table(applicant_rows, colWidths=[48 * mm, 132 * mm]) applicant_tbl.setStyle(_kv_table_style()) story.append(applicant_tbl) # ════════════ PAYMENT DETAILS ════════════ if app.get("payment_id") or app.get("price_amount"): story.append(Paragraph("PAYMENT DETAILS · পেমেন্ট বিবরণ", h2)) price = float(app.get("price_amount") or 0) discount = float(app.get("discount_amount") or 0) base = float(app.get("base_amount") or (price + discount)) # Premium price card — dark with emerald accent price_card = Table( [[ Paragraph( f'' f'AMOUNT PAID
' f'পরিশোধিত পরিমাণ' f'', body, ), Paragraph( f'' f'${price:.2f}
' f'{(app.get("pay_currency") or "USDT").upper()}' f'', body, ), ]], colWidths=[80 * mm, 100 * mm], ) price_card.setStyle(TableStyle([ ("BACKGROUND", (0, 0), (-1, -1), NAVY), ("TOPPADDING", (0, 0), (-1, -1), 18), ("BOTTOMPADDING", (0, 0), (-1, -1), 18), ("LEFTPADDING", (0, 0), (-1, -1), 18), ("RIGHTPADDING", (0, 0), (-1, -1), 18), ("VALIGN", (0, 0), (-1, -1), "MIDDLE"), ("LINEBELOW", (0, 0), (-1, -1), 3, EMERALD), ])) story.append(price_card) story.append(Spacer(1, 10)) pay_rows = [["Base Amount", f"${base:.2f} USD"]] if discount > 0: pay_rows.append([ "Discount Applied", f"−${discount:.2f} · Coupon: {app.get('coupon_code') or '—'}", ]) pay_rows.extend([ ["Network", _network_label(app.get("pay_currency"))], ["Pay Address", app.get("pay_address") or "—"], ["Payment ID", app.get("payment_id") or "—"], ["Payment Status", (app.get("payment_status") or "—").upper()], ["Paid At", fmt_bd_long(app.get("paid_at"))], ]) pay_tbl = Table(pay_rows, colWidths=[48 * mm, 132 * mm]) pay_tbl.setStyle(_kv_table_style()) story.append(pay_tbl) # ════════════ DECISION ════════════ if app.get("decided_at") or app.get("rejection_reason") or status in ("approved", "rejected"): story.append(Paragraph("REVIEW DECISION · পর্যালোচনার সিদ্ধান্ত", h2)) decision_rows = [ ["Outcome", theme["label"]], ["Decided At", fmt_bd_long(app.get("decided_at"))], ] if app.get("rejection_reason"): decision_rows.append(["Reason", app.get("rejection_reason")]) if app.get("admin_notes"): notes = app.get("admin_notes") or "" decision_rows.append(["Admin Notes", notes[:300] + ("…" if len(notes) > 300 else "")]) dec_tbl = Table(decision_rows, colWidths=[48 * mm, 132 * mm]) dec_tbl.setStyle(_kv_table_style(highlight_first_value=theme["color"])) story.append(dec_tbl) # ════════════ CONGRATULATIONS / NEXT STEPS PANEL ════════════ if status == "approved": story.append(Spacer(1, 16)) congrats = Table( [[Paragraph( f'' f'✓ Welcome to the Maxlife88 Agent Network

' f'Your KYC has been verified and your agent account is now active. ' f'Our manager will reach out via Telegram with your credentials and onboarding details.
' f'Maxlife88 এজেন্ট নেটওয়ার্কে স্বাগতম। আপনার KYC যাচাই সম্পন্ন।' f'', body, )]], colWidths=[180 * mm], ) congrats.setStyle(TableStyle([ ("BACKGROUND", (0, 0), (-1, -1), EMERALD_BG), ("BOX", (0, 0), (-1, -1), 1, EMERALD), ("TOPPADDING", (0, 0), (-1, -1), 18), ("BOTTOMPADDING", (0, 0), (-1, -1), 18), ("LEFTPADDING", (0, 0), (-1, -1), 18), ("RIGHTPADDING", (0, 0), (-1, -1), 18), ])) story.append(congrats) # ════════════ AUTHENTICITY FOOTER NOTE ════════════ story.append(Spacer(1, 22)) notice = Paragraph( f'' f'' f'This is a system-generated document from {site_name}. ' f'Verify authenticity using the Application ID at the support portal.
' f'এটি একটি স্বয়ংক্রিয় ডকুমেন্ট। সাপোর্ট পোর্টালে Application ID দিয়ে সত্যতা যাচাই করুন।' f'', body, ) story.append(notice) doc.build( story, onFirstPage=_on_page(site_name, theme["stamp"]), onLaterPages=_on_page(site_name, theme["stamp"]), ) pdf_bytes = buf.getvalue() buf.close() return pdf_bytes def _kv_table_style(highlight_first_value=None) -> TableStyle: """Shared key-value table style used across applicant / payment / decision sections.""" style = TableStyle([ ("BACKGROUND", (0, 0), (0, -1), SLATE_50), ("TEXTCOLOR", (0, 0), (0, -1), SLATE_500), ("TEXTCOLOR", (1, 0), (1, -1), SLATE_900), ("FONTNAME", (0, 0), (0, -1), "Helvetica-Bold"), ("FONTNAME", (1, 0), (1, -1), "Helvetica"), ("FONTSIZE", (0, 0), (-1, -1), 9.5), ("LEFTPADDING", (0, 0), (-1, -1), 12), ("RIGHTPADDING", (0, 0), (-1, -1), 12), ("TOPPADDING", (0, 0), (-1, -1), 9), ("BOTTOMPADDING", (0, 0), (-1, -1), 9), ("LINEBELOW", (0, 0), (-1, -1), 0.4, SLATE_200), ("BOX", (0, 0), (-1, -1), 0.4, SLATE_200), ("VALIGN", (0, 0), (-1, -1), "MIDDLE"), ]) if highlight_first_value is not None: style.add("TEXTCOLOR", (1, 0), (1, 0), highlight_first_value) style.add("FONTNAME", (1, 0), (1, 0), "Helvetica-Bold") return style