Rechnung

import sys
import json
from reportlab.lib.pagesizes import letter
from reportlab.pdfgen import canvas
from reportlab.lib import colors

def create_invoice(invoice_data, filename):
    c = canvas.Canvas(filename, pagesize=letter)
    c.setLineWidth(.3)
    c.setFont('Helvetica', 12)
    width, height = letter  # Canvas size for layout calculations

    # Set colors for design
    black = colors.black
    green = colors.green

    # Draw the Logo
    c.drawInlineImage('C:\\Projekte\\rechnung\\MSLogo.png', 30, height - 80, width=100, height=50)



    # Set provider and customer data
    provider_x = 30
    customer_x = 400
    info_y = height - 130
    c.setFillColor(black)
    c.drawString(provider_x, info_y, invoice_data["provider_name"])
    c.drawString(provider_x, info_y - 15, invoice_data["provider_address"])
    c.drawString(provider_x, info_y - 30, 'Mobil: ' + invoice_data["provider_mobile"])
    c.drawString(provider_x, info_y - 45, 'E-Mail: ' + invoice_data["provider_email"])

    # Adjusted customer data layout
    c.drawString(customer_x, info_y, invoice_data["customer_name"])
    c.drawString(customer_x, info_y - 15, invoice_data["customer_address_line1"])
    c.drawString(customer_x, info_y - 30, invoice_data["customer_address_line2"])
    c.drawString(customer_x, info_y - 45, 'Mobil: ' + invoice_data["customer_mobile"])

    # Rechnungsnummer, Datum und Kundennummer
    info_y = height - 200
    c.drawString(provider_x, info_y, 'Rechnungsnummer: ' + invoice_data["invoice_number"])
    c.drawString(provider_x, info_y - 15, 'Datum: ' + invoice_data["date"])
    c.drawString(provider_x, info_y - 30, 'Kundennummer: ' + invoice_data["customer_number"])

    # Leistungsdetails
    service_y = info_y - 80
    c.drawString(provider_x, service_y, 'Bezeichnung')
    c.drawString(provider_x + 200, service_y, 'Dauer')
    c.drawString(provider_x + 300, service_y, 'Beschreibung')
    c.drawString(475, service_y, 'Preis')
    c.drawString(530, service_y, 'Total')

    # Draw line
    c.setStrokeColor(green)
    c.line(30, service_y - 5, 580, service_y - 5)

    for item in invoice_data["items"]:
        service_y -= 20
        c.setFillColor(black)
        c.drawString(provider_x, service_y, item["title"])
        c.drawString(provider_x + 200, service_y, item["description"])
        c.drawString(provider_x + 300, service_y, 'siehe Inhalt 1. Gespräch')
        c.drawString(475, service_y, "{:.2f} €".format(item["price"]))
        c.drawString(530, service_y, "{:.2f} €".format(item["total"]))

    # Draw line after items
    c.setStrokeColor(green)
    c.line(30, service_y - 5, 580, service_y - 5)

     # Total
    c.setFillColor(black)
    total_label = 'Gesamt Brutto:'
    total_value = "{:.2f} €".format(invoice_data["total"])
    total_label_x = 430
    total_value_x = 530
    total_y = service_y - 20

    c.drawString(total_label_x, total_y, total_label)
    c.drawString(total_value_x, total_y, total_value)

    # Draw underline for total
    underline_start = total_label_x
    underline_end = total_value_x + c.stringWidth(total_value, 'Helvetica', 12)
    underline_y = total_y - 3
    c.setStrokeColor(black)
    c.line(underline_start, underline_y, underline_end, underline_y)

    # Activity description
    c.setFont('Helvetica', 10)
    tätigkeitsbeschreibung_y = service_y - 40
    c.drawString(provider_x, tätigkeitsbeschreibung_y, "Inhalte 1. Gespräch:")
    beschreibungen = [
        "- Gemeinsame Zielsetzung inkl.realistischer Bewertung",
        "- Individuelle Betrachtung des Ist Zustandes.",
        "- Beantworten von Fragen zur Beratung bzw. des Projektes (Gesamtdauer, Abrechnung usw.)",
        "- Bewusstsein schaffen, Eigenverantwortung vermitteln!",
        "  Was ist nötig um das gewählte Ziel zu erreichen?",
        "- Ausstieg möglich! Nur 100 Euro investiert! (Schutz vor möglichen Fehlentscheidungen, Fehlkäufen usw.)"
    ]

    for beschreibung in beschreibungen:
        tätigkeitsbeschreibung_y -= 15
        c.drawString(provider_x, tätigkeitsbeschreibung_y, beschreibung)

    # Additional Info
    additional_info_y = tätigkeitsbeschreibung_y - 30
    c.drawString(provider_x, additional_info_y, "Gemäß § 19 UStG wird keine Umsatzsteuer berechnet!")
    c.drawString(provider_x, additional_info_y - 15, "Zahlung innerhalb von 14 Tagen ohne Abzug!")
    c.drawString(provider_x, additional_info_y - 30, "Bitte geben Sie als Verwendungszweck die Rechnungsnummer und Ihren Namen/Kundennummer an!")

    # Footer info
    c.setFont('Helvetica', 9)
    bank_info_start_y = contact_info_start_y = 80

    # Bank info
    bank_info_lines = [
        'Steuernummer: 020/263/02334',
        'Bank: Vereinigte Volksbank eG',
        'IBAN: DE71 5909 2000 5548 8802 05',
        'BIC: GENODE51SB2'
    ]
    right_margin = 30
    bank_info_x = width - right_margin
    for line in bank_info_lines:
        text_width = c.stringWidth(line, 'Helvetica', 9)
        c.drawString(bank_info_x - text_width, bank_info_start_y, line)
        bank_info_start_y -= 15

    # Kontaktinformationen
    contact_info_lines = [
        'Ernährungsberatung - beispiel',
        'Mühlenteich 30',
        '66674 beispielshausen',
        'Mobil: 0170-2544545',
        'Email: beispiel@gmail.com'
    ]
    left_margin = 30
    contact_info_x = left_margin
    for line in contact_info_lines:
        c.drawString(contact_info_x, contact_info_start_y, line)
        contact_info_start_y -= 15

    # Spruch
    spruch = "Ihr Weg - unsere Unterstützung!"
    spruch_font_size = 14
    c.setFont('Helvetica', spruch_font_size)
    text_width = c.stringWidth(spruch, 'Helvetica', spruch_font_size)
    c.drawString((width - text_width) / 2.0, 230, spruch)

    # New section between slogan and footer
    slogan_y = 160
    c.setFont('Helvetica', 12)
    phrases = ["ENTSCHEIDUNG", "BERATUNG", "VERÄNDERUNG", "ERFOLG"]

    # Set starting and ending x positions
    start_x = left_margin
    end_x = width - right_margin - c.stringWidth(phrases[-1], 'Helvetica', 12)

    # Calculate the total width of the middle words
    middle_words_width = sum(c.stringWidth(word, 'Helvetica', 12) for word in phrases[1:-1])
    # Calculate the space available excluding the width of the middle words
    available_space = end_x - start_x - c.stringWidth(phrases[0], 'Helvetica', 12)
    # Calculate the gaps between the words
    gap = (available_space - middle_words_width) / 3

    # Draw the first word at the start
    c.setFillColor(black)
    c.drawString(start_x, slogan_y, phrases[0])

    # Draw the middle words with equal gaps
    current_x = start_x + c.stringWidth(phrases[0], 'Helvetica', 12) + gap
    for word in phrases[1:-1]:
        c.setFillColor(green if word == "BERATUNG" else black)
        c.drawString(current_x, slogan_y, word)
        current_x += c.stringWidth(word, 'Helvetica', 12) + gap

    # Draw the last word at the end
    c.setFillColor(green)
    c.drawString(end_x, slogan_y, phrases[-1])

    c.save()

# Daten für die Rechnung
invoice_data = {
    "provider_name": "Nico Rosar",
    "provider_address": "Mühlenteich 30, 66674 beispiel",
    "provider_mobile": "0170 | 29 25 451",
    "provider_email": "beispiel@gmail.com",
    "customer_name": "Julian Klasen",
    "customer_address_line1": "Bachstraße 103",
    "customer_address_line2": "66674 beispiel",
    "customer_mobile": "017162581251",
    "date": "06.09.2023",
    "invoice_number": "001",
    "customer_number": "K003",
    "items": [
        {
            "title": "Ernährungsberatung Gespräch 1",
            "description": "ca. 2 Stunden",
            "price": 100.00,
            "total": 100.00
        }
    ],
    "total": 100.00
}

# Rechnung erstellen
create_invoice(invoice_data, 'Rechnung_Gespraech1.pdf')