#let format_invoice_num(num, pre:4) = {
	let a = calc.max(0,pre - str(num).len())
	return a*"0" + str(num)
}

#let format_num(num, decimal: ".", thousands: "'") = {
	let parts = str(num).split(".")
	let decimal_part = if parts.len() == 2 { parts.at(1) }
	let integer_part = parts.at(0).rev().clusters().enumerate()
		.map((item) => {
			let (index, value) = item
			return value + if calc.rem(index, 3) == 0 and index != 0 {
				thousands
			}
		}).rev().join("")
	// TODO
	return integer_part + if decimal_part != none { decimal + decimal_part }
}


#let translations = (
  français: (
    sender: "ÉMETTEUR",
    recipient: "DESTINATAIRE",
    invoice: "FACTURE",
    invoice_number: "Facture N° :",
    date: "Date :",
    due_date: "Échéance :",
    description: "Description",
    amount: "Montant",
    total: "Total :",
    vat_notice: "Association non soumise à la TVA selon l'Art. 10 LTVA",
    payment_terms: "Cette facture est payable dans les 30 jours suivant sa réception.",
    banking_info: "COORDONNÉES BANCAIRES",
    bank: "Banque :",
    account_holder: "Titulaire :",
    account_notice: "Compte au nom d'un membre de l'association",
    association_notice: "Association à but non lucratif non inscrite au registre du commerce",
  ),
  deutsch: (
    sender: "ABSENDER",
    recipient: "EMPFÄNGER",
    invoice: "RECHNUNG",
    invoice_number: "Rechnungs-Nr.:",
    date: "Datum:",
    due_date: "Fälligkeitsdatum:",
    description: "Beschreibung",
    amount: "Betrag",
    total: "Gesamtbetrag:",
    vat_notice: "Verein nicht mehrwertsteuerpflichtig gemäß Art. 10 MWSTG",
    payment_terms: "Diese Rechnung ist innerhalb von 30 Tagen nach Erhalt zu bezahlen.",
    banking_info: "BANKVERBINDUNG",
    bank: "Bank:",
    account_holder: "Kontoinhaber:",
    account_notice: "Konto auf den Namen eines Vereinsmitglieds",
    association_notice: "Gemeinnütziger Verein, nicht im Handelsregister eingetragen",
  ),
  english: (
    sender: "FROM",
    recipient: "TO",
    invoice: "INVOICE",
    invoice_number: "Invoice No.:",
    date: "Date:",
    due_date: "Due date:",
    description: "Description",
    amount: "Amount",
    total: "Total:",
    vat_notice: "Association not subject to VAT according to Art. 10 VAT Act",
    payment_terms: "This invoice is payable within 30 days of receipt.",
    banking_info: "BANKING DETAILS",
    bank: "Bank:",
    account_holder: "Account holder:",
    account_notice: "Account in the name of an association member",
    association_notice: "Non-profit association not registered in the commercial register",
  ),
)

#let bank_wise_eur = [
	#let t = translations.at("english", default: translations.français)
	#grid(
		columns:(auto, auto),
		align:(right,left),
		column-gutter: 1em,
		row-gutter: .5em,
		[#t.bank],[ Wise, Rue du Trône 100, 3rd floor, Brussels, 1050, Belgium],
		[IBAN:],[*BE22905094540247*],
		[BIC/SWIFT:],[ TRWIBEB1XXX],
		[#t.account_holder],[ Robin Szymczak],
		[],[#t.account_notice],
	)
	// #t.bank Wise, Rue du Trône 100, 3rd floor, Brussels, 1050, Belgium\
	// IBAN: BE22905094540247\
	// BIC/SWIFT: TRWIBEB1XXX\
	// #t.account_holder Robin Szymczak\
]

#let bank_wise_chf = [
	#let t = translations.at("english", default: translations.français)
	#grid(
		columns:(auto, auto),
		align:(right,left),
		column-gutter: 1em,
		row-gutter: .5em,
		[#t.bank],[ Wise Payments Limited, 1st Floor, Worship Square, 65 Clifton Street, London, EC2A 4JE, United Kingdom ],
		[IBAN:],[*GB51TRWI23080140876698*],
		[BIC/SWIFT:],[ TRWIGB2LXXX ],
		[#t.account_holder],[ Robin Szymczak ],
		[],[#t.account_notice],
	)
]

// on stock en centimes, et on arrondit
#let chf(value) = (CHF:calc.round(value*100)/100)
#let eur(value) = (EUR:calc.round(value*100)/100)
#let usd(value) = (USD:calc.round(value*100)/100)
// #let money(value,currency) = (value:decimal(value),currency:currency)
// #let money_add(m1,m2) = if m1.currency != m2.currency : fail
#let money_render(m) = {

	let cs = m.keys().sorted().map(currency => {
		let value = m.at(currency)
		let a = int(value)
		let b1 = int(100*(value - a))
		let b0 = if b1 < 10 [0] else []
		let b = [#b0#b1]
		let c = currency
		return [#format_num(a)\.#b #c]
	})
	cs.join([ \+ ])
}

#let invoice_thing(price,description) = (price:price,description:description)
#let invoice_enumerate(start:0, invoice_data) = invoice_data.enumerate(start:start).map(e => {
	e.at(1).invoice_number=format_invoice_num(e.at(0))
	e.at(1)
})

#let invoice_render(
	invoice,
	language: "english", // Options: "français", "deutsch", "english"
) = [
	#set page(
		footer: align(center)[
			#line(length: 100%, stroke: 0.5pt + gray)
			#text(size:9pt)[Cheap Motion Pictures - 1 rue de l'Ale - 1003 Lausanne - contact\@cheapmo.ch]
		],
	)
	#set text(font: "Arial", size: 11pt)

	// Sélection du dictionnaire en fonction de la langue
	#let t = translations.at(language, default: translations.français)

	// Titre et informations de la facture
	#grid(
		columns: (auto,1fr, 1fr),
		gutter:10pt,
		image("cheapmo-logo.png",width:60pt),
		align(left)[
			#text(weight: "bold", size: 14pt)[Cheap Motion Pictures ]\
			#text(style: "italic")[#t.association_notice]
		],
		align(right)[
			#t.invoice_number *2025-#(invoice.invoice_number)*\
			#t.date      #(invoice.date                     ).display("[day]/[month]/[year]")\
			#t.due_date *#(invoice.date + duration(days: 30)).display("[day]/[month]/[year]")*\
		],
	)

	#v(15pt)

	#grid(
		columns: (1fr, 1fr),

		// Informations de l'émetteur
		align(left)[
			#par(text(weight: "bold", size: 14pt)[#t.sender])
			Cheap Motion Pictures\
			Rue de l'Ale 1\
			1003 Lausanne, Suisse\
			Tél: +41 77 471 11 34\
			Email: contact\@cheapmo.ch
		],

		// Informations du destinataire
		align(right)[
			#par(text(weight: "bold", size: 14pt)[#t.recipient])
			#invoice.recipient.name\
			#invoice.recipient.adress\
			#invoice.recipient.postal_code #invoice.recipient.town, #invoice.recipient.country
			#if invoice.recipient.vat_number != none [VAT:  #invoice.recipient.vat_number] else []
		],
	)
	#let things = invoice.invoice.fold((),(l,e)=>(..l,e.description,money_render(e.price)))
	#let total = money_render(invoice.invoice.fold((:),(l,e)=> {
		for currency in e.price.keys() {
			l.insert(currency, l.at(currency,default:0) + e.price.at(currency))
		}
		return l
	}))

	#v(15pt)

	#table(
		columns: (1fr, auto),
		inset: (x:10pt,y:8pt),
		align: (left, right),
		table.header(
			table.cell(fill:rgb(245, 245, 245))[*#t.description*],
			table.cell(fill:rgb(245, 245, 245))[*#t.amount* ],
		),
		..things,
		table.cell(fill:silver,align:right)[TOTAL],
		table.cell(fill:silver,align:right)[*#total*]
	)

	#v(15pt)

	// Informations complémentaires
	#t.vat_notice \
	#t.payment_terms

	// Coordonnées bancaires avec notification spéciale
	= #t.banking_info
	#invoice.bank

	#if invoice.recu {
		place(horizon+center,rotate(-60deg,text(fill:red.transparentize(50%),size:300pt,[PAID]),reflow:true))
	}
]

#let invoice_render_bilan(invoices) = {
	let content = ()
	for invoice in invoices {
		let total = money_render(invoice.invoice.fold((:),(l,e)=> {
			for currency in e.price.keys() {
				l.insert(currency, l.at(currency,default:0) + e.price.at(currency))
			}
			return l
		}))

		content.push(invoice.recipient.name)
		content.push([2025-#invoice.invoice_number])
		content.push([#total])
		content.push([])
		// #table(
			// [#i.recipient.name],
			// [#i.invoice],
		// )
	}
	table(
		columns: (1fr, auto, auto, auto),
		align: (auto, auto, right, right),
		[*name*],[*invoice*],[*amount*],[*received*],
		..content
	)
}