/**
 * Template "Minimal" — noir et blanc, aéré, aucun ornement.
 *
 * Cible : indépendants, designers, profils qui veulent un rendu Apple-clean.
 * L'accent color n'est utilisé que pour le numéro de facture (sobre).
 * Pas de filets, beaucoup d'espace blanc, typographie en valeur.
 */

import React from 'react'
import { Document, Page, View, Text, Image, StyleSheet } from '@react-pdf/renderer'
import {
  type InvoiceTemplateProps,
  PALETTE,
  formatCents,
  formatDate,
  formatQuantity,
  formatTvaRate,
  formatAddress,
} from '#pdf-templates/common'

const styles = StyleSheet.create({
  page: {
    paddingTop: 72,
    paddingBottom: 60,
    paddingHorizontal: 72,
    fontSize: 10,
    color: PALETTE.ink,
    fontFamily: 'Helvetica',
    lineHeight: 1.6,
  },
  // Header
  header: { flexDirection: 'row', justifyContent: 'space-between', marginBottom: 56 },
  headerLeft: { flex: 1 },
  headerRight: { flex: 1, alignItems: 'flex-end' },
  logo: { width: 48, height: 18, objectFit: 'contain', marginBottom: 12 },
  invoiceLabel: { fontSize: 9, textTransform: 'uppercase', color: PALETTE.ink3, letterSpacing: 2 },
  invoiceNumero: { fontSize: 18, marginTop: 4 },
  companyName: { fontSize: 11, fontWeight: 'bold' },
  small: { fontSize: 9, color: PALETTE.ink2 },
  // Méta
  metaRow: { flexDirection: 'row', justifyContent: 'space-between', marginBottom: 48 },
  metaBlock: { flex: 1 },
  metaLabel: { fontSize: 8, textTransform: 'uppercase', color: PALETTE.ink3, marginBottom: 6 },
  metaValue: { fontSize: 11 },
  // Table
  table: { marginBottom: 24 },
  tableHeader: { flexDirection: 'row', paddingBottom: 8 },
  tableRow: { flexDirection: 'row', paddingVertical: 8 },
  cellDesc: { flex: 4 },
  cellQty: { flex: 1, textAlign: 'right' },
  cellPu: { flex: 1.5, textAlign: 'right' },
  cellTva: { flex: 1, textAlign: 'right' },
  cellTotal: { flex: 1.5, textAlign: 'right' },
  cellHead: { fontSize: 8, textTransform: 'uppercase', color: PALETTE.ink3, letterSpacing: 1 },
  // Totaux
  totalsBlock: { alignSelf: 'flex-end', width: '45%', marginBottom: 32 },
  totalRow: { flexDirection: 'row', justifyContent: 'space-between', paddingVertical: 4 },
  totalRowGrand: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    paddingVertical: 12,
    marginTop: 8,
  },
  totalLabel: { color: PALETTE.ink2 },
  grandLabel: { fontSize: 14, fontWeight: 'bold' },
  grandAmount: { fontSize: 14, fontWeight: 'bold' },
  // TVA breakdown
  tvaBlock: { marginBottom: 24, width: '60%' },
  tvaRow: { flexDirection: 'row', paddingVertical: 2 },
  tvaCell: { flex: 1, textAlign: 'right', fontSize: 9 },
  tvaCellLeft: { flex: 1, textAlign: 'left', fontSize: 9, color: PALETTE.ink2 },
  // Footer
  paymentBlock: { marginTop: 16, marginBottom: 16 },
  paymentLabel: {
    fontSize: 8,
    textTransform: 'uppercase',
    color: PALETTE.ink3,
    marginBottom: 4,
  },
  legalBlock: {
    marginTop: 'auto',
    paddingTop: 24,
    fontSize: 7,
    color: PALETTE.ink3,
    lineHeight: 1.5,
  },
})

export function MinimalTemplate(props: InvoiceTemplateProps) {
  const accent = { color: props.accentColor }
  const issuerAddress = formatAddress({
    line1: props.issuer.addressLine1,
    line2: props.issuer.addressLine2,
    zip: props.issuer.addressZip,
    city: props.issuer.addressCity,
    country: props.issuer.addressCountry,
  })
  const clientAddress = formatAddress({
    line1: props.client.addressLine1,
    line2: props.client.addressLine2,
    zip: props.client.addressZip,
    city: props.client.addressCity,
    country: props.client.addressCountry,
  })
  const showTvaBreakdown = props.tvaBreakdown.length > 1

  return (
    <Document>
      <Page size="A4" style={styles.page}>
        {/* Header sobre : logo + numéro grand */}
        <View style={styles.header}>
          <View style={styles.headerLeft}>
            {props.logoUrl ? <Image src={props.logoUrl} style={styles.logo} /> : null}
            <Text style={styles.companyName}>{props.issuer.companyName ?? '—'}</Text>
            {issuerAddress.map((line, i) => (
              <Text key={`a-${i}`} style={styles.small}>
                {line}
              </Text>
            ))}
            {props.issuer.siret ? (
              <Text style={styles.small}>SIRET {props.issuer.siret}</Text>
            ) : null}
          </View>
          <View style={styles.headerRight}>
            <Text style={styles.invoiceLabel}>Facture</Text>
            <Text style={[styles.invoiceNumero, accent]}>{props.numero}</Text>
          </View>
        </View>

        {/* Méta : client + dates */}
        <View style={styles.metaRow}>
          <View style={styles.metaBlock}>
            <Text style={styles.metaLabel}>Client</Text>
            <Text style={styles.metaValue}>{props.client.name}</Text>
            {clientAddress.map((line, i) => (
              <Text key={`c-${i}`} style={styles.small}>
                {line}
              </Text>
            ))}
            {props.client.siret ? (
              <Text style={styles.small}>SIRET {props.client.siret}</Text>
            ) : null}
          </View>
          <View style={[styles.metaBlock, { alignItems: 'flex-end' }]}>
            <Text style={styles.metaLabel}>Émise le</Text>
            <Text style={styles.metaValue}>{formatDate(props.issueDate)}</Text>
            <Text style={[styles.metaLabel, { marginTop: 8 }]}>Échéance</Text>
            <Text style={styles.metaValue}>{formatDate(props.dueDate)}</Text>
          </View>
        </View>

        {/* Table */}
        <View style={styles.table}>
          <View style={styles.tableHeader}>
            <Text style={[styles.cellDesc, styles.cellHead]}>Désignation</Text>
            <Text style={[styles.cellQty, styles.cellHead]}>Qté</Text>
            <Text style={[styles.cellPu, styles.cellHead]}>P.U. HT</Text>
            <Text style={[styles.cellTva, styles.cellHead]}>TVA</Text>
            <Text style={[styles.cellTotal, styles.cellHead]}>Total HT</Text>
          </View>
          {props.lines.map((l) => (
            <View key={l.id} style={styles.tableRow}>
              <Text style={styles.cellDesc}>{l.description}</Text>
              <Text style={styles.cellQty}>{formatQuantity(l.quantity)}</Text>
              <Text style={styles.cellPu}>{formatCents(l.unitPriceCents)}</Text>
              <Text style={styles.cellTva}>{formatTvaRate(l.tvaRate)}</Text>
              <Text style={styles.cellTotal}>{formatCents(l.totalHtCents)}</Text>
            </View>
          ))}
        </View>

        {showTvaBreakdown ? (
          <View style={styles.tvaBlock}>
            {props.tvaBreakdown.map((b) => (
              <View key={`tva-${b.rate}`} style={styles.tvaRow}>
                <Text style={styles.tvaCellLeft}>TVA {formatTvaRate(b.rate)} sur</Text>
                <Text style={styles.tvaCell}>{formatCents(b.htCents)}</Text>
                <Text style={styles.tvaCell}>{formatCents(b.tvaCents)}</Text>
              </View>
            ))}
          </View>
        ) : null}

        {/* Totaux */}
        <View style={styles.totalsBlock}>
          <View style={styles.totalRow}>
            <Text style={styles.totalLabel}>Total HT</Text>
            <Text>{formatCents(props.amountHtCents)}</Text>
          </View>
          <View style={styles.totalRow}>
            <Text style={styles.totalLabel}>TVA</Text>
            <Text>{formatCents(props.amountTvaCents)}</Text>
          </View>
          <View style={styles.totalRowGrand}>
            <Text style={styles.grandLabel}>Total TTC</Text>
            <Text style={styles.grandAmount}>{formatCents(props.amountTtcCents)}</Text>
          </View>
        </View>

        {props.rib.iban || props.rib.bic ? (
          <View style={styles.paymentBlock}>
            <Text style={styles.paymentLabel}>Paiement</Text>
            {props.rib.bankName ? <Text style={styles.small}>{props.rib.bankName}</Text> : null}
            {props.rib.iban ? <Text style={styles.small}>IBAN {props.rib.iban}</Text> : null}
            {props.rib.bic ? <Text style={styles.small}>BIC {props.rib.bic}</Text> : null}
          </View>
        ) : null}

        {props.footerNotes ? (
          <View style={styles.paymentBlock}>
            <Text style={styles.small}>{props.footerNotes}</Text>
          </View>
        ) : null}

        <View style={styles.legalBlock}>
          <Text>{props.penaltyRateText}</Text>
          <Text>{props.escompteText}</Text>
          {props.footerLegalText ? <Text>{props.footerLegalText}</Text> : null}
          {props.issuer.rcs || props.issuer.capital ? (
            <Text>
              {[props.issuer.formeJuridique, props.issuer.capital, props.issuer.rcs]
                .filter(Boolean)
                .join(' · ')}
            </Text>
          ) : null}
        </View>
      </Page>
    </Document>
  )
}