import { normalizeProductText } from './productParsing.ts';

export type ProductTypeKey =
  | 'finished_apparel'
  | 'finished_accessory'
  | 'raw_material'
  | 'packaging'
  | 'dtf_input'
  | 'dtf_service'
  | 'kit_bundle'
  | 'service'
  | 'machine_part'
  | 'equipment'
  | 'ignore_from_planning'
  | 'unknown';

export type ProductPlanningMode = 'cutting' | 'unit_replenishment' | 'material' | 'service' | 'ignore' | 'review';

export type ProductTypeConfig = {
  key: ProductTypeKey;
  label: string;
  description: string;
  planningMode: ProductPlanningMode;
  badgeClassName: string;
};

export const productTypeConfigs: Record<ProductTypeKey, ProductTypeConfig> = {
  finished_apparel: {
    key: 'finished_apparel',
    label: 'Vestuário',
    description: 'Produto acabado que pode entrar em corte/reposição por SKU.',
    planningMode: 'cutting',
    badgeClassName: 'border-sky-400/30 bg-sky-400/10 text-sky-300'
  },
  finished_accessory: {
    key: 'finished_accessory',
    label: 'Acessório',
    description: 'Produto acabado sem regra de malha principal.',
    planningMode: 'unit_replenishment',
    badgeClassName: 'border-cyan-400/30 bg-cyan-400/10 text-cyan-300'
  },
  raw_material: {
    key: 'raw_material',
    label: 'Matéria-prima',
    description: 'Entrada de produção, como malha, ribana, tecido, fio ou resíduo.',
    planningMode: 'material',
    badgeClassName: 'border-emerald-400/30 bg-emerald-400/10 text-emerald-300'
  },
  packaging: {
    key: 'packaging',
    label: 'Embalagem',
    description: 'Insumo de embalagem controlado por unidade/milheiro.',
    planningMode: 'unit_replenishment',
    badgeClassName: 'border-amber-400/30 bg-amber-400/10 text-amber-300'
  },
  dtf_input: {
    key: 'dtf_input',
    label: 'Insumo DTF',
    description: 'Insumo para DTF, como tinta, filme, poliamida ou fluido.',
    planningMode: 'material',
    badgeClassName: 'border-fuchsia-400/30 bg-fuchsia-400/10 text-fuchsia-300'
  },
  dtf_service: {
    key: 'dtf_service',
    label: 'Serviço DTF',
    description: 'Impressão, estampa ou personalização vendida como serviço/produto customizado.',
    planningMode: 'service',
    badgeClassName: 'border-purple-400/30 bg-purple-400/10 text-purple-300'
  },
  kit_bundle: {
    key: 'kit_bundle',
    label: 'Kit',
    description: 'Bundle marketplace composto por outros SKUs.',
    planningMode: 'review',
    badgeClassName: 'border-indigo-400/30 bg-indigo-400/10 text-indigo-300'
  },
  service: {
    key: 'service',
    label: 'Serviço',
    description: 'Frete, transporte, tecelagem, tinturaria ou serviço técnico.',
    planningMode: 'service',
    badgeClassName: 'border-zinc-400/30 bg-zinc-400/10 text-zinc-300'
  },
  machine_part: {
    key: 'machine_part',
    label: 'Peça máquina',
    description: 'Peça, limpeza ou manutenção de máquina.',
    planningMode: 'unit_replenishment',
    badgeClassName: 'border-orange-400/30 bg-orange-400/10 text-orange-300'
  },
  equipment: {
    key: 'equipment',
    label: 'Equipamento',
    description: 'Máquina ou equipamento permanente.',
    planningMode: 'ignore',
    badgeClassName: 'border-slate-400/30 bg-slate-400/10 text-slate-300'
  },
  ignore_from_planning: {
    key: 'ignore_from_planning',
    label: 'Ignorar',
    description: 'Item que não deve dirigir corte, compra ou reposição.',
    planningMode: 'ignore',
    badgeClassName: 'border-dark-border bg-dark-input text-dark-muted'
  },
  unknown: {
    key: 'unknown',
    label: 'Revisar',
    description: 'Tipo não identificado automaticamente.',
    planningMode: 'review',
    badgeClassName: 'border-red-400/30 bg-red-400/10 text-red-300'
  }
};

const has = (value: string, pattern: RegExp) => pattern.test(value);

export const classifyProductType = (name: string): ProductTypeKey => {
  const normalizedName = normalizeProductText(name)
    .normalize('NFD')
    .replace(/\p{Diacritic}/gu, '')
    .toUpperCase();

  if (!normalizedName) return 'unknown';

  if (has(normalizedName, /\bSALDO ESTOQUE\b/)) return 'ignore_from_planning';
  if (has(normalizedName, /^(?:\d+\s+)?(?:MALHA|RIBANA)\b/)) return 'raw_material';
  if (has(normalizedName, /\b(?:RETALHO|RESIDUO)\s+(?:DE\s+)?(?:MALHA|MOLETOM)\b/)) return 'raw_material';
  if (has(normalizedName, /\bFIO\b.*\bMALHARIA\b/)) return 'raw_material';
  if (has(normalizedName, /\b(?:LINHA|FIO) PARA COSTURA\b/)) return 'raw_material';
  if (has(normalizedName, /\bATACADOR\b/)) return 'raw_material';
  if (has(normalizedName, /\bILHOS\b/)) return 'raw_material';
  if (has(normalizedName, /ETIQUETA|TAG|FITA/)) return 'raw_material';
  if (has(normalizedName, /\bCREDITO\b/)) return 'ignore_from_planning';
  if (has(normalizedName, /\bKIT\b/)) return 'kit_bundle';
  if (has(normalizedName, /TRANSPARENTE PP|SACO DE SEGURANCA|MILHEIRO|SACOLA|EMBALAGEM/)) return 'packaging';
  if (has(normalizedName, /PRENSA|MAQUINA|OVERLOCK|OVERLOK|GALONEIRA|PRATELEIRA/)) return 'equipment';
  if (has(normalizedName, /FRETE|SERVICO|TRANSPORTE|MOTOTAXI|TECELAGEM|TINTURARIA|MAO DE OBRA/)) return 'service';
  if (has(normalizedName, /DUMPER|CABO FLAT|WIPPER|PRIMER|FLUIDO DE LIMPEZA|MISTURADOR|CABECA I3200|CABECA DE IMPRESSAO|SENSOR INFRAVERMELHO|CAPSULA FILTRO|PECA DE MAQUINA/)) return 'machine_part';
  if (has(normalizedName, /TINTA DTF|FILME DTF|POLIAMIDA.*DTF|DTF ROLO|PO PARA DTF|BOMBA DE TINTA/)) return 'dtf_input';
  if (has(normalizedName, /IMPRESSAO DTF|IMPRESSAO UV|CORRECAO IMPRESSAO|ESTAMPA|PERSONALIZACAO/)) return 'dtf_service';
  if (has(normalizedName, /MALHA|RIBANA|FIO|TECIDO|RESIDUO|RETALHO|PIMA|ALGODAO/)) {
    if (!has(normalizedName, /CAMISETA|MOLETOM|REGATA|BONE|CHINELO|OVERSIZE|OVER SIZE/)) {
      return 'raw_material';
    }
  }
  if (has(normalizedName, /BONE|TRUCKER|\bCAP\b|CHINELO/)) return 'finished_accessory';
  if (has(normalizedName, /CAMISETA|MOLETOM|CANGURU|REGATA|INFANTIL|OVER SIZE|OVERSIZE|PROMOCIONAL|VESTUARIO/)) return 'finished_apparel';
  if (has(normalizedName, /ETIQUETA|TAG|FITA|LINHA PARA COSTURA|COSTURA/)) return 'raw_material';

  return 'unknown';
};

export const getProductTypeConfig = (type: ProductTypeKey) => productTypeConfigs[type] || productTypeConfigs.unknown;

export const productTypeOptions = Object.values(productTypeConfigs)
  .filter(config => config.key !== 'ignore_from_planning')
  .map(config => ({ value: config.key, label: config.label }));

export const editableProductTypeOptions = Object.values(productTypeConfigs)
  .map(config => ({ value: config.key, label: config.label, description: config.description }));

export const resolveProductType = (
  name: string,
  override?: { productType?: ProductTypeKey | '' } | null
): ProductTypeKey => {
  return override?.productType || classifyProductType(name);
};

export const getDominantProductType = <T extends { productType: ProductTypeKey; quantitySold: number }>(rows: T[]) => {
  if (!rows.length) return 'unknown';

  const totals = rows.reduce<Record<string, number>>((acc, row) => {
    acc[row.productType] = (acc[row.productType] || 0) + Math.max(row.quantitySold, 1);
    return acc;
  }, {});

  return (Object.entries(totals).sort((a, b) => b[1] - a[1])[0]?.[0] || 'unknown') as ProductTypeKey;
};