order_site/apps/frontend/src/pages/admin/cost-center/shared.ts

/**
 * 成本中心前端共享层：类型、常量、标签与页面上下文。
 *
 * 口径（2026-10-23 重写）：
 *   1. 履约方式唯一真源是 order_items.fulfillment_mode，前端只读不改；
 *   2. 商品来源由 canonical_sku 前缀推导，前端不再存「商品载体」字段；
 *   3. 成本项用 cost_model 表达「成本怎么算」，没有「适用载体」这一列。
 */
import type { Dayjs } from 'dayjs'

import type {
  ChannelProductMapping,
  CostItem,
  CostModel,
  CostVersion,
  ProductSource,
} from '@/types/admin'

/** 顶部来源切换：全部 / 自动发货 / 接单平台 / 第三方卡券 / 人工。 */
export type CostScope = 'all' | 'affiliate_dash' | 'work_order' | 'third_party_voucher' | 'manual'

export type CostItemPreset = {
  key: string
  label: string
  name: string
  costModel: CostModel
  pricingMode: CostItem['pricingMode']
  unitName: string
}

export type ProductFormValues = {
  canonicalSku: string
  canonicalName: string
  category?: string
  unitName?: string
  status?: 'active' | 'archived'
}

export type MappingFormValues = {
  provider: string
  shopId?: string
  platformSkuCode?: string
  platformSkuName?: string
  matchType?: ChannelProductMapping['matchType']
  canonicalProductId: number
  quantityMultiplier?: number
  confidence?: 'exact' | 'rule' | 'manual'
  source?: 'manual' | 'import' | 'rule'
  enabled?: boolean
  note?: string
}

export type CostItemFormValues = {
  name: string
  costModel: CostModel
  pricingMode: CostItem['pricingMode']
  unitName?: string
  status?: 'active' | 'archived'
  note?: string
}

export type CostVersionFormValues = {
  costItemId: number
  scopeType: CostVersion['scopeType']
  provider?: string
  shopId?: string
  canonicalProductId?: number
  workProductRuleId?: number
  amountYuan?: number
  rateBps?: number
  effectiveFrom?: Dayjs
  effectiveTo?: Dayjs
  status?: 'draft' | 'active'
  changeReason?: string
}

/** 成本模型：只表达「这笔成本怎么算」。 */
export const COST_MODEL_OPTIONS = [
  { value: 'affiliate_purchase', label: '上游采购成本' },
  { value: 'work_order_reward', label: '接单平台打手报酬' },
  { value: 'third_party_voucher_cost', label: '第三方卡券采购成本' },
  { value: 'manual_actual', label: '人工客服实际支出' },
  { value: 'platform_fee', label: '平台服务费' },
  { value: 'payment_fee', label: '支付通道费' },
  { value: 'after_sales_loss', label: '售后损失' },
  { value: 'other', label: '其他' },
]

/** 商品来源：由 canonical_sku 前缀推导。 */
export const PRODUCT_SOURCE_OPTIONS = [
  { value: 'affiliate_dash', label: '自动发货' },
  { value: 'work_order', label: '接单平台' },
  { value: 'third_party_voucher', label: '第三方卡券' },
  { value: 'manual', label: '人工客服' },
]

export const PRODUCT_SOURCE_TAG_COLORS: Record<ProductSource, string> = {
  affiliate_dash: 'green',
  work_order: 'blue',
  third_party_voucher: 'cyan',
  manual: 'orange',
  '': 'default',
}

export const PRICING_OPTIONS = [
  { value: 'per_item', label: '按件' },
  { value: 'per_order', label: '按单' },
  { value: 'percent_of_revenue', label: '按收入比例' },
]

export const SCOPE_OPTIONS = [
  { value: 'global', label: '全局' },
  { value: 'provider', label: '按来源' },
  { value: 'shop', label: '按店铺' },
  { value: 'product', label: '按标准商品' },
  { value: 'rule', label: '按接单规则' },
]

/** 从「未归一」队列建映射时带入的预填值。 */
export type MappingPrefill = {
  provider?: string
  shopId?: string
  platformSkuCode?: string
  platformSkuName?: string
}

/** 履约方式展示文案与颜色：渠道映射、成本异常、销售事实共用。 */
export const FULFILLMENT_MODE_LABELS: Record<string, string> = {
  work_order: '接单平台',
  affiliate_dash: '自动发货',
  third_party_voucher: '第三方卡券',
  legacy_platform: '历史归档',
  manual: '人工客服',
  archived: '历史归档',
  unclassified: '未分类',
}

export const FULFILLMENT_MODE_COLORS: Record<string, string> = {
  work_order: 'blue',
  affiliate_dash: 'green',
  third_party_voucher: 'cyan',
  legacy_platform: 'default',
  manual: 'orange',
  archived: 'default',
  unclassified: 'gold',
}

export const PROVIDER_LABELS: Record<string, string> = {
  '91kaquan': '91 卡券（快手）',
  pdd: '拼多多',
  douyin_mashida: '抖音码速达',
}

export const MAPPING_MATCH_TYPE_OPTIONS: Array<{
  value: ChannelProductMapping['matchType']
  label: string
}> = [
  { value: 'sku_code', label: 'SKU 编码（唯一）' },
  { value: 'sku_code_name', label: 'SKU 编码 + 精确名称' },
  { value: 'sku_code_series', label: 'SKU 编码 + 名称系列' },
  { value: 'sku_name_series', label: 'SKU 名称系列兜底' },
]

/** 常用成本项模板：避免每次手填编码/模型/计价方式。 */
export const COST_ITEM_PRESETS: CostItemPreset[] = [
  {
    key: 'affiliate_purchase',
    label: '上游采购成本',
    name: '自动发货上游采购成本',
    costModel: 'affiliate_purchase',
    pricingMode: 'per_item',
    unitName: '件',
  },
  {
    key: 'work_order_reward',
    label: '接单平台打手报酬',
    name: '接单平台打手报酬',
    costModel: 'work_order_reward',
    pricingMode: 'per_order',
    unitName: '单',
  },
  {
    key: 'manual_actual',
    label: '人工客服实际支出',
    name: '人工客服履约成本',
    costModel: 'manual_actual',
    pricingMode: 'per_order',
    unitName: '单',
  },
  {
    key: 'platform_fee',
    label: '平台服务费',
    name: '平台服务费',
    costModel: 'platform_fee',
    pricingMode: 'percent_of_revenue',
    unitName: '单',
  },
  {
    key: 'payment_fee',
    label: '支付通道费',
    name: '支付通道费',
    costModel: 'payment_fee',
    pricingMode: 'percent_of_revenue',
    unitName: '单',
  },
  {
    key: 'after_sales_loss',
    label: '售后损失',
    name: '售后损失',
    costModel: 'after_sales_loss',
    pricingMode: 'per_order',
    unitName: '单',
  },
]

export function labelOf(options: Array<{ value: string; label: string }>, value: string) {
  return options.find((item) => item.value === value)?.label || value || '-'
}

export function mappingMatchTypeLabel(value: ChannelProductMapping['matchType']) {
  return MAPPING_MATCH_TYPE_OPTIONS.find((item) => item.value === value)?.label || value || '-'
}

export function providerLabel(value: string) {
  return PROVIDER_LABELS[value] || value || '-'
}

export function formatRate(rateBps: number) {
  return `${((Number(rateBps || 0) || 0) / 100).toFixed(2)}%`
}

export function costModelLabel(value: string) {
  return labelOf(COST_MODEL_OPTIONS, value)
}