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import { roundHalfUp } from "@/lib/math";
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import { prisma } from "@/lib/prisma";
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export type MarkupType = "percent" | "fixed";
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export interface MarkupRule {
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type: MarkupType;
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percent: number;
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fixedAmount: number;
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}
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export const DEFAULT_MARKUP_RULE: MarkupRule = {
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type: "percent",
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percent: 0,
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fixedAmount: 0,
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};
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export interface MarkupResult {
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markupAmount: number;
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finalTotal: number;
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}
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/** 加价公式：百分比仅 raw_freight 参与；固定金额为每档固定叠加（GD-6 扩展） */
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export function applyMarkup(
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rawFreight: number,
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rawTotal: number,
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rule: MarkupRule | number,
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): MarkupResult {
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const normalized =
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typeof rule === "number"
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? { type: "percent" as const, percent: rule, fixedAmount: 0 }
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: rule;
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const markupAmount =
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normalized.type === "fixed"
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? roundHalfUp(normalized.fixedAmount, 2)
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: roundHalfUp(rawFreight * (normalized.percent / 100), 2);
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const finalTotal = roundHalfUp(rawTotal + markupAmount, 2);
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return { markupAmount, finalTotal };
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}
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/** 读取客户加价规则；未配置默认 0%（BR-6.3） */
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export async function getMarkupRule(customerId: string): Promise<MarkupRule> {
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const config = await prisma.markupConfig.findFirst({
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where: { customerId, isDeleted: false },
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select: {
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markupType: true,
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markupPercent: true,
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markupFixedAmount: true,
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},
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});
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if (!config) {
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return DEFAULT_MARKUP_RULE;
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}
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if (config.markupType === "fixed") {
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return {
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type: "fixed",
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percent: 0,
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fixedAmount: Number(config.markupFixedAmount ?? 0),
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};
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}
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return {
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type: "percent",
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percent: Number(config.markupPercent),
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fixedAmount: 0,
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};
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}
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/** @deprecated 请使用 getMarkupRule；保留兼容旧调用 */
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export async function getMarkupPercent(customerId: string): Promise<number> {
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const rule = await getMarkupRule(customerId);
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return rule.type === "percent" ? rule.percent : 0;
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}
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export interface RawQuoteTier {
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service_level: string;
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rate_option: string;
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carrier: string;
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transit_days: string;
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transit_description: string;
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raw_freight: number;
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surcharges: number;
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raw_total: number;
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}
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export interface MarkedUpQuoteTier extends RawQuoteTier {
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markup_percent: number;
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markup_amount: number;
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final_total: number;
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breakdown: Array<{ item: string; amount: number }>;
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}
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function markupBreakdownLabel(rule: MarkupRule): string {
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if (rule.type === "fixed") {
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return `运营加价(固定 ${rule.fixedAmount.toFixed(2)} USD)`;
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}
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return `运营加价(${rule.percent.toFixed(1)}%)`;
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}
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/** 对单档报价应用加价并生成 breakdown */
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export function applyMarkupToTier(
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tier: RawQuoteTier,
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rule: MarkupRule | number,
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): MarkedUpQuoteTier {
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const normalized =
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typeof rule === "number"
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? { type: "percent" as const, percent: rule, fixedAmount: 0 }
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: rule;
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const { markupAmount, finalTotal } = applyMarkup(
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tier.raw_freight,
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tier.raw_total,
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normalized,
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);
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return {
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...tier,
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markup_percent: normalized.type === "percent" ? normalized.percent : 0,
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markup_amount: markupAmount,
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final_total: finalTotal,
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breakdown: [
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{ item: "运费", amount: tier.raw_freight },
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{ item: "附加费", amount: tier.surcharges },
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{
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item: markupBreakdownLabel(normalized),
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amount: markupAmount,
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},
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],
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};
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}
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/** 对多档原始报价批量加价 */
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export function applyMarkupToQuotes(
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quotes: RawQuoteTier[],
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rule: MarkupRule | number,
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): MarkedUpQuoteTier[] {
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return quotes.map((tier) => applyMarkupToTier(tier, rule));
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}
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