import { z } from "zod";

/** 结账地点字段（对象本身必填时可为空对象） */
const flockLocationDetailsSchema = z
  .object({
    company_name: z.string().max(128).optional(),
    address1: z.string().max(200).optional(),
    address2: z.string().max(128).optional(),
    city: z.string().max(64).optional(),
    state: z.string().max(32).optional(),
    zip: z.string().max(16).optional(),
    contact_name: z.string().max(128).optional(),
    contact_email: z.string().max(128).optional(),
    contact_phone: z.string().max(64).optional(),
    opens_at: z.string().max(32).optional(),
    closes_at: z.string().max(32).optional(),
    po_number: z.string().max(128).optional(),
    bol_remarks: z.string().max(1000).optional(),
    notes: z.string().max(1000).optional(),
    weekend_delivery: z.boolean().optional(),
  })
  .strict();

const flockCheckoutDetailsSchema = z
  .object({
    pickup: flockLocationDetailsSchema.default({}),
    delivery: flockLocationDetailsSchema.default({}),
    role: z.enum(["shipper", "receiver", "other"]).optional(),
    nmfc: z.string().max(64).optional(),
    po_number: z.string().max(128).optional(),
    bol_remarks: z.string().max(1000).optional(),
    declaration_statement: z.string().max(2000).optional(),
    notes: z.string().max(1000).optional(),
    documentation_required: z.boolean().optional(),
    use_billing_for_pickup: z.boolean().optional(),
    use_billing_for_delivery: z.boolean().optional(),
  })
  .strict()
  .optional();

export const flockCheckoutSchema = z
  .object({
    customer_id: z.string().min(1, "请填写客户标识"),
    quote_id: z.string().min(1, "请填写报价单号").max(64),
    preferred_tier: z.enum(["flock_direct", "standard"], {
      errorMap: () => ({ message: "请选择 FlockDirect® 或 Standard 报价档" }),
    }),
    preferred_flexibility: z
      .enum(["2_day", "1_day", "none"], {
        errorMap: () => ({
          message: "请选择灵活性报价档（2 天 / 1 天 / 无灵活性）",
        }),
      })
      .optional(),
    preferred_carrier: z.string().trim().min(1).max(128).optional(),
    flock_details: flockCheckoutDetailsSchema,
  })
  .superRefine((val, ctx) => {
    const carrier = val.preferred_carrier?.trim() || "";
    const hasFlex = Boolean(val.preferred_flexibility);
    if (carrier && hasFlex) {
      ctx.addIssue({
        code: z.ZodIssueCode.custom,
        message: "灵活性档与承运商不能同时选择",
        path: ["preferred_carrier"],
      });
      return;
    }
    if (!carrier && !hasFlex) {
      ctx.addIssue({
        code: z.ZodIssueCode.custom,
        message: "请选择灵活性报价档或承运商",
        path: ["preferred_flexibility"],
      });
    }
  });

export type FlockCheckoutDetails = NonNullable<
  z.infer<typeof flockCheckoutSchema>["flock_details"]
>;