cc-switch/src/lib/schemas/provider.ts

import { z } from "zod";

/**
 * 解析 JSON 语法错误，提取位置信息
 */
function parseJsonError(error: unknown): string {
  if (!(error instanceof SyntaxError)) {
    return "配置 JSON 格式错误";
  }

  const message = error.message;

  // 提取位置信息：Chrome/V8: "Unexpected token ... in JSON at position 123"
  const positionMatch = message.match(/at position (\d+)/i);
  if (positionMatch) {
    const position = parseInt(positionMatch[1], 10);
    return `JSON 格式错误：${message.split(" in JSON")[0]}（位置：${position}）`;
  }

  // Firefox: "JSON.parse: unexpected character at line 1 column 23"
  const lineColumnMatch = message.match(/line (\d+) column (\d+)/i);
  if (lineColumnMatch) {
    const line = lineColumnMatch[1];
    const column = lineColumnMatch[2];
    return `JSON 格式错误：第 ${line} 行，第 ${column} 列`;
  }

  // 通用情况：提取关键错误信息
  const cleanMessage = message
    .replace(/^JSON\.parse:\s*/i, "")
    .replace(/^Unexpected\s+/i, "意外的 ")
    .replace(/token/gi, "符号")
    .replace(/Expected/gi, "预期");

  return `JSON 格式错误：${cleanMessage}`;
}

export const providerSchema = z.object({
  name: z.string().min(1, "请填写供应商名称"),
  websiteUrl: z.string().url("请输入有效的网址").optional().or(z.literal("")),
  settingsConfig: z
    .string()
    .min(1, "请填写配置内容")
    .superRefine((value, ctx) => {
      try {
        JSON.parse(value);
      } catch (error) {
        ctx.addIssue({
          code: z.ZodIssueCode.custom,
          message: parseJsonError(error),
        });
      }
    }),
});

export type ProviderFormData = z.infer<typeof providerSchema>;