package com.xuekairui.common;

import lombok.AllArgsConstructor;
import lombok.Getter;

/**
 * 错误码枚举
 */
@Getter
@AllArgsConstructor
public enum ErrorCode {

    // 通用错误
    SUCCESS(200, "操作成功"),
    BAD_REQUEST(400, "请求参数错误"),
    PARAM_ERROR(400, "参数错误"),
    UNAUTHORIZED(401, "未授权，请先登录"),
    FORBIDDEN(403, "无权限访问"),
    NOT_FOUND(404, "资源不存在"),
    TOO_MANY_REQUESTS(429, "请求过于频繁，请稍后再试"),
    BUSINESS_ERROR(500, "业务处理失败"),
    INTERNAL_ERROR(500, "服务器内部错误"),

    // ========== 用户模块 1001-1099 ==========
    USER_NOT_FOUND(1001, "用户不存在"),
    USER_ALREADY_EXISTS(1002, "用户已存在"),
    PHONE_ALREADY_BOUND(1003, "手机号已绑定其他账号"),
    WECHAT_ALREADY_BOUND(1004, "微信已绑定其他账号"),
    USER_DISABLED(1005, "账号已被禁用"),
    PASSWORD_NOT_SET(1006, "未设置密码，请先设置密码"),
    PASSWORD_INCORRECT(1007, "密码错误"),
    OLD_PASSWORD_INCORRECT(1008, "旧密码错误"),
    OLD_PASSWORD_REQUIRED(1009, "请输入旧密码"),
    PHONE_ALREADY_EXISTS(1010, "该手机号已被注册"),

    // ========== 验证码 1101-1199 ==========
    CODE_SEND_TOO_FREQUENT(1101, "验证码发送过于频繁，请稍后再试"),
    CODE_INVALID(1102, "验证码错误或已过期"),
    CODE_EXPIRED(1103, "验证码已过期"),

    // ========== 微信登录 1201-1299 ==========
    WECHAT_CODE_INVALID(1201, "微信授权码无效"),
    WECHAT_BIND_REQUIRED(1202, "请先绑定手机号"),
    WECHAT_LOGIN_FAILED(1203, "微信登录失败，请重试"),

    // ========== Token 1301-1399 ==========
    TOKEN_EXPIRED(1301, "Token已过期"),
    TOKEN_INVALID(1302, "Token无效"),
    REFRESH_TOKEN_INVALID(1303, "刷新Token无效"),

    // ========== 支付模块 2001-2099 ==========
    PAY_ORDER_NOT_FOUND(2001, "支付订单不存在"),
    PAY_ORDER_EXPIRED(2002, "支付订单已过期"),
    PAY_AMOUNT_INVALID(2003, "支付金额不正确"),
    PAY_CHANNEL_NOT_SUPPORT(2004, "不支持该支付渠道"),
    PAY_FAILED(2005, "支付失败，请重试"),
    REFUND_FAILED(2006, "退款失败，请重试"),
    PAY_PLAN_NOT_FOUND(2007, "支付方案不存在"),
    PAY_PLAN_DISABLED(2008, "支付方案已下架"),
    PAY_SIGN_VERIFY_FAILED(2009, "支付回调验签失败"),
    PAY_CHANNEL_NOT_CONFIGURED(2010, "支付渠道未配置，请检查payment配置"),
    PAY_PLAN_CODE_DUPLICATE(2011, "方案编码已存在"),

    // ========== 等级模块 4001-4099 ==========
    LEVEL_NOT_FOUND(4001, "用户等级不存在"),
    LEVEL_DISABLED(4002, "该等级已禁用"),
    LEVEL_CODE_DUPLICATE(4003, "等级编码已存在"),

    // ========== 优惠券 4101-4199 ==========
    COUPON_NOT_FOUND(4101, "优惠券不存在"),
    COUPON_DISABLED(4102, "优惠券已下架"),
    COUPON_EXHAUSTED(4103, "优惠券已发放完毕"),
    COUPON_EXPIRED(4104, "优惠券已过期"),
    COUPON_ALREADY_USED(4105, "优惠券已使用"),
    COUPON_LEVEL_NOT_ENOUGH(4106, "等级不满足优惠券领取条件"),
    COUPON_RECEIVE_LIMIT(4107, "已达领取上限"),

    // ========== 爬虫权益 4201-4299 ==========
    CRAWLER_QUOTA_EXCEEDED(4201, "今日爬虫次数已用完"),
    CRAWLER_MONTHLY_QUOTA_EXCEEDED(4202, "本月爬虫次数已用完"),
    CRAWLER_YEARLY_QUOTA_EXCEEDED(4205, "本年爬虫次数已用完"),
    CRAWLER_CONCURRENT_LIMIT(4203, "爬虫并发数已达上限"),
    CRAWLER_NO_PERMISSION(4204, "无爬虫使用权限"),

    // ========== 邀请模块 3001-3099 ==========
    INVITE_CODE_INVALID(3001, "邀请码无效"),
    INVITE_CODE_EXPIRED(3002, "邀请码已过期"),
    INVITE_SELF_FORBIDDEN(3003, "不能使用自己的邀请码"),
    INVITE_ALREADY_USED(3004, "该邀请码已被使用"),
    INVITE_RELATION_EXISTS(3005, "邀请关系已存在"),
    INVITE_REWARD_FAILED(3006, "邀请奖励发放失败"),
    INVITE_BIND_EXPIRED(3007, "注册时间已超过有效期，无法补填邀请码"),
    INVITE_LIMIT_REACHED(3008, "邀请人数已达上限"),

    // ========== 搜索模块 4301-4399 ==========
    SEARCH_QUOTA_EXCEEDED(4301, "搜索次数已用完"),
    SEARCH_HISTORY_NOT_FOUND(4302, "搜索记录不存在"),
    SEARCH_KEYWORD_EMPTY(4303, "搜索关键词不能为空"),

    // ========== 关注模块 4401-4499 ==========
    WATCHLIST_LIMIT_EXCEEDED(4401, "关注品种数已达上限"),
    WATCHLIST_ALREADY_EXISTS(4402, "该药品已在关注列表中"),
    WATCHLIST_NOT_FOUND(4403, "关注记录不存在");

    private final int code;
    private final String message;

    /**
     * 根据错误码查找枚举
     */
    public static ErrorCode getByCode(int code) {
        for (ErrorCode errorCode : values()) {
            if (errorCode.getCode() == code) {
                return errorCode;
            }
        }
        return null;
    }

    /**
     * 判断是否为成功状态
     */
    public boolean isSuccess() {
        return this == SUCCESS;
    }

    /**
     * 判断是否为客户端错误（4xx）
     */
    public boolean isClientError() {
        return code >= 400 && code < 500;
    }

    /**
     * 判断是否为服务器错误（5xx）
     */
    public boolean isServerError() {
        return code >= 500 && code < 600;
    }
}