package com.ruoyi.auth.service;

import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.security.service.TokenService;
import com.ruoyi.system.api.domain.AccountMember;
import com.ruoyi.system.api.domain.SysUser;
import com.ruoyi.system.api.model.LoginUser;

/**
 * 小程序会员令牌签发组件
 *
 * 用户端与服务商端登录共用同一套「以 AccountMember 组装 LoginUser 并签发令牌」逻辑，
 * 抽离于此避免重复实现。
 *
 * @author hugray
 */
@Component
public class AccountTokenIssuer
{
    private static final Logger log = LoggerFactory.getLogger(AccountTokenIssuer.class);

    @Autowired
    private TokenService tokenService;

    /**
     * 组装登录态并签发令牌
     *
     * @param member C端会员信息
     * @param scene 登录场景（仅用于日志标记）
     * @return 令牌信息（access_token、expires_in）
     */
    public Map<String, Object> issue(AccountMember member, String scene)
    {
        LoginUser loginUser = buildLoginUser(member);
        log.info("[ACCOUNT_LOGIN] {} success, userId={}", scene, member.getUserId());
        return tokenService.createToken(loginUser);
    }

    /**
     * 组装登录用户对象（以 SysUser 作为令牌载体，兼容 TokenService）
     *
     * @param member C端会员信息
     * @return 登录用户对象
     */
    private LoginUser buildLoginUser(AccountMember member)
    {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(member.getUserId());
        // TokenService 依赖 userName 生成令牌，缺失时回退为手机号
        sysUser.setUserName(StringUtils.isNotEmpty(member.getUserName()) ? member.getUserName() : member.getPhone());
        sysUser.setNickName(member.getNickname());
        sysUser.setPhonenumber(member.getPhone());
        sysUser.setAvatar(member.getAvatar());
        sysUser.setStatus(member.getStatus());

        LoginUser loginUser = new LoginUser();
        loginUser.setSysUser(sysUser);
        return loginUser;
    }
}