package org.dromara.web.controller;

import cn.dev33.satoken.annotation.SaIgnore;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjectUtil;
import jakarta.servlet.http.HttpServletRequest;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import me.zhyd.oauth.model.AuthResponse;
import me.zhyd.oauth.model.AuthUser;
import me.zhyd.oauth.request.AuthRequest;
import me.zhyd.oauth.utils.AuthStateUtils;
import org.dromara.common.core.domain.AjaxResult;
import org.dromara.common.core.domain.R;
import org.dromara.common.core.domain.model.LoginBody;
import org.dromara.common.core.domain.model.LoginUser;
import org.dromara.common.core.domain.model.RegisterBody;
import org.dromara.common.core.utils.MapstructUtils;
import org.dromara.common.core.utils.MessageUtils;
import org.dromara.common.core.utils.StreamUtils;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.redis.utils.RedisUtils;
import org.dromara.common.satoken.utils.LoginHelper;
import org.dromara.common.social.config.properties.SocialLoginConfigProperties;
import org.dromara.common.social.config.properties.SocialProperties;
import org.dromara.common.social.utils.SocialUtils;
import org.dromara.common.tenant.helper.TenantHelper;
import org.dromara.system.domain.SysClient;
import org.dromara.system.domain.app.AppletLoginForm;
import org.dromara.system.domain.bo.SysTenantBo;
import org.dromara.system.domain.school.bo.SysSchoolNameBo;
import org.dromara.system.domain.school.vo.SysSchoolNameVo;
import org.dromara.system.domain.vo.SysRoleVo;
import org.dromara.system.domain.vo.SysTenantVo;
import org.dromara.system.domain.vo.SysUserVo;
import org.dromara.system.mapper.SysRoleMapper;
import org.dromara.system.mapper.SysUserMapper;
import org.dromara.system.service.*;
import org.dromara.system.service.school.ISysSchoolNameService;
import org.dromara.web.domain.vo.LoginTenantVo;
import org.dromara.web.domain.vo.LoginVo;
import org.dromara.web.domain.vo.TenantListVo;
import org.dromara.web.service.IAuthStrategy;
import org.dromara.web.service.SysLoginService;
import org.dromara.web.service.SysRegisterService;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 认证
 *
 * @author Lion Li
 */
@Slf4j
@SaIgnore
@Validated
@RequiredArgsConstructor
@RestController
@RequestMapping("/auth")
public class AuthController {

    private final SocialProperties socialProperties;
    private final SysLoginService loginService;
    private final SysRegisterService registerService;
    private final ISysConfigService configService;
    private final ISysTenantService tenantService;
    private final ISysSocialService socialUserService;
    private final ISysClientService clientService;
    private final ISysSchoolNameService sysSchoolNameService;
    private final SysUserMapper sysUserMapper;
    private final SysRoleMapper sysRoleMapper;

    /**
     * 登录方法
     *
     * @param loginBody 登录信息
     * @return 结果
     */
    @PostMapping("/login")
    public R<LoginVo> login(@Validated @RequestBody LoginBody loginBody) {
        // 授权类型和客户端id
        String clientId = loginBody.getClientId();
        String grantType = loginBody.getGrantType();
        SysClient client = clientService.queryByClientId(clientId);
        // 查询不到 client 或 client 内不包含 grantType
        if (ObjectUtil.isNull(client) || !StringUtils.contains(client.getGrantType(), grantType)) {
            log.info("客户端id: {} 认证类型：{} 异常!.", clientId, grantType);
            return R.fail(MessageUtils.message("auth.grant.type.error"));
        }
        //去redis中查询当前账号登录租户id = loginBody.get
        Object tenantId = RedisUtils.getCacheObject(loginBody.getUsername() + ":login");
        if (ObjectUtil.isEmpty(tenantId)) {
            tenantId = "000000";
            //如果是空，则去查询
            List<SysUserVo> sysUserVo = sysUserMapper.selectUserByUserNameList(loginBody.getUsername());
            if (sysUserVo != null && sysUserVo.size() > 0) {
                boolean flag = true;
                for (SysUserVo userVo : sysUserVo) {
                    if (!"000000".equals(userVo.getTenantId()) && flag){
                        tenantId = userVo.getTenantId();
                    }
                    Long userId = userVo.getUserId();
                    List<SysRoleVo> sysRoleVo = sysRoleMapper.selectRolePermissionByUserId(userId);
                    for (SysRoleVo roleVo : sysRoleVo) {
                        if ("teacher".equals(roleVo.getRoleKey())) {
                            tenantId = userVo.getTenantId();
                            flag = false;
                            break;
                        }
                    }
                }
            }
        }
        loginBody.setTenantId(tenantId.toString());
        // 校验租户
        loginService.checkTenant(loginBody.getTenantId());
        // 登录
        return R.ok(IAuthStrategy.login(loginBody, client));
    }

    /**
     * 微信登录方法
     *
     * @param form 登录信息
     * @return 结果
     */
    @SaIgnore
    @PostMapping("/weChatLogin")
    public R<LoginVo> weChatLogin(@Validated @RequestBody AppletLoginForm form) {
        LoginBody loginBody = new LoginBody();
        String clientId = "428a8310cd442757ae699df5d894f051";
        String grantType = "password";
        loginBody.setClientId(clientId);
        loginBody.setGrantType(grantType);

        SysClient client = clientService.queryByClientId(clientId);
        // 查询不到 client 或 client 内不包含 grantType
        if (ObjectUtil.isNull(client) || !StringUtils.contains(client.getGrantType(), grantType)) {
            log.info("客户端id: {} 认证类型：{} 异常!.", clientId, grantType);
            return R.fail(MessageUtils.message("auth.grant.type.error"));
        }
        LoginVo loginVo = IAuthStrategy.weChatLogin(form, loginBody, client);
        //去redis中查询当前账号登录租户id = loginBody.get
        Object tenantId = RedisUtils.getCacheObject(loginBody.getUsername() + ":login");
        if (ObjectUtil.isEmpty(tenantId)) {
            //如果是空，则去查询
            SysUserVo sysUserVo = sysUserMapper.selectUserByUserName(loginBody.getUsername());
            tenantId = sysUserVo.getTenantId();
        }
        loginBody.setTenantId(tenantId.toString());
        // 校验租户
        loginService.checkTenant(loginBody.getTenantId());
        return R.ok(loginVo);
    }


    /**
     * 第三方登录请求
     *
     * @param source 登录来源
     * @return 结果
     */
    @GetMapping("/binding/{source}")
    public R<String> authBinding(@PathVariable("source") String source) {
        SocialLoginConfigProperties obj = socialProperties.getType().get(source);
        if (ObjectUtil.isNull(obj)) {
            return R.fail(source + "平台账号暂不支持");
        }
        AuthRequest authRequest = SocialUtils.getAuthRequest(source, socialProperties);
        String authorizeUrl = authRequest.authorize(AuthStateUtils.createState());
        return R.ok("操作成功", authorizeUrl);
    }

    /**
     * 第三方登录回调业务处理 绑定授权
     *
     * @param loginBody 请求体
     * @return 结果
     */
    @PostMapping("/social/callback")
    public R<Void> socialCallback(@RequestBody LoginBody loginBody) {
        // 获取第三方登录信息
        AuthResponse<AuthUser> response = SocialUtils.loginAuth(loginBody, socialProperties);
        AuthUser authUserData = response.getData();
        // 判断授权响应是否成功
        if (!response.ok()) {
            return R.fail(response.getMsg());
        }
        loginService.socialRegister(authUserData);
        return R.ok();
    }


    /**
     * 取消授权
     *
     * @param socialId socialId
     */
    @DeleteMapping(value = "/unlock/{socialId}")
    public R<Void> unlockSocial(@PathVariable Long socialId) {
        Boolean rows = socialUserService.deleteWithValidById(socialId);
        return rows ? R.ok() : R.fail("取消授权失败");
    }


    /**
     * 退出登录
     */
    @PostMapping("/logout")
    public R<Void> logout() {
        loginService.logout();
        return R.ok("退出成功");
    }

    /**
     * 用户注册
     */
    @PostMapping("/register")
    public R<Void> register(@Validated @RequestBody RegisterBody user) {
        if (!configService.selectRegisterEnabled(user.getTenantId())) {
            return R.fail("当前系统没有开启注册功能！");
        }
        registerService.register(user);
        return R.ok();
    }

    /**
     * 登录页面租户下拉框
     *
     * @return 租户列表
     */
    @GetMapping("/tenant/list")
    public R<LoginTenantVo> tenantList(HttpServletRequest request) throws Exception {
        List<SysTenantVo> tenantList = tenantService.queryList(new SysTenantBo());
        List<TenantListVo> voList = MapstructUtils.convert(tenantList, TenantListVo.class);
        // 获取域名
        String host;
        String referer = request.getHeader("referer");
        if (StringUtils.isNotBlank(referer)) {
            // 这里从referer中取值是为了本地使用hosts添加虚拟域名，方便本地环境调试
            host = referer.split("//")[1].split("/")[0];
        } else {
            host = new URL(request.getRequestURL().toString()).getHost();
        }
        // 根据域名进行筛选
        List<TenantListVo> list = StreamUtils.filter(voList, vo ->
            StringUtils.equals(vo.getDomain(), host));
        // 返回对象
        LoginTenantVo vo = new LoginTenantVo();
        vo.setVoList(CollUtil.isNotEmpty(list) ? list : voList);
        vo.setTenantEnabled(TenantHelper.isEnable());
        return R.ok(vo);
    }


    /**
     * 返回家长所在班级
     *
     * @return 租户列表
     */
    @GetMapping("/parents/tenant/list")
    public R<LoginTenantVo> parentsTenantList(HttpServletRequest request) throws Exception {
        //查询账号的租户id
        LoginUser user = LoginHelper.getLoginUser();
        List<SysUserVo> userList = sysUserMapper.selectUserListByUserName(user.getUsername());
        List<String> tList = new ArrayList<>();
        for (SysUserVo sysUserVo : userList) {
            boolean bl = false;
            for (SysRoleVo role : sysUserVo.getRoles()) {
                if ("parents".equals(role.getRoleKey())) {
                    bl = true;
                    break;
                }
            }
            if (bl) {
                tList.add(sysUserVo.getTenantId());
            }

        }
        SysTenantBo tenantBo = new SysTenantBo();
        tenantBo.setTenantList(tList);
        List<SysTenantVo> tenantList = tenantService.queryList(tenantBo);
        List<TenantListVo> voList = MapstructUtils.convert(tenantList, TenantListVo.class);
        // 返回对象
        LoginTenantVo vo = new LoginTenantVo();
        vo.setVoList(voList);
        vo.setTenantEnabled(TenantHelper.isEnable());
        return R.ok(vo);
    }


    /**
     * 注册页获取学校下拉框
     *
     * @return 租户列表
     */
    @GetMapping("/school/list")
    public AjaxResult schoolList() {
        List<SysSchoolNameVo> sysSchoolNameVos = sysSchoolNameService.queryList(new SysSchoolNameBo());
        Map<String, List<SysSchoolNameVo>> collect = sysSchoolNameVos.parallelStream().collect(Collectors.groupingBy(SysSchoolNameVo::getInitial));
        return AjaxResult.success(collect);
    }

}