package com.vincent.rsf.server.system.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.vincent.rsf.framework.common.Cools;
import com.vincent.rsf.framework.exception.CoolException;
import com.vincent.rsf.server.system.controller.param.TenantInitParam;
import com.vincent.rsf.server.system.entity.*;
import com.vincent.rsf.server.system.enums.StatusType;
import com.vincent.rsf.server.system.mapper.TenantMapper;
import com.vincent.rsf.server.system.service.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;

/**
 * Created by vincent on 8/30/2024
 */
@Service("tenantService")
public class TenantServiceImpl extends ServiceImpl<TenantMapper, Tenant> implements TenantService {

    @Autowired
    private UserService userService;
    @Autowired
    private RoleService roleService;
    @Autowired
    private MenuService menuService;
    @Autowired
    private UserRoleService userRoleService;
    @Autowired
    private RoleMenuService roleMenuService;

    @Override
    @Transactional
    public Boolean initTenant(TenantInitParam param) {
        // valid ----------------------------
        if (null == param) {
            return false;
        }
        if (Cools.isEmpty(param.getName(), param.getFlag(), param.getUsername(), param.getPassword())) {
            return false;
        }

        if (0 < this.count(new LambdaQueryWrapper<Tenant>().eq(Tenant::getName, param.getName()))) {
            throw new CoolException("tenant name already exist");
        }
        if (0 < this.count(new LambdaQueryWrapper<Tenant>().eq(Tenant::getFlag, param.getFlag()))) {
            throw new CoolException("tenant flag already exist");
        }

        if (null != userService.getByUsername(param.getUsername(), null)) {
            throw new CoolException("the username already exist");
        }
        if (!Cools.isEmpty(param.getEmail())) {
            if (null != userService.getByEmail(param.getEmail(), null)) {
                throw new CoolException("the email already exist");
            }
        }

        Date now = new Date();
        // save tenant
        Tenant tenant = new Tenant();
        tenant.setName(param.getName());
        tenant.setFlag(param.getFlag());
        tenant.setRoot(0L);
        tenant.setStatus(StatusType.ENABLE.val);
        tenant.setCreateTime(now);
        tenant.setUpdateTime(now);
        tenant.setMemo(param.getMemo());
        if (!this.save(tenant)) {
            throw new CoolException("failed to create tenant");
        }

        // save user
        User user = new User();
        user.setTenantId(tenant.getId());
        user.setUsername(param.getUsername());
        user.setNickname(param.getUsername());
        user.setPassword(userService.encodePassword(param.getPassword()));
        user.setEmail(param.getEmail());
        user.setCreateTime(now);
        user.setUpdateTime(now);
        user.setStatus(StatusType.ENABLE.val);
        if (!userService.save(user)) {
            throw new CoolException("failed to create root user");
        }

        // update tenant
        tenant.setRoot(user.getId());
        if (!this.updateById(tenant)) {
            throw new CoolException("failed to create tenant");
        }

        // save role
        Role role = new Role();
        role.setTenantId(tenant.getId());
        role.setName("admin");
        role.setCode("admin");
        role.setStatus(StatusType.ENABLE.val);
        role.setCreateTime(now);
        role.setUpdateTime(now);
        if (!roleService.save(role)) {
            throw new CoolException("failed to create role");
        }

        // save userRole
        UserRole userRole = new UserRole();
        userRole.setUserId(user.getId());
        userRole.setRoleId(role.getId());
        if (!userRoleService.save(userRole)) {
            throw new CoolException("failed to create userRole");
        }

        // save roleMenu
        List<Menu> menuList = menuService.list();
        for (Menu menu : menuList) {
            RoleMenu roleMenu = new RoleMenu();
            roleMenu.setRoleId(role.getId());
            roleMenu.setMenuId(menu.getId());
            if (!roleMenuService.save(roleMenu)) {
                throw new CoolException("failed to create roleMenu");
            }
        }

        return true;
    }

}