package com.ff.system;

import com.ff.base.constant.Constants;
import com.ff.base.core.domain.AjaxResult;
import com.ff.base.core.domain.model.LoginBody;
import com.ff.base.enums.LoginType;
import com.ff.base.system.domain.SysMenu;
import com.ff.base.system.domain.SysRole;
import com.ff.base.system.domain.SysUser;
import com.ff.base.system.service.ISysDatasourceService;
import com.ff.base.system.service.ISysMenuService;
import com.ff.base.system.service.ITenantAgentService;
import com.ff.base.utils.SecurityUtils;
import com.ff.base.web.service.SysLoginService;
import com.ff.base.web.service.SysPermissionService;
import com.ff.base.system.service.ITenantSecretKeyService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * 登录验证
 *
 * @author ff
 */
@RestController
public class SysLoginController {
    @Autowired
    private SysLoginService loginService;

    @Autowired
    private ISysMenuService menuService;

    @Autowired
    private SysPermissionService permissionService;

    @Resource
    private ISysDatasourceService datasourceService;


    @Resource
    private ITenantSecretKeyService tenantSecretKeyService;

    @Resource
    private ITenantAgentService tenantAgentService;


    /**
     * 登录方法
     *
     * @param loginBody 登录信息
     * @return 结果
     */
    @PostMapping("/login")
    public AjaxResult login(@RequestBody LoginBody loginBody) {
        AjaxResult ajax = AjaxResult.success();
        // 生成令牌
        String token = "";
        // 验证码校验
             loginService.validateCaptcha(loginBody.getUsername(), loginBody.getCode(),  loginBody.getUuid());
        // 登录前置校验
        loginService.loginPreCheck(loginBody.getUsername(), loginBody.getPassword());
        if (LoginType.TENANT.getValue().equals(loginBody.getLoginType())) {
            token = tenantSecretKeyService.login(loginBody.getUsername(), loginBody.getPassword());
        } else if (LoginType.AGENT.getValue().equals(loginBody.getLoginType())) {
            token = tenantAgentService.login(loginBody.getUsername(), loginBody.getPassword());
        } else {
            token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                    loginBody.getUuid());
        }

        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    /**
     * 获取用户信息
     *
     * @return 用户信息
     */
    @GetMapping("getInfo")
    public AjaxResult getInfo(HttpServletRequest request) {
        SysUser user = SecurityUtils.getLoginUser().getUser();
        // 角色集合
        Set<String> roles = permissionService.getRolePermission(user);
        // 权限集合
        Set<String> permissions = permissionService.getMenuPermission(user);

        // 切换数据源
        String tenantId = request.getHeader(Constants.TENANT_ID);

        AjaxResult ajax = AjaxResult.success();
        ajax.put("user", user);
        ajax.put("roles", roles);
        ajax.put("permissions", permissions);
        ajax.put("timeZone", datasourceService.selectSysDatasourceByTenantId(tenantId));
        ajax.put("timeZoneName", datasourceService.selectTimeZoneNameByTenantId(tenantId));
        return ajax;
    }

    /**
     * 获取路由信息
     *
     * @return 路由信息
     */
    @GetMapping("getRouters")
    public AjaxResult getRouters() {
        List<Long> roleIds = SecurityUtils.getRoles().stream().map(SysRole::getRoleId).collect(Collectors.toList());
        List<SysMenu> menus = new ArrayList<>();
        if (!CollectionUtils.isEmpty(roleIds)) {
            menus = menuService.selectMenuTree(roleIds);
        }

        return AjaxResult.success(menuService.buildMenus(menus));
    }
}