package com.iconplus.smartproc.service.permission;

import com.iconplus.smartproc.exception.BusinessException;
import com.iconplus.smartproc.helper.model.EmptyResponse;
import com.iconplus.smartproc.helper.service.BaseService;
import com.iconplus.smartproc.model.entity.Menus;
import com.iconplus.smartproc.model.entity.Permission;
import com.iconplus.smartproc.model.entity.Roles;
import com.iconplus.smartproc.model.request.ListPermissionRequest;
import com.iconplus.smartproc.model.request.PermissionRequest;
import com.iconplus.smartproc.repository.MenusRepository;
import com.iconplus.smartproc.repository.PermissionRepository;
import com.iconplus.smartproc.repository.RolesRepository;
import com.iconplus.smartproc.util.Constants;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Service;

import javax.transaction.Transactional;
import java.util.ArrayList;
import java.util.List;

@Service
public class PutUpdatePermissionService implements BaseService<ListPermissionRequest, EmptyResponse> {

    private PermissionRepository permissionRepository;
    private MenusRepository menusRepository;
    private RolesRepository rolesRepository;
    public PutUpdatePermissionService(PermissionRepository permissionRepository,
                                      MenusRepository menusRepository,
                                      RolesRepository rolesRepository) {
        this.permissionRepository = permissionRepository;
        this.menusRepository = menusRepository;
        this.rolesRepository = rolesRepository;
    }

    @Transactional
    @Override
    public EmptyResponse execute(ListPermissionRequest input) {

        Roles role = rolesRepository.findByIdAndIsDeleteFalse(input.getRoleId())
                .orElseThrow(() -> new BusinessException(Constants.ERR_CODE_10005,
                        Constants.ERR_TTL_10005,
                        String.format(Constants.ERR_MSG_10005, input.getRoleId())));

        List<Permission> permissionList = new ArrayList<>();

        for (PermissionRequest permissionRequest : input.getData()) {
            Permission permission = getPermission(permissionRequest, role);
            permissionList.add(permission);
        }

        permissionRepository.saveAll(permissionList);

        return new EmptyResponse();
    }

    public Menus findMenuById(Long menuId) {
        var menus = menusRepository.findByIdAndIsDeleteFalse(menuId);
        if (menus.isEmpty()) {
            throw new BusinessException(HttpStatus.CONFLICT,
                    "err",
                    "err",
                    "err");
        }
        return menus.get();
    }

    private Permission getPermission(PermissionRequest permissionRequest, Roles roles) {
        var permission = permissionRepository.findByRoleIdAndMenuIdAndIsDeleteFalse(roles.getId(), permissionRequest.getMenuId());
        if (permission.isPresent()) {
            permission.get().setCanView(permissionRequest.getCanView());
            permission.get().setCanRead(permissionRequest.getCanRead());
            permission.get().setCanCreate(permissionRequest.getCanCreate());
            permission.get().setCanUpdate(permissionRequest.getCanUpdate());
            permission.get().setCanDelete(permissionRequest.getCanDelete());
            return permission.get();
        } else {
            return Permission.builder()
                    .roleId(roles.getId())
                    .menuId(permissionRequest.getMenuId())
                    .canView(permissionRequest.getCanView())
                    .canRead(permissionRequest.getCanRead())
                    .canCreate(permissionRequest.getCanCreate())
                    .canUpdate(permissionRequest.getCanUpdate())
                    .canDelete(permissionRequest.getCanDelete())
                    .isDelete(false)
                    .build();
        }
    }

}