package kr.wisestone.owl.service.impl;


import kr.wisestone.owl.constant.MsgConstants;
import kr.wisestone.owl.domain.*;
import kr.wisestone.owl.exception.OwlRuntimeException;
import kr.wisestone.owl.repository.ProjectRoleRepository;
import kr.wisestone.owl.service.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;

@Service
public class ProjectRoleServiceImpl extends AbstractServiceImpl<ProjectRole, Long, JpaRepository<ProjectRole, Long>> implements ProjectRoleService {

    private static final Logger log = LoggerFactory.getLogger(ProjectRoleServiceImpl.class);

    @Autowired
    private ProjectRoleRepository projectRoleRepository;

    @Autowired
    private ProjectRoleUserService projectRoleUserService;

    @Autowired
    private ProjectRoleDepartmentService projectRoleDepartmentService;

    @Autowired
    private ProjectRolePermissionService projectRolePermissionService;

    @Override
    protected JpaRepository<ProjectRole, Long> getRepository() {
        return this.projectRoleRepository;
    }

    //  기본, 관리자 프로젝트 역할을 생성한다.
    @Override
    @Transactional
    public void addDefaultProjectRoleUser(Project project, List<User> managers, List<User> users) {
        ProjectRole projectRole = this.addProjectRole(project, "기본 프로젝트 역할", ProjectRole.TYPE_DEFAULT, Permission.ROLE_TYPE_PROJECT_JOIN);
        ProjectRole managerProjectRole = this.addProjectRole(project, "프로젝트 관리자 역할", ProjectRole.TYPE_MANAGER, Permission.ROLE_TYPE_PROJECT_MANAGER);
        //  프로젝트 관리자 저장
        this.projectRoleAssociatedUser(managers, managerProjectRole);
        //  프로젝트 일반 사용자 저장
        this.projectRoleAssociatedUser(users, projectRole);

        this.projectRoleRepository.flush();
    }

    //  프로젝트 역할 생성(관리자, 담당부서)
    @Override
    @Transactional
    public void addDefaultProjectRoleDepartment(Project project, List<User> managers, List<Department> departments) {
        ProjectRole projectRole = this.addProjectRole(project, "기본 프로젝트 역할", ProjectRole.TYPE_DEFAULT, Permission.ROLE_TYPE_PROJECT_JOIN);
        ProjectRole managerProjectRole = this.addProjectRole(project, "프로젝트 관리자 역할", ProjectRole.TYPE_MANAGER, Permission.ROLE_TYPE_PROJECT_MANAGER);
        //  프로젝트 관리자 저장
        this.projectRoleAssociatedUser(managers, managerProjectRole);
        //  프로젝트 일반 사용자 저장
        //this.projectRoleAssociatedUser(users, projectRole);
        //  프로젝트 담당 부서 저장
        this.projectRoleAssociatedDepartment(departments, projectRole);

        this.projectRoleRepository.flush();
    }

    //  프로젝트 역할가 사용자 연결
    private void projectRoleAssociatedUser(List<User> users, ProjectRole projectRole) {
        for (User user : users) {
            this.addDefaultProjectRoleAssociatedUser(projectRole, user);
        }
    }

    //  해당 역할과 사용자를 연결시킨다.
    private void addDefaultProjectRoleAssociatedUser(ProjectRole projectRole, User user) {
        ProjectRoleUser projectRoleUser = this.projectRoleUserService.findByProjectRoleIdAndUserId(projectRole.getId(), user.getId());

        if (projectRoleUser == null) {
            //  프로젝트 관리자 - 기본 프로젝트 역할에 추가.
            user.addProjectRole(projectRole);
        }
    }

    // 프로젝트 역할과 부서 연결
    private void projectRoleAssociatedDepartment(List<Department> departments, ProjectRole projectRole) {
        for (Department department : departments) {
            this.addDefaultProjectRoleAssociatedDepartment(projectRole, department);
        }
    }

    //  해당 역할과 부서를 연결시킨다.
    private void addDefaultProjectRoleAssociatedDepartment(ProjectRole projectRole, Department department) {
        ProjectRoleDepartment projectRoleDepartment = this.projectRoleDepartmentService.findByProjectRoleIdAndDepartmentId(projectRole.getId(), department.getId());

        if (projectRoleDepartment == null) {
            //  프로젝트 관리자 - 기본 프로젝트 역할에 추가.
            department.addProjectRole(projectRole);
        }
    }

    //  프로젝트 역할을 생성한다.
    private ProjectRole addProjectRole(Project project, String projectRoleName, String projectRoleType, String permissionType) {
        ProjectRole projectRole = new ProjectRole(project, projectRoleName, projectRoleType);
        this.projectRoleRepository.saveAndFlush(projectRole);
        this.projectRolePermissionService.addDefaultProjectRoleAssociatedPermissions(projectRole, permissionType);
        return projectRole;
    }

    //  해당 프로젝트 역할을 조회한다.
    @Override
    @Transactional(readOnly = true)
    public ProjectRole findByProjectIdAndRoleType(Long projectId, String roleType) {
        ProjectRole projectRole = this.projectRoleRepository.findByProjectIdAndRoleType(projectId, roleType);

        if (projectRole == null) {
            throw new OwlRuntimeException(this.messageAccessor.getMessage(MsgConstants.PROJECT_ROLE_NOT_EXIST));
        }

        return projectRole;
    }
}