package com.mosquito.project.permission;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.List;
import java.util.Optional;

/**
 * 审批流服务
 */
@Service
public class ApprovalFlowService {

    // 审批状态常量
    public static final String STATUS_PENDING = "pending";
    public static final String STATUS_APPROVED = "approved";
    public static final String STATUS_REJECTED = "rejected";
    public static final String STATUS_PROCESSING = "processing";

    // 审批动作
    public static final String ACTION_SUBMIT = "submit";
    public static final String ACTION_APPROVE = "approve";
    public static final String ACTION_REJECT = "reject";
    public static final String ACTION_TRANSFER = "transfer";

    /**
     * 提交审批申请
     */
    @Transactional
    public Long submitApproval(Long flowId, String bizType, String bizId, String title,
                                Long applicantId, String applicantName, String applyReason) {
        // 创建审批记录
        Long recordId = recordId++; // TODO: 实际创建记录
        return recordId;
    }

    /**
     * 处理审批
     */
    @Transactional
    public boolean handleApproval(Long recordId, String action, Long operatorId,
                                  String operatorName, String comment) {
        // 处理审批逻辑
        return true;
    }

    /**
     * 获取待审批列表
     */
    public List<Object> getPendingApprovals(Long userId) {
        return List.of();
    }

    /**
     * 获取已审批列表
     */
    public List<Object> getApprovedList(Long userId) {
        return List.of();
    }

    /**
     * 获取我发起的审批
     */
    public List<Object> getMyApplications(Long userId) {
        return List.of();
    }

    /**
     * 获取审批记录详情
     */
    public Optional<Object> getRecordById(Long recordId) {
        return Optional.empty();
    }

    /**
     * 获取审批历史
     */
    public List<Object> getApprovalHistory(Long recordId) {
        return List.of();
    }
}
