package com.ruoyi.system.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.basic.PageInfo;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.entity.TDept;
import com.ruoyi.system.mapper.OaApprovalApplicationsMapper;
import com.ruoyi.system.model.OaApprovalApplications;
import com.ruoyi.system.query.ApprovalTodoListQuery;
import com.ruoyi.system.service.ISysUserService;
import com.ruoyi.system.service.OaApprovalApplicationsService;
import com.ruoyi.system.service.TDeptService;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.Objects;

/**
 * <p>
 * 审批申请记录表 服务实现类
 * </p>
 *
 * @author WuGuanFengYue
 * @since 2025-09-15
 */
@Service
@RequiredArgsConstructor(onConstructor_ = {@Lazy})
public class OaApprovalApplicationsServiceImpl extends ServiceImpl<OaApprovalApplicationsMapper, OaApprovalApplications> implements OaApprovalApplicationsService {
    private final ISysUserService sysUserService;
    private final TDeptService deptService;
    @Override
    public PageInfo<OaApprovalApplications> pageListAudit(ApprovalTodoListQuery query) {
        PageInfo<OaApprovalApplications> pageInfo = new PageInfo<>(query.getPageNum(), query.getPageSize());
        List<OaApprovalApplications> list = this.baseMapper.pageListAudit(query,pageInfo);
        pageInfo.setRecords( list);
        return pageInfo;
    }

    @Override
    public void assembleApplicationDetail(OaApprovalApplications app) {
        //查询申请人名称
        SysUser sysUser = sysUserService.selectUserById(Long.valueOf(app.getApplicantUserId()));
        if (Objects.nonNull(sysUser)) {
            app.setApplicantName(sysUser.getNickName());
        }
        //查询部门信息
        TDept dept = deptService.getById(app.getDeptId());
        if (Objects.nonNull(dept)) {
            app.setDeptName(dept.getDeptName());
        }
    }

    @Override
    public String generateApplicationCode(String prefix) {
        String dateStr = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));

        // 查询当天已生成的申请单号数量
        Long count = this.lambdaQuery()
                .likeRight(OaApprovalApplications::getApplicationCode, prefix)
                .ge(OaApprovalApplications::getCreateTime, LocalDate.now().atStartOfDay())
                .lt(OaApprovalApplications::getCreateTime, LocalDate.now().plusDays(1).atStartOfDay())
                .count();

        // 生成4位序号，从0001开始
        int sequence = (count != null ? count.intValue() : 0) + 1;
        String sequenceStr = String.format("%04d", sequence);

        return prefix + dateStr + sequenceStr;
    }
}