namespace SafeCampus.Application;

/// <inheritdoc cref="IOrgService"/>
public class OrgService : DbRepository<SysOrg>, IOrgService
{
    private readonly ISysOrgService _sysOrgService;
    private readonly ISysUserService _sysUserService;

    public OrgService(ISysOrgService sysOrgService, ISysUserService sysUserService)
    {
        _sysOrgService = sysOrgService;
        _sysUserService = sysUserService;
    }

    /// <inheritdoc/>
    public async Task<SqlSugarPagedList<SysOrg>> Page(SysOrgPageInput input)
    {
        //获取数据范围
        var dataScope = await _sysUserService.GetLoginUserApiDataScope();
        dataScope?.Remove(UserManager.OrgId);
        //构建查询
        var query = Context.Queryable<SysOrg>()
            .WhereIF(dataScope != null, it => dataScope.Contains(it.Id))//机构ID查询
            .WhereIF(input.ParentId > 0,
                it => it.ParentId == input.ParentId || SqlFunc.JsonLike(it.ParentIdList, input.ParentId.ToString()))//父级
            .WhereIF(!string.IsNullOrEmpty(input.Name), it => it.Name.Contains(input.Name))//根据名称查询
            .WhereIF(!string.IsNullOrEmpty(input.Code), it => it.Code.Contains(input.Code))//根据编码查询
            .WhereIF(!string.IsNullOrEmpty(input.Status), it => it.Status == input.Status)//根据状态查询
            .OrderByIF(!string.IsNullOrEmpty(input.SortField), $"{input.SortField} {input.SortOrder}").OrderBy(it => it.SortCode)
            .OrderBy(it => it.CreateTime);//排序
        var pageInfo = await query.ToPagedListAsync(input.PageNum, input.PageSize);//分页
        return pageInfo;
    }

    /// <inheritdoc />
    public async Task<List<SysOrg>> Tree(SysOrgTreeInput input = null)
    {
        //获取数据范围
        var dataScope = await _sysUserService.GetLoginUserApiDataScope();
        //构建机构树
        var result = await _sysOrgService.Tree(dataScope, input);
        return result;
    }

    /// <inheritdoc />
    public async Task Add(SysOrgAddInput input)
    {
        await CheckInput(input, SystemConst.ADD);//检查参数
        await _sysOrgService.Add(input, ApplicationConst.BIZ_ORG);
    }

    /// <inheritdoc />
    public async Task Edit(SysOrgEditInput input)
    {
        await CheckInput(input, SystemConst.EDIT);//检查参数
        await _sysOrgService.Edit(input, ApplicationConst.BIZ_ORG);
    }

    /// <inheritdoc />
    public async Task Copy(SysOrgCopyInput input)
    {
        //获取数据范围
        var dataScope = await _sysUserService.GetLoginUserApiDataScope();
        if (dataScope == null || dataScope.Count > 0)//如果有机构
        {
            if (dataScope is { Count: > 0 } && (!dataScope.ContainsAll(input.Ids) || !dataScope.Contains(input.TargetId)))//判断目标机构和需要复制的机构是否都在数据范围里面
                throw Oops.Bah("您没有权限复制这些机构");
            await _sysOrgService.Copy(input);//复制操作
        }
    }

    /// <inheritdoc />
    public async Task Delete(BaseIdListInput input)
    {
        //获取所有ID
        var ids = input.Ids;
        //获取要删除的机构列表
        var orgList = (await _sysOrgService.GetListAsync()).Where(it => ids.Contains(it.Id)).ToList();
        if (orgList.Any(it => it.Category == CateGoryConst.ORG_COMPANY))//如果有公司{
            throw Oops.Bah("不能删除根机构");
        //检查数据范围
        var orgIds = orgList.Select(it => it.Id).ToList();
        var createUserIds = orgList.Select(it => it.CreateUserId.GetValueOrDefault()).ToList();
        await _sysUserService.CheckApiDataScope(orgIds, createUserIds, "您没有权限删除这些机构");
        await _sysOrgService.Delete(input, ApplicationConst.BIZ_ORG);//删除操作
    }

    /// <inheritdoc />
    public async Task<SysOrg> Detail(BaseIdInput input)
    {
        var org = await _sysOrgService.GetSysOrgById(input.Id);//获取机构
        var errorMessage = "您没有权限查看该机构";
        //判断数据范围
        await _sysUserService.CheckApiDataScope(org.Id, org.CreateUserId.GetValueOrDefault(), errorMessage);
        return org;
    }

    #region 方法

    /// <summary>
    /// 检查输入参数
    /// </summary>
    /// <param name="sysOrg">参数</param>
    /// <param name="operate">操作名称</param>
    private async Task CheckInput(SysOrg sysOrg, string operate)
    {
        sysOrg.Category = CateGoryConst.ORG_DEPT;//设置分类为部门,业务只能操作部门
        if (sysOrg.ParentId == SafeCampusConst.ZERO)
        {
            throw Oops.Bah($"不能{operate}根机构");
        }
        var errorMessage = $"您没有权限{operate}该机构";
        //获取数据范围
        var dataScope = await _sysUserService.GetLoginUserApiDataScope();
        if (dataScope is { Count: > 0 })//如果有机构
        {
            if (sysOrg.Id > 0 && !dataScope.Contains(sysOrg.Id))//如果id不为0判断是否在数据范围
                throw Oops.Bah(errorMessage);
            if (!dataScope.Contains(sysOrg.ParentId))//判断父ID是否在数据范围
                throw Oops.Bah($"{errorMessage}下的机构");
        }
        else if (dataScope is { Count: 0 })
        {
            //如果id大于0表示编辑
            if (sysOrg.Id > 0)
            {
                var org = await _sysOrgService.GetSysOrgById(sysOrg.Id);//获取机构
                if (org.CreateUserId != UserManager.UserId)
                    throw Oops.Bah(errorMessage);//机构的创建人不是自己则报错
            }
            else
            {
                throw Oops.Bah(errorMessage);
            }
        }
    }

    #endregion 方法
}