using DS.Module.Core;
using DS.Module.SqlSugar;
using DS.WMS.Core.Flow.Dtos;
using DS.WMS.Core.Flow.Entity;
using DS.WMS.Core.Flow.Interface;
using DS.WMS.Core.Op.Entity;
using DS.WMS.Core.Sys.Entity;
using Mapster;
using Microsoft.Extensions.DependencyInjection;

namespace DS.WMS.Core.Flow.Method;

/// <summary>
/// 租户端工作流实例管理
/// </summary>
public class ClientFlowInstanceService : FlowInstanceService, IClientFlowInstanceService
{
    readonly ISaasDbService saasService;

    public ClientFlowInstanceService(IServiceProvider serviceProvider) : base(serviceProvider)
    {
        saasService = serviceProvider.GetRequiredService<ISaasDbService>();
    }

    protected override FlowInstance BuildInstance(CreateFlowInstanceReq req)
    {
        if (string.IsNullOrEmpty(req.TemplateId.ToString()))
            return null;

        FlowTemplateTenant template = db.Queryable<FlowTemplateTenant>().First(x => x.Id == req.TemplateId);

        return template == null ? null : new FlowInstance
        {
            CustomName = template.Name,
            TemplateId = template.Id,
            BusinessId = req.BusinessId,
            BusinessType = req.BusinessType,
            PermissionId = template.PermissionId,
            ColumnView = template.ColumnView,
            Content = template.Content,
            CallbackURL = template.CallbackURL,
            AuditType = template.AuditType
        };
    }

    protected override string GetForkNodeMakers(FlowRuntime wfruntime, string forkNodeId)
    {
        string makerList = "";

        var nextNode = wfruntime.NextNode;

        var nextConditionNodeId = wfruntime.GetClientNextConditionNodeId(nextNode);
        var nextConditionNode = wfruntime.ChildNodes.First(x => x.Id == nextConditionNodeId);
        if (nextConditionNode.AssigneeType == "role")
        {
            var users = db.Queryable<SysRoleUser>().Where(x =>
                    nextConditionNode.Roles.Contains(x.RoleId.ToString()))
                .Select(x => x.UserId).Distinct().ToList();
            makerList = GenericHelper.ArrayToString(users, makerList);
        }
        else if (nextConditionNode.AssigneeType == "user")
        {
            makerList = string.Join(",", nextConditionNode.Users);
        }

        return makerList;
    }

    protected override FlowRuntime CreateRuntimeService(FlowInstance instance)
    {
        return new FlowRuntime(instance, db, saasService, user);
    }

    /// <summary>
    /// 获取工作流实例信息
    /// </summary>
    /// <param name="businessId">业务ID</param>
    /// <param name="businessType">业务类型</param>
    /// <returns></returns>
    public DataResult<List<FlowInstanceRes>> GetFlowInstances(long businessId, BusinessType? businessType)
    {
        var query = db.Queryable<FlowInstance>().Where(x => x.BusinessId == businessId && x.BusinessType == businessType && x.FlowStatus != 1);
        if (businessType.HasValue)
            query = query.Where(x => x.BusinessType == businessType.Value);

        var list = query.OrderBy(x => x.CreateTime).Select(x => new FlowInstance
        {
            Content = x.Content,
            AuditType = x.AuditType,
            //CreateBy = x.CreateBy,
            //CreateTime = x.CreateTime
        }).ToList();
        return DataResult<List<FlowInstanceRes>>.Success(list.Select(x => x.Adapt<FlowInstanceRes>()).ToList());
    }

    /// <summary>
    /// 工作流审批
    /// </summary>
    /// <param name="info">工作流实例</param>
    /// <returns></returns>
    public DataResult AuditFlowInstance(FlowAuditInfo info)
    {
        if (info == null)
            return DataResult.Failed("该工作流不存在!", MultiLanguageConst.FlowInstanceNotExist);

        if (info.Instance.FlowStatus == FlowStatusEnum.Approve.ToEnumInt())
            return DataResult.Failed("该工作流已完成!", MultiLanguageConst.FlowInstanceFinished);

        return AuditFlowCore(info.Status, info.AuditNote, info.Instance);
    }
}