using Admin.NET.Plugin.ApprovalFlow;
using Admin.NET.Plugin.ApprovalFlow.Service;

namespace Admin.NET.Plugin.AiDOP.Order;

/// <summary>
/// 订单变更审批业务回调
/// 注册 BizType = "ORDER_CHANGE_REVIEW"
/// </summary>
public class OrderChangeReviewBizHandler : IFlowBizHandler, ITransient
{
    public string BizType => "ORDER_CHANGE_REVIEW";

    private readonly SqlSugarRepository<SeOrder> _seOrderRep;
    private readonly SqlSugarRepository<SeOrderEntry> _seOrderEntryRep;

    public OrderChangeReviewBizHandler(
        SqlSugarRepository<SeOrder> seOrderRep,
        SqlSugarRepository<SeOrderEntry> seOrderEntryRep)
    {
        _seOrderRep = seOrderRep;
        _seOrderEntryRep = seOrderEntryRep;
    }

    public async Task OnFlowStarted(long bizId, long instanceId)
    {
        try
        {
            await _seOrderRep.AsUpdateable()
                .SetColumns(o => o.FlowState == "审批中")
                .Where(o => o.Id == bizId)
                .ExecuteCommandAsync();
        }
        catch (Exception) { /* 表不存在时静默跳过 */ }
    }

    public async Task OnFlowCompleted(long bizId, long instanceId, FlowInstanceStatusEnum finalStatus, long? lastApproverId)
    {
        var state = finalStatus switch
        {
            FlowInstanceStatusEnum.Approved => "审批完成",
            FlowInstanceStatusEnum.Rejected => "已拒绝",
            FlowInstanceStatusEnum.Cancelled => "已撤销",
            _ => "已终止",
        };

        try
        {
            await _seOrderRep.AsUpdateable()
                .SetColumns(o => o.FlowState == state)
                .Where(o => o.Id == bizId)
                .ExecuteCommandAsync();

            // 审批通过时将订单明细进度重置为 0（新建/再评审）
            if (finalStatus == FlowInstanceStatusEnum.Approved)
            {
                await _seOrderEntryRep.AsUpdateable()
                    .SetColumns(e => e.Progress == "0")
                    .Where(e => e.SeOrderId == bizId)
                    .ExecuteCommandAsync();
            }
        }
        catch (Exception) { /* 表不存在时静默跳过 */ }
    }

    public Task OnNodeCompleted(long bizId, long instanceId, string nodeId, string nodeName, long? approverUserId)
    {
        return Task.CompletedTask;
    }

    public async Task<Dictionary<string, object>> GetBizData(long bizId)
    {
        try
        {
            var order = await _seOrderRep.GetByIdAsync(bizId);
            if (order == null) return new Dictionary<string, object>();
            return new Dictionary<string, object>
            {
                ["urgent"] = order.Urgent ?? 0,
                ["customLevel"] = order.CustomLevel ?? 0,
                ["orderType"] = order.OrderType ?? 0,
            };
        }
        catch (Exception) { return new Dictionary<string, object>(); }
    }
}