using Fake.Application;
using Fake.DependencyInjection;
using Microsoft.Extensions.DependencyInjection;
using Newtonsoft.Json;
using Oms.Application.Dtos.Orders;
using Oms.Application.Messaging;
using Oms.Domain.OrdersAggregate.Consts;

namespace Oms.Application.Services.Orders.Batch;

/// <summary>
/// 订单状态/支付/异常/单据类批量操作执行器。
/// </summary>
public sealed class OrderBatchOrderActionHandler(IServiceScopeFactory scopeFactory) : IScopedDependency
{
    public async Task<OrderBatchActionExecuteResult> ExecuteAsync(
        OrderBatchJobMessage message,
        CancellationToken cancellationToken = default)
    {
        try
        {
            using var scope = scopeFactory.CreateScope();
            var orderService = scope.ServiceProvider.GetRequiredService<OrderService>();

            switch (message.Action)
            {
                case OrderBatchActionCodes.Pay:
                    await orderService.PayForBatchAsync(message.OrderId, cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                case OrderBatchActionCodes.PreDeclare:
                    await orderService.PreDeclareForBatchAsync(message.OrderId, cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                case OrderBatchActionCodes.Intercept:
                    await orderService.InterceptForBatchAsync(message.OrderId, cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                case OrderBatchActionCodes.CancelIntercept:
                    await orderService.CancelInterceptForBatchAsync(message.OrderId, cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                case OrderBatchActionCodes.Delete:
                    await orderService.DeleteForBatchAsync(message.OrderId, cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                case OrderBatchActionCodes.Print:
                {
                    var print = await orderService.PrintForBatchAsync(message.OrderId, cancellationToken);
                    return OrderBatchActionExecuteResult.Ok(
                        resultJson: JsonConvert.SerializeObject(new { printUrl = print.PrintUrl }));
                }

                case OrderBatchActionCodes.GenerateLabelPdf:
                {
                    var result = await orderService.GenerateLabelPdfForBatchAsync(message.OrderId, cancellationToken);
                    if (!result.Success)
                    {
                        return OrderBatchActionExecuteResult.BusinessFail(result.Error ?? "面单生成失败");
                    }

                    return OrderBatchActionExecuteResult.Ok(
                        resultJson: JsonConvert.SerializeObject(new { labelUrl = result.LabelUrl }));
                }

                case OrderBatchActionCodes.MarkProblematic:
                    await orderService.MarkProblematicForBatchAsync(
                        message.OrderId,
                        message.PayloadJson,
                        message.OperatorUserId,
                        cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                case OrderBatchActionCodes.MarkClaimed:
                    await orderService.MarkClaimedForBatchAsync(
                        message.OrderId,
                        message.PayloadJson,
                        cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                case OrderBatchActionCodes.HandleStatusUpdate:
                    await orderService.UpdateHandleStatusForBatchAsync(
                        message.OrderId,
                        message.PayloadJson,
                        cancellationToken);
                    return OrderBatchActionExecuteResult.Ok();

                default:
                    return OrderBatchActionExecuteResult.BusinessFail($"未实现的批量操作: {message.Action}");
            }
        }
        catch (BusinessException ex)
        {
            return OrderBatchActionExecuteResult.BusinessFail(ex.Message);
        }
        catch (Exception ex)
        {
            return OrderBatchActionExecuteResult.SystemFail(ex.Message);
        }
    }
}