using Fake.Application;
using Fake.Rbac.Application.Jwt;
using Fake.Rbac.Domain.Managers;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Oms.Application.Dtos.OpenApi;
using Oms.Application.Dtos.Operations;
using Oms.Application.Rbac;
using Oms.Application.Services.Operations;
using Oms.Application.Services.Orders;
using Oms.Application.Shared;
using Oms.Domain.OrdersAggregate.Consts;
using Oms.Domain.OrdersAggregate.Repositories;

namespace Oms.Application.Services.OpenApi;

/// <summary>
/// 仓配对外开放 API（Swagger 文档分组：warehouseOpenApi）。
/// 鉴权：Authorization: {token}（账号密码换取，有效期 48 小时；无需 Bearer 前缀）。
/// 与客户 HMAC 分组 openApi 相互独立。
/// </summary>
[ApiExplorerSettings(GroupName = "warehouseOpenApi")]
public class WarehouseOpenApiService : ApplicationService
{
    private AccountManager AccountManager =>
        LazyServiceProvider.GetRequiredService<AccountManager>();

    private IJwtService JwtService =>
        LazyServiceProvider.GetRequiredService<IJwtService>();

    private OpenApiTokenIssuer TokenIssuer =>
        LazyServiceProvider.GetRequiredService<OpenApiTokenIssuer>();

    private IOrderRepository OrderRepository =>
        LazyServiceProvider.GetRequiredService<IOrderRepository>();

    private OrderFileManager OrderFileManager =>
        LazyServiceProvider.GetRequiredService<OrderFileManager>();

    private InboundRecordService InboundRecordService =>
        LazyServiceProvider.GetRequiredService<InboundRecordService>();

    private OutboundRecordService OutboundRecordService =>
        LazyServiceProvider.GetRequiredService<OutboundRecordService>();

    /// <summary>
    /// 获取 Token（有效期 48 小时）。后续请求 Header：Authorization: {token}（无需 Bearer）。
    /// </summary>
    [AllowAnonymous]
    [HttpPost("/openapi/warehouse/token")]
    [Consumes("application/json")]
    [Produces("application/json")]
    public async Task<string> GetTokenAsync(
        [FromBody] OpenApiGetTokenInput input,
        CancellationToken cancellationToken = default)
    {
        if (input == null
            || string.IsNullOrWhiteSpace(input.Username)
            || string.IsNullOrWhiteSpace(input.Password))
        {
            throw new BusinessException("用户名或密码不能为空");
        }

        var user = await AccountManager.ValidateCredentialsAsync(
            input.Username.Trim(),
            input.Password,
            cancellationToken);
        var profileRepository = LazyServiceProvider.GetRequiredService<UserProfileRepository>();
        await profileRepository.EnsureEnabledOrThrowAsync(user.Id, cancellationToken);
        var claims = await JwtService.GenerateClaimsByUserIdAsync(user.Id, cancellationToken);
        return TokenIssuer.Issue(claims);
    }

    /// <summary>
    /// 入库上传件重尺。与操作台「入库扫描」页「入库」按钮同源（POST /operation/inbound/create）。
    /// 写入收货件重尺、入库记录，并触发入库计费/自动触发。重量默认 kg，长度默认 cm。
    /// Header：Authorization: {token}（无需 Bearer）。
    /// </summary>
    [Authorize]
    [HttpPost("/openapi/warehouse/inbound")]
    [Consumes("application/json")]
    [Produces("application/json")]
    public Task<OpenApiSimpleResult> InboundAsync([FromBody] OpenApiUploadWeightInput input) =>
        UploadWeightCoreAsync(input, forceMode: 0);

    /// <summary>
    /// 上传件重尺。mode：0=入库（同「入库」按钮），1=出库（同「出库」按钮）。
    /// Header：Authorization: {token}（无需 Bearer）。
    /// </summary>
    [Authorize]
    [HttpPost("/openapi/warehouse/weight/upload")]
    [Consumes("application/json")]
    [Produces("application/json")]
    public Task<OpenApiSimpleResult> UploadWeightAsync([FromBody] OpenApiUploadWeightInput input) =>
        UploadWeightCoreAsync(input, forceMode: null);

    private async Task<OpenApiSimpleResult> UploadWeightCoreAsync(
        OpenApiUploadWeightInput? input,
        int? forceMode)
    {
        try
        {
            if (input == null || string.IsNullOrWhiteSpace(input.OrderNo))
            {
                return OpenApiSimpleResult.Fail("订单号不能为空");
            }

            var mode = forceMode ?? input.Mode;
            var weightKg = OpenApiMeasureUnitConverter.ToKilograms(input.Weight, input.WeightUnit);
            var lengthCm = OpenApiMeasureUnitConverter.ToCentimeters(input.Length, input.LengthUnit);
            var widthCm = OpenApiMeasureUnitConverter.ToCentimeters(input.Width, input.LengthUnit);
            var heightCm = OpenApiMeasureUnitConverter.ToCentimeters(input.Height, input.LengthUnit);
            var orderNo = input.OrderNo.Trim();

            if (weightKg <= 0 || lengthCm <= 0 || widthCm <= 0 || heightCm <= 0)
            {
                return OpenApiSimpleResult.Fail("实重与长宽高须大于 0");
            }

            if (mode == 1)
            {
                await OutboundRecordService.CreateAsync(new CreateOutboundRecordInput
                {
                    WaybillNo = orderNo,
                    Weight = weightKg,
                    Length = lengthCm,
                    Width = widthCm,
                    Height = heightCm
                });
                return OpenApiSimpleResult.Ok("出库成功");
            }

            if (mode == 0)
            {
                // 与入库扫描页「入库」按钮同一实现：InboundRecordService.CreateAsync
                var result = await InboundRecordService.CreateAsync(new CreateInboundRecordInput
                {
                    WaybillNo = orderNo,
                    Weight = weightKg,
                    Length = lengthCm,
                    Width = widthCm,
                    Height = heightCm
                });
                var statusName = string.IsNullOrWhiteSpace(result.OrderStatusName)
                    ? "入库成功"
                    : $"入库成功（{result.OrderStatusName}）";
                return OpenApiSimpleResult.Ok(statusName);
            }

            return OpenApiSimpleResult.Fail("mode 仅支持 0（入库）或 1（出库）");
        }
        catch (BusinessException ex)
        {
            return OpenApiSimpleResult.Fail(ex.Message);
        }
        catch (Exception ex)
        {
            return OpenApiSimpleResult.Fail(
                string.IsNullOrWhiteSpace(ex.Message) ? "系统异常" : ex.Message);
        }
    }

    /// <summary>
    /// 上传红外图片。Base64 解码后转存 COS，写入订单附件 fileType=infraredImage（Source=upload），
    /// 与订单详情「附件」Tab →「红外图片」→「点击上传」（POST /order/files/upload）同源展示。
    /// 成功无响应体。Header：Authorization: {token}（无需 Bearer）。
    /// </summary>
    [Authorize]
    [HttpPost("/openapi/warehouse/image/upload")]
    [Consumes("application/json")]
    [ProducesResponseType(StatusCodes.Status204NoContent)]
    public async Task<IActionResult> UploadImageAsync(
        [FromBody] OpenApiUploadImageInput input,
        CancellationToken cancellationToken = default)
    {
        if (input == null || string.IsNullOrWhiteSpace(input.OrderNo))
        {
            throw new BusinessException("订单号不能为空");
        }

        if (string.IsNullOrWhiteSpace(input.ImageBase64))
        {
            throw new BusinessException("图片内容不能为空");
        }

        var order = await OrderRepository.GetByWaybillNoAsync(input.OrderNo.Trim(), cancellationToken)
            ?? throw new BusinessException("未找到对应订单，请检查单号");

        var operatorUserId = CurrentUser.IsAuthenticated ? CurrentUser.GetId<int>() : 0;
        // 固定红外图片类型，路径 uploads/order-files/{orderId}/infraredImage/...
        await OrderFileManager.AddFromBase64Async(
            order.Id,
            OrderFileTypeCodes.InfraredImage,
            input.ImageBase64,
            operatorUserId,
            cancellationToken);

        return new NoContentResult();
    }
}