using System.Globalization;
using Oms.Domain.WarehouseAggregate.Entities;

namespace Oms.Application.Labeling;

/// <summary>
/// 入库箱唛 PrintData（camelCase，与 hiprint 字段对齐；箱唛为主、SKU 为辅）。
/// </summary>
public static class InboundBoxLabelPrintDataBuilder
{
    public static IReadOnlyDictionary<string, object?> Build(
        CInboundNotice notice,
        CInboundBox box,
        IReadOnlyList<CInboundBoxLine> lines,
        IReadOnlyDictionary<int, CSku> skuMap,
        string? warehouseName = null,
        string? customerName = null,
        string? customerCode = null,
        string? operatorName = null,
        DateTime? printTime = null,
        int pageIndex = 1,
        int pageCount = 1)
    {
        var barcode = ResolveBarcode(notice.NoticeNo, box);
        var skuLines = lines
            .OrderBy(x => x.Id)
            .Select(line =>
            {
                skuMap.TryGetValue(line.SkuId, out var sku);
                var skuCode = FirstNonEmpty(line.SkuCode, sku?.SkuCode) ?? string.Empty;
                var skuName = sku?.SkuName ?? string.Empty;
                return new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
                {
                    ["skuCode"] = skuCode,
                    ["skuName"] = skuName,
                    ["qty"] = line.PlannedQty
                };
            })
            .ToList();

        var first = skuLines.FirstOrDefault();
        var skuSummary = string.Join(
            "\n",
            skuLines.Select(x =>
            {
                var code = Convert.ToString(x.GetValueOrDefault("skuCode")) ?? string.Empty;
                var name = Convert.ToString(x.GetValueOrDefault("skuName")) ?? string.Empty;
                var qty = Convert.ToString(x.GetValueOrDefault("qty")) ?? "0";
                return string.IsNullOrWhiteSpace(name)
                    ? $"{code}×{qty}"
                    : $"{code} {name}×{qty}";
            }));

        return new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
        {
            ["noticeNo"] = notice.NoticeNo,
            ["markReference"] = notice.MarkReference,
            ["inboundType"] = notice.InboundType,
            ["receiptStatus"] = notice.ReceiptStatus,
            ["remark"] = notice.Remark,

            ["boxId"] = box.Id,
            ["boxSeqNo"] = box.BoxSeqNo,
            ["boxCount"] = pageCount,
            ["markBoxNo"] = box.MarkBoxNo,
            ["barcode"] = barcode,

            ["warehouseName"] = warehouseName,
            ["customerCode"] = customerCode,
            ["customerName"] = customerName,

            ["weightG"] = box.WeightG,
            ["lengthCm"] = box.LengthCm,
            ["widthCm"] = box.WidthCm,
            ["heightCm"] = box.HeightCm,
            ["weightUnit"] = "G",
            ["dimUnit"] = "CM",

            ["skuSummary"] = skuSummary,
            ["skuCode"] = first?.GetValueOrDefault("skuCode"),
            ["skuName"] = first?.GetValueOrDefault("skuName"),
            ["skuQty"] = first?.GetValueOrDefault("qty"),
            ["items"] = skuLines,

            ["pageIndex"] = pageIndex,
            ["pageCount"] = pageCount,
            ["boxIndexText"] = $"{pageIndex}/{pageCount}",

            ["printTime"] = (printTime ?? DateTime.Now).ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture),
            ["operatorName"] = operatorName
        };
    }

    /// <summary>
    /// 设计预览用 Mock PrintData。
    /// </summary>
    public static IReadOnlyDictionary<string, object?> BuildMock() =>
        new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
        {
            ["noticeNo"] = "IN202610220001",
            ["markReference"] = "SF1234567890",
            ["inboundType"] = "normal",
            ["receiptStatus"] = "forecasted",
            ["remark"] = null,
            ["boxId"] = 1,
            ["boxSeqNo"] = "1",
            ["boxCount"] = 2,
            ["markBoxNo"] = "BOX-001",
            ["barcode"] = "BOX-001",
            ["warehouseName"] = "SZ-01",
            ["customerCode"] = "AF0A1",
            ["customerName"] = "Demo Customer",
            ["weightG"] = 1200m,
            ["lengthCm"] = 30m,
            ["widthCm"] = 20m,
            ["heightCm"] = 15m,
            ["weightUnit"] = "G",
            ["dimUnit"] = "CM",
            ["skuSummary"] = "SKU001 T-Shirt×2\nSKU002 Pants×1",
            ["skuCode"] = "SKU001",
            ["skuName"] = "T-Shirt",
            ["skuQty"] = 2,
            ["items"] = new List<Dictionary<string, object?>>
            {
                new()
                {
                    ["skuCode"] = "SKU001",
                    ["skuName"] = "T-Shirt",
                    ["qty"] = 2
                },
                new()
                {
                    ["skuCode"] = "SKU002",
                    ["skuName"] = "Pants",
                    ["qty"] = 1
                }
            },
            ["pageIndex"] = 1,
            ["pageCount"] = 2,
            ["boxIndexText"] = "1/2",
            ["printTime"] = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture),
            ["operatorName"] = "preview"
        };

    public static string ResolveBarcode(string noticeNo, CInboundBox box)
    {
        if (!string.IsNullOrWhiteSpace(box.MarkBoxNo))
        {
            return box.MarkBoxNo.Trim();
        }

        var seq = string.IsNullOrWhiteSpace(box.BoxSeqNo) ? "1" : box.BoxSeqNo.Trim();
        var no = string.IsNullOrWhiteSpace(noticeNo) ? "IN" : noticeNo.Trim();
        return $"{no}-{seq}";
    }

    private static string? FirstNonEmpty(params string?[] values) =>
        values.FirstOrDefault(x => !string.IsNullOrWhiteSpace(x));
}