using System.Net;
using System.Net.Http.Json;
using System.Text.Json;
using DongfangHydro.Dashboard.Api.Data;
using DongfangHydro.Dashboard.Api.Domain;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Xunit;

namespace DongfangHydro.Dashboard.Tests;

public sealed class BomDataApiTests(DashboardApiFactory factory)
    : IClassFixture<DashboardApiFactory>
{
    [Fact]
    public async Task MaterialQuotas_supports_category_keyword_and_paging()
    {
        using var client = factory.CreateClient();
        Guid orderId;
        await using (var scope = factory.Services.CreateAsyncScope())
        {
            var dbContext = scope.ServiceProvider.GetRequiredService<DashboardDbContext>();
            orderId = await dbContext.ProductionOrders.Select(order => order.Id).FirstAsync();
            dbContext.MaterialQuotas.AddRange(
                CreateQuota(orderId, "钢板", "1010100182", "钢板/Q235B", 9),
                CreateQuota(orderId, "标准件", "1110100001", "螺栓/8.8级", 188));
            await dbContext.SaveChangesAsync();
        }

        var response = await client.GetAsync(
            $"/api/orders/{orderId}/material-quotas?category=钢板&keyword=Q235B&page=1&pageSize=10");
        var body = await response.Content.ReadFromJsonAsync<JsonElement>();

        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.Equal(1, body.GetProperty("total").GetInt32());
        var item = Assert.Single(body.GetProperty("items").EnumerateArray());
        Assert.Equal("钢板", item.GetProperty("category").GetString());
        Assert.Equal("1010100182", item.GetProperty("materialCode").GetString());
        Assert.Equal(33.61m, item.GetProperty("netWeight").GetDecimal());
        Assert.Equal(35.6266m, item.GetProperty("consumptionQuota").GetDecimal());
        Assert.Equal("33.61", item.GetProperty("netWeightText").GetString());
        Assert.Equal("35.6266", item.GetProperty("consumptionQuotaText").GetString());
        Assert.Equal(9, item.GetProperty("sourceRow").GetInt32());
    }

    [Fact]
    public async Task Tree_exposes_imported_bom_fields()
    {
        using var client = factory.CreateClient();
        Guid orderId;
        Guid nodeId;
        await using (var scope = factory.Services.CreateAsyncScope())
        {
            var dbContext = scope.ServiceProvider.GetRequiredService<DashboardDbContext>();
            var node = await dbContext.ProductionNodes.FirstAsync(item => item.NodeType == "process");
            orderId = node.OrderId;
            nodeId = node.Id;
            node.Specification = "M16";
            node.Material = "标准件";
            node.UnitWeight = 0.2m;
            node.TotalWeight = 1.6m;
            node.UnitWeightText = "0.2";
            node.TotalWeightText = "1.6";
            node.BomQuantity = -8m;
            node.BomQuantityText = "-8";
            node.Remark = "镀锌";
            node.SourceSequence = "1.1.2";
            node.SourceSheet = "明细";
            node.SourceRow = 10;
            await dbContext.SaveChangesAsync();
        }

        var root = await client.GetFromJsonAsync<JsonElement>($"/api/orders/{orderId}/tree");
        var nodeJson = FindNode(root, nodeId);

        Assert.Equal("M16", nodeJson.GetProperty("specification").GetString());
        Assert.Equal("标准件", nodeJson.GetProperty("material").GetString());
        Assert.Equal(0.2m, nodeJson.GetProperty("unitWeight").GetDecimal());
        Assert.Equal(1.6m, nodeJson.GetProperty("totalWeight").GetDecimal());
        Assert.Equal("0.2", nodeJson.GetProperty("unitWeightText").GetString());
        Assert.Equal("1.6", nodeJson.GetProperty("totalWeightText").GetString());
        Assert.Equal(-8m, nodeJson.GetProperty("bomQuantity").GetDecimal());
        Assert.Equal("-8", nodeJson.GetProperty("bomQuantityText").GetString());
        Assert.Equal("镀锌", nodeJson.GetProperty("remark").GetString());
        Assert.Equal("1.1.2", nodeJson.GetProperty("sourceSequence").GetString());
        Assert.Equal("明细", nodeJson.GetProperty("sourceSheet").GetString());
        Assert.Equal(10, nodeJson.GetProperty("sourceRow").GetInt32());
    }

    [Fact]
    public async Task Material_leaf_accepts_direct_progress_updates()
    {
        using var client = factory.CreateClient();
        var orderId = Guid.NewGuid();
        var rootId = Guid.NewGuid();
        var materialId = Guid.NewGuid();
        await using (var scope = factory.Services.CreateAsyncScope())
        {
            var dbContext = scope.ServiceProvider.GetRequiredService<DashboardDbContext>();
            dbContext.ProductionOrders.Add(new ProductionOrder
            {
                Id = orderId,
                Code = $"ZZ-MAT-{orderId:N}"[..24],
                ProductName = "物料报工测试",
                BatchQty = 1,
                RequiredQty = 10,
                Status = "waiting",
                RiskLevel = "normal",
                DataSource = "test",
                CreatedAt = DateTimeOffset.UtcNow,
                UpdatedAt = DateTimeOffset.UtcNow,
                RowVersion = [1],
            });
            dbContext.ProductionNodes.AddRange(
                new ProductionNode
                {
                    Id = rootId,
                    OrderId = orderId,
                    Code = "ROOT",
                    Name = "测试订单",
                    NodeType = "order",
                    SupplyType = "self_made",
                    RequiredQty = 10,
                    Status = "waiting",
                    RiskLevel = "normal",
                    UpdatedAt = DateTimeOffset.UtcNow,
                    RowVersion = [1],
                },
                new ProductionNode
                {
                    Id = materialId,
                    OrderId = orderId,
                    ParentNodeId = rootId,
                    Code = "MAT-01",
                    Name = "钢板",
                    Level = 1,
                    NodeType = "material",
                    SupplyType = "purchased",
                    RequiredQty = 10,
                    Status = "waiting",
                    RiskLevel = "normal",
                    UpdatedAt = DateTimeOffset.UtcNow,
                    RowVersion = [1],
                });
            await dbContext.SaveChangesAsync();
        }

        var tree = await client.GetFromJsonAsync<JsonElement>($"/api/orders/{orderId}/tree");
        var material = FindNode(tree, materialId);
        var response = await client.PatchAsJsonAsync(
            $"/api/nodes/{materialId}/progress",
            new
            {
                completedQty = 10,
                expectedVersion = material.GetProperty("version").GetString(),
                status = "done",
                riskLevel = "normal",
            });
        var body = await response.Content.ReadFromJsonAsync<JsonElement>();

        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.Equal("material", body.GetProperty("node").GetProperty("nodeType").GetString());
        Assert.Equal(100, body.GetProperty("node").GetProperty("progress").GetInt32());
    }

    private static MaterialQuota CreateQuota(
        Guid orderId,
        string category,
        string materialCode,
        string materialName,
        int sourceRow)
    {
        return new MaterialQuota
        {
            Id = Guid.NewGuid(),
            OrderId = orderId,
            Category = category,
            SourceSequence = "1",
            MaterialCode = materialCode,
            MaterialName = materialName,
            Specification = "δ2-1500",
            Unit = "kg",
            NetWeight = 33.61m,
            ConsumptionQuota = 35.6266m,
            NetWeightText = "33.61",
            ConsumptionQuotaText = "35.6266",
            Brand = "无",
            Remark = string.Empty,
            SourceSheet = "材料定额",
            SourceRow = sourceRow,
        };
    }

    private static JsonElement FindNode(JsonElement node, Guid nodeId)
    {
        if (node.GetProperty("id").GetGuid() == nodeId)
        {
            return node;
        }

        foreach (var child in node.GetProperty("children").EnumerateArray())
        {
            var match = FindNode(child, nodeId);
            if (match.ValueKind != JsonValueKind.Undefined)
            {
                return match;
            }
        }

        return default;
    }
}