using Microsoft.EntityFrameworkCore;
using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.AdminUI.Clients;
using ZB.MOM.WW.OtOpcUa.Configuration;
using ZB.MOM.WW.OtOpcUa.Configuration.Entities;

namespace ZB.MOM.WW.OtOpcUa.AdminUI.Tests;

/// <summary>A-F4 / A-F5: <c>/fleet</c> links to the per-node diagnostics page, which shows authored names.</summary>
[Trait("Category", "Unit")]
public sealed class FleetDiagnosticsLinksTests
{
    [Fact]
    public void Link_escapes_the_node_id()
        => FleetDiagnosticsLinks.For("host-a:4053").ShouldBe("/fleet/diagnostics?node=host-a%3A4053");

    [Fact]
    public async Task Display_names_join_from_the_config_db_and_unknown_ids_are_absent()
    {
        var name = Guid.NewGuid().ToString("N");
        var options = new DbContextOptionsBuilder<OtOpcUaConfigDbContext>().UseInMemoryDatabase(name).Options;
        await using (var seed = new OtOpcUaConfigDbContext(options))
        {
            seed.DriverInstances.Add(new DriverInstance
            {
                DriverInstanceId = "drv-press-1", ClusterId = "MAIN", Name = "Press line Modbus",
                DriverType = "Modbus", DriverConfig = "{}",
            });
            await seed.SaveChangesAsync(TestContext.Current.CancellationToken);
        }

        await using var db = new OtOpcUaConfigDbContext(options);
        var names = await FleetDiagnosticsLinks.LoadDisplayNamesAsync(db, ["drv-press-1", "drv-unknown"], TestContext.Current.CancellationToken);

        names["DRV-PRESS-1"].ShouldBe("Press line Modbus"); // the returned map is case-insensitive
        names.ContainsKey("drv-unknown").ShouldBeFalse();

        (await FleetDiagnosticsLinks.LoadDisplayNamesAsync(db, [], TestContext.Current.CancellationToken)).ShouldBeEmpty();
    }

    [Fact]
    public void Fleet_rows_link_driver_nodes_and_the_page_uses_the_names()
    {
        AdminUiSource.Read("Components", "Pages", "Fleet.razor")
            .ShouldContain("href=\"@FleetDiagnosticsLinks.For(r.NodeId)\"");
        var diag = AdminUiSource.Read("Components", "Pages", "FleetDiagnostics.razor");
        diag.ShouldContain("FleetDiagnosticsLinks.LoadDisplayNamesAsync(");
        diag.ShouldContain("@DisplayNameOf(d)");
    }
}