using FluentAssertions;
using Monitoring.Application.Reports.Handlers;
using Monitoring.Application.Reports.Queries;
using Monitoring.Domain.Entities.ExternalSystem;
using Monitoring.Domain.Entities.SyncedRecord;
using Monitoring.Domain.Enums;
using Monitoring.Domain.Values;

namespace BuildFlow.Monitoring.Tests.Reports;

/// <summary>订单同步记录分页查询测试。</summary>
public class GetOrderRecordsQueryHandlerTests
{
    [Fact]
    public async Task Handle_ShouldFilterOrdersBySystemAndReturnNewestPage()
    {
        await using var db = MonitoringTestDb.Create();
        var system = CreateSystem("u号租-A");
        var otherSystem = CreateSystem("u号租-B");
        db.ExternalSystems.AddRange(system, otherSystem);
        db.SyncedRecords.AddRange(
            CreateRecord(system.Id, "order-1", "order", new DateTime(2026, 7, 17, 1, 0, 0, DateTimeKind.Utc)),
            CreateRecord(system.Id, "order-2", "order", new DateTime(2026, 7, 18, 1, 0, 0, DateTimeKind.Utc)),
            CreateRecord(system.Id, "order-3", "order", new DateTime(2026, 7, 19, 1, 0, 0, DateTimeKind.Utc)),
            CreateRecord(system.Id, "metric-1", "metric", new DateTime(2026, 7, 20, 1, 0, 0, DateTimeKind.Utc)),
            CreateRecord(otherSystem.Id, "other-order", "order", new DateTime(2026, 7, 21, 1, 0, 0, DateTimeKind.Utc)));
        await db.SaveChangesAsync();

        var handler = new GetOrderRecordsQueryHandler(db);

        var result = await handler.Handle(new GetOrderRecordsQuery(system.Id, 1, 2), default);

        result.Total.Should().Be(3);
        result.PageIndex.Should().Be(1);
        result.PageSize.Should().Be(2);
        result.Items.Select(item => item.ExternalId).Should().Equal("order-3", "order-2");
        result.Items.Should().OnlyContain(item => item.ExternalSystemId == system.Id);
        result.Items[0].Payload["status"].Should().NotBeNull();
        result.Items[0].Payload["status"]!.ToString().Should().Be("running");
    }

    [Fact]
    public async Task Handle_ShouldUseStableIdOrderingWhenOrderTimesMatch()
    {
        await using var db = MonitoringTestDb.Create();
        var system = CreateSystem("u号租-A");
        var occurredAt = new DateTime(2026, 7, 19, 1, 0, 0, DateTimeKind.Utc);
        var lowId = Guid.Parse("00000000-0000-0000-0000-000000000001");
        var middleId = Guid.Parse("00000000-0000-0000-0000-000000000002");
        var highId = Guid.Parse("00000000-0000-0000-0000-000000000003");
        db.ExternalSystems.Add(system);
        db.SyncedRecords.AddRange(
            CreateRecord(system.Id, "order-low", "order", occurredAt, lowId),
            CreateRecord(system.Id, "order-high", "order", occurredAt, highId),
            CreateRecord(system.Id, "order-middle", "order", occurredAt, middleId));
        await db.SaveChangesAsync();

        var handler = new GetOrderRecordsQueryHandler(db);

        var firstPage = await handler.Handle(new GetOrderRecordsQuery(system.Id, 1, 2), default);
        var secondPage = await handler.Handle(new GetOrderRecordsQuery(system.Id, 2, 2), default);

        firstPage.Items.Select(item => item.Id).Should().Equal(highId, middleId);
        secondPage.Items.Select(item => item.Id).Should().Equal(lowId);
    }

    private static ExternalSystemEntity CreateSystem(string name) => new()
    {
        Data = new SystemData
        {
            Name = name,
            SystemType = ExternalSystemTypeEnum.UHaoZu,
            BaseUrl = "https://b.uhaozu.com",
            IsEnabled = true,
        },
    };

    private static SyncedRecordEntity CreateRecord(
        Guid systemId,
        string externalId,
        string recordType,
        DateTime occurredAt,
        Guid? id = null) => new()
    {
        Id = id ?? Guid.NewGuid(),
        ExternalSystemId = systemId,
        SyncJobId = Guid.NewGuid(),
        ExternalId = externalId,
        RecordType = recordType,
        OccurredAt = occurredAt,
        UpdatedAt = occurredAt,
        Data = new RecordData
        {
            ExternalId = externalId,
            RecordType = recordType,
            Payload = new Dictionary<string, object?>
            {
                ["status"] = "running",
                ["actualRent"] = "12.34",
            },
        },
    };
}