using JdeScoping.DataSync.Configuration;
using Shouldly;

namespace JdeScoping.DataSync.Tests.Configuration;

public class PipelinesRootTests
{
    [Fact]
    public void EffectiveScheduleDefaults_WhenNull_ReturnsDefaults()
    {
        var root = new PipelinesRoot(null, null, new Dictionary<string, PipelineConfig>());

        var defaults = root.EffectiveScheduleDefaults;

        defaults.ShouldNotBeNull();
        defaults.Mass.IntervalMinutes.ShouldBe(10080);
        defaults.Daily.IntervalMinutes.ShouldBe(1440);
        defaults.Hourly.IntervalMinutes.ShouldBe(60);
    }

    [Fact]
    public void EffectiveScheduleDefaults_WhenProvided_ReturnsProvided()
    {
        var customDefaults = new ScheduleDefaults
        {
            Mass = new ScheduleConfig { IntervalMinutes = 20000 }
        };
        var root = new PipelinesRoot(null, customDefaults, new Dictionary<string, PipelineConfig>());

        var defaults = root.EffectiveScheduleDefaults;

        defaults.Mass.IntervalMinutes.ShouldBe(20000);
    }

    [Fact]
    public void EffectiveSettings_WhenNull_ReturnsDefaults()
    {
        var root = new PipelinesRoot(null, null, new Dictionary<string, PipelineConfig>());

        var settings = root.EffectiveSettings;

        settings.ShouldNotBeNull();
        settings.Timezone.ShouldBe("UTC");
    }

    [Fact]
    public void EffectiveSettings_WhenProvided_ReturnsProvided()
    {
        var customSettings = new PipelineSettings("America/New_York");
        var root = new PipelinesRoot(customSettings, null, new Dictionary<string, PipelineConfig>());

        var settings = root.EffectiveSettings;

        settings.Timezone.ShouldBe("America/New_York");
    }

    [Fact]
    public void Pipelines_WhenProvided_StoresCorrectly()
    {
        var pipelines = new Dictionary<string, PipelineConfig>
        {
            ["TestTable"] = CreateMinimalPipelineConfig()
        };
        var root = new PipelinesRoot(null, null, pipelines);

        root.Pipelines.ShouldContainKey("TestTable");
        root.Pipelines["TestTable"].Destination.Table.ShouldBe("TestTable");
    }

    [Fact]
    public void PipelineConfig_WithSchedules_ParsesCorrectly()
    {
        var config = new PipelineConfig(
            new SourceConfig("jde", "SELECT 1", null, null),
            null, // Old SyncModes - deprecated
            new PipelineSchedules
            {
                Mass = new ScheduleConfig { PrePurge = true, ReIndex = true },
                Daily = new ScheduleConfig { Enabled = true },
                Hourly = new ScheduleConfig { Enabled = false }
            },
            null,
            new DestinationConfig("TestTable", ["Id"], null),
            null,
            null);

        config.Schedules.ShouldNotBeNull();
        config.Schedules!.Mass!.PrePurge.ShouldBeTrue();
        config.Schedules!.Hourly!.Enabled.ShouldBeFalse();
    }

    private static PipelineConfig CreateMinimalPipelineConfig()
    {
        return new PipelineConfig(
            new SourceConfig("lotfinder", "SELECT 1", null, null),
            new Dictionary<string, SyncModeConfig>
            {
                ["mass"] = new SyncModeConfig(null, true, true),
                ["incremental"] = new SyncModeConfig("-1d")
            },
            null, // Schedules
            null, // Transformers
            new DestinationConfig("TestTable", ["Id"], null),
            null,
            null);
    }
}