using HSchool.Content;

namespace HSchool.Simulation.Tests;

public class SchoolTests
{
    private static readonly DateTime Start = new(2012, 4, 3, 6, 0, 0, DateTimeKind.Utc);

    [Fact]
    public void Create_StartsRunningAtTheStartDate()
    {
        using var school = School.Create(1, "Гимназия", Start);

        Assert.Equal(1, school.Id);
        Assert.Equal("Гимназия", school.Name);
        Assert.Equal(Start, school.Clock.Time);
        Assert.True(school.Clock.IsRunning);
        Assert.Equal(ClockSpeed.DefaultIndex, school.Clock.SpeedIndex);
    }

    [Fact]
    public void Load_RestoresTimePauseAndSpeed()
    {
        var time = Start.AddHours(3);
        using var school = School.Load(7, "Сейв", time, running: false, speedIndex: 3);

        Assert.Equal(7, school.Id);
        Assert.Equal("Сейв", school.Name);
        Assert.Equal(time, school.Clock.Time);
        Assert.False(school.Clock.IsRunning);
        Assert.Equal(3, school.Clock.SpeedIndex);
        Assert.Equal(DateTimeKind.Utc, school.Clock.Time.Kind);
    }

    [Fact]
    public void Load_PausedSchool_DoesNotMoveOnTick()
    {
        using var school = School.Load(1, "Пауза", Start.AddMinutes(12), running: false, speedIndex: 4);

        school.Tick(1d / 20d, 5d);

        Assert.Equal(Start.AddMinutes(12), school.Clock.Time);
    }

    [Fact]
    public void Create_WithACatalogAndMap_KeepsThemOnTheSchool()
    {
        var loader = new CatalogLoader();
        var documents = new[]
        {
            new ContentDocument("core", "defs/actions/sit.jsonc", """{ "defName": "Sit", "abstract": true }"""),
            new ContentDocument("core", "defs/things/chair.jsonc", """{ "defName": "Chair", "actions": ["Sit"] }"""),
            new ContentDocument("core", "defs/territories/yard.jsonc", """{ "defName": "Yard", "travelMinutes": 1 }"""),
            new ContentDocument("core", "defs/buildings/main.jsonc", """{ "defName": "Main" }"""),
            new ContentDocument("core", "defs/floors/floor.jsonc", """{ "defName": "Floor" }"""),
            new ContentDocument("core", "defs/rooms/office.jsonc", """{ "defName": "Office", "travelMinutes": 1 }"""),
        };
        var catalog = loader.Load(["core"], documents);
        var map = new MapLayout
        {
            Territory = new TerritoryNode { Id = "yard", Def = "Yard" },
            Buildings = [new BuildingNode { Id = "main", Def = "Main" }],
            Floors = [new FloorNode { Id = "floor-1", Def = "Floor", Building = "main" }],
            Rooms = [new RoomNode { Id = "office", Def = "Office", Building = "main", Floor = "floor-1" }],
            Links = [new MapLink { A = "yard", B = "office" }],
        };
        MapValidator.Validate(map, catalog);

        using var school = School.Create(1, "С картой", Start, catalog, map);
        school.Tick(1d / 20d, 5d);

        Assert.Same(catalog, school.Catalog);
        Assert.Same(map, school.Map);
        Assert.True(school.Clock.Time > Start);
    }
}