using AcDream.Core.Items;
using AcDream.Core.Net;
using AcDream.Core.Net.Messages;

namespace AcDream.Core.Net.Tests;

/// <summary>
/// D.5.4 Task 7 — ObjectTableWiring.
///
/// Integration test is omitted: WorldSession.EntitySpawned has no internal
/// test seam to fire it without a real Tick + packet bytes, so subscription
/// correctness is covered by build (type-checks) + the live run. Only the
/// pure mapping (ToWeenieData) is unit-tested here.
/// </summary>
public sealed class ObjectTableWiringTests
{
    [Fact]
    public void ToWeenieData_CopiesFieldsFromSpawn()
    {
        // Every EntitySpawn item field is set to a DISTINCT recognisable value so
        // a positional transposition in ObjectTableWiring.ToWeenieData would trip
        // at least one Assert.  All 22 WeenieData fields are verified below.
        var spawn = new WorldSession.EntitySpawn(
            Guid: 0x00000600u,
            Position: null,
            SetupTableId: null,
            AnimPartChanges: System.Array.Empty<CreateObject.AnimPartChange>(),
            TextureChanges: System.Array.Empty<CreateObject.TextureChange>(),
            SubPalettes: System.Array.Empty<CreateObject.SubPaletteSwap>(),
            BasePaletteId: null,
            ObjScale: null,
            Name: "Iron Sword",
            ItemType: (uint)ItemType.MeleeWeapon,
            MotionState: null,
            MotionTableId: null)
            with
            {
                WeenieClassId             = 0x00001001u,
                IconId                    = 0x06001111u,
                IconOverlayId             = 0x06002222u,
                IconUnderlayId            = 0x06003333u,
                UiEffects                 = 0x00000004u,
                Value                     = 7,
                StackSize                 = 1,
                StackSizeMax              = 1,
                Burden                    = 300,
                ContainerId               = 0x000000C9u,
                WielderId                 = 0x000000DAu,
                ValidLocations            = 0x00000012u,   // MeleeWeapon wield mask
                CurrentWieldedLocation    = 0x00000002u,   // right-hand
                Priority                  = 0x00000005u,
                ItemsCapacity             = 0,
                ContainersCapacity        = 0,
                Structure                 = 80,
                MaxStructure              = 100,
                Workmanship               = 4.5f,
            };

        var d = ObjectTableWiring.ToWeenieData(spawn);

        // --- identity ---
        Assert.Equal(0x00000600u, d.Guid);
        Assert.Equal("Iron Sword",             d.Name);
        Assert.Equal(ItemType.MeleeWeapon,     d.Type);

        // --- weenie / icon ---
        Assert.Equal(0x00001001u,              d.WeenieClassId);
        Assert.Equal(0x06001111u,              d.IconId);
        Assert.Equal(0x06002222u,              d.IconOverlayId);
        Assert.Equal(0x06003333u,              d.IconUnderlayId);
        Assert.Equal(0x00000004u,              d.Effects);

        // --- quantity / economy ---
        Assert.Equal(7,                        d.Value);
        Assert.Equal(1,                        d.StackSize);
        Assert.Equal(1,                        d.StackSizeMax);
        Assert.Equal(300,                      d.Burden);

        // --- container / wielder ---
        Assert.Equal(0x000000C9u,              d.ContainerId);
        Assert.Equal(0x000000DAu,              d.WielderId);

        // --- equip masks ---
        Assert.Equal(0x00000012u,              d.ValidLocations);
        Assert.Equal(0x00000002u,              d.CurrentWieldedLocation);
        Assert.Equal(0x00000005u,              d.Priority);

        // --- capacity ---
        Assert.Equal(0,                        d.ItemsCapacity);
        Assert.Equal(0,                        d.ContainersCapacity);

        // --- durability ---
        Assert.Equal(80,                       d.Structure);
        Assert.Equal(100,                      d.MaxStructure);
        Assert.Equal(4.5f,                     d.Workmanship);
    }
}