using AcDream.Plugin.Abstractions;
using Newtonsoft.Json.Linq;
using OpenAC.MosswartMassacre.Inventory;
using OpenAC.MosswartMassacre.Tests.Fakes;

namespace OpenAC.MosswartMassacre.Tests.Inventory;

/// <summary>
/// Puts items into the fake host the way the real one holds them: the item
/// in the owned list, its world object in the object table, its property
/// tables when it has any.
/// </summary>
internal static class InventoryWorld
{
    /// <summary>The harness character's id.</summary>
    public const uint Me = 0x50000001;

    public static PluginItemProperties Props(
        Dictionary<uint, int>? ints = null,
        Dictionary<uint, double>? floats = null,
        Dictionary<uint, bool>? bools = null,
        Dictionary<uint, string>? strings = null,
        PluginWeaponProfile? weapon = null,
        PluginArmorProfile? armor = null)
        => new(
            ints ?? [],
            new Dictionary<uint, long>(),
            bools ?? [],
            floats ?? [],
            strings ?? [],
            new Dictionary<uint, uint>(),
            new Dictionary<uint, uint>())
        {
            WeaponProfile = weapon,
            ArmorProfile = armor,
        };

    /// <summary>
    /// Adds or replaces an owned item. <paramref name="hostIdTime"/> non-zero
    /// with properties means appraised.
    /// </summary>
    public static void Own(
        FakeHost host,
        PluginInventoryItem item,
        PluginItemProperties? properties = null,
        int hostIdTime = 0)
    {
        List<PluginInventoryItem> owned = host.Automation.Items.Owned;
        int index = owned.FindIndex(existing => existing.ObjectId == item.ObjectId);
        if (index >= 0)
            owned[index] = item;
        else
            owned.Add(item);

        if (properties is { } props)
            host.Automation.Items.Properties[item.ObjectId] = props;
        else
            host.Automation.Items.Properties.Remove(item.ObjectId);

        host.Automation.Objects.Replace(World(item, properties is not null, hostIdTime));
    }

    /// <summary>Takes an item out of the owned list and the object table.</summary>
    public static void Forget(FakeHost host, uint objectId)
    {
        host.Automation.Items.Owned.RemoveAll(item => item.ObjectId == objectId);
        host.Automation.Items.Properties.Remove(objectId);
        host.Automation.Objects.Objects.RemoveAll(o => o.ObjectId == objectId);
    }

    public static PluginWorldObject World(PluginInventoryItem item, bool hasProperties, int hostIdTime)
        => new(
            item.ObjectId,
            item.WeenieClassId,
            item.Name,
            item.ObjectClass,
            item.ItemType,
            item.ContainerObjectId,
            item.WielderObjectId)
        {
            IsOwned = true,
            HasAppraisalData = hasProperties,
            LastIdTime = hostIdTime,
            SpellIds = item.AppraisedSpellIds,
            IconId = item.IconId,
        };

    /// <summary>A change as the host raises it, with the object's current snapshot.</summary>
    public static PluginObjectChange Change(FakeHost host, uint objectId, PluginObjectChangeKind kind)
        => new(objectId, kind)
        {
            Current = host.Automation.Objects.TryGet(objectId, out PluginWorldObject current)
                ? current
                : null,
        };

    public static void Raise(FakeHost host, uint objectId, PluginObjectChangeKind kind)
        => host.Events.RaiseObjectChanged(Change(host, objectId, kind));

    /// <summary>Logs in and runs the ticks it takes the inventory to settle, without moving the clock.</summary>
    public static InventoryFeature LoginAndSettle(PluginHarness harness)
    {
        harness.Login();
        InventoryFeature feature = harness.Feature<InventoryFeature>();
        feature.IsBackendReady = () => true;
        for (int i = 0; i < 40 && !feature.IsSettled; i++)
            harness.Tick(0.1);
        Assert.True(feature.IsSettled);
        return feature;
    }

    /// <summary>A stack of 57 Prismatic Tapers in the main pack, never appraised.</summary>
    public static PluginInventoryItem Tapers(int stack = 57) =>
        new(
            0x80000101u, 20631u, "Prismatic Taper", 0x1000u, Me, 0u, 0u, 0u,
            1u, 0u, 18u, stack, 0, 0, 0u, 0, 0, 0u, false, 0d, 0, 0, 0, 0d, 0, 0, 0)
        {
            ObjectClass = PluginObjectClass.SpellComponent,
            IconId = 0x06002D8Au,
            MaximumStackSize = 100,
            ContainerSlot = 0,
            Burden = stack,
            Value = stack * 10,
            PluralName = "Prismatic Tapers",
        };

    /// <summary>A breastplate in the main pack, appraised, with two carried and two running spells.</summary>
    public static PluginInventoryItem Breastplate() =>
        new(
            0x80000303u, 6044u, "Celdon Breastplate", 0x2u, Me, 0u, 512u, 0u,
            1u, 0u, 18u, 1, 0, 0, 0u, 0, 0, 0u, false, 0d, 0, 0, 0, 0d, 0, 0, 0)
        {
            ObjectClass = PluginObjectClass.Armor,
            IconId = 0x06001234u,
            ContainerSlot = 3,
            Burden = 800,
            Value = 5000,
            CoverageMask = 1024u,
            Effects = 1u,
            AppraisedSpellIds = [1486u, 2604u, 0x80000000u | 4407u, 0x80000000u | 1483u],
        };

    public static PluginItemProperties BreastplateProps() =>
        Props(
            ints: new() { [28] = 600, [265] = 5 },
            bools: new() { [69] = true },
            armor: new PluginArmorProfile(600, 1.2f, 1.0f, 0.8f, 0.6f, 0.4f, 0.2f, 0f, 1.5f));

    /// <summary>A wielded sword, before (no spells) or after appraisal.</summary>
    public static PluginInventoryItem Tachi(bool appraised) =>
        new(
            0x80000202u, 30310u, "Fire Tachi", 0x1u, 0u, Me, 1048576u, 1048576u,
            6291460u, 16u, 0x04000012u, 1, 0, 0, 0u, 0, 0, 0u, false, 0d, 0, 0, 0, 0d, 0, 0, 0)
        {
            ObjectClass = PluginObjectClass.MeleeWeapon,
            IconId = 0x0600336Au,
            IconOverlayId = 0x06001B2Eu,
            IconUnderlayId = 0u,
            ContainerSlot = -1,
            CombatUse = 1,
            Burden = 270,
            Value = 12000,
            MaterialType = 64u,
            Workmanship = 8f,
            Effects = 1u,
            AppraisedSpellIds = appraised ? [2598u, 2603u, 0x80000000u | 5183u] : [],
        };

    public static PluginItemProperties TachiProps() =>
        Props(
            ints: new()
            {
                [105] = 8, [107] = 1500, [108] = 2000, [109] = 300, [158] = 2, [159] = 45,
                [160] = 370, [171] = 3, [179] = 1, [353] = 2, [370] = 2,
            },
            floats: new() { [5] = -0.05, [29] = 1.15 },
            strings: new() { [16] = "Fire Tachi of Blood Drinker" },
            weapon: new PluginWeaponProfile(16, 30, 45u, 50, 0.5, 1.0, 1.5, 1.0, 1.2000000476837158, 0));

    /// <summary>A ring the character wears, never appraised.</summary>
    public static PluginInventoryItem Ring() =>
        new(
            0x80000404u, 2575u, "Gold Ring", 0x8u, 0u, Me, 0xC0000u, 0x40000u,
            1u, 0u, 18u, 1, 0, 0, 0u, 0, 0, 0u, false, 0d, 0, 0, 0, 0d, 0, 0, 0)
        {
            ObjectClass = PluginObjectClass.Jewelry,
            IconId = 0x06000F6Eu,
            ContainerSlot = -1,
            Burden = 30,
            Value = 400,
        };

    public static PluginSpellInfo Spell(uint id, uint family, int difficulty, bool debuff = false)
        => new(id, $"Spell {id}", family, 1, difficulty, 10, -1f, 3u, string.Empty, false, true)
        {
            IsDebuff = debuff,
        };
}

internal static class InventoryHarnessExtensions
{
    /// <summary>The raw frames of one type, in the order they were sent.</summary>
    public static List<string> FramesOfTypeRaw(this PluginHarness harness, string type) =>
        harness.Frames.Where(frame => (string?)JObject.Parse(frame)["type"] == type).ToList();
}