// SPDX-FileCopyrightText: 2025 Aiden <28298836+Aidenkrz@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Aviu00 <93730715+Aviu00@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Misandry <mary@thughunt.ing>
// SPDX-FileCopyrightText: 2025 gus <august.eymann@gmail.com>
//
// SPDX-License-Identifier: AGPL-3.0-or-later

using Content.Server._Shitcode.Wizard.Components;
using Content.Server.Temperature.Components;
using Content.Server.Temperature.Systems;
using Content.Shared._Shitcode.Wizard.Traps;
using Content.Shared.Damage;
using Content.Shared.Projectiles;
using Content.Shared.Temperature;
using Content.Shared.Whitelist;

namespace Content.Server._Shitcode.Wizard.Systems;

public sealed class IceCubeSystem : SharedIceCubeSystem
{
    [Dependency] private readonly TemperatureSystem _temperature = default!;
    [Dependency] private readonly EntityWhitelistSystem _whitelist = default!;

    public override void Initialize()
    {
        base.Initialize();

        SubscribeLocalEvent<IceCubeComponent, OnTemperatureChangeEvent>(OnTemperatureChange);
        SubscribeLocalEvent<IceCubeComponent, DamageChangedEvent>(OnDamageChanged);
        SubscribeLocalEvent<IceCubeOnProjectileHitComponent, ProjectileHitEvent>(OnHit);
    }

    private void OnHit(Entity<IceCubeOnProjectileHitComponent> ent, ref ProjectileHitEvent args)
    {
        if (_whitelist.IsValid(ent.Comp.Whitelist, args.Target))
            EnsureComp<IceCubeComponent>(args.Target);
    }

    private void OnDamageChanged(Entity<IceCubeComponent> ent, ref DamageChangedEvent args)
    {
        var (uid, comp) = ent;

        if (!TryComp(uid, out TemperatureComponent? temperature))
            return;

        if (args is not { DamageIncreased: true, DamageDelta: not null } ||
            !args.DamageDelta.DamageDict.TryGetValue("Heat", out var heat))
            return;

        _temperature.ForceChangeTemperature(uid,
            MathF.Min(comp.UnfreezeTemperatureThreshold + 10f,
                temperature.CurrentTemperature + heat.Float() * comp.TemperaturePerHeatDamageIncrease),
            temperature);
    }

    private void OnTemperatureChange(Entity<IceCubeComponent> ent, ref OnTemperatureChangeEvent args)
    {
        if (args.TemperatureDelta > 0f && args.CurrentTemperature > ent.Comp.UnfreezeTemperatureThreshold)
            RemCompDeferred(ent.Owner, ent.Comp);
    }

    protected override void Startup(Entity<IceCubeComponent> ent)
    {
        base.Startup(ent);

        var (uid, comp) = ent;

        if (!TryComp(uid, out TemperatureComponent? temperature))
            return;

        _temperature.ForceChangeTemperature(uid,
            MathF.Min(temperature.CurrentTemperature, comp.FrozenTemperature),
            temperature);
    }

    protected override void Shutdown(Entity<IceCubeComponent> ent)
    {
        base.Shutdown(ent);

        var (uid, comp) = ent;

        if (!TryComp(uid, out TemperatureComponent? temperature))
            return;

        _temperature.ForceChangeTemperature(uid,
            MathF.Max(temperature.CurrentTemperature, comp.UnfrozenTemperature),
            temperature);
    }
}