using Content.Server.Silicon.WeldingHealing;
using Content.Shared.Chemistry.Components;
using Content.Shared.Silicon.WeldingHealing;
using Content.Shared.Chemistry.Components.SolutionManager;
using Content.Shared.Chemistry.EntitySystems;
using Content.Shared.Damage;
using Content.Shared.Interaction;
using Content.Shared.Popups;
using Content.Shared.Tools;
using Content.Shared._Shitmed.Targeting;
using Content.Shared.Body.Systems;
using Content.Shared.Tools.Components;
using SharedToolSystem = Content.Shared.Tools.Systems.SharedToolSystem;

namespace Content.Server.Silicon.WeldingHealable;

public sealed class WeldingHealableSystem : SharedWeldingHealableSystem
{
    [Dependency] private readonly SharedToolSystem _toolSystem = default!;
    [Dependency] private readonly DamageableSystem _damageableSystem = default!;
    [Dependency] private readonly SharedPopupSystem _popup = default!;
    [Dependency] private readonly SharedSolutionContainerSystem _solutionContainer = default!;
    [Dependency] private readonly SharedBodySystem _bodySystem = default!;
    public override void Initialize()
    {
        SubscribeLocalEvent<WeldingHealableComponent, InteractUsingEvent>(Repair);
        SubscribeLocalEvent<WeldingHealableComponent, SiliconRepairFinishedEvent>(OnRepairFinished);
    }

    private void OnRepairFinished(EntityUid uid, WeldingHealableComponent healableComponent, SiliconRepairFinishedEvent args)
    {
        if (args.Cancelled || args.Used == null
            || !TryComp<DamageableComponent>(args.Target, out var damageable)
            || !TryComp<WeldingHealingComponent>(args.Used, out var component)
            || damageable.DamageContainerID is null
            || !component.DamageContainers.Contains(damageable.DamageContainerID)
            || !HasDamage((args.Target.Value, damageable), component, args.User)
            || !TryComp<WelderComponent>(args.Used, out var welder)
            || !TryComp<SolutionContainerManagerComponent>(args.Used, out var solutionContainer))
            return;

        _damageableSystem.TryChangeDamage(uid, component.Damage, true, false, origin: args.User);

        Entity<SolutionComponent>? sol = null; // WWDP EDIT
        if (!_solutionContainer.ResolveSolution(((EntityUid) args.Used, solutionContainer), welder.FuelSolutionName, ref sol, out _))
            return;
        _solutionContainer.RemoveReagent(sol.Value, welder.FuelReagent, component.FuelCost);

        var str = Loc.GetString("comp-repairable-repair",
            ("target", uid),
            ("tool", args.Used!));
        _popup.PopupEntity(str, uid, args.User);

        if (!args.Used.HasValue)
            return;

        args.Handled = _toolSystem.UseTool
            (args.Used.Value,
            args.User,
            uid,
            args.Delay,
            component.QualityNeeded,
            new SiliconRepairFinishedEvent
            {
                Delay = args.Delay
            });
    }

    private async void Repair(EntityUid uid, WeldingHealableComponent healableComponent, InteractUsingEvent args)
    {
        if (args.Handled
            || !EntityManager.TryGetComponent(args.Used, out WeldingHealingComponent? component)
            || !EntityManager.TryGetComponent(args.Target, out DamageableComponent? damageable)
            || damageable.DamageContainerID is null
            || !component.DamageContainers.Contains(damageable.DamageContainerID)
            || !HasDamage((args.Target, damageable), component, args.User)
            || !_toolSystem.HasQuality(args.Used, component.QualityNeeded)
            || args.User == args.Target && !component.AllowSelfHeal)
            return;

        float delay = args.User == args.Target
            ? component.DoAfterDelay * component.SelfHealPenalty
            : component.DoAfterDelay;

        args.Handled = _toolSystem.UseTool(
            args.Used,
            args.User,
            args.Target,
            delay,
            component.QualityNeeded,
            new SiliconRepairFinishedEvent
            {
                Delay = delay,
            },
            5); // WD EDIT
    }

    private bool HasDamage(Entity<DamageableComponent> damageable, WeldingHealingComponent healable, EntityUid user)
    {
        if (healable.Damage.DamageDict is null)
            return false;

        foreach (var type in healable.Damage.DamageDict)
            if (damageable.Comp.Damage.DamageDict[type.Key].Value > 0)
                return true;

        // In case the healer is a humanoid entity with targeting, we run the check on the targeted parts.
        if (!TryComp(user, out TargetingComponent? targeting))
            return false;

        var (targetType, targetSymmetry) = _bodySystem.ConvertTargetBodyPart(targeting.Target);
        foreach (var part in _bodySystem.GetBodyChildrenOfType(damageable, targetType, symmetry: targetSymmetry))
            if (TryComp<DamageableComponent>(part.Id, out var damageablePart))
                foreach (var type in healable.Damage.DamageDict)
                    if (damageablePart.Damage.DamageDict[type.Key].Value > 0)
                        return true;

        return false;
    }
}