using Content.Shared.Damage;
using Content.Shared.Examine;
using Content.Shared.FixedPoint;
using Content.Shared.Projectiles;
using Content.Shared.Verbs;
using Content.Shared.Weapons.Ranged.Components;
using Robust.Shared.Prototypes;
using Robust.Shared.Utility;

namespace Content.Server.Weapons.Ranged.Systems;

public sealed partial class GunSystem
{
    protected override void InitializeCartridge()
    {
        base.InitializeCartridge();
        SubscribeLocalEvent<CartridgeAmmoComponent, ExaminedEvent>(OnCartridgeExamine);
        SubscribeLocalEvent<CartridgeAmmoComponent, GetVerbsEvent<ExamineVerb>>(OnCartridgeVerbExamine);
    }

    private void OnCartridgeVerbExamine(EntityUid uid, CartridgeAmmoComponent component, GetVerbsEvent<ExamineVerb> args)
    {
        if (!args.CanInteract || !args.CanAccess)
            return;

        var damageSpec = GetProjectileDamage(component.Prototype);

        if (damageSpec == null)
            return;

        var verb = new ExamineVerb()
        {
            Act = () =>
            {
                var markup = Damageable.GetDamageExamine(damageSpec, Loc.GetString("damage-projectile"));
                _examine.SendExamineTooltip(args.User, uid, markup, false, false);
            },
            Text = Loc.GetString("damage-examinable-verb-text"),
            Message = Loc.GetString("damage-examinable-verb-message"),
            Category = VerbCategory.Examine,
            Icon = new SpriteSpecifier.Texture(new ("/Textures/Interface/VerbIcons/smite.svg.192dpi.png")),
        };

        args.Verbs.Add(verb);
    }

    private DamageSpecifier? GetProjectileDamage(string proto)
    {
        if (!ProtoManager.TryIndex<EntityPrototype>(proto, out var entityProto))
            return null;

        if (entityProto.Components
            .TryGetValue(_factory.GetComponentName(typeof(ProjectileComponent)), out var projectile))
        {
            var p = (ProjectileComponent) projectile.Component;

            if (p.Damage.Total > FixedPoint2.Zero)
            {
                return p.Damage;
            }
        }

        return null;
    }

    private void OnCartridgeExamine(EntityUid uid, CartridgeAmmoComponent component, ExaminedEvent args)
    {
        if (component.Spent)
        {
            args.PushMarkup(Loc.GetString("gun-cartridge-spent"));
        }
        else
        {
            args.PushMarkup(Loc.GetString("gun-cartridge-unspent"));
        }
    }
}