export const DEFAULT_AUGMENTS = [
    { id: "force", name: "Kinetic Amplifier", effect: "+1 Damage on Melee attacks", cost: "2 Iron", precompile: 1 },
    { id: "fire", name: "Thermal Core", effect: "Deals Fire damage instead of Physical", cost: "1 Blaze Glass", precompile: 1 },
    { id: "shock", name: "Static Coil", effect: "Targets hit are Dazed", cost: "3 Copper", precompile: 2 },
    { id: "shield", name: "Reactive Plating", effect: "+1 Armor while equipped", cost: "2 Steel", precompile: 1 },
    { id: "range", name: "Long-Range Optics", effect: "Increases Range by 1 step", cost: "1 Lens", precompile: 2 },
    { id: "crit", name: "Precision Chip", effect: "+1 to Crit range", cost: "1 Gold", precompile: 3 },
    { id: "multi", name: "Burst Module", effect: "Can target 2 enemies (Half damage)", cost: "2 Gears", precompile: 4 },
    { id: "drain", name: "Siphon Link", effect: "Recover 1 Hope on kill", cost: "1 Soul Gem", precompile: 4 },
    { id: "weight", name: "Gravity Plate", effect: "Weapon is Heavy (more damage)", cost: "4 Lead", precompile: 2 }
];

// Global caches for resolved features to keep getters fast
const _featureCache = new Map();

/**
 * Scans the Daggerheart system config for any weapon features starting with "Ikonis:".
 * These are treated as available augments for our slot system.
 */
export function getAugments() {
    // We get the resolved features from CONFIG.DH.ITEM which includes system + homebrew
    const allFeatures = CONFIG.DH.ITEM.allWeaponFeatures() || {};
    const augments = [];

    for (const [id, feature] of Object.entries(allFeatures)) {
        const name = feature.label || feature.name || "";
        if (name.startsWith("Ikonis:")) {
            const desc = feature.description ? feature.description.replace(/<[^>]*>?/gm, '').trim() : "";
            const lines = desc.split(/\n|\r/).map(l => l.trim()).filter(l => l.length > 0);
            
            const costLine = lines.find(l => l.toLowerCase().startsWith("cost:"));
            const effectLine = lines.find(l => !l.toLowerCase().startsWith("cost:"));

            augments.push({
                id: id,
                name: name.replace("Ikonis:", "").trim(),
                fullName: name,
                effect: effectLine || "Native Feature",
                cost: costLine || ""
            });
        }
    }

    return augments;
}

export function getSlotCount(item) {
    const flags = item.getFlag('dh-ikonis') || {};
    if (typeof flags.slotOverride === "number") return flags.slotOverride;

    let tier = item.system?.tier?.value;
    if (tier === undefined) tier = item.system?.tier;
    const tierNum = parseInt(tier) || 1;
    
    const settingKey = `slotsTier${tierNum}`;
    try {
        return game.settings.get('dh-ikonis', settingKey);
    } catch (e) {
        return tierNum >= 2 ? 3 : 2;
    }
}

/**
 * Patches the system's weapon data preparation to handle slot counts.
 */
export function patchIkonisLogic() {
    // Current slot logic is handled via getSlotCount in the sheet context
}

/**
 * Placeholder for character patching - no longer needed for virtual items
 */
export function patchDhCharacter(DhCharacter) {
    // Injection is deprecated in favor of native weapon features
}

export function patchDHWeapon() {
    // Future: Add damage type override logic here
}