import type { Vec2 } from "../world/geometry.js";
import type { InventoryLayout, InventoryState, ItemTraits } from "../inventory/inventoryModel.js";
export interface RecipeItem {
    itemId: string;
    count: number;
}
export interface RecipeDef {
    id: string;
    inputs: readonly RecipeItem[];
    outputs: readonly RecipeItem[];
    seconds?: number;
    station?: string;
    stationRange?: number;
    requires?: readonly string[];
    category?: string;
}
export interface StationInstance {
    catalogId: string;
    position: Vec2;
}
export interface CraftContext {
    origin?: Vec2;
    stations?: readonly StationInstance[];
    unlocked?: (id: string) => boolean;
}
export type CraftRejection = {
    reason: "missing-inputs";
    missing: readonly RecipeItem[];
} | {
    reason: "no-station";
    station: string;
} | {
    reason: "locked";
    requires: readonly string[];
} | {
    reason: "no-output-space";
};
export type CraftCheck = {
    ok: true;
} | ({
    ok: false;
} & CraftRejection);
export type CraftResult = {
    status: "ok";
    state: InventoryState;
} | ({
    status: "rejected";
} & CraftRejection);
export declare function craftSeconds(recipe: RecipeDef): number;
export declare function missingInputs(state: InventoryState, recipe: RecipeDef): RecipeItem[];
export declare function hasRecipeInputs(state: InventoryState, recipe: RecipeDef): boolean;
export declare function stationSatisfied(recipe: RecipeDef, context: CraftContext): boolean;
export declare function canCraft(state: InventoryState, layout: InventoryLayout, traits: ItemTraits, recipe: RecipeDef, context?: CraftContext): CraftCheck;
export declare function craft(state: InventoryState, layout: InventoryLayout, traits: ItemTraits, recipe: RecipeDef, context?: CraftContext): CraftResult;
export interface RecipeGraph {
    all(): readonly RecipeDef[];
    get(id: string): RecipeDef | null;
    producing(itemId: string): RecipeDef[];
    using(itemId: string): RecipeDef[];
    category(categoryId: string): RecipeDef[];
}
export declare function createRecipeGraph(defs?: readonly RecipeDef[]): RecipeGraph;