import type { RecipeItem } from "./recipe.js";
export type SoilState = "untilled" | "tilled";
export interface CropDef {
    id: string;
    stages: readonly number[];
    regrowDays?: number;
    needsDailyWater?: boolean;
    harvest?: RecipeItem;
}
export interface CropTileState {
    soil: SoilState;
    watered: boolean;
    cropId: string | null;
    stage: number;
    stageProgress: number;
    harvestable: boolean;
}
export type CropCatalog = (cropId: string) => CropDef | null;
/** @internal */
export declare function emptyTile(): CropTileState;
/** @internal */
export declare function canTill(state: CropTileState): boolean;
/** @internal */
export declare function tillTile(state: CropTileState): CropTileState;
/** @internal */
export declare function canPlant(state: CropTileState): boolean;
/** @internal */
export declare function plantCrop(state: CropTileState, cropId: string): CropTileState;
/** @internal */
export declare function waterTile(state: CropTileState): CropTileState;
/** @internal */
export declare function maturityDays(def: CropDef): number;
/** @internal */
export declare function advanceCropDay(def: CropDef, state: CropTileState): CropTileState;
export interface HarvestResult {
    state: CropTileState;
    yield: RecipeItem | null;
}
/** @internal */
export declare function harvestCrop(def: CropDef, state: CropTileState): HarvestResult;
export type TileCoord = readonly [number, number];
export type TilePattern = readonly TileCoord[];
/** @internal */
export declare function tileKey(coord: TileCoord): string;
/** @internal */
export declare function singleTile(): TilePattern;
/** @internal */
export declare function squarePattern(radius: number): TilePattern;
/** @internal */
export declare function diamondPattern(radius: number): TilePattern;
/** @internal */
export declare function rectPattern(width: number, depth: number): TilePattern;
/** @internal */
export declare function patternAt(center: TileCoord, pattern: TilePattern): TileCoord[];
export interface ApplyToolResult {
    tiles: Map<string, CropTileState>;
    changed: TileCoord[];
}
/** @internal */
export declare function applyToolToTiles(tiles: ReadonlyMap<string, CropTileState>, center: TileCoord, pattern: TilePattern, apply: (state: CropTileState, coord: TileCoord) => CropTileState, fill?: () => CropTileState): ApplyToolResult;
export interface DayTicker {
    tick(currentDay: number): number;
    day(): number;
}
/** @internal */
export declare function createDayTicker(startDay?: number): DayTicker;
export interface CropField {
    get(coord: TileCoord): CropTileState;
    till(coord: TileCoord, pattern?: TilePattern): TileCoord[];
    plant(coord: TileCoord, cropId: string): boolean;
    water(coord: TileCoord, pattern?: TilePattern): TileCoord[];
    harvest(coord: TileCoord): RecipeItem | null;
    advanceDay(days?: number): void;
    tiles(): ReadonlyMap<string, CropTileState>;
}
/** @internal */
export declare function createCropField(catalog?: CropCatalog): CropField;