import type { FishMarineLife } from "../../domain/models/OceanModels.js";
/**
 * Interaction types between fish
 */
export type FishInteractionType = "passing_greeting" | "yield" | "social_approach" | "shy_avoidance";
/**
 * Result of processing an interaction
 */
export interface InteractionResult {
    type: FishInteractionType;
    /** Fish that initiated or was primary in interaction */
    fish: FishMarineLife;
    /** The other fish involved */
    other: FishMarineLife;
    /** Wobble to trigger (if any) */
    triggerWobble?: FishMarineLife["wobbleType"];
    /** Speed modifier to apply temporarily */
    speedModifier?: number;
    /** Vertical nudge in pixels */
    verticalNudge?: number;
}
/**
 * IFishInteractionHandler - Detects and handles micro-interactions between fish
 *
 * Creates emergent social behaviors by detecting when fish pass close to each
 * other and triggering personality-appropriate responses. This makes fish
 * feel like they exist in a shared world where they notice each other.
 */
export interface IFishInteractionHandler {
    /**
     * Process potential interactions for all fish
     * Should be called once per frame before movement updates
     *
     * @param fish - All fish in the scene
     * @param deltaSeconds - Time since last frame
     * @returns Array of interactions that occurred this frame
     */
    processInteractions(fish: FishMarineLife[], deltaSeconds: number): InteractionResult[];
    /**
     * Apply the effects of an interaction to the fish involved
     * Triggers wobbles, speed changes, and position nudges
     *
     * @param result - The interaction result to apply
     */
    applyInteraction(result: InteractionResult): void;
    /**
     * Check if a fish is on interaction cooldown
     * Prevents fish from constantly triggering interactions
     *
     * @param fish - The fish to check
     * @returns true if fish cannot trigger new interactions
     */
    isOnCooldown(fish: FishMarineLife): boolean;
}
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