/**
 * Game Systems Types
 *
 * Type definitions for built-in game systems:
 * - Inventory management
 * - Character statistics
 * - Quest tracking
 * - Achievement system
 */
/**
 * Item in player inventory
 */
export interface Item {
    /** Unique item identifier */
    id: string;
    /** Item name */
    name: string;
    /** Item description */
    description?: string;
    /** Item category (weapon, potion, key, etc.) */
    category?: string;
    /** Item quantity (stackable items) */
    quantity: number;
    /** Item properties (damage, healing, etc.) */
    properties?: Record<string, any>;
    /** Item metadata */
    metadata?: Record<string, any>;
    /** Is item stackable? */
    stackable?: boolean;
    /** Maximum stack size */
    maxStack?: number;
    /** Item icon/image URL */
    icon?: string;
    /** Item rarity (common, uncommon, rare, etc.) */
    rarity?: string;
    /** Item value/price */
    value?: number;
}
/**
 * Character statistic
 */
export interface Stat {
    /** Stat name (health, mana, strength, etc.) */
    name: string;
    /** Current value */
    value: number;
    /** Maximum value (if applicable) */
    maxValue?: number;
    /** Minimum value (if applicable) */
    minValue?: number;
    /** Base value (before modifiers) */
    baseValue?: number;
    /** Active modifiers */
    modifiers?: StatModifier[];
    /** Stat metadata */
    metadata?: Record<string, any>;
}
/**
 * Stat modifier (buffs/debuffs)
 */
export interface StatModifier {
    /** Modifier ID */
    id: string;
    /** Modifier name */
    name: string;
    /** Modifier type */
    type: 'add' | 'multiply' | 'set';
    /** Modifier value */
    value: number;
    /** Duration in turns/time (-1 = permanent) */
    duration?: number;
    /** Source of modifier */
    source?: string;
    /** Metadata */
    metadata?: Record<string, any>;
}
/**
 * Quest objective
 */
export interface QuestObjective {
    /** Objective ID */
    id: string;
    /** Objective description */
    description: string;
    /** Is objective completed? */
    completed: boolean;
    /** Current progress */
    progress?: number;
    /** Target progress */
    target?: number;
    /** Objective type */
    type?: string;
    /** Metadata */
    metadata?: Record<string, any>;
}
/**
 * Quest definition
 */
export interface Quest {
    /** Quest ID */
    id: string;
    /** Quest title */
    title: string;
    /** Quest description */
    description: string;
    /** Quest status */
    status: 'available' | 'active' | 'completed' | 'failed';
    /** Quest objectives */
    objectives: QuestObjective[];
    /** Quest rewards */
    rewards?: QuestReward[];
    /** Quest giver */
    giver?: string;
    /** Quest category */
    category?: string;
    /** Is quest main story? */
    mainQuest?: boolean;
    /** Required level/stats */
    requirements?: Record<string, any>;
    /** Quest metadata */
    metadata?: Record<string, any>;
}
/**
 * Quest reward
 */
export interface QuestReward {
    /** Reward type (item, xp, stat, etc.) */
    type: 'item' | 'xp' | 'stat' | 'currency' | 'custom';
    /** Item ID (for item rewards) */
    itemId?: string;
    /** Quantity */
    quantity?: number;
    /** Stat name (for stat rewards) */
    statName?: string;
    /** Stat value change */
    statValue?: number;
    /** Custom reward data */
    data?: any;
}
/**
 * Achievement definition
 */
export interface Achievement {
    /** Achievement ID */
    id: string;
    /** Achievement name */
    name: string;
    /** Achievement description */
    description: string;
    /** Is achievement unlocked? */
    unlocked: boolean;
    /** Unlock timestamp */
    unlockedAt?: number;
    /** Achievement icon */
    icon?: string;
    /** Achievement category */
    category?: string;
    /** Achievement rarity */
    rarity?: 'common' | 'uncommon' | 'rare' | 'epic' | 'legendary';
    /** Points awarded */
    points?: number;
    /** Hidden achievement? */
    hidden?: boolean;
    /** Unlock requirements */
    requirements?: Record<string, any>;
    /** Progress toward unlock */
    progress?: number;
    /** Target progress */
    target?: number;
    /** Metadata */
    metadata?: Record<string, any>;
}
/**
 * Game state snapshot
 */
export interface GameState {
    /** Inventory items */
    inventory: Item[];
    /** Character stats */
    stats: Map<string, Stat>;
    /** Active quests */
    quests: Quest[];
    /** Unlocked achievements */
    achievements: Achievement[];
    /** Custom game data */
    customData?: Record<string, any>;
    /** Timestamp */
    timestamp: number;
}
/**
 * Event emitted by game systems
 */
export interface GameSystemEvent {
    /** Event type */
    type: string;
    /** Event data */
    data: any;
    /** Timestamp */
    timestamp: number;
    /** Source system */
    source: string;
}
/**
 * Event handler function
 */
export type EventHandler = (event: GameSystemEvent) => void;
/**
 * Serialized game state for save/load
 */
export interface SerializedGameState {
    /** Format version */
    version: string;
    /** Serialized inventory */
    inventory: Item[];
    /** Serialized stats */
    stats: Record<string, Stat>;
    /** Serialized quests */
    quests: Quest[];
    /** Serialized achievements */
    achievements: Achievement[];
    /** Custom data */
    customData?: Record<string, any>;
    /** Timestamp */
    timestamp: number;
}
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