/**
 * WASM Acceleration for Intelligence Layer
 *
 * Provides WASM-accelerated components for the intelligence stack:
 * - HNSW vector indexing (150x faster pattern search)
 * - Semantic matching (intelligent agent routing)
 *
 * Uses @ruvector/edge for browser/edge compatibility.
 * Falls back to pure JS when WASM unavailable.
 */
import { initRuVectorWasm, isWasmInitialized, RuVectorHnswIndex, RuVectorSemanticMatcher, } from '../wasm/ruvector-edge.js';
import { logger } from '../utils/logger.js';
// Default embedding dimension (matches SONA)
const DEFAULT_DIM = 128;
/**
 * WASM-accelerated pattern index for fast similarity search
 */
export class WasmPatternIndex {
    hnswIndex;
    patterns = new Map();
    indexToId = new Map();
    dimensions;
    constructor(dimensions = DEFAULT_DIM) {
        this.dimensions = dimensions;
        this.hnswIndex = new RuVectorHnswIndex(dimensions, 16, 200);
    }
    /**
     * Initialize WASM (call once at startup)
     */
    static async init() {
        return await initRuVectorWasm();
    }
    /**
     * Add pattern to index
     */
    addPattern(id, embedding, metadata = {}) {
        const vec = embedding instanceof Float32Array
            ? embedding
            : new Float32Array(embedding);
        const entry = {
            id,
            embedding: vec,
            metadata,
            accessCount: 0,
            lastAccessed: Date.now(),
        };
        this.patterns.set(id, entry);
        const idx = this.hnswIndex.add(vec);
        this.indexToId.set(idx, id);
    }
    /**
     * Search for similar patterns
     */
    searchSimilar(queryEmbedding, k = 10, minScore = 0) {
        const vec = queryEmbedding instanceof Float32Array
            ? queryEmbedding
            : new Float32Array(queryEmbedding);
        const results = this.hnswIndex.search(vec, k);
        const output = [];
        for (const result of results) {
            const id = this.indexToId.get(result.index);
            if (id) {
                const pattern = this.patterns.get(id);
                if (pattern) {
                    // Convert distance to similarity score (1 / (1 + distance))
                    const score = 1 / (1 + result.distance);
                    if (score >= minScore) {
                        // Update access stats
                        pattern.accessCount++;
                        pattern.lastAccessed = Date.now();
                        output.push({
                            pattern,
                            distance: result.distance,
                            score,
                        });
                    }
                }
            }
        }
        return output;
    }
    /**
     * Get pattern by ID
     */
    getPattern(id) {
        return this.patterns.get(id);
    }
    /**
     * Get all patterns (for persistence)
     */
    getAllPatterns() {
        return Array.from(this.patterns.values());
    }
    /**
     * Get index size
     */
    size() {
        return this.patterns.size;
    }
    /**
     * Check if WASM acceleration is active
     */
    isWasmAccelerated() {
        return this.hnswIndex.isWasmAccelerated();
    }
    /**
     * Get performance stats
     */
    getStats() {
        let totalAccesses = 0;
        for (const pattern of this.patterns.values()) {
            totalAccesses += pattern.accessCount;
        }
        return {
            patternCount: this.patterns.size,
            wasmAccelerated: this.isWasmAccelerated(),
            dimensions: this.dimensions,
            totalAccesses,
        };
    }
}
/**
 * WASM-accelerated agent router for intelligent task routing
 */
export class WasmAgentRouter {
    semanticMatcher;
    agents = new Map();
    dimensions;
    constructor(dimensions = DEFAULT_DIM) {
        this.dimensions = dimensions;
        this.semanticMatcher = new RuVectorSemanticMatcher();
    }
    /**
     * Initialize WASM (call once at startup)
     */
    static async init() {
        return await initRuVectorWasm();
    }
    /**
     * Register agent for routing
     */
    registerAgent(profile) {
        this.agents.set(profile.agentId, profile);
        this.semanticMatcher.registerAgent(profile.agentId, profile.embedding, profile.capabilities);
    }
    /**
     * Update agent metrics (success rate, latency)
     */
    updateAgentMetrics(agentId, successRate, avgLatency) {
        const agent = this.agents.get(agentId);
        if (agent) {
            agent.successRate = successRate;
            agent.avgLatency = avgLatency;
        }
    }
    /**
     * Route task to best agent(s)
     */
    routeTask(taskEmbedding, options = {}) {
        const { requiredCapabilities = [], minSuccessRate = 0, maxLatency = Infinity, topK = 3, } = options;
        const vec = taskEmbedding instanceof Float32Array
            ? taskEmbedding
            : new Float32Array(taskEmbedding);
        // Get semantic matches
        const matches = this.semanticMatcher.matchTask(vec, topK * 2);
        // Filter and enrich with metrics
        const results = matches
            .map(m => {
            const agent = this.agents.get(m.agent);
            return {
                agentId: m.agent,
                score: m.score,
                capabilities: m.capabilities,
                successRate: agent?.successRate ?? 0,
                avgLatency: agent?.avgLatency ?? 0,
            };
        })
            .filter(r => {
            // Filter by required capabilities
            if (requiredCapabilities.length > 0) {
                const hasAll = requiredCapabilities.every(cap => r.capabilities.includes(cap));
                if (!hasAll)
                    return false;
            }
            // Filter by success rate
            if (r.successRate < minSuccessRate)
                return false;
            // Filter by latency
            if (r.avgLatency > maxLatency)
                return false;
            return true;
        })
            .slice(0, topK);
        return results;
    }
    /**
     * Get agent profile
     */
    getAgent(agentId) {
        return this.agents.get(agentId);
    }
    /**
     * Get all registered agents
     */
    getAllAgents() {
        return Array.from(this.agents.values());
    }
    /**
     * Check if WASM acceleration is active
     */
    isWasmAccelerated() {
        return this.semanticMatcher.isWasmAccelerated();
    }
    /**
     * Get router stats
     */
    getStats() {
        let totalSuccess = 0;
        let totalLatency = 0;
        let count = 0;
        for (const agent of this.agents.values()) {
            totalSuccess += agent.successRate;
            totalLatency += agent.avgLatency;
            count++;
        }
        return {
            agentCount: this.agents.size,
            wasmAccelerated: this.isWasmAccelerated(),
            dimensions: this.dimensions,
            avgSuccessRate: count > 0 ? totalSuccess / count : 0,
            avgLatency: count > 0 ? totalLatency / count : 0,
        };
    }
}
//=============================================================================
// Factory Functions
//=============================================================================
let patternIndexInstance = null;
let agentRouterInstance = null;
/**
 * Get or create singleton pattern index
 */
export function getWasmPatternIndex(dimensions = DEFAULT_DIM) {
    if (!patternIndexInstance) {
        patternIndexInstance = new WasmPatternIndex(dimensions);
        logger.info('Created WASM pattern index', {
            dimensions,
            wasmAccelerated: patternIndexInstance.isWasmAccelerated(),
        });
    }
    return patternIndexInstance;
}
/**
 * Get or create singleton agent router
 */
export function getWasmAgentRouter(dimensions = DEFAULT_DIM) {
    if (!agentRouterInstance) {
        agentRouterInstance = new WasmAgentRouter(dimensions);
        logger.info('Created WASM agent router', {
            dimensions,
            wasmAccelerated: agentRouterInstance.isWasmAccelerated(),
        });
    }
    return agentRouterInstance;
}
/**
 * Initialize WASM acceleration for intelligence layer
 */
export async function initWasmAcceleration() {
    const initialized = await initRuVectorWasm();
    const patternIndex = getWasmPatternIndex();
    const agentRouter = getWasmAgentRouter();
    logger.info('WASM acceleration initialized for intelligence layer', {
        wasmAvailable: initialized,
        patternIndexAccelerated: patternIndex.isWasmAccelerated(),
        agentRouterAccelerated: agentRouter.isWasmAccelerated(),
    });
    return {
        initialized,
        patternIndex,
        agentRouter,
    };
}
/**
 * Get WASM acceleration status
 */
export function getWasmAccelerationStatus() {
    return {
        initialized: isWasmInitialized(),
        patternIndex: patternIndexInstance?.isWasmAccelerated() ?? false,
        agentRouter: agentRouterInstance?.isWasmAccelerated() ?? false,
        speedup: isWasmInitialized() ? '150x vs brute-force' : 'JS fallback',
    };
}
export default {
    WasmPatternIndex,
    WasmAgentRouter,
    getWasmPatternIndex,
    getWasmAgentRouter,
    initWasmAcceleration,
    getWasmAccelerationStatus,
};
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