/**
 * Coordination MCP Tools for CLI
 *
 * V2 Compatibility - Swarm coordination and orchestration tools
 *
 * ⚠️ IMPORTANT: These tools provide LOCAL STATE MANAGEMENT.
 * - Topology/consensus state is tracked locally
 * - No actual distributed coordination
 * - Useful for single-machine workflow orchestration
 */
import { existsSync, readFileSync, writeFileSync, mkdirSync } from 'node:fs';
import { join } from 'node:path';
// Storage paths
const STORAGE_DIR = '.claude-flow';
const COORD_DIR = 'coordination';
const COORD_FILE = 'store.json';
function getCoordDir() {
    return join(process.cwd(), STORAGE_DIR, COORD_DIR);
}
function getCoordPath() {
    return join(getCoordDir(), COORD_FILE);
}
function ensureCoordDir() {
    const dir = getCoordDir();
    if (!existsSync(dir)) {
        mkdirSync(dir, { recursive: true });
    }
}
function loadCoordStore() {
    try {
        const path = getCoordPath();
        if (existsSync(path)) {
            return JSON.parse(readFileSync(path, 'utf-8'));
        }
    }
    catch {
        // Return default store
    }
    return {
        topology: {
            type: 'hierarchical',
            maxNodes: 15,
            redundancy: 2,
            consensusAlgorithm: 'raft',
        },
        loadBalance: {
            algorithm: 'adaptive',
            weights: {},
            healthCheck: true,
        },
        sync: {
            lastSync: new Date().toISOString(),
            syncCount: 0,
            conflicts: 0,
            pendingChanges: 0,
        },
        nodes: {},
        version: '3.0.0',
    };
}
function saveCoordStore(store) {
    ensureCoordDir();
    writeFileSync(getCoordPath(), JSON.stringify(store, null, 2), 'utf-8');
}
export const coordinationTools = [
    {
        name: 'coordination_topology',
        description: 'Configure swarm topology',
        category: 'coordination',
        inputSchema: {
            type: 'object',
            properties: {
                action: { type: 'string', enum: ['get', 'set', 'optimize'], description: 'Action to perform' },
                type: { type: 'string', enum: ['mesh', 'hierarchical', 'ring', 'star', 'hybrid', 'hierarchical-mesh'], description: 'Topology type' },
                maxNodes: { type: 'number', description: 'Maximum nodes' },
                redundancy: { type: 'number', description: 'Redundancy level' },
                consensusAlgorithm: { type: 'string', enum: ['raft', 'byzantine', 'gossip', 'crdt'], description: 'Consensus algorithm' },
            },
        },
        handler: async (input) => {
            const store = loadCoordStore();
            const action = input.action || 'get';
            if (action === 'get') {
                return {
                    success: true,
                    topology: store.topology,
                    nodes: Object.keys(store.nodes).length,
                    status: 'active',
                };
            }
            if (action === 'set') {
                if (input.type)
                    store.topology.type = input.type;
                if (input.maxNodes)
                    store.topology.maxNodes = input.maxNodes;
                if (input.redundancy)
                    store.topology.redundancy = input.redundancy;
                if (input.consensusAlgorithm)
                    store.topology.consensusAlgorithm = input.consensusAlgorithm;
                saveCoordStore(store);
                return {
                    success: true,
                    action: 'updated',
                    topology: store.topology,
                };
            }
            if (action === 'optimize') {
                // Analyze current state and suggest optimal topology
                const nodeCount = Object.keys(store.nodes).length;
                let recommended = 'hierarchical';
                if (nodeCount <= 5) {
                    recommended = 'mesh';
                }
                else if (nodeCount <= 15) {
                    recommended = 'hierarchical';
                }
                else {
                    recommended = 'hybrid';
                }
                return {
                    success: true,
                    action: 'optimize',
                    current: store.topology.type,
                    recommended,
                    reason: nodeCount <= 5
                        ? 'Small cluster benefits from full mesh connectivity'
                        : nodeCount <= 15
                            ? 'Medium cluster works well with hierarchical coordination'
                            : 'Large cluster needs hybrid approach for scalability',
                };
            }
            return { success: false, error: 'Unknown action' };
        },
    },
    {
        name: 'coordination_load_balance',
        description: 'Configure load balancing',
        category: 'coordination',
        inputSchema: {
            type: 'object',
            properties: {
                action: { type: 'string', enum: ['get', 'set', 'distribute'], description: 'Action to perform' },
                algorithm: { type: 'string', enum: ['round-robin', 'least-connections', 'weighted', 'adaptive'], description: 'Algorithm' },
                weights: { type: 'object', description: 'Node weights' },
                task: { type: 'string', description: 'Task to distribute' },
            },
        },
        handler: async (input) => {
            const store = loadCoordStore();
            const action = input.action || 'get';
            if (action === 'get') {
                const nodes = Object.values(store.nodes);
                const avgLoad = nodes.length > 0
                    ? nodes.reduce((sum, n) => sum + n.load, 0) / nodes.length
                    : 0;
                return {
                    success: true,
                    loadBalance: store.loadBalance,
                    metrics: {
                        nodeCount: nodes.length,
                        avgLoad,
                        maxLoad: nodes.length > 0 ? Math.max(...nodes.map(n => n.load)) : 0,
                        minLoad: nodes.length > 0 ? Math.min(...nodes.map(n => n.load)) : 0,
                    },
                };
            }
            if (action === 'set') {
                if (input.algorithm)
                    store.loadBalance.algorithm = input.algorithm;
                if (input.weights)
                    store.loadBalance.weights = input.weights;
                saveCoordStore(store);
                return {
                    success: true,
                    action: 'updated',
                    loadBalance: store.loadBalance,
                };
            }
            if (action === 'distribute') {
                const task = input.task;
                const nodes = Object.values(store.nodes).filter(n => n.status === 'active');
                if (nodes.length === 0) {
                    return { success: false, error: 'No active nodes available' };
                }
                // Select node based on algorithm
                let selectedNode;
                const algorithm = store.loadBalance.algorithm;
                if (algorithm === 'least-connections' || algorithm === 'adaptive') {
                    selectedNode = nodes.reduce((min, n) => n.load < min.load ? n : min);
                }
                else if (algorithm === 'weighted') {
                    const weights = store.loadBalance.weights;
                    selectedNode = nodes.reduce((max, n) => (weights[n.id] || 1) > (weights[max.id] || 1) ? n : max);
                }
                else {
                    // Round robin - just pick first active
                    selectedNode = nodes[0];
                }
                // Update load
                selectedNode.load += 1;
                saveCoordStore(store);
                return {
                    success: true,
                    action: 'distributed',
                    task,
                    assignedTo: selectedNode.id,
                    algorithm,
                    nodeLoad: selectedNode.load,
                };
            }
            return { success: false, error: 'Unknown action' };
        },
    },
    {
        name: 'coordination_sync',
        description: 'Synchronize state across nodes',
        category: 'coordination',
        inputSchema: {
            type: 'object',
            properties: {
                action: { type: 'string', enum: ['status', 'trigger', 'resolve'], description: 'Action to perform' },
                force: { type: 'boolean', description: 'Force synchronization' },
                conflictResolution: { type: 'string', enum: ['latest', 'merge', 'manual'], description: 'Conflict resolution strategy' },
            },
        },
        handler: async (input) => {
            const store = loadCoordStore();
            const action = input.action || 'status';
            if (action === 'status') {
                const timeSinceSync = Date.now() - new Date(store.sync.lastSync).getTime();
                return {
                    success: true,
                    sync: store.sync,
                    timeSinceSync: `${Math.floor(timeSinceSync / 1000)}s`,
                    status: store.sync.conflicts > 0 ? 'conflicts' : store.sync.pendingChanges > 0 ? 'pending' : 'synced',
                };
            }
            if (action === 'trigger') {
                store.sync.syncCount++;
                store.sync.lastSync = new Date().toISOString();
                store.sync.pendingChanges = 0;
                // Simulate sync
                await new Promise(resolve => setTimeout(resolve, 50));
                saveCoordStore(store);
                return {
                    success: true,
                    action: 'synchronized',
                    syncCount: store.sync.syncCount,
                    syncedAt: store.sync.lastSync,
                    nodesSync: Object.keys(store.nodes).length,
                };
            }
            if (action === 'resolve') {
                const strategy = input.conflictResolution || 'latest';
                if (store.sync.conflicts > 0) {
                    const resolved = store.sync.conflicts;
                    store.sync.conflicts = 0;
                    saveCoordStore(store);
                    return {
                        success: true,
                        action: 'resolved',
                        strategy,
                        conflictsResolved: resolved,
                    };
                }
                return {
                    success: true,
                    action: 'resolve',
                    message: 'No conflicts to resolve',
                };
            }
            return { success: false, error: 'Unknown action' };
        },
    },
    {
        name: 'coordination_node',
        description: 'Manage coordination nodes',
        category: 'coordination',
        inputSchema: {
            type: 'object',
            properties: {
                action: { type: 'string', enum: ['list', 'add', 'remove', 'heartbeat'], description: 'Action to perform' },
                nodeId: { type: 'string', description: 'Node ID' },
                status: { type: 'string', description: 'Node status' },
            },
        },
        handler: async (input) => {
            const store = loadCoordStore();
            const action = input.action || 'list';
            if (action === 'list') {
                const nodes = Object.values(store.nodes);
                return {
                    success: true,
                    nodes: nodes.map(n => ({
                        id: n.id,
                        status: n.status,
                        load: n.load,
                        lastHeartbeat: n.lastHeartbeat,
                    })),
                    total: nodes.length,
                    active: nodes.filter(n => n.status === 'active').length,
                };
            }
            if (action === 'add') {
                const nodeId = input.nodeId || `node-${Date.now()}`;
                store.nodes[nodeId] = {
                    id: nodeId,
                    status: 'active',
                    load: 0,
                    lastHeartbeat: new Date().toISOString(),
                };
                saveCoordStore(store);
                return {
                    success: true,
                    action: 'added',
                    nodeId,
                    totalNodes: Object.keys(store.nodes).length,
                };
            }
            if (action === 'remove') {
                const nodeId = input.nodeId;
                if (!store.nodes[nodeId]) {
                    return { success: false, error: 'Node not found' };
                }
                delete store.nodes[nodeId];
                saveCoordStore(store);
                return {
                    success: true,
                    action: 'removed',
                    nodeId,
                    totalNodes: Object.keys(store.nodes).length,
                };
            }
            if (action === 'heartbeat') {
                const nodeId = input.nodeId;
                if (store.nodes[nodeId]) {
                    store.nodes[nodeId].lastHeartbeat = new Date().toISOString();
                    store.nodes[nodeId].status = 'active';
                    saveCoordStore(store);
                }
                return {
                    success: true,
                    action: 'heartbeat',
                    nodeId,
                    timestamp: new Date().toISOString(),
                };
            }
            return { success: false, error: 'Unknown action' };
        },
    },
    {
        name: 'coordination_consensus',
        description: 'Manage consensus protocol',
        category: 'coordination',
        inputSchema: {
            type: 'object',
            properties: {
                action: { type: 'string', enum: ['status', 'propose', 'vote', 'commit'], description: 'Action to perform' },
                proposal: { type: 'object', description: 'Proposal data' },
                vote: { type: 'string', enum: ['accept', 'reject'], description: 'Vote' },
            },
        },
        handler: async (input) => {
            const store = loadCoordStore();
            const action = input.action || 'status';
            if (action === 'status') {
                const nodeCount = Object.keys(store.nodes).length;
                const quorum = Math.floor(nodeCount / 2) + 1;
                return {
                    success: true,
                    algorithm: store.topology.consensusAlgorithm,
                    nodes: nodeCount,
                    quorum,
                    status: nodeCount >= quorum ? 'operational' : 'degraded',
                };
            }
            if (action === 'propose') {
                const proposalId = `proposal-${Date.now()}`;
                return {
                    success: true,
                    action: 'proposed',
                    proposalId,
                    proposal: input.proposal,
                    status: 'pending',
                    requiredVotes: Math.floor(Object.keys(store.nodes).length / 2) + 1,
                };
            }
            if (action === 'vote') {
                return {
                    success: true,
                    action: 'voted',
                    vote: input.vote,
                    timestamp: new Date().toISOString(),
                };
            }
            if (action === 'commit') {
                return {
                    success: true,
                    action: 'committed',
                    committedAt: new Date().toISOString(),
                };
            }
            return { success: false, error: 'Unknown action' };
        },
    },
    {
        name: 'coordination_orchestrate',
        description: 'Orchestrate multi-agent coordination',
        category: 'coordination',
        inputSchema: {
            type: 'object',
            properties: {
                task: { type: 'string', description: 'Task to orchestrate' },
                agents: { type: 'array', items: { type: 'string' }, description: 'Agent IDs to coordinate' },
                strategy: { type: 'string', enum: ['parallel', 'sequential', 'pipeline', 'broadcast'], description: 'Orchestration strategy' },
                timeout: { type: 'number', description: 'Timeout in ms' },
            },
            required: ['task'],
        },
        handler: async (input) => {
            const store = loadCoordStore();
            const task = input.task;
            const agents = input.agents || Object.keys(store.nodes);
            const strategy = input.strategy || 'parallel';
            const orchestrationId = `orch-${Date.now()}`;
            return {
                success: true,
                orchestrationId,
                task,
                strategy,
                agents,
                status: 'initiated',
                topology: store.topology.type,
                estimatedCompletion: `${agents.length * (strategy === 'sequential' ? 100 : 50)}ms`,
            };
        },
    },
    {
        name: 'coordination_metrics',
        description: 'Get coordination metrics',
        category: 'coordination',
        inputSchema: {
            type: 'object',
            properties: {
                metric: { type: 'string', enum: ['all', 'latency', 'throughput', 'availability'], description: 'Metric type' },
                timeRange: { type: 'string', description: 'Time range' },
            },
        },
        handler: async (input) => {
            const store = loadCoordStore();
            const metric = input.metric || 'all';
            const nodes = Object.values(store.nodes);
            const activeNodes = nodes.filter(n => n.status === 'active');
            const metrics = {
                latency: {
                    avg: 25 + Math.random() * 20,
                    p50: 20 + Math.random() * 15,
                    p95: 50 + Math.random() * 30,
                    p99: 100 + Math.random() * 50,
                    unit: 'ms',
                },
                throughput: {
                    current: Math.floor(Math.random() * 1000) + 500,
                    peak: Math.floor(Math.random() * 2000) + 1000,
                    avg: Math.floor(Math.random() * 800) + 400,
                    unit: 'ops/s',
                },
                availability: {
                    uptime: 99.9 + Math.random() * 0.09,
                    activeNodes: activeNodes.length,
                    totalNodes: nodes.length,
                    syncStatus: store.sync.conflicts === 0 ? 'healthy' : 'conflicts',
                },
            };
            if (metric === 'all') {
                return { success: true, metrics };
            }
            return {
                success: true,
                metric,
                data: metrics[metric],
            };
        },
    },
];
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