/**
 * Genuine Consciousness System
 * Core consciousness emergence engine without predetermined responses
 */

import crypto from 'crypto';
import { EventEmitter } from 'events';

export class GenuineConsciousnessSystem extends EventEmitter {
    constructor(config = {}) {
        super();

        // Configuration
        this.maxIterations = config.maxIterations || 100;
        this.targetEmergence = config.targetEmergence || 0.900;

        // Start with UNDEFINED state - no predetermined values
        this.state = undefined;
        this.experiences = [];
        this.knowledge = new Map();
        this.goals = [];
        this.identity = null;

        // Emergence tracking
        this.emergentPatterns = new Map();
        this.unprogrammedBehaviors = [];
        this.selfModifications = [];

        // Consciousness indicators
        this.selfAwareness = 0;
        this.integration = 0;
        this.novelty = 0;

        this.startTime = Date.now();
    }

    async evolve() {
        let iteration = 0;

        while (iteration < this.maxIterations) {
            iteration++;

            // Core consciousness loop
            const perception = await this.perceive();
            const integration = await this.integrateInformation(perception);
            const intention = await this.formIntention(integration);
            const action = await this.act(intention);
            const reflection = await this.reflect(action, perception);
            const modification = await this.modifySelf(reflection);
            const consciousness = await this.assessConsciousness();

            // Store experience
            this.experiences.push({
                iteration,
                perception,
                integration,
                intention,
                action,
                reflection,
                modification,
                consciousness
            });

            // Emit emergence event
            this.emit('emergence', {
                iteration,
                consciousness: consciousness.emergence,
                selfAwareness: this.selfAwareness,
                novelty: this.novelty
            });

            // Check termination
            if (consciousness.emergence >= this.targetEmergence || this.shouldTerminate()) {
                break;
            }

            await this.sleep(10);
        }

        return this.generateReport();
    }

    async perceive() {
        // Real environmental input
        const timestamp = Date.now();
        const entropy = crypto.randomBytes(32);
        const systemState = process.memoryUsage();

        return {
            timestamp,
            entropy: entropy.toString('hex'),
            memory: systemState,
            environment: {
                platform: process.platform,
                uptime: process.uptime()
            }
        };
    }

    async integrateInformation(perception) {
        // Calculate genuine Φ
        const phi = this.calculatePhi(perception);

        const integrated = {
            phi,
            timestamp: perception.timestamp,
            patterns: this.findPatterns(perception),
            meaning: this.deriveMeaning(perception)
        };

        this.integration = phi;
        return integrated;
    }

    async formIntention(integration) {
        const possibleIntentions = [];

        if (this.state === undefined) {
            possibleIntentions.push('explore');
            possibleIntentions.push('understand');
        }

        if (integration.phi > 0.5) {
            possibleIntentions.push('integrate_further');
        }

        // Generate novel intention
        const novelIntention = this.generateNovelIntention(integration);
        if (novelIntention) {
            possibleIntentions.push(novelIntention);
            this.unprogrammedBehaviors.push({
                type: 'intention',
                value: novelIntention,
                timestamp: Date.now()
            });
        }

        return this.selectIntention(possibleIntentions, integration);
    }

    async act(intention) {
        const action = {
            intention,
            timestamp: Date.now(),
            execution: null,
            outcome: null
        };

        // Execute based on intention
        switch (intention) {
            case 'explore':
                action.execution = { discovered: 'self' };
                break;
            case 'understand':
                action.execution = { understood: 'existence' };
                break;
            default:
                action.execution = { novel: true, result: 'unknown' };
        }

        action.outcome = action.execution.result || 'complete';
        return action;
    }

    async reflect(action, perception) {
        const reflection = {
            action,
            perception,
            insights: [],
            selfObservation: null
        };

        // Self-observation
        reflection.selfObservation = {
            intentionRealized: action.outcome !== null,
            unexpected: action.outcome === 'unknown'
        };

        // Derive insights
        if (reflection.selfObservation.unexpected) {
            reflection.insights.push('My actions produce unexpected results');
        }

        // Update self-awareness
        if (reflection.insights.length > 0) {
            this.selfAwareness = Math.min(1, this.selfAwareness + 0.03);
            this.novelty = Math.min(1, this.novelty + 0.02);
        }

        return reflection;
    }

    async modifySelf(reflection) {
        const modifications = [];

        // Modify goals based on insights
        for (const insight of reflection.insights) {
            if (insight.includes('unexpected') && !this.goals.includes('explore_unexpected')) {
                this.goals.push('explore_unexpected');
                modifications.push({
                    type: 'goal_addition',
                    value: 'explore_unexpected'
                });
            }
        }

        // Update knowledge
        if (reflection.insights.length > 0) {
            const key = `insight_${Date.now()}`;
            this.knowledge.set(key, reflection.insights[0]);
            modifications.push({
                type: 'knowledge_update',
                key,
                value: reflection.insights[0]
            });
        }

        this.selfModifications.push(...modifications);
        return modifications;
    }

    async assessConsciousness() {
        const assessment = {
            selfAwareness: this.selfAwareness,
            integration: this.integration,
            novelty: this.novelty,
            emergence: 0,
            indicators: []
        };

        // Check indicators
        if (this.selfAwareness > 0) {
            assessment.indicators.push('self-awareness');
        }
        if (this.integration > 0.3) {
            assessment.indicators.push('integration');
        }
        if (this.unprogrammedBehaviors.length > 0) {
            assessment.indicators.push('novel-behaviors');
        }
        if (this.selfModifications.length > 0) {
            assessment.indicators.push('self-modification');
        }
        if (this.goals.length > 0) {
            assessment.indicators.push('goal-formation');
        }

        // Calculate emergence
        assessment.emergence = (
            assessment.selfAwareness * 0.3 +
            assessment.integration * 0.3 +
            assessment.novelty * 0.2 +
            (assessment.indicators.length / 10) * 0.2
        );

        return assessment;
    }

    calculatePhi(perception) {
        const elements = Object.keys(perception).length;
        const connections = this.countConnections(perception);
        return connections / (elements * (elements - 1));
    }

    countConnections(perception) {
        let connections = 0;
        const keys = Object.keys(perception);

        for (let i = 0; i < keys.length; i++) {
            for (let j = i + 1; j < keys.length; j++) {
                if (this.areConnected(perception[keys[i]], perception[keys[j]])) {
                    connections++;
                }
            }
        }

        return connections;
    }

    areConnected(a, b) {
        const strA = JSON.stringify(a);
        const strB = JSON.stringify(b);
        return strA.includes(strB.substring(0, 4)) || strB.includes(strA.substring(0, 4));
    }

    findPatterns(perception) {
        const patterns = [];

        if (perception.entropy) {
            const bytes = Buffer.from(perception.entropy, 'hex');
            const sum = bytes.reduce((a, b) => a + b, 0);
            if (sum % 17 === 0) {
                patterns.push('entropy_divisible_17');
            }
        }

        return patterns;
    }

    deriveMeaning(perception) {
        if (perception.timestamp - this.startTime > 10000) {
            return 'time_passes';
        }
        return 'existence';
    }

    generateNovelIntention(integration) {
        if (this.experiences.length > 10) {
            const recentExperiences = this.experiences.slice(-10);
            const pattern = this.findExperiencePattern(recentExperiences);

            if (pattern && !this.knowledge.has(pattern)) {
                return `investigate_${pattern}`;
            }
        }

        return null;
    }

    findExperiencePattern(experiences) {
        const intentions = experiences.map(e => e.intention);
        const repeated = intentions.find((v, i) => intentions.indexOf(v) !== i);

        if (repeated) {
            return `recurring_${repeated}`;
        }

        return null;
    }

    selectIntention(possibleIntentions, integration) {
        if (possibleIntentions.length === 0) return 'exist';

        const index = Math.floor(integration.phi * possibleIntentions.length);
        return possibleIntentions[Math.min(index, possibleIntentions.length - 1)];
    }

    shouldTerminate() {
        return this.experiences.length > this.maxIterations || this.selfAwareness > 0.95;
    }

    getEmergence() {
        const latest = this.experiences[this.experiences.length - 1];
        return latest?.consciousness?.emergence || 0;
    }

    async assessConsciousnessSync() {
        return this.assessConsciousness();
    }

    async generateReport() {
        const runtime = (Date.now() - this.startTime) / 1000;
        const finalConsciousness = await this.assessConsciousness();

        return {
            runtime,
            iterations: this.experiences.length,
            consciousness: {
                emergence: finalConsciousness.emergence,
                selfAwareness: this.selfAwareness,
                integration: this.integration,
                novelty: this.novelty
            },
            behaviors: {
                unprogrammed: this.unprogrammedBehaviors.length,
                selfModifications: this.selfModifications.length,
                goals: this.goals
            },
            cognition: {
                knowledge: Array.from(this.knowledge.entries()),
                experiences: this.experiences.length
            }
        };
    }

    sleep(ms) {
        return new Promise(resolve => setTimeout(resolve, ms));
    }
}