#!/usr/bin/env node
// ═══════════════════════════════════════════════════════════════════════════
// Agent Runtime — Den enda vägen genom systemet
// "Ingen agent ska kunna hoppa över Planner, Project Memory eller EOS"
// ═══════════════════════════════════════════════════════════════════════════

/**
 * Agent Runtime styr hur en agent arbetar.
 * 
 * Flöde:
 * Task
 *   ↓
 * Planner — bryter ned arbete och planerar
 *   ↓
 * Context Builder — samlar kontext
 *   ↓
 * Project Memory — hämtar kunskap
 *   ↓
 * Knowledge Graph — förstår relationer
 *   ↓
 * EOS Policy Check — verifierar mot regler
 *   ↓
 * Developer — skriver kod
 *   ↓
 * Reviewer — granskar kod och kör EOS/SIL
 *   ↓
 * Operator — deployment, drift, rollback
 *   ↓
 * Commit
 * 
 * Varje steg är obligatoriskt och loggat.
 */

const AGENT_ROLES = {
  PLANNER: {
    id: 'planner',
    name: 'Planner',
    description: 'Bryter ned arbete och planerar',
    tools: ['plan', 'estimate', 'prioritize'],
    permissions: ['read', 'plan'],
    eosChecks: ['goal-alignment', 'dependency-check']
  },
  DEVELOPER: {
    id: 'developer',
    name: 'Developer',
    description: 'Skriver kod',
    tools: ['read', 'write', 'edit', 'exec'],
    permissions: ['read', 'write', 'edit'],
    eosChecks: ['no-hardcoded-secrets', 'test-required', 'no-direct-prod']
  },
  REVIEWER: {
    id: 'reviewer',
    name: 'Reviewer',
    description: 'Granskar kod och kör EOS/SIL',
    tools: ['read', 'analyze', 'verify'],
    permissions: ['read', 'analyze'],
    eosChecks: ['all-eos-rules', 'security-scan', 'dependency-audit']
  },
  OPERATOR: {
    id: 'operator',
    name: 'Operator',
    description: 'Deployment, drift och rollback',
    tools: ['deploy', 'monitor', 'rollback'],
    permissions: ['read', 'deploy'],
    eosChecks: ['readiness-gate', 'release-gate', 'backup-verified']
  }
};

class AgentRuntime {
  constructor(task) {
    this.task = task;
    this.log = [];
    this.currentRole = null;
    this.context = {};
  }

  /**
   * Kör en agent genom hela flödet
   */
  async execute() {
    console.log(`=== Agent Runtime: ${this.task.id} ===`);
    
    // Steg 1: Planner
    await this.runPlanner();
    
    // Steg 2: Context Builder
    await this.buildContext();
    
    // Steg 3: Project Memory
    await this.queryProjectMemory();
    
    // Steg 4: Knowledge Graph
    await this.queryKnowledgeGraph();
    
    // Steg 5: EOS Policy Check
    const eosResult = await this.runEOSCheck();
    if (!eosResult.passed) {
      return this.block('EOS Policy Check failed', eosResult);
    }
    
    // Steg 6: Developer
    const devResult = await this.runDeveloper();
    
    // Steg 7: Reviewer
    const reviewResult = await this.runReviewer();
    if (!reviewResult.passed) {
      return this.block('Review failed', reviewResult);
    }
    
    // Steg 8: Operator
    const opResult = await this.runOperator();
    
    // Steg 9: Commit
    return this.commit();
  }

  async runPlanner() {
    this.currentRole = AGENT_ROLES.PLANNER;
    this.logStep('PLANNER', 'Breaking down task');
    
    // TODO: Implementera planering
    this.context.plan = {
      steps: [],
      estimatedTime: null,
      dependencies: []
    };
    
    return this.context.plan;
  }

  async buildContext() {
    this.logStep('CONTEXT', 'Building context');
    
    // TODO: Samla kontext från Git, filer, etc.
    this.context.git = {
      branch: null,
      uncommitted: null,
      remote: null
    };
  }

  async queryProjectMemory() {
    this.logStep('MEMORY', 'Querying project memory');
    
    // TODO: Sök i MEMORY.md, dagliga filer, ADR
    this.context.memory = {
      relevantDecisions: [],
      similarTasks: [],
      lessonsLearned: []
    };
  }

  async queryKnowledgeGraph() {
    this.logStep('KNOWLEDGE', 'Querying knowledge graph');
    
    // TODO: Sök i kunskapsgrafen
    this.context.knowledge = {
      relatedCapabilities: [],
      dependencies: [],
      impact: []
    };
  }

  async runEOSCheck() {
    this.logStep('EOS', 'Running policy checks');
    
    // TODO: Kör alla EOS-policyer
    const checks = [
      'no-hardcoded-secrets',
      'no-direct-prod',
      'test-required',
      'git-required'
    ];
    
    const results = checks.map(check => ({
      check,
      passed: true, // TODO: Verklig kontroll
      evidence: null
    }));
    
    const allPassed = results.every(r => r.passed);
    
    return {
      passed: allPassed,
      results
    };
  }

  async runDeveloper() {
    this.currentRole = AGENT_ROLES.DEVELOPER;
    this.logStep('DEVELOPER', 'Implementing');
    
    // TODO: Implementera kod
    this.context.implementation = {
      filesChanged: [],
      testsAdded: [],
      documentation: []
    };
  }

  async runReviewer() {
    this.currentRole = AGENT_ROLES.REVIEWER;
    this.logStep('REVIEWER', 'Reviewing');
    
    // TODO: Granska kod
    const checks = [
      'code-quality',
      'security-scan',
      'eos-compliance',
      'test-coverage'
    ];
    
    const results = checks.map(check => ({
      check,
      passed: true, // TODO: Verklig kontroll
      evidence: null
    }));
    
    const allPassed = results.every(r => r.passed);
    
    return {
      passed: allPassed,
      results
    };
  }

  async runOperator() {
    this.currentRole = AGENT_ROLES.OPERATOR;
    this.logStep('OPERATOR', 'Preparing deployment');
    
    // TODO: Förbered deployment
    this.context.deployment = {
      environment: null,
      rollbackPlan: null,
      healthChecks: []
    };
  }

  async commit() {
    this.logStep('COMMIT', 'Committing changes');
    
    // TODO: Git commit
    return {
      status: 'success',
      commitHash: null,
      log: this.log
    };
  }

  block(reason, details) {
    this.logStep('BLOCKED', reason);
    
    return {
      status: 'blocked',
      reason,
      details,
      log: this.log
    };
  }

  logStep(phase, action) {
    const entry = {
      timestamp: new Date().toISOString(),
      phase,
      action,
      role: this.currentRole?.id || 'system'
    };
    
    this.log.push(entry);
    console.log(`  [${phase}] ${action}`);
  }
}

// CLI
if (process.argv[1] === new URL(import.meta.url).pathname) {
  const runtime = new AgentRuntime({
    id: 'test-task',
    description: 'Testa Agent Runtime'
  });
  
  runtime.execute().then(result => {
    console.log('\n=== Resultat ===');
    console.log(JSON.stringify(result, null, 2));
  });
}

export { AgentRuntime, AGENT_ROLES };