#!/usr/bin/env node
// ═══════════════════════════════════════════════════════════════════════════
// Agent Runtime v2 — Med Runtime Trace och Acceptance Tests
// ═══════════════════════════════════════════════════════════════════════════

import { RuntimeTrace } from './runtime-trace.mjs';

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 AgentRuntimeV2 {
  constructor(task) {
    this.task = task;
    this.trace = new RuntimeTrace(task.id);
    this.currentRole = null;
    this.context = {};
  }

  /**
   * Kör en agent genom hela flödet med trace
   */
  async execute() {
    console.log(`=== Agent Runtime: ${this.task.id} ===`);
    
    try {
      // 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();
      
    } catch (error) {
      return this.block(`Exception: ${error.message}`, { error: error.stack });
    }
  }

  async runPlanner() {
    this.currentRole = AGENT_ROLES.PLANNER;
    const node = this.trace.addNode('PLANNER', { task: this.task.description });
    
    // TODO: Implementera planering
    this.context.plan = {
      steps: [],
      estimatedTime: null,
      dependencies: []
    };
    
    this.trace.completeNode(node.id, { plan: this.context.plan });
    return this.context.plan;
  }

  async buildContext() {
    const node = this.trace.addNode('CONTEXT', { task: this.task.description });
    
    // TODO: Samla kontext från Git, filer, etc.
    this.context.git = {
      branch: null,
      uncommitted: null,
      remote: null
    };
    
    this.context.confidence = 0.8; // TODO: Beräkna riktig confidence
    
    this.trace.completeNode(node.id, { 
      confidence: this.context.confidence,
      git: this.context.git
    });
  }

  async queryProjectMemory() {
    const node = this.trace.addNode('MEMORY', { queries: [] });
    
    // TODO: Sök i MEMORY.md, dagliga filer, ADR
    this.context.memory = {
      relevantDecisions: [],
      similarTasks: [],
      lessonsLearned: []
    };
    
    this.trace.completeNode(node.id, { results: this.context.memory });
  }

  async queryKnowledgeGraph() {
    const node = this.trace.addNode('KNOWLEDGE', { queries: [] });
    
    // TODO: Sök i kunskapsgrafen
    this.context.knowledge = {
      relatedCapabilities: [],
      dependencies: [],
      impact: []
    };
    
    this.trace.completeNode(node.id, { results: this.context.knowledge });
  }

  async runEOSCheck() {
    const node = this.trace.addNode('EOS', { rules: [] });
    
    // 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);
    
    if (!allPassed) {
      const failed = results.filter(r => !r.passed);
      this.trace.blockNode(node.id, `Failed: ${failed.map(f => f.check).join(', ')}`);
      
      return {
        passed: false,
        results
      };
    }
    
    this.trace.completeNode(node.id, { passed: results.length, failed: 0 });
    
    return {
      passed: true,
      results
    };
  }

  async runDeveloper() {
    this.currentRole = AGENT_ROLES.DEVELOPER;
    const node = this.trace.addNode('DEVELOPER', { files: [] });
    
    // TODO: Implementera kod
    this.context.implementation = {
      filesChanged: [],
      testsAdded: [],
      documentation: []
    };
    
    this.trace.completeNode(node.id, { implementation: this.context.implementation });
  }

  async runReviewer() {
    this.currentRole = AGENT_ROLES.REVIEWER;
    const node = this.trace.addNode('REVIEWER', { checks: [] });
    
    // 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);
    
    if (!allPassed) {
      const failed = results.filter(r => !r.passed);
      this.trace.blockNode(node.id, `Failed: ${failed.map(f => f.check).join(', ')}`);
      
      return {
        passed: false,
        results
      };
    }
    
    this.trace.completeNode(node.id, { passed: results.length, failed: 0 });
    
    return {
      passed: true,
      results
    };
  }

  async runOperator() {
    this.currentRole = AGENT_ROLES.OPERATOR;
    const node = this.trace.addNode('OPERATOR', { environment: null });
    
    // TODO: Förbered deployment
    this.context.deployment = {
      environment: null,
      rollbackPlan: null,
      healthChecks: []
    };
    
    this.trace.completeNode(node.id, { deployment: this.context.deployment });
  }

  async commit() {
    const node = this.trace.addNode('COMMIT');
    
    // TODO: Git commit
    const result = {
      status: 'success',
      commitHash: null
    };
    
    this.trace.completeNode(node.id, result);
    
    return {
      status: 'success',
      commitHash: null,
      trace: this.trace.toJSON()
    };
  }

  block(reason, details) {
    // Hitta senaste nod och markera som blockerad
    const lastNode = this.trace.nodes[this.trace.nodes.length - 1];
    if (lastNode) {
      this.trace.blockNode(lastNode.id, reason);
    }
    
    return {
      status: 'blocked',
      reason,
      details,
      trace: this.trace.toJSON()
    };
  }

  /**
   * Hämta trace för analys
   */
  getTrace() {
    return this.trace;
  }
}

// CLI
if (process.argv[1] === new URL(import.meta.url).pathname) {
  const runtime = new AgentRuntimeV2({
    id: 'test-task',
    description: 'Testa Agent Runtime v2'
  });
  
  runtime.execute().then(result => {
    console.log('\n=== Resultat ===');
    console.log(JSON.stringify(result, null, 2));
    
    console.log('\n=== Trace ===');
    console.log(runtime.getTrace().toText());
  });
}

export { AgentRuntimeV2, AGENT_ROLES };