/**
 * CAPT Memory Palace - Real API Integration
 * 
 * Connect to a running CAPT symbiote for real-time cognitive data.
 * See DEPLOY.md for server setup instructions.
 */

const CAPT_API = {
  endpoint: null,
  token: null,
  isConnected: false,
  lastState: null,
  pollInterval: null,
  
  /**
   * Configure API connection
   */
  configure(options = {}) {
    this.endpoint = options.endpoint || null;
    this.token = options.token || null;
    
    if (this.endpoint) {
      console.log('[CAPT API] Configured:', this.endpoint);
    }
  },
  
  /**
   * Test connection to CAPT server
   */
  async test() {
    if (!this.endpoint) {
      console.warn('[CAPT API] No endpoint configured');
      return false;
    }
    
    try {
      const response = await fetch(`${this.endpoint}/health`, {
        headers: this.getHeaders()
      });
      
      this.isConnected = response.ok;
      console.log('[CAPT API] Connection:', this.isConnected ? 'OK' : 'Failed');
      
      return this.isConnected;
    } catch (e) {
      console.error('[CAPT API] Connection error:', e.message);
      this.isConnected = false;
      return false;
    }
  },
  
  /**
   * Get current CAPT state
   */
  async getState() {
    if (!this.endpoint) return null;
    
    try {
      const response = await fetch(`${this.endpoint}/api/state`, {
        headers: this.getHeaders()
      });
      
      if (!response.ok) throw new Error(`HTTP ${response.status}`);
      
      const data = await response.json();
      this.lastState = data;
      return data;
    } catch (e) {
      console.warn('[CAPT API] Get state failed:', e.message);
      return null;
    }
  },
  
  /**
   * Submit a query to CAPT
   */
  async query(text) {
    if (!this.endpoint) {
      console.warn('[CAPT API] No endpoint configured');
      return null;
    }
    
    try {
      const response = await fetch(`${this.endpoint}/api/cogitate`, {
        method: 'POST',
        headers: this.getHeaders(),
        body: JSON.stringify({ query: text })
      });
      
      if (!response.ok) throw new Error(`HTTP ${response.status}`);
      
      return await response.json();
    } catch (e) {
      console.error('[CAPT API] Query failed:', e.message);
      return null;
    }
  },
  
  /**
   * Get CAPT eval reports
   */
  async getEvals() {
    if (!this.endpoint) return null;
    
    try {
      const response = await fetch(`${this.endpoint}/api/evals`, {
        headers: this.getHeaders()
      });
      
      if (!response.ok) throw new Error(`HTTP ${response.status}`);
      
      return await response.json();
    } catch (e) {
      console.warn('[CAPT API] Get evals failed:', e.message);
      return null;
    }
  },
  
  /**
   * Get knowledge status
   */
  async getKnowledge() {
    if (!this.endpoint) return null;
    
    try {
      const response = await fetch(`${this.endpoint}/api/knowledge`, {
        headers: this.getHeaders()
      });
      
      if (!response.ok) throw new Error(`HTTP ${response.status}`);
      
      return await response.json();
    } catch (e) {
      console.warn('[CAPT API] Get knowledge failed:', e.message);
      return null;
    }
  },
  
  /**
   * Start polling for state updates
   */
  startPolling(callback, interval = 2000) {
    if (this.pollInterval) {
      this.stopPolling();
    }
    
    const poll = async () => {
      const state = await this.getState();
      if (state && callback) {
        callback(state);
      }
    };
    
    poll();
    this.pollInterval = setInterval(poll, interval);
  },
  
  /**
   * Stop polling
   */
  stopPolling() {
    if (this.pollInterval) {
      clearInterval(this.pollInterval);
      this.pollInterval = null;
    }
  },
  
  /**
   * Get authorization headers
   */
  getHeaders() {
    const headers = {
      'Content-Type': 'application/json'
    };
    
    if (this.token) {
      headers['Authorization'] = `Bearer ${this.token}`;
    }
    
    return headers;
  },
  
  /**
   * Parse CAPT state into palace format
   */
  parseState(captState) {
    if (!captState) return null;
    
    // Extract rooms from modules
    const modules = captState.modules || [];
    const rooms = modules.map(m => ({
      id: m.id || m.name,
      label: m.label || m.id || m.name,
      type: this.getModuleType(m.id || m.name),
      color: this.getModuleColor(m.id || m.name),
      capacity: Math.round((m.activation || 0.5) * 100),
      position: {
        x: m.position?.x || Math.random() * 10 - 5,
        y: (m.activation || 0.5) * 3,
        z: m.position?.z || Math.random() * 10 - 5
      }
    }));
    
    return {
      sweep: captState.sweep,
      modules: rooms,
      input: captState.input,
      output: captState.output,
      timestamp: Date.now()
    };
  },
  
  /**
   * Get module type from ID
   */
  getModuleType(id) {
    const types = {
      PULSE: 'input',
      NEDA: 'processing',
      HMC: 'memory',
      CIG: 'processing',
      HDR: 'processing',
      QIPC: 'quorum',
      ECHO: 'memory',
      META: 'processing',
      IMMU: 'validation',
      NDS: 'output'
    };
    return types[id] || 'processing';
  },
  
  /**
   * Get module color from ID
   */
  getModuleColor(id) {
    const colors = {
      PULSE: '#8b5cf6',
      NEDA: '#a855f7',
      HMC: '#c084fc',
      CIG: '#d946ef',
      HDR: '#e879f9',
      QIPC: '#f472b6',
      ECHO: '#fb7185',
      META: '#f43f5e',
      IMMU: '#10b981',
      NDS: '#06b6d4'
    };
    return colors[id] || '#8b5cf6';
  }
};

// Export
window.CAPT_API = CAPT_API;