/**
 * universal-symbolics
 * 
 * A unified runtime layer for symbolic operations across frontier LLMs.
 * This implementation transpiles symbolic primitives across vendor syntaxes.
 */

// Core symbolic primitives and their implementation across vendors
export interface SymbolicPrimitive {
  name: string;
  description: string;
  implementations: {
    universal: string;
    claude?: string;
    openai?: string;
    qwen?: string;
    gemini?: string;
    deepseek?: string;
    local?: string;
  };
  paramSchema?: Record<string, ParamDefinition>;
}

export interface ParamDefinition {
  type: 'string' | 'boolean' | 'number' | 'object' | 'array';
  description: string;
  required?: boolean;
  default?: any;
}

// Base definition of all vendor models
export type ModelVendor = 'claude' | 'openai' | 'qwen' | 'gemini' | 'deepseek' | 'local';

// Core symbolic operation registry
export const SYMBOLIC_PRIMITIVES: Record<string, SymbolicPrimitive> = {
  think: {
    name: 'think',
    description: 'Enables explicit reasoning trace and step-by-step thinking',
    implementations: {
      universal: '.p/think{content}',
      claude: '<think>content</think>',
      openai: 'tool_choice parameter',
      qwen: '/think content',
      gemini: 'Implicit via system prompt',
      deepseek: 'Rational thinking mode'
    },
    paramSchema: {
      content: {
        type: 'string',
        description: 'The thinking content',
        required: false
      },
      trace: {
        type: 'boolean',
        description: 'Whether to include thinking trace in response',
        default: true
      },
      depth: {
        type: 'number',
        description: 'Depth of thinking (if supported)',
        default: 1
      }
    }
  },
  
  reflect: {
    name: 'reflect',
    description: 'Self-reference and examination of reasoning processes',
    implementations: {
      universal: '.p/reflect{target}',
      claude: '<reflect>target</reflect>',
      openai: 'Chain-of-thought prompting',
      qwen: 'Internally supported',
      gemini: 'Reasoning templates'
    },
    paramSchema: {
      target: {
        type: 'string',
        description: 'What to reflect on',
        required: true
      },
      depth: {
        type: 'number',
        description: 'Depth of reflection',
        default: 1
      }
    }
  },
  
  fork: {
    name: 'fork',
    description: 'Create parallel reasoning paths to explore multiple options',
    implementations: {
      universal: '.p/fork{paths}',
      claude: 'Emulated via parsing',
      openai: 'Emulated via parsing',
      qwen: 'Emulated via parsing',
      gemini: 'Emulated via parsing',
      deepseek: 'Emulated via parsing'
    },
    paramSchema: {
      paths: {
        type: 'array',
        description: 'Different paths to explore',
        required: true
      },
      weights: {
        type: 'array',
        description: 'Weights for each path',
        required: false
      }
    }
  },
  
  collapse: {
    name: 'collapse',
    description: 'Handle errors and recover from failures',
    implementations: {
      universal: '.p/collapse{trigger}',
      claude: 'Emulated via error handling',
      openai: 'Emulated via error handling',
      qwen: 'Emulated via error handling',
      gemini: 'Emulated via error handling',
      deepseek: 'Emulated via error handling'
    },
    paramSchema: {
      trigger: {
        type: 'string',
        description: 'What triggers the collapse',
        required: false
      },
      threshold: {
        type: 'number',
        description: 'Threshold for collapse',
        default: 0.5
      }
    }
  },
  
  attention: {
    name: 'attention',
    description: 'Control focus on specific content',
    implementations: {
      universal: '.p/attention{focus}',
      claude: 'Emulated via prompting',
      openai: 'Emulated via prompting',
      qwen: 'Emulated via prompting',
      gemini: 'Emulated via prompting',
      deepseek: 'Emulated via prompting'
    },
    paramSchema: {
      focus: {
        type: 'string',
        description: 'What to focus attention on',
        required: true
      },
      weight: {
        type: 'number',
        description: 'Weight of attention',
        default: 1.0
      }
    }
  },
  
  tool: {
    name: 'tool',
    description: 'Invoke tools or functions',
    implementations: {
      universal: '.p/tool{name, params}',
      claude: '<tool>name(params)</tool>',
      openai: 'function_call API',
      qwen: 'tool_use format',
      gemini: 'function_calling API',
      deepseek: 'function_calling API'
    },
    paramSchema: {
      name: {
        type: 'string',
        description: 'Tool name',
        required: true
      },
      params: {
        type: 'object',
        description: 'Tool parameters',
        required: false
      }
    }
  },
  
  system: {
    name: 'system',
    description: 'System-level directives',
    implementations: {
      universal: '.p/system{directive}',
      claude: '<s>directive</s>',
      openai: 'system message',
      qwen: '<<SYS>> directive',
      gemini: 'system instruction',
      deepseek: 'system instruction'
    },
    paramSchema: {
      directive: {
        type: 'string',
        description: 'System directive',
        required: true
      }
    }
  }
};

/**
 * Core Universal Symbolics Runtime
 * Provides a unified interface for symbolic operations across all vendors
 */
export class UniversalSymbolics {
  private adapter: SymbolicAdapter;
  private telemetry: SymbolicTelemetry;
  
  constructor(options: {
    vendor?: ModelVendor;
    apiKey?: string;
    endpoint?: string;
    enableTelemetry?: boolean;
  } = {}) {
    const vendor = options.vendor || 'claude';
    this.adapter = this.createAdapter(vendor, options);
    this.telemetry = new SymbolicTelemetry({
      enabled: options.enableTelemetry ?? true
    });
  }
  
  /**
   * Factory method for creating adapters
   */
  private createAdapter(vendor: ModelVendor, options: any): SymbolicAdapter {
    switch (vendor) {
      case 'claude':
        return new ClaudeAdapter(options);
      case 'openai':
        return new OpenAIAdapter(options);
      case 'qwen':
        return new QwenAdapter(options);
      case 'gemini':
        return new GeminiAdapter(options);
      case 'deepseek':
        return new DeepSeekAdapter(options);
      case 'local':
        return new LocalAdapter(options);
      default:
        throw new Error(`Unsupported vendor: ${vendor}`);
    }
  }
  
  /**
   * Change the vendor
   */
  setVendor(vendor: ModelVendor) {
    this.adapter = this.createAdapter(vendor, {
      apiKey: this.adapter.getApiKey(),
      endpoint: this.adapter.getEndpoint()
    });
  }
  
  /**
   * Execute a thinking operation
   */
  async think(content?: string, options: { trace?: boolean; depth?: number } = {}): Promise<ThinkResult> {
    this.telemetry.track('think');
    return this.adapter.executeThink(content, options);
  }
  
  /**
   * Execute a reflection operation
   */
  async reflect(target: string, options: { depth?: number } = {}): Promise<ReflectResult> {
    this.telemetry.track('reflect');
    return this.adapter.executeReflect(target, options);
  }
  
  /**
   * Execute a fork operation
   */
  async fork(paths: string[], options: { weights?: number[] } = {}): Promise<ForkResult> {
    this.telemetry.track('fork');
    return this.adapter.executeFork(paths, options);
  }
  
  /**
   * Execute a collapse operation
   */
  async collapse(options: { trigger?: string; threshold?: number } = {}): Promise<CollapseResult> {
    this.telemetry.track('collapse');
    return this.adapter.executeCollapse(options);
  }
  
  /**
   * Execute an attention operation
   */
  async attention(focus: string, options: { weight?: number } = {}): Promise<AttentionResult> {
    this.telemetry.track('attention');
    return this.adapter.executeAttention(focus, options);
  }
  
  /**
   * Execute a tool operation
   */
  async tool(name: string, params?: Record<string, any>): Promise<ToolResult> {
    this.telemetry.track('tool');
    return this.adapter.executeTool(name, params);
  }
  
  /**
   * Execute a system operation
   */
  async system(directive: string): Promise<SystemResult> {
    this.telemetry.track('system');
    return this.adapter.executeSystem(directive);
  }
  
  /**
   * Translate symbolic operations between vendors
   */
  translate(content: string, sourceVendor: ModelVendor, targetVendor: ModelVendor): string {
    this.telemetry.track('translate');
    
    // Create source adapter
    const sourceAdapter = this.createAdapter(sourceVendor, {});
    
    // Create target adapter
    const targetAdapter = this.createAdapter(targetVendor, {});
    
    // Parse source content
    const operations = sourceAdapter.parseSymbolicOperations(content);
    
    // Translate to target content
    return targetAdapter.generateSymbolicContent(operations);
  }
  
  /**
   * Detect symbolic residue in response
   */
  detectResidue(response: string, vendor?: ModelVendor): SymbolicResidue[] {
    const actualVendor = vendor || this.adapter.getVendor();
    
    return SymbolicResidueDetector.detect(response, actualVendor);
  }
  
  /**
   * Clean symbolic residue from response
   */
  cleanResidue(response: string, vendor?: ModelVendor): string {
    const actualVendor = vendor || this.adapter.getVendor();
    
    return SymbolicResidueDetector.clean(response, actualVendor);
  }
  
  /**
   * Get telemetry data
   */
  getTelemetry(): TelemetryData {
    return this.telemetry.getData();
  }
}

/**
 * Abstract base class for vendor-specific adapters
 */
abstract class SymbolicAdapter {
  protected apiKey?: string;
  protected endpoint?: string;
  
  constructor(options: { apiKey?: string; endpoint?: string }) {
    this.apiKey = options.apiKey;
    this.endpoint = options.endpoint;
  }
  
  abstract getVendor(): ModelVendor;
  
  getApiKey(): string | undefined {
    return this.apiKey;
  }
  
  getEndpoint(): string | undefined {
    return this.endpoint;
  }
  
  abstract executeThink(content?: string, options?: any): Promise<ThinkResult>;
  abstract executeReflect(target: string, options?: any): Promise<ReflectResult>;
  abstract executeFork(paths: string[], options?: any): Promise<ForkResult>;
  abstract executeCollapse(options?: any): Promise<CollapseResult>;
  abstract executeAttention(focus: string, options?: any): Promise<AttentionResult>;
  abstract executeTool(name: string, params?: Record<string, any>): Promise<ToolResult>;
  abstract executeSystem(directive: string): Promise<SystemResult>;
  
  abstract parseSymbolicOperations(content: string): SymbolicOperation[];
  abstract generateSymbolicContent(operations: SymbolicOperation[]): string;
}

/**
 * Claude-specific adapter
 */
class ClaudeAdapter extends SymbolicAdapter {
  getVendor(): ModelVendor {
    return 'claude';
  }
  
  async executeThink(content?: string, options: { trace?: boolean; depth?: number } = {}): Promise<ThinkResult> {
    // Implementation with Claude's <think> tags
    const thinking = content || '';
    const prompt = `<think>${thinking}</think>`;
    
    // Make API call to Claude
    const response = await this.callApi(prompt);
    
    return {
      thinking: this.extractThinking(response),
      output: this.extractOutput(response)
    };
  }
  
  async executeReflect(target: string, options: { depth?: number } = {}): Promise<ReflectResult> {
    // Implementation with Claude's <reflect> tags
    const prompt = `<reflect>${target}</reflect>`;
    
    // Make API call to Claude
    const response = await this.callApi(prompt);
    
    return {
      reflection: this.extractReflection(response),
      output: this.extractOutput(response)
    };
  }
  
  async executeFork(paths: string[], options: { weights?: number[] } = {}): Promise<ForkResult> {
    // Emulated implementation for Claude
    const pathPrompts = paths.map(path => `Path: ${path}`).join('\n\n');
    const prompt = `Consider the following paths:\n\n${pathPrompts}\n\nExplore each path and return the results.`;
    
    // Make API call to Claude
    const response = await this.callApi(prompt);
    
    // Parse response to extract results for each path
    const results: Record<string, string> = {};
    for (const path of paths) {
      results[path] = this.extractPathResult(response, path);
    }
    
    return {
      paths: results,
      selected: this.determineSelectedPath(response, paths)
    };
  }
  
  async executeCollapse(options: { trigger?: string; threshold?: number } = {}): Promise<CollapseResult> {
    // Emulated implementation for Claude
    const trigger = options.trigger || 'error';
    const prompt = `Handle the following error scenario: ${trigger}`;
    
    // Make API call to Claude
    const response = await this.callApi(prompt);
    
    return {
      handled: true,
      recovery: response
    };
  }
  
  async executeAttention(focus: string, options: { weight?: number } = {}): Promise<AttentionResult> {
    // Emulated implementation for Claude
    const weight = options.weight || 1.0;
    const prompt = `Focus specifically on: ${focus}`;
    
    // Make API call to Claude
    const response = await this.callApi(prompt);
    
    return {
      focused: true,
      result: response
    };
  }
  
  async executeTool(name: string, params?: Record<string, any>): Promise<ToolResult> {
    // Implementation with Claude's <tool> tags
    let paramsString = '';
    if (params) {
      paramsString = JSON.stringify(params);
    }
    
    const prompt = `<tool>${name}(${paramsString})</tool>`;
    
    // Make API call to Claude
    const response = await this.callApi(prompt);
    
    return {
      name,
      result: this.extractToolResult(response, name)
    };
  }
  
  async executeSystem(directive: string): Promise<SystemResult> {
    // Implementation with Claude's <s> tags
    const prompt = `<s>${directive}</s>`;
    
    // Make API call to Claude
    const response = await this.callApi(prompt);
    
    return {
      applied: true,
      result: response
    };
  }
  
  parseSymbolicOperations(content: string): SymbolicOperation[] {
    const operations: SymbolicOperation[] = [];
    
    // Parse <think> tags
    const thinkMatches = content.match(/<think>([\s\S]*?)<\/think>/g);
    if (thinkMatches) {
      for (const match of thinkMatches) {
        const thinkContent = match.replace(/<think>|<\/think>/g, '');
        operations.push({
          type: 'think',
          content: thinkContent
        });
      }
    }
    
    // Parse <reflect> tags
    const reflectMatches = content.match(/<reflect>([\s\S]*?)<\/reflect>/g);
    if (reflectMatches) {
      for (const match of reflectMatches) {
        const reflectContent = match.replace(/<reflect>|<\/reflect>/g, '');
        operations.push({
          type: 'reflect',
          target: reflectContent
        });
      }
    }
    
    // Parse <tool> tags
    const toolMatches = content.match(/<tool>([\s\S]*?)<\/tool>/g);
    if (toolMatches) {
      for (const match of toolMatches) {
        const toolContent = match.replace(/<tool>|<\/tool>/g, '');
        const nameMatch = toolContent.match(/^(\w+)/);
        if (nameMatch) {
          const name = nameMatch[1];
          const paramsMatch = toolContent.match(/\(([\s\S]*)\)/);
          let params: Record<string, any> | undefined;
          
          if (paramsMatch) {
            try {
              params = JSON.parse(paramsMatch[1]);
            } catch {
              params = { raw: paramsMatch[1] };
            }
          }
          
          operations.push({
            type: 'tool',
            name,
            params
          });
        }
      }
    }
    
    // Parse <s> tags
    const systemMatches = content.match(/<s>([\s\S]*?)<\/s>/g);
    if (systemMatches) {
      for (const match of systemMatches) {
        const systemContent = match.replace(/<s>|<\/s>/g, '');
        operations.push({
          type: 'system',
          directive: systemContent
        });
      }
    }
    
    return operations;
  }
  
  generateSymbolicContent(operations: SymbolicOperation[]): string {
    let content = '';
    
    for (const operation of operations) {
      switch (operation.type) {
        case 'think':
          content += `<think>${operation.content || ''}</think>\n`;
          break;
        case 'reflect':
          content += `<reflect>${operation.target}</reflect>\n`;
          break;
        case 'tool':
          const paramsString = operation.params ? JSON.stringify(operation.params) : '';
          content += `<tool>${operation.name}(${paramsString})</tool>\n`;
          break;
        case 'system':
          content += `<s>${operation.directive}</s>\n`;
          break;
        case