import * as plugins from './plugins.js';
import * as interfaces from './smartagent.interfaces.js';
import { BaseToolWrapper } from './smartagent.tools.base.js';

/**
 * HTTP tool for making web requests
 * Wraps @push.rocks/smartrequest
 */
export class HttpTool extends BaseToolWrapper {
  public name = 'http';
  public description = 'Make HTTP requests to web APIs and services';

  public actions: interfaces.IToolAction[] = [
    {
      name: 'get',
      description: 'Make a GET request',
      parameters: {
        type: 'object',
        properties: {
          url: { type: 'string', description: 'URL to request' },
          headers: { type: 'object', description: 'Request headers (key-value pairs)' },
          query: { type: 'object', description: 'Query parameters (key-value pairs)' },
          timeout: { type: 'number', description: 'Timeout in milliseconds' },
        },
        required: ['url'],
      },
    },
    {
      name: 'post',
      description: 'Make a POST request with JSON body',
      parameters: {
        type: 'object',
        properties: {
          url: { type: 'string', description: 'URL to request' },
          body: { type: 'object', description: 'JSON body to send' },
          headers: { type: 'object', description: 'Request headers (key-value pairs)' },
          query: { type: 'object', description: 'Query parameters (key-value pairs)' },
          timeout: { type: 'number', description: 'Timeout in milliseconds' },
        },
        required: ['url'],
      },
    },
    {
      name: 'put',
      description: 'Make a PUT request with JSON body',
      parameters: {
        type: 'object',
        properties: {
          url: { type: 'string', description: 'URL to request' },
          body: { type: 'object', description: 'JSON body to send' },
          headers: { type: 'object', description: 'Request headers (key-value pairs)' },
          timeout: { type: 'number', description: 'Timeout in milliseconds' },
        },
        required: ['url', 'body'],
      },
    },
    {
      name: 'patch',
      description: 'Make a PATCH request with JSON body',
      parameters: {
        type: 'object',
        properties: {
          url: { type: 'string', description: 'URL to request' },
          body: { type: 'object', description: 'JSON body to send' },
          headers: { type: 'object', description: 'Request headers (key-value pairs)' },
          timeout: { type: 'number', description: 'Timeout in milliseconds' },
        },
        required: ['url', 'body'],
      },
    },
    {
      name: 'delete',
      description: 'Make a DELETE request',
      parameters: {
        type: 'object',
        properties: {
          url: { type: 'string', description: 'URL to request' },
          headers: { type: 'object', description: 'Request headers (key-value pairs)' },
          timeout: { type: 'number', description: 'Timeout in milliseconds' },
        },
        required: ['url'],
      },
    },
  ];

  public async initialize(): Promise<void> {
    // SmartRequest is stateless, no initialization needed
    this.isInitialized = true;
  }

  public async cleanup(): Promise<void> {
    this.isInitialized = false;
  }

  public async execute(
    action: string,
    params: Record<string, unknown>
  ): Promise<interfaces.IToolExecutionResult> {
    this.validateAction(action);
    this.ensureInitialized();

    try {
      let request = plugins.smartrequest.SmartRequest.create().url(params.url as string);

      // Add headers
      if (params.headers && typeof params.headers === 'object') {
        for (const [key, value] of Object.entries(params.headers as Record<string, string>)) {
          request = request.header(key, value);
        }
      }

      // Add query parameters
      if (params.query && typeof params.query === 'object') {
        request = request.query(params.query as Record<string, string>);
      }

      // Add timeout
      if (params.timeout) {
        request = request.timeout(params.timeout as number);
      }

      // Add JSON body for POST, PUT, PATCH
      if (params.body && ['post', 'put', 'patch'].includes(action)) {
        request = request.json(params.body);
      }

      // Execute the request
      let response;
      switch (action) {
        case 'get':
          response = await request.get();
          break;
        case 'post':
          response = await request.post();
          break;
        case 'put':
          response = await request.put();
          break;
        case 'patch':
          response = await request.patch();
          break;
        case 'delete':
          response = await request.delete();
          break;
        default:
          return { success: false, error: `Unknown action: ${action}` };
      }

      // Parse response body
      let body: unknown;
      const contentType = response.headers?.['content-type'] || '';

      try {
        if (contentType.includes('application/json')) {
          body = await response.json();
        } else {
          body = await response.text();
        }
      } catch {
        body = null;
      }

      return {
        success: response.ok,
        result: {
          url: params.url,
          method: action.toUpperCase(),
          status: response.status,
          statusText: response.statusText,
          ok: response.ok,
          headers: response.headers,
          body,
        },
      };
    } catch (error) {
      return {
        success: false,
        error: error instanceof Error ? error.message : String(error),
      };
    }
  }

  public getCallSummary(action: string, params: Record<string, unknown>): string {
    const method = action.toUpperCase();
    let summary = `${method} request to "${params.url}"`;

    if (params.query && Object.keys(params.query as object).length > 0) {
      const queryStr = JSON.stringify(params.query);
      summary += ` with query: ${queryStr.length > 50 ? queryStr.substring(0, 50) + '...' : queryStr}`;
    }

    if (params.body) {
      const bodyStr = JSON.stringify(params.body);
      const preview = bodyStr.length > 100 ? bodyStr.substring(0, 100) + '...' : bodyStr;
      summary += ` with body: ${preview}`;
    }

    if (params.headers && Object.keys(params.headers as object).length > 0) {
      const headerKeys = Object.keys(params.headers as object).join(', ');
      summary += ` with headers: [${headerKeys}]`;
    }

    return summary;
  }
}