import Anthropic from '@anthropic-ai/sdk';
import { tools, runTool } from './tools';

const client = new Anthropic();
const messages = [{ role: 'user', content: 'The price test is failing, fix it' }];

while (true) {
  const response = await client.messages.create({
    model: 'claude-sonnet-5-5',
    max_tokens: 8000,
    system: 'You are a coding agent. Use the tools to read, run and change code.',
    tools,
    messages,
  });
  messages.push({ role: 'assistant', content: response.content });

  // No tool call means the model has its answer
  if (response.stop_reason !== 'tool_use') break;

  const results = [];
  for (const block of response.content) {
    if (block.type !== 'tool_use') continue;
    const output = await runTool(block.name, block.input);
    results.push({ type: 'tool_result', tool_use_id: block.id, content: output });
  }
  messages.push({ role: 'user', content: results });
}

{
  "name": "Edit",
  "description": "Replace old_string with new_string in a file. old_string must appear in the file exactly once.",
  "input_schema": {
    "type": "object",
    "properties": {
      "file_path": { "type": "string" },
      "old_string": { "type": "string" },
      "new_string": { "type": "string" }
    },
    "required": ["file_path", "old_string", "new_string"]
  }
}