import pytest
import subprocess
import sys
import os
import json
from pathlib import Path

def test_cli_help():
    result = subprocess.run([sys.executable, "-m", "llm_agent_builder.cli", "--help"], capture_output=True, text=True)
    assert result.returncode == 0
    assert "LLM Agent Builder" in result.stdout

def test_cli_generate_agent(temp_output_dir):
    agent_name = "CLITestAgent"
    
    result = subprocess.run([
        sys.executable, "-m", "llm_agent_builder.cli", "generate",
        "--name", agent_name,
        "--output", temp_output_dir,
        "--model", "claude-3-5-sonnet-20241022",
        "--prompt", "Test prompt",
        "--task", "Test task"
    ], capture_output=True, text=True)
    
    assert result.returncode == 0
    assert f"Agent '{agent_name}' has been created" in result.stdout
    
    output_file = os.path.join(temp_output_dir, f"{agent_name.lower()}.py")
    assert os.path.exists(output_file)
    
    with open(output_file, "r") as f:
        content = f.read()
        assert f"class {agent_name}:" in content
        assert "claude-3-5-sonnet-20241022" in content

def test_cli_list_agents(temp_output_dir):
    # First create an agent
    agent_name = "ListTestAgent"
    subprocess.run([
        sys.executable, "-m", "llm_agent_builder.cli", "generate",
        "--name", agent_name,
        "--output", temp_output_dir,
        "--prompt", "Test",
        "--task", "Test"
    ], capture_output=True, text=True)
    
    # Then list agents
    result = subprocess.run([
        sys.executable, "-m", "llm_agent_builder.cli", "list",
        "--output", temp_output_dir
    ], capture_output=True, text=True)
    
    assert result.returncode == 0
    assert agent_name.lower() in result.stdout.lower()

def test_cli_batch_generate(temp_output_dir):
    # Create a batch config file
    config = [
        {
            "name": "BatchAgent1",
            "prompt": "Test prompt 1",
            "task": "Test task 1",
            "model": "claude-3-5-sonnet-20241022",
            "provider": "anthropic"
        },
        {
            "name": "BatchAgent2",
            "prompt": "Test prompt 2",
            "task": "Test task 2",
            "model": "claude-3-5-sonnet-20241022",
            "provider": "anthropic"
        }
    ]
    
    config_file = os.path.join(temp_output_dir, "batch_config.json")
    with open(config_file, "w") as f:
        json.dump(config, f)
    
    result = subprocess.run([
        sys.executable, "-m", "llm_agent_builder.cli", "batch",
        config_file,
        "--output", temp_output_dir
    ], capture_output=True, text=True)
    
    assert result.returncode == 0
    assert "BatchAgent1" in result.stdout
    assert "BatchAgent2" in result.stdout
    
    # Verify files were created
    assert os.path.exists(os.path.join(temp_output_dir, "batchagent1.py"))
    assert os.path.exists(os.path.join(temp_output_dir, "batchagent2.py"))

def test_cli_invalid_agent_name():
    result = subprocess.run([
        sys.executable, "-m", "llm_agent_builder.cli", "generate",
        "--name", "Invalid Name!",
        "--prompt", "Test",
        "--task", "Test"
    ], capture_output=True, text=True)
    
    assert result.returncode != 0
    assert "Error" in result.stdout or "Error" in result.stderr