"""Integration tests for resource CLI commands

These tests require coordinator-api running and validate resource allocation,
utilization tracking, and API interactions with actual service calls.
"""

import pytest
import json
import httpx
from click.testing import CliRunner
from unittest.mock import Mock, patch, MagicMock
from aitbc_cli.commands.resource import resource
from aitbc import AITBCHTTPClient, NetworkError


@pytest.fixture
def runner():
    """Create CLI runner"""
    return CliRunner()


@pytest.fixture
def mock_config():
    """Mock configuration"""
    config = Mock()
    config.coordinator_url = "http://127.0.0.1:18000"
    config.api_key = "test_api_key"
    return config


@pytest.fixture
def mock_http_client():
    """Mock HTTP client for coordinator-api"""
    client = MagicMock(spec=AITBCHTTPClient)
    return client


class TestResourceCommands:
    """Integration tests for resource commands with coordinator-api"""

    @pytest.fixture
    def coordinator_available(self):
        """Skip test if coordinator-api is not running"""
        try:
            response = httpx.get("http://127.0.0.1:18000/health", timeout=2)
            if response.status_code == 200:
                return True
        except Exception:
            pytest.skip("coordinator-api not running at http://127.0.0.1:18000")

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_status_all(self, mock_http_client_class, mock_get_config, runner):
        """Test getting status of all resources"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.get.return_value = {
            "resources": [
                {"id": "res_1", "type": "gpu", "status": "allocated"},
                {"id": "res_2", "type": "cpu", "status": "available"}
            ]
        }
        
        result = runner.invoke(resource, [
            'status'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        mock_client.get.assert_called_once_with("/api/v1/resources/status")

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_status_specific(self, mock_http_client_class, mock_get_config, runner):
        """Test getting status of specific resource"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.get.return_value = {
            "id": "res_123",
            "type": "gpu",
            "status": "allocated",
            "efficiency": "85.5%"
        }
        
        result = runner.invoke(resource, [
            'status',
            '--resource-id', 'res_123'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        mock_client.get.assert_called_once_with("/api/v1/resources/res_123/status")

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_deallocate(self, mock_http_client_class, mock_get_config, runner):
        """Test deallocating a resource"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.post.return_value = {
            "resource_id": "res_123",
            "status": "deallocated",
            "timestamp": "2026-05-27T08:30:00Z"
        }
        
        result = runner.invoke(resource, [
            'deallocate', 'res_123'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        mock_client.post.assert_called_once_with("/api/v1/resources/res_123/deallocate")

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_deallocate_force(self, mock_http_client_class, mock_get_config, runner):
        """Test force deallocating a resource without confirmation"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.post.return_value = {
            "resource_id": "res_123",
            "status": "deallocated"
        }
        
        result = runner.invoke(resource, [
            'deallocate', 'res_123',
            '--force'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        mock_client.post.assert_called_once_with("/api/v1/resources/res_123/deallocate")

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_status_network_error(self, mock_http_client_class, mock_get_config, runner):
        """Test resource status with network error"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.get.side_effect = NetworkError("Connection refused")
        
        result = runner.invoke(resource, [
            'status'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code != 0
        assert "Network error" in result.output

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_deallocate_network_error(self, mock_http_client_class, mock_get_config, runner):
        """Test resource deallocation with network error"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.post.side_effect = NetworkError("Connection refused")
        
        result = runner.invoke(resource, [
            'deallocate', 'res_123'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code != 0
        assert "Network error" in result.output

    def test_resource_allocate_experimental_warning(self, runner, mock_config):
        """Test that allocate command shows experimental warning without --mock"""
        result = runner.invoke(resource, [
            'allocate',
            '--resource-type', 'gpu',
            '--quantity', '4'
        ], obj={'config': mock_config, 'output_format': 'table'})
        
        # Should fail with experimental warning
        assert result.exit_code != 0
        assert "EXPERIMENTAL" in result.output
        assert "--mock" in result.output

    def test_resource_list_experimental_warning(self, runner, mock_config):
        """Test that list command shows experimental warning without --mock"""
        result = runner.invoke(resource, [
            'list'
        ], obj={'config': mock_config, 'output_format': 'table'})
        
        # Should fail with experimental warning
        assert result.exit_code != 0
        assert "EXPERIMENTAL" in result.output
        assert "--mock" in result.output

    def test_resource_release_experimental_warning(self, runner, mock_config):
        """Test that release command shows experimental warning without --mock"""
        result = runner.invoke(resource, [
            'release', 'res_123'
        ], obj={'config': mock_config, 'output_format': 'table'})
        
        # Should fail with experimental warning
        assert result.exit_code != 0
        assert "EXPERIMENTAL" in result.output
        assert "--mock" in result.output

    def test_resource_utilization_experimental_warning(self, runner, mock_config):
        """Test that utilization command shows experimental warning without --mock"""
        result = runner.invoke(resource, [
            'utilization'
        ], obj={'config': mock_config, 'output_format': 'table'})
        
        # Should fail with experimental warning
        assert result.exit_code != 0
        assert "EXPERIMENTAL" in result.output
        assert "--mock" in result.output

    def test_resource_optimize_experimental_warning(self, runner, mock_config):
        """Test that optimize command shows experimental warning without --mock"""
        result = runner.invoke(resource, [
            'optimize'
        ], obj={'config': mock_config, 'output_format': 'table'})
        
        # Should fail with experimental warning
        assert result.exit_code != 0
        assert "EXPERIMENTAL" in result.output
        assert "--mock" in result.output

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_status_table_format(self, mock_http_client_class, mock_get_config, runner):
        """Test resource status in table format"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.get.return_value = {
            "resources": [
                {"id": "res_1", "type": "gpu", "status": "allocated"}
            ]
        }
        
        result = runner.invoke(resource, [
            'status'
        ], obj={'config': mock_config, 'output_format': 'table'})
        
        assert result.exit_code == 0
        assert "Resource Status" in result.output

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_deallocate_with_confirmation(self, mock_http_client_class, mock_get_config, runner):
        """Test resource deallocation with user confirmation"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.post.return_value = {
            "resource_id": "res_123",
            "status": "deallocated"
        }
        
        result = runner.invoke(resource, [
            'deallocate', 'res_123'
        ], obj={'config': mock_config, 'output_format': 'json'}, input='y\n')
        
        assert result.exit_code == 0
        mock_client.post.assert_called_once_with("/api/v1/resources/res_123/deallocate")

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_deallocate_cancelled(self, mock_http_client_class, mock_get_config, runner):
        """Test resource deallocation cancelled by user"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        
        result = runner.invoke(resource, [
            'deallocate', 'res_123'
        ], obj={'config': mock_config, 'output_format': 'json'}, input='n\n')
        
        assert result.exit_code == 0
        # Should not call post if cancelled
        mock_client.post.assert_not_called()

    @patch('aitbc_cli.commands.resource.get_config')
    @patch('aitbc_cli.commands.resource.AITBCHTTPClient')
    def test_resource_status_empty_response(self, mock_http_client_class, mock_get_config, runner):
        """Test resource status with empty response"""
        # Setup mocks
        mock_config = Mock()
        mock_config.coordinator_url = "http://127.0.0.1:18000"
        mock_get_config.return_value = mock_config
        
        mock_client = MagicMock()
        mock_http_client_class.return_value = mock_client
        mock_client.get.return_value = {}
        
        result = runner.invoke(resource, [
            'status'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        mock_client.get.assert_called_once_with("/api/v1/resources/status")

    def test_resource_status_with_coordinator_api(self, runner, mock_config, coordinator_available):
        """Test resource status with actual coordinator-api call"""
        result = runner.invoke(resource, [
            'status'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'resources' in data or isinstance(data, list)

    def test_resource_deallocate_with_coordinator_api(self, runner, mock_config, coordinator_available):
        """Test resource deallocation with actual coordinator-api call"""
        result = runner.invoke(resource, [
            'deallocate', 'test_res_123',
            '--force'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'resource_id' in data or 'status' in data

    def test_resource_allocate_with_mock(self, runner, mock_config):
        """Test resource allocation with mock flag"""
        result = runner.invoke(resource, [
            'allocate',
            '--resource-type', 'gpu',
            '--quantity', '4',
            '--mock'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'resource_id' in data or 'allocation_id' in data

    def test_resource_list_with_mock(self, runner, mock_config):
        """Test resource listing with mock flag"""
        result = runner.invoke(resource, [
            'list',
            '--mock'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'resources' in data or isinstance(data, list)

    def test_resource_release_with_mock(self, runner, mock_config):
        """Test resource release with mock flag"""
        result = runner.invoke(resource, [
            'release', 'test_res_123',
            '--mock'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'resource_id' in data or 'status' in data

    def test_resource_utilization_with_mock(self, runner, mock_config):
        """Test resource utilization with mock flag"""
        result = runner.invoke(resource, [
            'utilization',
            '--mock'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'utilization' in data or 'metrics' in data

    def test_resource_optimize_with_mock(self, runner, mock_config):
        """Test resource optimization with mock flag"""
        result = runner.invoke(resource, [
            'optimize',
            '--mock'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'optimization' in data or 'recommendations' in data

    def test_resource_allocate_with_parameters(self, runner, mock_config):
        """Test resource allocation with custom parameters"""
        result = runner.invoke(resource, [
            'allocate',
            '--resource-type', 'gpu',
            '--quantity', '8',
            '--min-memory', '32',
            '--mock'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        assert 'resource_id' in data or 'allocation_id' in data

    def test_resource_status_filter_by_type(self, runner, mock_config, coordinator_available):
        """Test resource status filtered by resource type"""
        result = runner.invoke(resource, [
            'status',
            '--resource-type', 'gpu'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        assert result.exit_code == 0
        data = json.loads(result.output)
        # Verify filtering was applied
        if 'resources' in data and isinstance(data['resources'], list):
            for res in data['resources']:
                assert res.get('type') == 'gpu' or 'type' not in res

    def test_resource_api_error_handling(self, runner, mock_config):
        """Test resource command handles coordinator-api errors gracefully"""
        # Use invalid coordinator URL to trigger error
        mock_config.coordinator_url = "http://invalid:9999"
        
        result = runner.invoke(resource, [
            'status'
        ], obj={'config': mock_config, 'output_format': 'json'})
        
        # Should either fail gracefully or skip with appropriate message
        assert result.exit_code != 0 or 'error' in result.output.lower() or 'unavailable' in result.output.lower()