# Copyright (c) 2025 FuzzingLabs
#
# Licensed under the Business Source License 1.1 (BSL). See the LICENSE file
# at the root of this repository for details.
#
# After the Change Date (four years from publication), this version of the
# Licensed Work will be made available under the Apache License, Version 2.0.
# See the LICENSE-APACHE file or http://www.apache.org/licenses/LICENSE-2.0
#
# Additional attribution and requirements are provided in the NOTICE file.

import sys
from pathlib import Path
from typing import Dict, Any
import pytest

# Ensure project root is on sys.path so `src` is importable
ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

# Add toolbox to path for module imports
TOOLBOX = ROOT / "toolbox"
if str(TOOLBOX) not in sys.path:
    sys.path.insert(0, str(TOOLBOX))


# ============================================================================
# Workspace Fixtures
# ============================================================================

@pytest.fixture
def temp_workspace(tmp_path):
    """Create a temporary workspace directory for testing"""
    workspace = tmp_path / "workspace"
    workspace.mkdir()
    return workspace


@pytest.fixture
def python_test_workspace(temp_workspace):
    """Create a Python test workspace with sample files"""
    # Create a simple Python project structure
    (temp_workspace / "main.py").write_text("""
def process_data(data):
    # Intentional bug: no bounds checking
    return data[0:100]

def divide(a, b):
    # Division by zero vulnerability
    return a / b
""")

    (temp_workspace / "config.py").write_text("""
# Hardcoded secrets for testing
API_KEY = "sk_test_1234567890abcdef"
DATABASE_URL = "postgresql://admin:password123@localhost/db"
AWS_SECRET = "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
""")

    return temp_workspace


@pytest.fixture
def rust_test_workspace(temp_workspace):
    """Create a Rust test workspace with fuzz targets"""
    # Create Cargo.toml
    (temp_workspace / "Cargo.toml").write_text("""[package]
name = "test_project"
version = "0.1.0"
edition = "2021"

[dependencies]
""")

    # Create src/lib.rs
    src_dir = temp_workspace / "src"
    src_dir.mkdir()
    (src_dir / "lib.rs").write_text("""
pub fn process_buffer(data: &[u8]) -> Vec<u8> {
    if data.len() < 4 {
        return Vec::new();
    }

    // Vulnerability: bounds checking issue
    let size = data[0] as usize;
    let mut result = Vec::new();
    for i in 0..size {
        result.push(data[i]);
    }
    result
}
""")

    # Create fuzz directory structure
    fuzz_dir = temp_workspace / "fuzz"
    fuzz_dir.mkdir()

    (fuzz_dir / "Cargo.toml").write_text("""[package]
name = "test_project-fuzz"
version = "0.0.0"
edition = "2021"

[dependencies]
libfuzzer-sys = "0.4"

[dependencies.test_project]
path = ".."

[[bin]]
name = "fuzz_target_1"
path = "fuzz_targets/fuzz_target_1.rs"
""")

    fuzz_targets_dir = fuzz_dir / "fuzz_targets"
    fuzz_targets_dir.mkdir()

    (fuzz_targets_dir / "fuzz_target_1.rs").write_text("""#![no_main]
use libfuzzer_sys::fuzz_target;
use test_project::process_buffer;

fuzz_target!(|data: &[u8]| {
    let _ = process_buffer(data);
});
""")

    return temp_workspace


# ============================================================================
# Module Configuration Fixtures
# ============================================================================

@pytest.fixture
def atheris_config():
    """Default Atheris fuzzer configuration"""
    return {
        "target_file": "auto-discover",
        "max_iterations": 1000,
        "timeout_seconds": 10,
        "corpus_dir": None
    }


@pytest.fixture
def cargo_fuzz_config():
    """Default cargo-fuzz configuration"""
    return {
        "target_name": None,
        "max_iterations": 1000,
        "timeout_seconds": 10,
        "sanitizer": "address"
    }


@pytest.fixture
def gitleaks_config():
    """Default Gitleaks configuration"""
    return {
        "config_path": None,
        "scan_uncommitted": True
    }


@pytest.fixture
def file_scanner_config():
    """Default file scanner configuration"""
    return {
        "scan_patterns": ["*.py", "*.rs", "*.js"],
        "exclude_patterns": ["*.test.*", "*.spec.*"],
        "max_file_size": 1048576  # 1MB
    }


# ============================================================================
# Module Instance Fixtures
# ============================================================================

@pytest.fixture
def atheris_fuzzer():
    """Create an AtherisFuzzer instance"""
    from modules.fuzzer.atheris_fuzzer import AtherisFuzzer
    return AtherisFuzzer()


@pytest.fixture
def cargo_fuzzer():
    """Create a CargoFuzzer instance"""
    from modules.fuzzer.cargo_fuzzer import CargoFuzzer
    return CargoFuzzer()


@pytest.fixture
def file_scanner():
    """Create a FileScanner instance"""
    from modules.scanner.file_scanner import FileScanner
    return FileScanner()


# ============================================================================
# Mock Fixtures
# ============================================================================

@pytest.fixture
def mock_stats_callback():
    """Mock stats callback for fuzzing"""
    stats_received = []

    async def callback(stats: Dict[str, Any]):
        stats_received.append(stats)

    callback.stats_received = stats_received
    return callback


@pytest.fixture
def mock_temporal_context():
    """Mock Temporal activity context"""
    class MockActivityInfo:
        def __init__(self):
            self.workflow_id = "test-workflow-123"
            self.activity_id = "test-activity-1"
            self.attempt = 1

    class MockContext:
        def __init__(self):
            self.info = MockActivityInfo()

    return MockContext()