import sys
import os
import subprocess
import time
import requests

# Add project root to sys.path so that 'from src.lyricflow_core...' works
project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
sys.path.insert(0, project_root)

from src.lyricflow_core.api.backend_bridge import BackendBridge

def test_bridge():
    # 1. Start backend
    backend_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'LyricFlow.Core.Backend', 'LyricFlow.Backend.Api'))
    print(f"Starting backend from {backend_path}...")
    
    # Ensure any existing backend on port 5000 is cleared (optional, but good for local dev)
    
    proc = subprocess.Popen(
        ["dotnet", "run", "--project", backend_path, "--urls", "http://localhost:5000"],
        stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL,
        creationflags=subprocess.CREATE_NO_WINDOW if os.name == 'nt' else 0
    )
    
    bridge = BackendBridge("http://localhost:5000")
    
    # Wait for backend to start
    print("Waiting for backend to start...")
    max_retries = 30
    success = False
    for i in range(max_retries):
        if bridge.is_alive():
            print(f"Backend is alive (attempt {i+1})!")
            success = True
            break
        time.sleep(1)
    
    if not success:
        print("Backend failed to start.")
        proc.terminate()
        return

    try:
        # 2. Test Snippets
        print("Testing snapshots...")
        test_file = "test_file_bridge.lmd"
        test_content = f"Hello from C# Bridge! {time.time()}"
        bridge.save_snapshot(test_file, test_content)
        
        time.sleep(0.5) # Give it a moment to commit
        snapshots = bridge.get_snapshots(test_file)
        print(f"Found {len(snapshots)} snapshots.")
        
        if snapshots and snapshots[0].get('content') == test_content:
            print("Snapshot test PASSED")
        else:
            print(f"Snapshot test FAILED. Expected: {test_content}, Got: {snapshots[0].get('content') if snapshots else 'None'}")

        # 3. Test Scratchpad
        print("Testing scratchpad...")
        project_id = "test_proj_bridge"
        scratch_content = "Some ideas in C# Bridge"
        bridge.save_scratchpad(project_id, scratch_content)
        
        time.sleep(0.5)
        retrieved = bridge.get_scratchpad(project_id)
        if retrieved == scratch_content:
            print("Scratchpad test PASSED")
        else:
            print(f"Scratchpad test FAILED (got: {retrieved})")

    finally:
        print("Terminating backend...")
        proc.terminate()

if __name__ == "__main__":
    test_bridge()