from fastapi import FastAPI, Depends, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
import uvicorn
from typing import Dict, Any
import logging

# Import routers
from .routers import (
    document_router,
    rag_router,
    agent_router,
    prompt_router
)

# Security
security = HTTPBearer()

# Create FastAPI app
app = FastAPI(
    title="Lattice API",
    description="API for Lattice AI Development Platform",
    version="1.0.0"
)

# Add CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Authentication dependency
async def verify_token(credentials: HTTPAuthorizationCredentials = Depends(security)):
    try:
        # Add your token verification logic here
        token = credentials.credentials
        # Verify token...
        return token
    except Exception as e:
        raise HTTPException(
            status_code=401,
            detail="Invalid authentication credentials"
        )

# Include routers
app.include_router(
    document_router.router,
    prefix="/api/v1/document",
    tags=["Document Processing"],
    dependencies=[Depends(verify_token)]
)

app.include_router(
    rag_router.router,
    prefix="/api/v1/rag",
    tags=["RAG"],
    dependencies=[Depends(verify_token)]
)

app.include_router(
    agent_router.router,
    prefix="/api/v1/agent",
    tags=["Agents"],
    dependencies=[Depends(verify_token)]
)

app.include_router(
    prompt_router.router,
    prefix="/api/v1/prompt",
    tags=["Prompts"],
    dependencies=[Depends(verify_token)]
)

@app.get("/health")
async def health_check():
    """Health check endpoint"""
    return {
        "status": "healthy",
        "version": "1.0.0"
    }

@app.get("/components")
async def list_components():
    """List available components and their capabilities"""
    return {
        "components": [
            {
                "name": "document",
                "version": "1.0.0",
                "status": "available"
            },
            {
                "name": "rag",
                "version": "1.0.0",
                "status": "available"
            },
            {
                "name": "agent",
                "version": "1.0.0",
                "status": "available"
            },
            {
                "name": "prompt",
                "version": "1.0.0",
                "status": "available"
            }
        ]
    }

if __name__ == "__main__":
    uvicorn.run(app, host="0.0.0.0", port=8000)