"""
AmkyawDev Coder Backend - FastAPI Application Entry Point
"""
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from contextlib import asynccontextmanager
import sys
import os

# Add parent directory to path
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from src.api.agents.skill.router import router as skill_router
from src.api.agents.longchain.router import router as long_chain_router
from src.api.agents.script.router import router as script_router
from src.api.agents.chat.router import router as chat_router
from src.api.systems.zip_system.router import router as zip_router
from src.api.systems.deploy_system.router import router as deploy_router
from src.api.systems.memory_system.router import router as memory_router
from src.config.settings import settings


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan events"""
    print("Starting AmkyawDev Coder Backend...")
    print(f"Environment: {settings.ENVIRONMENT}")
    yield
    print("Shutting down AmkyawDev Coder Backend...")


app = FastAPI(
    title="AmkyawDev Coder Backend",
    description="AI-Powered Development Platform Backend",
    version="1.0.0",
    lifespan=lifespan,
)

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

# Include Routers
app.include_router(skill_router, prefix="/api/agents/skill", tags=["Skill Agent"])
app.include_router(long_chain_router, prefix="/api/agents/long-chain", tags=["Long Chain Agent"])
app.include_router(script_router, prefix="/api/agents/script", tags=["Script Agent"])
app.include_router(chat_router, prefix="/api/agents/chat", tags=["Chat Agent"])
app.include_router(zip_router, prefix="/api/systems/zip", tags=["Zip System"])
app.include_router(deploy_router, prefix="/api/systems/deploy", tags=["Deploy System"])
app.include_router(memory_router, prefix="/api/systems/memory", tags=["Memory System"])


@app.get("/")
async def root():
    """Health check endpoint"""
    return {
        "status": "healthy",
        "service": "AmkyawDev Coder Backend",
        "version": "1.0.0"
    }


@app.get("/api/health")
async def health_check():
    """Detailed health check"""
    return {
        "status": "healthy",
        "environment": settings.ENVIRONMENT,
        "groq_configured": bool(settings.GROQ_API_KEY),
        "hf_configured": bool(settings.HUGGINGFACE_API_KEY),
    }


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(
        "src.app:app",
        host="0.0.0.0",
        port=7860,
        reload=settings.ENVIRONMENT == "development"
    )