# AutoSEO Engine - API Layer

from fastapi import FastAPI, HTTPException, Depends
from pydantic import BaseModel
from typing import Dict, List, Optional
from core.monetization import MonetizationEngine
from core.models import Task
import asyncio
import logging

logger = logging.getLogger(__name__)

app = FastAPI(title="AutoSEO Engine API", version="0.1.0")

# Global instance of monetization engine
monetization_engine = MonetizationEngine()

class CustomerCreateRequest(BaseModel):
    name: str
    tier: str  # starter, professional, enterprise

class TaskCreateRequest(BaseModel):
    agent: str
    task_type: str
    description: str
    priority: int = 1

@app.on_event('startup')
async def startup_event():
    """Initialize the monetization engine with sample data"""
    global monetization_engine
    await monetization_engine.add_customer({"name": "Acme Corp", "tier": "professional"})
    await monetization_engine.add_customer({"name": "Globex Inc", "tier": "enterprise"})
    await monetization_engine.add_customer({"name": "Wayne Enterprises", "tier": "starter"})
    logger.info("AutoSEO Engine API started")

@app.get("/")
async def root():
    return {"message": "Welcome to AutoSEO Engine API"}

@app.get("/stats")
async def get_system_stats():
    """Get overall system statistics"""
    dashboard_data = await monetization_engine.get_monetization_dashboard()
    return dashboard_data

@app.post("/customers")
async def create_customer(customer: CustomerCreateRequest):
    """Create a new customer"""
    customer_dict = customer.dict()
    await monetization_engine.add_customer(customer_dict)
    return {"message": f"Customer {customer.name} added successfully", "id": f"cust_{len(monetization_engine.customers)}"}

@app.get("/customers")
async def get_customers():
    """Get all customers"""
    return {"customers": monetization_engine.customers}

@app.get("/revenue/projection")
async def get_revenue_projection(months: int = 12):
    """Get revenue projection for the next N months"""
    projection = await monetization_engine.get_revenue_projection(months)
    return {"projection": projection}

@app.get("/revenue/dashboard")
async def get_revenue_dashboard():
    """Get comprehensive revenue dashboard"""
    dashboard = await monetization_engine.get_monetization_dashboard()
    return dashboard

@app.post("/tasks")
async def create_task(task: TaskCreateRequest):
    """Create a new task for an agent (placeholder - actual task execution would be more complex)"""
    # In a real implementation, this would add the task to the appropriate agent's queue
    task_obj = Task(
        type=task.task_type,
        description=task.description,
        priority=task.priority
    )
    return {
        "message": f"Task '{task.description}' created for agent {task.agent}",
        "task_id": task_obj.id,
        "status": "created"  # In real implementation, would be queued/running/completed
    }

@app.get("/tasks/{agent_name}")
async def get_agent_tasks(agent_name: str):
    """Get tasks for a specific agent (placeholder)"""
    # In a real implementation, this would fetch tasks from the agent's queue
    return {
        "agent": agent_name,
        "tasks": [],
        "message": "This endpoint would return actual tasks in a full implementation"
    }

@app.get("/health")
async def health_check():
    """Health check endpoint"""
    return {
        "status": "healthy",
        "monetization_engine_ready": True,
        "customers_count": len(monetization_engine.customers)
    }