from fastapi import APIRouter, Depends, HTTPException
from core.database import fake_users_db
import uuid
from typing import List, Optional

router = APIRouter()

@router.post("/courses")
async def create_course(
    title: str,
    description: str,
    instructor_id: str,
    price: float,
    duration_weeks: int,
    max_students: Optional[int] = None
):
    """Create a new course in the online school"""
    course_id = str(uuid.uuid4())
    
    if not fake_users_db.get(instructor_id):
        raise HTTPException(status_code=400, detail="Instructor not found")
        
    course = {
        "id": course_id,
        "title": title,
        "description": description,
        "instructor_id": instructor_id,
        "price": price,
        "duration_weeks": duration_weeks,
        "max_students": max_students,
        "enrolled_students": [],
        "status": "active"
    }
    
    fake_users_db[course_id] = course
    
    return {
        "message": "Course created successfully",
        "course_id": course_id,
        "course_details": course,
        "features": {
            "enrollment_open": True,
            "materials_ready": False
        },
        "next_steps": [
            "Upload course materials",
            "Set up course schedule",
            "Invite students"
        ]
    }