from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from ..services.admin_coupon_service import (
    create_coupon_service,
    get_coupons_service,
    issue_coupon_service,
    delete_coupon_service
)

router = APIRouter()

class CouponCreateRequest(BaseModel):
    token: str
    coupon_code: str
    discount_type: str
    discount_amount: float
    min_order_amount: float = None
    valid_from: str
    valid_to: str
    quantity: int

class CouponIssueRequest(BaseModel):
    token: str
    coupon_id: int
    user_id: int

@router.post("/coupons/create")
def create_coupon(request: CouponCreateRequest):
    return create_coupon_service(
        token=request.token,
        coupon_code=request.coupon_code,
        discount_type=request.discount_type,
        discount_amount=request.discount_amount,
        min_order_amount=request.min_order_amount,
        valid_from=request.valid_from,
        valid_to=request.valid_to,
        quantity=request.quantity
    )

@router.get("/coupons")
def get_coupons(token: str):
    return get_coupons_service(token)

@router.post("/coupons/issue")
def issue_coupon(request: CouponIssueRequest):
    return issue_coupon_service(
        token=request.token,
        coupon_id=request.coupon_id,
        user_id=request.user_id
    )

@router.delete("/coupons/{coupon_id}")
def delete_coupon(coupon_id: int, token: str):
    return delete_coupon_service(token, coupon_id)