# app/api/v1/shop/pages.py
"""
Shop/Customer HTML page routes using Jinja2 templates.

These routes serve the public-facing shop interface for customers.
Authentication required only for account pages.

Routes:
- GET /shop/                      → Shop homepage / product catalog
- GET /shop/products              → Product catalog
- GET /shop/products/{id}         → Product detail page
- GET /shop/categories/{slug}     → Category products
- GET /shop/cart                  → Shopping cart
- GET /shop/checkout              → Checkout process
- GET /shop/account/register      → Customer registration
- GET /shop/account/login         → Customer login
- GET /shop/account/dashboard     → Customer dashboard (auth required)
- GET /shop/account/orders        → Order history (auth required)
- GET /shop/account/orders/{id}   → Order detail (auth required)
- GET /shop/account/profile       → Customer profile (auth required)
- GET /shop/account/addresses     → Address management (auth required)
"""

from fastapi import APIRouter, Request, Depends, Path
from fastapi.responses import HTMLResponse, RedirectResponse
from fastapi.templating import Jinja2Templates
from sqlalchemy.orm import Session

from app.api.deps import get_current_customer_user, get_db
from models.database.user import User

router = APIRouter()
templates = Jinja2Templates(directory="app/templates")


# ============================================================================
# PUBLIC SHOP ROUTES (No Authentication Required)
# ============================================================================

@router.get("/shop/", response_class=HTMLResponse, include_in_schema=False)
@router.get("/shop/products", response_class=HTMLResponse, include_in_schema=False)
async def shop_products_page(request: Request):
    """
    Render shop homepage / product catalog.
    Shows featured products and categories.
    """
    return templates.TemplateResponse(
        "shop/products.html",
        {
            "request": request,
        }
    )


@router.get("/shop/products/{product_id}", response_class=HTMLResponse, include_in_schema=False)
async def shop_product_detail_page(
    request: Request,
    product_id: int = Path(..., description="Product ID")
):
    """
    Render product detail page.
    Shows product information, images, reviews, and buy options.
    """
    return templates.TemplateResponse(
        "shop/product.html",
        {
            "request": request,
            "product_id": product_id,
        }
    )


@router.get("/shop/categories/{category_slug}", response_class=HTMLResponse, include_in_schema=False)
async def shop_category_page(
    request: Request,
    category_slug: str = Path(..., description="Category slug")
):
    """
    Render category products page.
    Shows all products in a specific category.
    """
    return templates.TemplateResponse(
        "shop/category.html",
        {
            "request": request,
            "category_slug": category_slug,
        }
    )


@router.get("/shop/cart", response_class=HTMLResponse, include_in_schema=False)
async def shop_cart_page(request: Request):
    """
    Render shopping cart page.
    Shows cart items and allows quantity updates.
    """
    return templates.TemplateResponse(
        "shop/cart.html",
        {
            "request": request,
        }
    )


@router.get("/shop/checkout", response_class=HTMLResponse, include_in_schema=False)
async def shop_checkout_page(request: Request):
    """
    Render checkout page.
    Handles shipping, payment, and order confirmation.
    """
    return templates.TemplateResponse(
        "shop/checkout.html",
        {
            "request": request,
        }
    )


@router.get("/shop/search", response_class=HTMLResponse, include_in_schema=False)
async def shop_search_page(request: Request):
    """
    Render search results page.
    Shows products matching search query.
    """
    return templates.TemplateResponse(
        "shop/search.html",
        {
            "request": request,
        }
    )


# ============================================================================
# CUSTOMER ACCOUNT - PUBLIC ROUTES (No Authentication)
# ============================================================================

@router.get("/shop/account/register", response_class=HTMLResponse, include_in_schema=False)
async def shop_register_page(request: Request):
    """
    Render customer registration page.
    No authentication required.
    """
    return templates.TemplateResponse(
        "shop/account/register.html",
        {
            "request": request,
        }
    )


@router.get("/shop/account/login", response_class=HTMLResponse, include_in_schema=False)
async def shop_login_page(request: Request):
    """
    Render customer login page.
    No authentication required.
    """
    return templates.TemplateResponse(
        "shop/account/login.html",
        {
            "request": request,
        }
    )


@router.get("/shop/account/forgot-password", response_class=HTMLResponse, include_in_schema=False)
async def shop_forgot_password_page(request: Request):
    """
    Render forgot password page.
    Allows customers to reset their password.
    """
    return templates.TemplateResponse(
        "shop/account/forgot-password.html",
        {
            "request": request,
        }
    )


# ============================================================================
# CUSTOMER ACCOUNT - AUTHENTICATED ROUTES
# ============================================================================

@router.get("/shop/account/", response_class=RedirectResponse, include_in_schema=False)
async def shop_account_root():
    """
    Redirect /shop/account/ to dashboard.
    """
    return RedirectResponse(url="/shop/account/dashboard", status_code=302)


@router.get("/shop/account/dashboard", response_class=HTMLResponse, include_in_schema=False)
async def shop_account_dashboard_page(
    request: Request,
    current_user: User = Depends(get_current_customer_user),
    db: Session = Depends(get_db)
):
    """
    Render customer account dashboard.
    Shows account overview, recent orders, and quick links.
    Requires customer authentication.
    """
    return templates.TemplateResponse(
        "shop/account/dashboard.html",
        {
            "request": request,
            "user": current_user,
        }
    )


@router.get("/shop/account/orders", response_class=HTMLResponse, include_in_schema=False)
async def shop_orders_page(
    request: Request,
    current_user: User = Depends(get_current_customer_user),
    db: Session = Depends(get_db)
):
    """
    Render customer orders history page.
    Shows all past and current orders.
    Requires customer authentication.
    """
    return templates.TemplateResponse(
        "shop/account/orders.html",
        {
            "request": request,
            "user": current_user,
        }
    )


@router.get("/shop/account/orders/{order_id}", response_class=HTMLResponse, include_in_schema=False)
async def shop_order_detail_page(
    request: Request,
    order_id: int = Path(..., description="Order ID"),
    current_user: User = Depends(get_current_customer_user),
    db: Session = Depends(get_db)
):
    """
    Render customer order detail page.
    Shows detailed order information and tracking.
    Requires customer authentication.
    """
    return templates.TemplateResponse(
        "shop/account/order-detail.html",
        {
            "request": request,
            "user": current_user,
            "order_id": order_id,
        }
    )


@router.get("/shop/account/profile", response_class=HTMLResponse, include_in_schema=False)
async def shop_profile_page(
    request: Request,
    current_user: User = Depends(get_current_customer_user),
    db: Session = Depends(get_db)
):
    """
    Render customer profile page.
    Edit personal information and preferences.
    Requires customer authentication.
    """
    return templates.TemplateResponse(
        "shop/account/profile.html",
        {
            "request": request,
            "user": current_user,
        }
    )


@router.get("/shop/account/addresses", response_class=HTMLResponse, include_in_schema=False)
async def shop_addresses_page(
    request: Request,
    current_user: User = Depends(get_current_customer_user),
    db: Session = Depends(get_db)
):
    """
    Render customer addresses management page.
    Manage shipping and billing addresses.
    Requires customer authentication.
    """
    return templates.TemplateResponse(
        "shop/account/addresses.html",
        {
            "request": request,
            "user": current_user,
        }
    )


@router.get("/shop/account/wishlist", response_class=HTMLResponse, include_in_schema=False)
async def shop_wishlist_page(
    request: Request,
    current_user: User = Depends(get_current_customer_user),
    db: Session = Depends(get_db)
):
    """
    Render customer wishlist page.
    View and manage saved products.
    Requires customer authentication.
    """
    return templates.TemplateResponse(
        "shop/account/wishlist.html",
        {
            "request": request,
            "user": current_user,
        }
    )


@router.get("/shop/account/settings", response_class=HTMLResponse, include_in_schema=False)
async def shop_settings_page(
    request: Request,
    current_user: User = Depends(get_current_customer_user),
    db: Session = Depends(get_db)
):
    """
    Render customer account settings page.
    Configure notifications, privacy, and preferences.
    Requires customer authentication.
    """
    return templates.TemplateResponse(
        "shop/account/settings.html",
        {
            "request": request,
            "user": current_user,
        }
    )


# ============================================================================
# STATIC CONTENT PAGES
# ============================================================================

@router.get("/shop/about", response_class=HTMLResponse, include_in_schema=False)
async def shop_about_page(request: Request):
    """
    Render about us page.
    """
    return templates.TemplateResponse(
        "shop/about.html",
        {
            "request": request,
        }
    )


@router.get("/shop/contact", response_class=HTMLResponse, include_in_schema=False)
async def shop_contact_page(request: Request):
    """
    Render contact us page.
    """
    return templates.TemplateResponse(
        "shop/contact.html",
        {
            "request": request,
        }
    )


@router.get("/shop/faq", response_class=HTMLResponse, include_in_schema=False)
async def shop_faq_page(request: Request):
    """
    Render FAQ page.
    """
    return templates.TemplateResponse(
        "shop/faq.html",
        {
            "request": request,
        }
    )


@router.get("/shop/privacy", response_class=HTMLResponse, include_in_schema=False)
async def shop_privacy_page(request: Request):
    """
    Render privacy policy page.
    """
    return templates.TemplateResponse(
        "shop/privacy.html",
        {
            "request": request,
        }
    )


@router.get("/shop/terms", response_class=HTMLResponse, include_in_schema=False)
async def shop_terms_page(request: Request):
    """
    Render terms and conditions page.
    """
    return templates.TemplateResponse(
        "shop/terms.html",
        {
            "request": request,
        }
    )