"""
@router StorefrontRouter (Backend/app/api/v1/routers/StorefrontRouter.py)
@purpose Read-only public endpoints for footer info, store settings, mega menu, catalog filters,
         trust badges, blog posts, and product reviews — all backed by StorefrontCmsService.
"""
from fastapi import APIRouter, Depends, Query
from sqlalchemy.orm import Session
from typing import Any, Dict, List, Optional

from app.core.database.db_session import get_db
from app.services.StorefrontCmsService import StorefrontCmsService

router = APIRouter(prefix="/api/v1/storefront", tags=["Storefront Dynamic Services"])


@router.get("/footer-info")
def get_footer_info(db: Session = Depends(get_db)) -> Any:
    """Returns dynamic footer contact info, social links, navigation columns, and payment icons."""
    svc = StorefrontCmsService(db)
    return svc.get_footer_info()


@router.get("/settings")
def get_storefront_settings(db: Session = Depends(get_db)) -> Any:
    """Returns store branding settings (logo, wordmark, support phone, advance_percent, etc.)."""
    svc = StorefrontCmsService(db)
    return svc.get_settings()


@router.get("/mega-menu")
def get_mega_menu(
    nav_key: Optional[str] = Query(None, pattern="^(shop|deals|products)$"),
    db: Session = Depends(get_db),
) -> Any:
    """
    Returns mega-menu configuration.
    If nav_key is supplied returns single menu config.
    If omitted returns all three (shop, deals, products) in one payload.
    """
    svc = StorefrontCmsService(db)
    return svc.get_mega_menu(nav_key)


@router.get("/catalog-filters")
def get_catalog_filters(db: Session = Depends(get_db)) -> Any:
    """Returns highlight filter tabs and price range buckets for the shop catalog page."""
    svc = StorefrontCmsService(db)
    return svc.get_catalog_filters()


@router.get("/reviews/{product_id}")
def get_product_reviews(product_id: str, db: Session = Depends(get_db)) -> List[Any]:
    """Returns only approved customer reviews for a given product (live from DB)."""
    from app.services.StorefrontService import StorefrontService
    svc = StorefrontService(db)
    return svc.get_reviews(product_id)


@router.get("/trust-badges")
def get_trust_badges() -> List[Dict[str, Any]]:
    """Returns dynamic storefront trust badges."""
    return [
        {"id": "tb1", "title": "Free Shipping",          "subtitle": "On order over ₹1,000",      "icon": "truck"},
        {"id": "tb2", "title": "Flexible & Easy Return", "subtitle": "Return within 14 days",      "icon": "refresh"},
        {"id": "tb3", "title": "24/7 Support Services",  "subtitle": "Any Time Customer Support",  "icon": "headset"},
        {"id": "tb4", "title": "Secure payment",         "subtitle": "100% Fast & Secure Payment", "icon": "shield"},
    ]


@router.get("/blog-posts")
def get_blog_posts() -> List[Dict[str, Any]]:
    """Returns dynamic tech blog articles."""
    return [
        {"post_id": "bp1", "title": "How to Write a Blog Post Your Readers Will Love in 5 Steps",  "excerpt": "Why the world would end without travel coupons. The 16 worst...",                "author": "Admin",         "date": "July 24, 2026", "image_url": ""},
        {"post_id": "bp2", "title": "9 Content Marketing Trends and Ideas to Increase Traffic",     "excerpt": "Why do people think wholesale accessories are a good idea? Unbelievable...",   "author": "Technician",    "date": "July 22, 2026", "image_url": ""},
        {"post_id": "bp3", "title": "The Ultimate Guide to Marketing Strategies to Improve Sales",  "excerpt": "Many things about electronic devices your kids don't want you to...",           "author": "Store Manager", "date": "July 19, 2026", "image_url": ""},
        {"post_id": "bp4", "title": "50 Best Sales Questions to Determine Your Customer's Needs",   "excerpt": "The unconventional guide to the software applications...",                       "author": "Support Desk",  "date": "July 15, 2026", "image_url": ""},
    ]


@router.get("/banners")
def get_storefront_banners(db: Session = Depends(get_db)) -> List[Dict[str, Any]]:
    """Returns hero banners for the storefront homepage (BUG-04 fix)."""
    svc = StorefrontCmsService(db)
    banners = svc.get_content_by_region(page="home", region="hero", content_type="hero_banner")
    if banners:
        return [
            {
                "banner_id": b.content_id,
                "title": b.title,
                "subtitle": b.subtitle or "",
                "image_url": b.image_url or "",
                "button_text": b.button_text or "Shop Now",
                "button_url": b.button_url or "/shop"
            }
            for b in banners
        ]
    return [
        {
            "banner_id": "b1",
            "title": "Smartphone Repair & Spare Parts",
            "subtitle": "100% Genuine OEM Displays, Batteries & Accessories",
            "image_url": "/assets/hero-banner-1.webp",
            "button_text": "Explore Catalog",
            "button_url": "/shop"
        },
        {
            "banner_id": "b2",
            "title": "Fast Doorstep Repair Service",
            "subtitle": "Certified Engineers & 6-Month iFixKart Warranty",
            "image_url": "/assets/hero-banner-2.webp",
            "button_text": "Book Repair",
            "button_url": "/services"
        }
    ]