from flask import Blueprint, render_template, abort, request
from app.services.helpers import (
    FEATURED_PRODUCTS,
    get_products_by_filter,
    get_product,
    get_related_products,
    get_product_filter_options,
)

shop_bp = Blueprint("shop", __name__)


@shop_bp.route("/shop/")
def hub():
    q = (request.args.get("q") or "").strip()
    level = (request.args.get("level") or "").strip()
    category = (request.args.get("category") or "").strip()

    products = get_products_by_filter(
        filter_slug=None,
        q=q or None,
        level=level or None,
        category=category or None,
    )

    return render_template(
        "shop/hub.html",
        title="Shop Teaching Resources | EFL by Level",
        meta_description="Shop CEFR teaching resources, IELTS packs, worksheets, games, and bundles.",
        products=products,
        filter_options=get_product_filter_options(),
        current_filters={
            "q": q,
            "level": level,
            "category": category,
        },
    )


@shop_bp.route("/shop/<filter_slug>/")
def category(filter_slug):
    q = (request.args.get("q") or "").strip()
    level = (request.args.get("level") or "").strip()
    category_value = (request.args.get("category") or "").strip()

    products = get_products_by_filter(
        filter_slug=filter_slug,
        q=q or None,
        level=level or None,
        category=category_value or None,
    )

    return render_template(
        "shop/category.html",
        title=f"Shop {filter_slug.replace('-', ' ').title()} | EFL by Level",
        meta_description="Browse filtered teaching resources.",
        filter_slug=filter_slug,
        products=products,
        filter_options=get_product_filter_options(),
        current_filters={
            "q": q,
            "level": level,
            "category": category_value,
        },
    )


@shop_bp.route("/product/<slug>/")
def product(slug):
    item = get_product(slug)
    if not item:
        abort(404)

    related_products = get_related_products(
        current_slug=item["slug"],
        category=item.get("category"),
        limit=3,
    )

    return render_template(
        "shop/product.html",
        title=f"{item['title']} | EFL by Level",
        meta_description=item["description"],
        product=item,
        related_products=related_products,
    )


@shop_bp.route("/membership/")
@shop_bp.route("/membership")
def membership():
    return render_template(
        "shop/membership.html",
        title="Teacher Membership | EFL by Level",
        meta_description="Join the teacher membership for monthly resources and discounts.",
    )