from fastapi import APIRouter, HTTPException, Depends, Query
from app.models import ChatbotPublicResponse, MarketplaceResponse, RatingCreate
from app.database import get_supabase
from app.dependencies import get_optional_user, get_current_user
from typing import Optional
import logging

logger = logging.getLogger(__name__)
router = APIRouter(prefix="/marketplace", tags=["Marketplace"])

# ═══════════════════════════════════════════════════════════════════════════════
# CATEGORIES & INDUSTRIES — Expanded to support all business types:
# Individuals, small businesses (restaurants, barbershops, malls, phone shops),
# and large enterprises.
# ═══════════════════════════════════════════════════════════════════════════════

CATEGORIES = [
    # What the chatbot does
    "Customer Support",
    "Sales Assistant",
    "FAQ & Knowledge Base",
    "Appointment Booking",
    "Order & Delivery Tracking",
    "Product Recommendations",
    "Lead Generation",
    "Onboarding & Training",
    "Feedback & Surveys",
    "Personal Assistant",
    "Consultation",
    "Other",
]

INDUSTRIES = [
    # Small businesses / Local services
    "Restaurant & Food",
    "Beauty & Barbershop",
    "Retail & Shopping",
    "Phone & Electronics",
    "Automotive & Repair",
    "Fitness & Wellness",
    "Cleaning & Home Services",
    "Photography & Events",
    # Professional services
    "Healthcare & Medical",
    "Legal & Law",
    "Finance & Insurance",
    "Real Estate",
    "Accounting & Tax",
    # Tech & Digital
    "Technology & SaaS",
    "E-commerce",
    "Agency & Marketing",
    # Education & Non-profit
    "Education & Training",
    "Non-profit & NGO",
    # Large scale
    "Hospitality & Hotels",
    "Travel & Tourism",
    "Manufacturing",
    "Logistics & Transport",
    "Agriculture",
    "Government",
    # Personal
    "Personal Brand",
    "Freelancer & Consultant",
    "Other",
]


@router.get("/chatbots", response_model=MarketplaceResponse)
async def list_marketplace_chatbots(
    category: Optional[str] = Query(None),
    industry: Optional[str] = Query(None),
    language: Optional[str] = Query(None),
    search: Optional[str] = Query(None),
    page: int = Query(1, ge=1),
    limit: int = Query(20, ge=1, le=100),
    user=Depends(get_optional_user),
):
    supabase = get_supabase()

    query = supabase.table("chatbots").select(
        "*, companies(name, logo_url)"
    ).eq("is_published", True).eq("visibility", "published")

    if category:
        query = query.eq("category", category)
    if industry:
        query = query.eq("industry", industry)
    if search:
        query = query.ilike("name", f"%{search}%")

    offset = (page - 1) * limit
    result = query.order("created_at", desc=True).range(offset, offset + limit - 1).execute()
    all_result = supabase.table("chatbots").select("id", count="exact").eq("is_published", True).execute()
    total = all_result.count or 0

    chatbots = []
    for c in (result.data or []):
        company_data = c.get("companies") or {}
        chatbots.append(
            ChatbotPublicResponse(
                id=c["id"],
                name=c["name"],
                description=c.get("description"),
                category=c.get("category"),
                industry=c.get("industry"),
                languages=c.get("languages", ["en"]),
                primary_color=c.get("primary_color", "#6366f1"),
                welcome_message=c.get("welcome_message", "Hello!"),
                logo_url=c.get("logo_url"),
                average_rating=c.get("average_rating"),
                total_conversations=c.get("total_conversations", 0),
                company_name=company_data.get("name"),
                company_logo=company_data.get("logo_url"),
                created_at=c.get("created_at"),
                published_at=c.get("published_at"),
            )
        )

    return MarketplaceResponse(
        chatbots=chatbots,
        total=total,
        page=page,
        limit=limit,
        has_more=(offset + limit < total),
    )


@router.get("/chatbots/{chatbot_id}", response_model=ChatbotPublicResponse)
async def get_marketplace_chatbot(chatbot_id: str, user=Depends(get_optional_user)):
    supabase = get_supabase()

    result = supabase.table("chatbots").select(
        "*, companies(name, logo_url)"
    ).eq("id", chatbot_id).eq("is_published", True).execute()

    if not result.data:
        raise HTTPException(status_code=404, detail="Chatbot not found")

    c = result.data[0]
    company_data = c.get("companies") or {}

    conv_count = supabase.table("conversations").select("id", count="exact") \
        .eq("chatbot_id", chatbot_id).execute()

    return ChatbotPublicResponse(
        id=c["id"],
        name=c["name"],
        description=c.get("description"),
        category=c.get("category"),
        industry=c.get("industry"),
        languages=c.get("languages", ["en"]),
        primary_color=c.get("primary_color", "#6366f1"),
        welcome_message=c.get("welcome_message", "Hello!"),
        logo_url=c.get("logo_url"),
        average_rating=c.get("average_rating"),
        total_conversations=conv_count.count or 0,
        company_name=company_data.get("name"),
        company_logo=company_data.get("logo_url"),
        created_at=c.get("created_at"),
        published_at=c.get("published_at"),
    )


@router.get("/categories")
async def get_categories():
    return {"categories": CATEGORIES, "industries": INDUSTRIES}


@router.post("/chatbots/{chatbot_id}/rate")
async def rate_chatbot(
    chatbot_id: str,
    rating: RatingCreate,
    user=Depends(get_current_user),
):
    supabase = get_supabase()
    chatbot = supabase.table("chatbots").select("id, average_rating").eq("id", chatbot_id).eq("is_published", True).execute()
    if not chatbot.data:
        raise HTTPException(status_code=404, detail="Chatbot not found")

    # Simple rating update (average)
    current = chatbot.data[0].get("average_rating") or rating.rating
    new_avg = (current + rating.rating) / 2

    supabase.table("chatbots").update({"average_rating": round(new_avg, 1)}).eq("id", chatbot_id).execute()
    return {"message": "Rating submitted", "new_average": round(new_avg, 1)}