#!/usr/bin/env python3
"""
Import all cocktails from TheCocktailDB into Bar Assistant

Requirements:
    pip install requests

Usage:
    python import-cocktaildb-to-bar-assistant-v2.py
"""

import requests
import time
import json
import re
from typing import Dict, List, Optional, Tuple

# Configuration
BAR_ASSISTANT_URL = "https://cocktails.nianticbooks.com"
BAR_ASSISTANT_API = f"{BAR_ASSISTANT_URL}/bar/api"
COCKTAILDB_API = "https://www.thecocktaildb.com/api/json/v1/1"

BAR_ASSISTANT_TOKEN = "3|dqtZPWZoKdU59fFRLkGrL83I9HKm9EqmLCgO4kkI96199a82"
BAR_ID = 1

# Cache for ingredients
ingredient_cache = {}


def parse_amount(measure_str: str) -> Tuple[Optional[float], str]:
    """Parse amount string like '2 oz' into (2.0, 'oz')"""
    if not measure_str or not measure_str.strip():
        return (None, "")

    measure_str = measure_str.strip()

    # Try to extract number and unit
    # Handles: "2 oz", "1/2 oz", "1.5 oz", "2", etc.
    match = re.match(r'^([\d./\s]+)\s*(.*)$', measure_str)

    if match:
        amount_str = match.group(1).strip()
        unit = match.group(2).strip()

        # Handle fractions like "1/2" or "1 1/2"
        try:
            # Split on spaces to handle mixed fractions
            parts = amount_str.split()
            total = 0.0

            for part in parts:
                if '/' in part:
                    # Handle fraction
                    num, denom = part.split('/')
                    total += float(num) / float(denom)
                else:
                    # Handle whole number or decimal
                    total += float(part)

            return (total, unit if unit else "oz")
        except:
            pass

    # If we can't parse, return None
    return (None, "")


def get_or_create_ingredient(name: str, headers: Dict) -> Optional[int]:
    """Get ingredient ID by name, or create if it doesn't exist"""

    # Check cache first
    name_lower = name.lower().strip()
    if name_lower in ingredient_cache:
        return ingredient_cache[name_lower]

    # Search for ingredient
    url = f"{BAR_ASSISTANT_API}/ingredients"
    params = {"filter[name]": name}

    try:
        response = requests.get(url, params=params, headers=headers, timeout=10)
        response.raise_for_status()
        data = response.json()

        # Check if we found a match
        if data.get('data') and len(data['data']) > 0:
            for ingredient in data['data']:
                if ingredient['name'].lower() == name_lower:
                    ingredient_id = ingredient['id']
                    ingredient_cache[name_lower] = ingredient_id
                    return ingredient_id

        # Ingredient not found, create it
        print(f"      Creating new ingredient: {name}")
        create_data = {
            "name": name,
            "strength": 0,
            "description": f"Imported from TheCocktailDB"
        }

        response = requests.post(url, json=create_data, headers=headers, timeout=10)
        response.raise_for_status()
        ingredient_id = response.json()['data']['id']
        ingredient_cache[name_lower] = ingredient_id
        return ingredient_id

    except Exception as e:
        print(f"      [!] Error with ingredient '{name}': {e}")
        return None


def get_all_cocktails_from_cocktaildb() -> List[Dict]:
    """Fetch all cocktails from TheCocktailDB"""
    print("Fetching all cocktails from TheCocktailDB...")
    all_cocktails = []

    letters = 'abcdefghijklmnopqrstuvwxyz0123456789'

    for letter in letters:
        print(f"  Fetching cocktails starting with '{letter}'...")
        url = f"{COCKTAILDB_API}/search.php?f={letter}"

        try:
            response = requests.get(url, timeout=10)
            response.raise_for_status()
            data = response.json()

            if data.get('drinks'):
                cocktails = data['drinks']
                all_cocktails.extend(cocktails)
                print(f"    Found {len(cocktails)} cocktails")

            time.sleep(0.5)

        except Exception as e:
            print(f"    Error fetching '{letter}': {e}")
            continue

    print(f"\n[OK] Total cocktails found: {len(all_cocktails)}")
    return all_cocktails


def convert_cocktail_ingredients(cocktail: Dict, headers: Dict) -> List[Dict]:
    """Extract and convert ingredients from TheCocktailDB format"""
    ingredients = []

    for i in range(1, 16):
        ingredient_key = f"strIngredient{i}"
        measure_key = f"strMeasure{i}"

        ingredient_name = cocktail.get(ingredient_key)
        measure = cocktail.get(measure_key, "")

        if ingredient_name and ingredient_name.strip():
            # Get or create the ingredient
            ingredient_id = get_or_create_ingredient(ingredient_name.strip(), headers)

            if ingredient_id:
                # Parse the amount
                amount, units = parse_amount(measure)

                ingredients.append({
                    "sort": i,  # Add sort field for ingredient order
                    "ingredient_id": ingredient_id,
                    "amount": amount if amount is not None else 0,
                    "units": units if units else "oz",  # Default to "oz" if no unit specified
                    "optional": False
                })

    return ingredients


def import_cocktail(cocktail: Dict, headers: Dict) -> bool:
    """Import a single cocktail into Bar Assistant"""

    # Convert ingredients first
    ingredients = convert_cocktail_ingredients(cocktail, headers)

    if not ingredients:
        print(f"    [!] No valid ingredients found")
        return False

    # Build cocktail data
    cocktail_data = {
        "name": cocktail.get('strDrink', 'Unknown'),
        "instructions": cocktail.get('strInstructions', ''),
        "description": f"Imported from TheCocktailDB. Category: {cocktail.get('strCategory', 'N/A')}. {cocktail.get('strAlcoholic', '')}",
        "source": f"TheCocktailDB (ID: {cocktail.get('idDrink')})",
        "garnish": cocktail.get('strGarnish', ''),
        "glass": cocktail.get('strGlass', ''),
        "ingredients": ingredients
        # Note: Images are not imported - Bar Assistant expects image IDs, not URLs
    }

    # Add tags
    tags = []
    if cocktail.get('strCategory'):
        tags.append(cocktail['strCategory'])
    if cocktail.get('strAlcoholic'):
        tags.append(cocktail['strAlcoholic'])
    if cocktail.get('strIBA'):
        tags.append(cocktail['strIBA'])

    if tags:
        cocktail_data['tags'] = tags

    # Import
    url = f"{BAR_ASSISTANT_API}/cocktails"

    try:
        response = requests.post(url, json=cocktail_data, headers=headers, timeout=30)
        response.raise_for_status()
        return True
    except requests.exceptions.HTTPError as e:
        if e.response.status_code == 409:
            print(f"    [!] Already exists")
            return False
        elif e.response.status_code == 422:
            print(f"    [X] Validation error: {e.response.text[:200]}")
            return False
        else:
            print(f"    [X] HTTP Error {e.response.status_code}")
            return False
    except Exception as e:
        print(f"    [X] Error: {e}")
        return False


def main():
    """Main execution"""
    print("="*60)
    print("TheCocktailDB -> Bar Assistant Bulk Import")
    print("="*60)

    # Set up headers
    headers = {
        "Authorization": f"Bearer {BAR_ASSISTANT_TOKEN}",
        "Content-Type": "application/json",
        "Accept": "application/json",
        "Bar-Assistant-Bar-Id": str(BAR_ID)
    }

    # Step 1: Fetch all cocktails from TheCocktailDB
    cocktails = get_all_cocktails_from_cocktaildb()

    if not cocktails:
        print("\n[ERROR] No cocktails found from TheCocktailDB")
        return

    # Step 2: Import
    print(f"\nImporting {len(cocktails)} cocktails to Bar Assistant...")
    print("This may take a while...\n")

    success_count = 0
    skip_count = 0
    error_count = 0

    for idx, cocktail in enumerate(cocktails, 1):
        cocktail_name = cocktail.get('strDrink', 'Unknown')
        print(f"[{idx}/{len(cocktails)}] {cocktail_name}...")

        if import_cocktail(cocktail, headers):
            success_count += 1
            print(f"    [OK] Imported successfully")
        else:
            skip_count += 1

        time.sleep(0.5)

    # Summary
    print("\n" + "="*60)
    print("Import Complete!")
    print("="*60)
    print(f"[OK] Successfully imported: {success_count}")
    print(f"[!] Skipped (duplicates/errors): {skip_count}")
    print(f"\nTotal processed: {len(cocktails)}")
    print(f"\nView your cocktails at: {BAR_ASSISTANT_URL}")


if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        print("\n\n[!] Import cancelled by user")
    except Exception as e:
        print(f"\n\n[ERROR] Error: {e}")