from typing import Annotated

# Import from vendor-specific modules
from .local import get_YFin_data, get_finnhub_news, get_finnhub_company_insider_sentiment, get_finnhub_company_insider_transactions, get_simfin_balance_sheet, get_simfin_cashflow, get_simfin_income_statements, get_reddit_global_news, get_reddit_company_news
from .yahoo_finance import get_YFin_data_online, get_stock_stats_indicators_window
from .google import get_google_news
from .openai import get_stock_news_openai, get_global_news_openai, get_fundamentals_openai
from .alpha_vantage import (
    get_stock as get_alpha_vantage_stock,
    get_indicator as get_alpha_vantage_indicator,
    get_fundamentals as get_alpha_vantage_fundamentals,
    get_balance_sheet as get_alpha_vantage_balance_sheet,
    get_cashflow as get_alpha_vantage_cashflow,
    get_income_statement as get_alpha_vantage_income_statement,
    get_insider_transactions as get_alpha_vantage_insider_transactions,
    get_news as get_alpha_vantage_news
)

# Configuration and routing logic
from .config import get_config

# Tools organized by category
TOOLS_CATEGORIES = {
    "core_stock_apis": {
        "description": "OHLCV stock price data",
        "tools": [
            "get_stock_data"
        ]
    },
    "technical_indicators": {
        "description": "Technical analysis indicators",
        "tools": [
            "get_indicators"
        ]
    },
    "fundamental_data": {
        "description": "Company fundamentals",
        "tools": [
            "get_fundamentals",
            "get_balance_sheet",
            "get_cashflow",
            "get_income_statement"
        ]
    },
    "news_data": {
        "description": "News (public/insiders, original/processed)",
        "tools": [
            "get_news",
            "get_global_news",
            "get_insider_sentiment",
            "get_insider_transactions",
        ]
    }
}

VENDOR_LIST = [
    "local",
    "yahoo_finance",
    "openai",
    "google"
]

# Mapping of methods to their vendor-specific implementations
VENDOR_METHODS = {
    # core_stock_apis
    "get_stock_data": {
        "alpha_vantage": get_alpha_vantage_stock,
        "yahoo_finance": get_YFin_data_online,
        "local": get_YFin_data,
    },
    # technical_indicators
    "get_indicators": {
        "alpha_vantage": get_alpha_vantage_indicator,
        "yahoo_finance": get_stock_stats_indicators_window,
        "local": get_stock_stats_indicators_window
    },
    # fundamental_data
    "get_fundamentals": {
        "alpha_vantage": get_alpha_vantage_fundamentals,
        "openai": get_fundamentals_openai,
    },
    "get_balance_sheet": {
        "alpha_vantage": get_alpha_vantage_balance_sheet,
        "local": get_simfin_balance_sheet,
    },
    "get_cashflow": {
        "alpha_vantage": get_alpha_vantage_cashflow,
        "local": get_simfin_cashflow,
    },
    "get_income_statement": {
        "alpha_vantage": get_alpha_vantage_income_statement,
        "local": get_simfin_income_statements,
    },
    # news_data
    "get_news": {
        "alpha_vantage": get_alpha_vantage_news,
        "openai": get_stock_news_openai,
        "google": get_google_news,
        "local": [get_finnhub_news, get_reddit_company_news, get_google_news],
    },
    "get_global_news": {
        "openai": get_global_news_openai,
        "local": get_reddit_global_news
    },
    "get_insider_sentiment": {
        "local": get_finnhub_company_insider_sentiment
    },
    "get_insider_transactions": {
        "alpha_vantage": get_alpha_vantage_insider_transactions,
        "local": get_finnhub_company_insider_transactions,
    },
}

def get_category_for_method(method: str) -> str:
    """Get the category that contains the specified method."""
    for category, info in TOOLS_CATEGORIES.items():
        if method in info["tools"]:
            return category
    raise ValueError(f"Method '{method}' not found in any category")

def get_vendor(category: str, method: str = None) -> str:
    """Get the configured vendor for a data category or specific tool method.
    Tool-level configuration takes precedence over category-level.
    """
    config = get_config()

    # Check tool-level configuration first (if method provided)
    if method:
        tool_vendors = config.get("tool_vendors", {})
        if method in tool_vendors:
            return tool_vendors[method]

    # Fall back to category-level configuration
    return config.get("data_vendors", {}).get(category, "default")

def route_to_vender(method: str, *args, **kwargs):
    """Route method calls to appropriate vendor implementation."""
    category = get_category_for_method(method)
    vendor_config = get_vendor(category, method)

    # Handle comma-separated vendors
    vendors = [v.strip() for v in vendor_config.split(',')]

    if method not in VENDOR_METHODS:
        raise ValueError(f"Method '{method}' not supported")

    # Collect all methods to run
    methods_to_run = []

    for vendor in vendors:
        if vendor not in VENDOR_METHODS[method]:
            print(f"Info: Vendor '{vendor}' not supported for method '{method}', ignoring")
            continue

        vendor_impl = VENDOR_METHODS[method][vendor]

        # Handle list of methods for a vendor
        if isinstance(vendor_impl, list):
            methods_to_run.extend(vendor_impl)
        else:
            # Single method implementation
            methods_to_run.append(vendor_impl)

    # Run all methods and collect results
    results = []
    for impl_func in methods_to_run:
        try:
            result = impl_func(*args, **kwargs)
            results.append(result)
        except Exception as e:
            # Log error but continue with other implementations
            print(f"Warning: {impl_func.__name__} failed: {e}")

    # Return single result if only one, otherwise concatenate as string
    if len(results) == 1:
        return results[0]
    else:
        # Convert all results to strings and concatenate
        return '\n'.join(str(result) for result in results)