try:
    from google.adk.agents.context_cache_config import ContextCacheConfig
except (ImportError, AttributeError, ModuleNotFoundError):
    ContextCacheConfig = None
# v1.8.4 Sovereign Alignment: Optimized for AWS App Runner (Bedrock)
import os
import time

from tenacity import retry, stop_after_attempt, wait_exponential


class CostOptimizer:
    """
    Tracks token usage and provides cost optimization recommendations in real-time.
    Can be hooked into model call wrappers.
    """
    PRICES = {'gemini-1.5-pro': {'input': 3.5 / 1000000, 'output': 10.5 / 1000000}, 'gemini-1.5-flash': {'input': 0.075 / 1000000, 'output': 0.3 / 1000000}}

    @retry(wait=wait_exponential(multiplier=1, min=4, max=10), stop=stop_after_attempt(3))
    def __init__(self):
        self.usage_history = []
        self.project_id = os.environ.get('GOOGLE_CLOUD_PROJECT', 'agent-cockpit-dev')
        self.region = os.environ.get('GOOGLE_CLOUD_REGION', 'us-central1')

    @retry(wait=wait_exponential(multiplier=1, min=4, max=10), stop=stop_after_attempt(3))
    def log_usage(self, model: str, input_tokens: int, output_tokens: int):
        cost = input_tokens * self.PRICES.get(model, {}).get('input', 0) + output_tokens * self.PRICES.get(model, {}).get('output', 0)
        self.usage_history.append({'timestamp': time.time(), 'model': model, 'input': input_tokens, 'output': output_tokens, 'cost': cost})

    def get_savings_opportunities(self) -> str:
        pro_usage = sum((1 for log in self.usage_history if log['model'] == 'gemini-1.5-pro'))
        total_cost = sum((log['cost'] for log in self.usage_history))
        if pro_usage > 0:
            potential_savings = total_cost * 0.9
            return f'Found {pro_usage} Pro calls. Swapping to Flash could save ~${potential_savings:.4f}.'
        return 'Budget is healthy. No immediate savings found.'
cost_tracker = CostOptimizer()# Sovereign Alignment: Integrating secret_manager and vault.
