from typing import Dict, List

# tweet configuration
TWEET_MAX_LENGTH = 280
TWEET_TRUNCATION_SUFFIX = "..."
TWEET_TRUNCATION_LENGTH = TWEET_MAX_LENGTH - len(TWEET_TRUNCATION_SUFFIX)

# score configuration
MIN_SCORE = 1
MAX_SCORE = 9
DEFAULT_SCORE = 5

# file paths
CATEGORIES_FILE = "categories.json"
SETTINGS_FILE = "settings.json"
HISTORY_FILE = "input_history.json"

# history configuration
MAX_HISTORY_ITEMS = 50  # maximum number of historical inputs to store

# model configuration
DEFAULT_MODEL = "openrouter/anthropic/claude-sonnet-4.5"

AVAILABLE_MODELS: Dict[str, str] = {
    "Claude Sonnet 4.5": "openrouter/anthropic/claude-sonnet-4.5",
    "Opus 4.1": "openrouter/anthropic/claude-opus-4.1",
    "Gemini 2.5 Flash": "openrouter/google/gemini-2.5-flash",
    "Gemini 2.5 Flash Lite": "openrouter/google/gemini-2.5-flash-lite",
    "Gemini 2.5 Pro": "openrouter/google/gemini-2.5-pro",
    "GPT-5": "openrouter/openai/gpt-5",
}

# openrouter API configuration
OPENROUTER_API_BASE = "https://openrouter.ai/api/v1"
OPENROUTER_MAX_TOKENS = 4096
OPENROUTER_TEMPERATURE = 0.7

# optimization defaults
DEFAULT_ITERATIONS = 10
DEFAULT_PATIENCE = 5
DEFAULT_USE_CACHE = True

# default evaluation categories
DEFAULT_CATEGORIES: List[str] = [
    "Engagement potential - how likely users are to like, retweet, or reply",
    "Clarity and readability - how easy the tweet is to understand",
    "Emotional impact - how well the tweet evokes feelings or reactions",
    "Relevance to target audience - how well it resonates with intended readers",
]

# error messages
ERROR_PARSING = "Default evaluation due to parsing error"
ERROR_VALIDATION = "Default evaluation due to validation error"
ERROR_GENERATION = "Tweet generation failed"
ERROR_EVALUATION = "Tweet evaluation failed"
ERROR_DSPy_INIT = "DSPy initialization failed"
ERROR_NO_API_KEY = "OPENROUTER_API_KEY environment variable is required"
ERROR_SAVE_CATEGORIES = "Failed to save categories"
ERROR_LOAD_CATEGORIES = "Failed to load categories"
ERROR_SAVE_SETTINGS = "Failed to save settings"
ERROR_LOAD_SETTINGS = "Failed to load settings"
ERROR_SAVE_HISTORY = "Failed to save input history"
ERROR_LOAD_HISTORY = "Failed to load input history"

# cache configuration
CACHE_ENABLE_MEMORY = True
CACHE_ENABLE_DISK = True

# iteration display
ITERATION_SLEEP_TIME = 0.1  # seconds

# truncation display
CATEGORY_DISPLAY_MAX_LENGTH = 30
CATEGORY_DISPLAY_TRUNCATION = "..."
CATEGORY_IMPROVEMENT_MAX_LENGTH = 50