"""
Constants and configuration values for Medical Transcriber application.

Centralizes all magic numbers, strings, colors, and paths.
"""

from pathlib import Path
from enum import Enum

# ============================================================================
# PROJECT PATHS
# ============================================================================
PROJECT_ROOT = Path(__file__).parent.parent
RESULTS_DIR = PROJECT_ROOT / "results"
REPORTS_DIR = RESULTS_DIR / "reports"
LOGS_DIR = PROJECT_ROOT / "logs"

# ============================================================================
# UI COLORS (RGB HEX)
# ============================================================================
class UIColors:
    """UI color palette."""
    PRIMARY_GREEN = "#4CAF50"
    HOVER_GREEN = "#45a049"
    DISABLED_GRAY = "#cccccc"
    TEXT_DARK = "#333333"
    TEXT_LIGHT = "#f5f5f5"
    BORDER_GRAY = "#cccccc"
    SUCCESS_GREEN = "#4CAF50"
    ERROR_RED = "#f44336"
    WARNING_ORANGE = "#ff9800"
    INFO_BLUE = "#2196F3"


# ============================================================================
# UI DIMENSIONS (PIXELS)
# ============================================================================
class UIDimensions:
    """UI dimension constants."""
    MAIN_WINDOW_WIDTH = 1200
    MAIN_WINDOW_HEIGHT = 800
    DIALOG_WIDTH = 500
    DIALOG_HEIGHT = 400
    MIN_RESULTS_HEIGHT = 200
    BUTTON_PADDING = 10
    BORDER_RADIUS = 5
    GROUP_BOX_MARGIN_TOP = 10
    GROUP_BOX_PADDING = 10


# ============================================================================
# FONTS
# ============================================================================
class FontConfig:
    """Font configuration."""
    DEFAULT_FONT = "Times New Roman"
    DEFAULT_SIZE = 12
    HEADING_SIZE = 14
    TITLE_SIZE = 14
    MONOSPACE_FONT = "Courier New"


# ============================================================================
# AUDIO FORMATS
# ============================================================================
class AudioFormats:
    """Supported audio formats."""
    SUPPORTED_EXTENSIONS = [".wav", ".mp3", ".m4a", ".flac", ".ogg"]
    FILE_DIALOG_FILTER = "Audio Files (*.wav *.mp3 *.m4a);;All Files (*)"


# ============================================================================
# MODEL CONFIGURATIONS
# ============================================================================
class ModelDefaults:
    """Default model configurations."""
    WHISPER_DEVICE = "auto"
    WHISPER_DTYPE = "float32"
    WHISPER_LANGUAGE = "russian"
    OPENAI_MODEL = "gpt-4o"
    OPENROUTER_MODEL = "google/gemini-3-flash-preview"
    TEMPERATURE = 0.1
    MAX_TOKENS = 4000


# ============================================================================
# API SETTINGS
# ============================================================================
class APISettings:
    """API configuration settings."""
    OPENROUTER_BASE_URL = "https://openrouter.ai/api/v1"
    API_TIMEOUT = 120
    MAX_RETRIES = 3
    RETRY_DELAY = 2
    RATE_LIMIT_DELAY = 5


# ============================================================================
# LOGGING
# ============================================================================
class LoggingConfig:
    """Logging configuration."""
    LOG_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    LOG_DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
    LOG_LEVEL = "INFO"
    LOG_FILE_FORMAT = "transcription_{timestamp}.log"


# ============================================================================
# MESSAGES
# ============================================================================
class Messages:
    """UI message strings."""
    # Errors
    ERROR_NO_AUDIO_FILE = "Пожалуйста, выберите аудиофайл!"
    ERROR_FILE_NOT_FOUND = "Файл не найден"
    ERROR_NO_PATIENT_DATA = "Для создания отчёта необходимо заполнить данные пациента!"
    ERROR_INVALID_CONFIG = "Ошибка при создании конфига"
    ERROR_TRANSCRIPTION_FAILED = "Ошибка обработки"
    ERROR_API_KEY_REQUIRED = "OpenRouter API ключ не найден"
    
    # Warnings
    WARNING_TITLE = "Внимание"
    
    # Success
    SUCCESS_TITLE = "Успешно"
    SUCCESS_TRANSCRIPTION = "Транскрибирование завершено!"
    SUCCESS_SETTINGS_SAVED = "Настройки сохранены!"
    
    # Status
    STATUS_READY = "Готов к обработке"
    STATUS_INITIALIZING = "Инициализация пайплайна..."
    STATUS_TRANSCRIBING = "Запуск транскрибирования..."
    STATUS_COMPLETED = "Обработка завершена!"
    STATUS_PATIENT_NOT_FILLED = "Данные пациента не заполнены"
    STATUS_PATIENT_FILLED = "Пациент: "
    
    # Buttons
    BTN_START = "▶ Начать транскрибирование"
    BTN_CLEAR = "🗑 Очистить результаты"
    BTN_BROWSE = "Обзор..."
    BTN_SAVE = "💾 Сохранить настройки"
    BTN_OK = "OK"
    BTN_CANCEL = "Отмена"
    
    # Tabs
    TAB_TRANSCRIPTION = "Транскрибирование"
    TAB_SETTINGS = "Настройки"
    
    # Groups
    GROUP_AUDIO_FILE = "1. Выбор аудиофайла"
    GROUP_PATIENT_DATA = "2. Данные пациента"
    GROUP_OPTIONS = "3. Опции обработки"
    GROUP_STATUS = "4. Статус обработки"
    GROUP_RESULTS = "5. Результаты"
    GROUP_WHISPER_MODEL = "Модель Whisper"
    GROUP_OPENROUTER_API = "OpenRouter API (для LLM-коррекции)"
    GROUP_MEDICAL_TERMS = "База медицинских терминов"


# ============================================================================
# DATA VALIDATION
# ============================================================================
class ValidationRules:
    """Data validation rules."""
    MIN_AUDIO_DURATION = 0.1  # seconds
    MAX_AUDIO_DURATION = 3600  # seconds (1 hour)
    MIN_TEXT_LENGTH = 10  # characters
    MAX_TEXT_LENGTH = 1000000  # characters


# ============================================================================
# FILE OPERATIONS
# ============================================================================
class FileDefaults:
    """File operation defaults."""
    TIMESTAMP_FORMAT = "%Y%m%d_%H%M%S"
    JSON_INDENT = 2
    ENCODING = "utf-8"
    FILE_PERMISSIONS = 0o644


# ============================================================================
# PLACEHOLDERS
# ============================================================================
class Placeholders:
    """UI placeholder text."""
    AUDIO_FILE_NOT_SELECTED = "Аудиофайл не выбран"
    PATIENT_NAME = "Фамилия Имя Отчество"
    PATIENT_DOB = "ДД.MM.YYYY"
    STUDY_AREA = "Область исследования (напр. МРТ головы)"
    STUDY_NUMBER = "Номер исследования"
    STUDY_DATE = "ДД.MM.YYYY"
    DOCTOR_NAME = "ФИО врача"
    API_KEY = "Введите ваш API ключ OpenRouter"
    RESULTS_PLACEHOLDER = "Результаты обработки появятся здесь"
    MODEL_PATH = "Путь к папке с моделью Whisper"
    TERMS_FILE = "Путь к файлу с медицинскими терминами"


# ============================================================================
# REPORT TEMPLATES
# ============================================================================
class ReportDefaults:
    """Report generation defaults."""
    DOCUMENT_TITLE = "Магнитно-резонансная томография"
    DEFAULT_FONT_NAME = "Times New Roman"
    DEFAULT_FONT_SIZE = 12
    HEADING_FONT_SIZE = 14


class ProcessingSteps(Enum):
    """Pipeline processing steps."""
    INITIALIZATION = "initialization"
    STT = "stt"
    KNOWLEDGE_BASE = "knowledge_base"
    CORRECTION = "llm_correction"
    REPORT_GENERATION = "report_generation"
    COMPLETION = "completion"