"""
Модель данных проекта для сохранения/загрузки в JSON
"""

from typing import List, Dict, Optional
from dataclasses import dataclass, asdict
from datetime import datetime
import json


@dataclass
class ReagentData:
    """Данные реагента"""
    name: str
    percentage: float
    unit: str
    conversion_factor: float
    dilution_factor: float
    
    def to_dict(self) -> Dict:
        return asdict(self)
    
    @classmethod
    def from_dict(cls, data: Dict) -> 'ReagentData':
        return cls(
            name=data['name'],
            percentage=data['percentage'],
            unit=data['unit'],
            conversion_factor=data.get('conversion_factor', 1.0),
            dilution_factor=data.get('dilution_factor', 1.0)
        )


@dataclass
class FactorData:
    """Данные фактора эксперимента"""
    name: str
    center: float
    low: float
    high: float
    step: float
    step_type: str
    unit: str
    percentage: Optional[float] = None
    dilution_factor: Optional[float] = None
    
    def to_dict(self) -> Dict:
        d = asdict(self)
        # Удаляем None значения
        return {k: v for k, v in d.items() if v is not None}
    
    @classmethod
    def from_dict(cls, data: Dict) -> 'FactorData':
        return cls(
            name=data['name'],
            center=data['center'],
            low=data['low'],
            high=data['high'],
            step=data.get('step', 0),
            step_type=data.get('step_type', 'абс'),
            unit=data.get('unit', ''),
            percentage=data.get('percentage'),
            dilution_factor=data.get('dilution_factor')
        )


@dataclass
class ResponseData:
    """Данные отклика эксперимента"""
    name: str
    unit: str
    
    def to_dict(self) -> Dict:
        return asdict(self)
    
    @classmethod
    def from_dict(cls, data: Dict) -> 'ResponseData':
        return cls(
            name=data['name'],
            unit=data.get('unit', '')
        )


@dataclass
class ExperimentResultsData:
    """Результаты эксперимента"""
    design: List[Dict]  # План эксперимента
    results: List[List[float]]  # Результаты измерений
    responses: List[ResponseData]  # Отклики
    
    def to_dict(self) -> Dict:
        return {
            'design': self.design,
            'results': self.results,
            'responses': [r.to_dict() for r in self.responses]
        }
    
    @classmethod
    def from_dict(cls, data: Dict) -> 'ExperimentResultsData':
        return cls(
            design=data['design'],
            results=data['results'],
            responses=[ResponseData.from_dict(r) for r in data['responses']]
        )


@dataclass
class ProjectData:
    """Полные данные проекта"""
    # Информация о проекте
    project_name: str
    created_at: str
    modified_at: str
    version: str = "1.0"
    
    # Данные калькулятора сред
    medium_total_volume: float = 1000.0
    medium_volume_unit: str = "мл"
    medium_solvent: str = "Вода"
    medium_reagents: List[ReagentData] = None
    
    # Данные эксперимента
    experiment_factors: List[FactorData] = None
    experiment_responses: List[ResponseData] = None
    experiment_center_points: int = 3
    experiment_randomize: bool = True
    experiment_results: Optional[ExperimentResultsData] = None
    
    def __post_init__(self):
        if self.medium_reagents is None:
            self.medium_reagents = []
        if self.experiment_factors is None:
            self.experiment_factors = []
        if self.experiment_responses is None:
            self.experiment_responses = []
    
    def to_dict(self) -> Dict:
        """Конвертирует в словарь для JSON"""
        return {
            'project_info': {
                'name': self.project_name,
                'created_at': self.created_at,
                'modified_at': self.modified_at,
                'version': self.version
            },
            'medium_calculator': {
                'total_volume': self.medium_total_volume,
                'volume_unit': self.medium_volume_unit,
                'solvent': self.medium_solvent,
                'reagents': [r.to_dict() for r in self.medium_reagents]
            },
            'experiment': {
                'factors': [f.to_dict() for f in self.experiment_factors],
                'responses': [r.to_dict() for r in self.experiment_responses],
                'center_points': self.experiment_center_points,
                'randomize': self.experiment_randomize,
                'results': self.experiment_results.to_dict() if self.experiment_results else None
            }
        }
    
    @classmethod
    def from_dict(cls, data: Dict) -> 'ProjectData':
        """Создаёт объект из словаря"""
        project_info = data.get('project_info', {})
        medium = data.get('medium_calculator', {})
        experiment = data.get('experiment', {})
        
        # Создаём объект
        obj = cls(
            project_name=project_info.get('name', 'Новый проект'),
            created_at=project_info.get('created_at', datetime.now().isoformat()),
            modified_at=project_info.get('modified_at', datetime.now().isoformat()),
            version=project_info.get('version', '1.0'),
            medium_total_volume=medium.get('total_volume', 1000.0),
            medium_volume_unit=medium.get('volume_unit', 'мл'),
            medium_solvent=medium.get('solvent', 'Вода'),
            medium_reagents=[ReagentData.from_dict(r) for r in medium.get('reagents', [])],
            experiment_factors=[FactorData.from_dict(f) for f in experiment.get('factors', [])],
            experiment_responses=[ResponseData.from_dict(r) for r in experiment.get('responses', [])],
            experiment_center_points=experiment.get('center_points', 3),
            experiment_randomize=experiment.get('randomize', True),
            experiment_results=ExperimentResultsData.from_dict(experiment['results']) 
                              if experiment.get('results') else None
        )
        return obj
    
    def save_to_file(self, filename: str):
        """Сохраняет проект в JSON файл"""
        self.modified_at = datetime.now().isoformat()
        with open(filename, 'w', encoding='utf-8') as f:
            json.dump(self.to_dict(), f, ensure_ascii=False, indent=2)
    
    @classmethod
    def load_from_file(cls, filename: str) -> 'ProjectData':
        """Загружает проект из JSON файла"""
        with open(filename, 'r', encoding='utf-8') as f:
            data = json.load(f)
        return cls.from_dict(data)


def create_new_project(name: str = "Новый проект") -> ProjectData:
    """Создаёт новый проект с текущей датой"""
    now = datetime.now().isoformat()
    return ProjectData(
        project_name=name,
        created_at=now,
        modified_at=now
    )