"""
最简化数据模型
"""

from dataclasses import dataclass, field
from typing import Dict, Any, List, Optional


@dataclass
class ClassificationItem:
    """分类项（一级或二级）"""
    title: str
    page: int
    level: int
    category: str = ""          # 中文分类名
    category_code: str = ""     # 分类代码
    confidence: float = 0.0
    original: str = ""
    # 二级分类特有
    level2_titles: List[str] = field(default_factory=list)
    classifications: List[Dict[str, Any]] = field(default_factory=list)


@dataclass
class ChunkItem:
    """文档 chunk"""
    chunk_id: str
    section_label: str
    chapter_classification: str     # 一级分类代码
    first_name: str                 # 一级分类中文
    secondary_category_code: str    # 二级分类代码
    secondary_category_cn: str      # 二级分类中文
    hierarchy_path: List[str]
    review_chunk_content: str
    page_start: int
    page_end: int
    # 三级分类结果
    tertiary_category_code: str = ""
    tertiary_category_cn: str = ""
    tertiary_classification_details: List[Dict[str, Any]] = field(default_factory=list)


@dataclass
class PipelineResult:
    """管线处理结果"""
    document_name: str
    total_pages: int
    # 原始提取结构
    chapters: Dict[str, Any] = field(default_factory=dict)
    # 分类结果
    primary_items: List[ClassificationItem] = field(default_factory=list)
    secondary_items: List[Dict[str, Any]] = field(default_factory=list)
    # chunks
    chunks: List[ChunkItem] = field(default_factory=list)
    # 质量检查
    quality_check: Dict[str, Any] = field(default_factory=dict)
    # 统计
    stats: Dict[str, Any] = field(default_factory=dict)

    def to_dict(self) -> Dict[str, Any]:
        """转换为可序列化的字典"""
        return {
            "document_name": self.document_name,
            "total_pages": self.total_pages,
            "chapters": self.chapters,
            "primary_items": [
                {
                    "title": item.title,
                    "page": item.page,
                    "level": item.level,
                    "category": item.category,
                    "category_code": item.category_code,
                    "confidence": item.confidence,
                    "original": item.original,
                    "level2_titles": item.level2_titles,
                }
                for item in self.primary_items
            ],
            "secondary_items": self.secondary_items,
            "chunks": [
                {
                    "chunk_id": c.chunk_id,
                    "section_label": c.section_label,
                    "chapter_classification": c.chapter_classification,
                    "first_name": c.first_name,
                    "secondary_category_code": c.secondary_category_code,
                    "secondary_category_cn": c.secondary_category_cn,
                    "hierarchy_path": c.hierarchy_path,
                    "review_chunk_content": c.review_chunk_content,
                    "page_start": c.page_start,
                    "page_end": c.page_end,
                    "tertiary_category_code": c.tertiary_category_code,
                    "tertiary_category_cn": c.tertiary_category_cn,
                    "tertiary_classification_details": c.tertiary_classification_details,
                }
                for c in self.chunks
            ],
            "quality_check": self.quality_check,
            "stats": self.stats,
        }