#!/usr/bin/env python3
"""
Tab5内容生成器 - 实质与形式的双向支撑关系图
展示：选题点(来自实质) ← 实质点 → 形式点 → 选题点(来自形式)
"""
import html as html_module
import json
from typing import Dict, Any, List


def get_intent_support_data(element: Dict[str, Any]) -> Dict[str, Any]:
    """
    获取元素的意图支撑数据（兼容新旧数据结构）
    
    优先使用"意图支撑"字段，如果没有则使用"多维度评分"字段
    这两个字段内部存储的都是意图支撑数据
    
    Args:
        element: 元素数据
        
    Returns:
        意图支撑数据字典，格式：{"灵感点": [...], "目的点": [...], "关键点": [...]}
    """
    # 优先使用"意图支撑"字段
    intent_support = element.get('意图支撑')
    if intent_support and isinstance(intent_support, dict):
        return intent_support
    
    # 如果没有"意图支撑"，则使用"多维度评分"字段（兼容旧数据）
    multi_scores = element.get('多维度评分')
    if multi_scores and isinstance(multi_scores, dict):
        return multi_scores
    
    # 都没有则返回空字典
    return {}


def generate_tab5_content(data: Dict[str, Any]) -> str:
    """生成Tab5内容：实质与形式的双向支撑关系图（4列布局）"""
    html = '<div class="tab-content" id="tab5">\n'

    # 提取数据
    script_data = data.get('脚本理解', {})
    form_list = script_data.get('形式列表', [])
    substance_list = script_data.get('实质列表', [])
    
    # 处理灵感点：可能是列表，也可能在对象中
    inspiration_data = data.get('灵感点', [])
    if isinstance(inspiration_data, list):
        inspiration_points = inspiration_data
    elif isinstance(inspiration_data, dict):
        inspiration_points = inspiration_data.get('inspiration_points', [])
    else:
        inspiration_points = []
    
    # 处理目的点：可能是列表，也可能在对象的purposes字段中
    purpose_data = data.get('目的点', [])
    if isinstance(purpose_data, list):
        purpose_points = purpose_data
    elif isinstance(purpose_data, dict):
        purpose_points = purpose_data.get('purposes', [])
    else:
        purpose_points = []
    
    # 处理关键点：可能是列表，也可能在对象的key_points字段中
    keypoint_data = data.get('关键点', [])
    if isinstance(keypoint_data, list):
        key_points = keypoint_data
    elif isinstance(keypoint_data, dict):
        key_points = keypoint_data.get('key_points', [])
    else:
        key_points = []

    if not substance_list and not form_list:
        html += '<div class="empty-state">暂无实质点和形式点数据</div>\n'
        html += '</div>\n'
        return html

    # 分类实质点
    concrete_elements = []
    concrete_concepts = []
    implicit_concepts = []
    abstract_concepts = []

    for substance in substance_list:
        dimension_2 = substance.get('维度', {}).get('二级', '')
        elem_type = substance.get('类型', '')
        
        # 隐含概念：优先通过类型判断（因为维度二级可能是"隐含概念"或"抽象概念"）
        if elem_type == '隐含概念':
            implicit_concepts.append(substance)
        elif dimension_2 == '具体元素':
            concrete_elements.append(substance)
        elif dimension_2 == '具象概念':  # 修改：从"具体概念"改为"具象概念"
            concrete_concepts.append(substance)
        elif dimension_2 == '抽象概念':
            abstract_concepts.append(substance)

    # 分类形式点
    concrete_element_forms = []
    concrete_concept_forms = []
    overall_forms = []

    for form in form_list:
        dimension_2 = form.get('维度', {}).get('二级', '')
        if dimension_2 == '具体元素形式':
            concrete_element_forms.append(form)
        elif dimension_2 == '具象概念形式':  # 修改：从"具体概念形式"改为"具象概念形式"
            concrete_concept_forms.append(form)
        elif dimension_2 == '整体形式':
            overall_forms.append(form)

    # 构建关系数据
    relationships = build_bidirectional_relationships(
        concrete_elements, concrete_concepts, implicit_concepts, abstract_concepts,
        concrete_element_forms, concrete_concept_forms, overall_forms,
        inspiration_points, purpose_points, key_points
    )

    # 添加标题和说明
    html += '<div class="tab5-header">\n'
    html += '<h2 class="tab5-title">实质与形式的双向支撑关系图</h2>\n'
    html += '<div class="tab5-description">\n'
    html += '<p>4列展示：<strong>选题点(实质支撑)</strong> ← <strong>实质点</strong> | <strong>形式点</strong> → <strong>选题点(形式支撑)</strong></p>\n'
    html += '<ul class="relationship-rules">\n'
    html += '<li>左侧选题点：显示实质点对灵感点、关键点、目的点的支撑关系</li>\n'
    html += '<li>右侧选题点：显示形式点对灵感点、关键点、目的点的支撑关系</li>\n'
    html += '</ul>\n'
    html += '</div>\n'
    html += '</div>\n'

    # SVG 连线容器（放在4列布局之前，作为背景层）
    html += '<div class="tab5-svg-container">\n'
    html += '<svg id="tab5-connection-svg" width="100%" height="100%">\n'
    html += '<!-- 连线将在这里绘制 -->\n'
    html += '</svg>\n'
    html += '</div>\n'

    # 主要内容区域（4列布局）
    html += '<div class="tab5-four-column-container">\n'

    # 第1列：左侧选题点（来自实质点的支撑关系）
    html += '<div class="tab5-column tab5-left-targets">\n'
    html += '<h3 class="panel-title">选题点<br/><span style="font-size:0.8em;font-weight:normal;color:#6c757d;">(实质支撑)</span></h3>\n'

    # 灵感点（左）
    if inspiration_points:
        html += '<div class="target-group">\n'
        html += '<h4 class="group-title">灵感点</h4>\n'
        html += '<div class="target-items">\n'
        for idx, point in enumerate(inspiration_points, 1):
            # 确保 point 是字典
            if not isinstance(point, dict):
                continue
            # 使用提取的特征中的特征名称，每个特征名称一个卡片
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                # 为每个特征名称创建一个独立ID的卡片
                for feature_idx, feature_name in enumerate(feature_names, 1):
                    feature_id = f'inspiration-{idx}-{feature_idx}'
                    html += f'<div class="target-card inspiration-card" data-type="inspiration-substance" data-id="{feature_id}" onclick="selectLeftTarget(' + f"'inspiration', '{idx}-{feature_idx}'" + ')">\n'
                    html += f'<div class="card-number">#{idx}-{feature_idx}</div>\n'
                    html += f'<div class="card-text">{html_module.escape(feature_name)}</div>\n'
                    html += '</div>\n'
            else:
                # 如果没有特征，使用原始的灵感点文本
                display_text = point.get('灵感点', '')
                html += f'<div class="target-card inspiration-card" data-type="inspiration-substance" data-id="inspiration-{idx}" onclick="selectLeftTarget(' + f"'inspiration', {idx}" + ')">\n'
                html += f'<div class="card-number">#{idx}</div>\n'
                html += f'<div class="card-text">{html_module.escape(display_text)}</div>\n'
                html += '</div>\n'
        html += '</div>\n'
        html += '</div>\n'

    # 关键点（左）
    if key_points:
        html += '<div class="target-group">\n'
        html += '<h4 class="group-title">关键点</h4>\n'
        html += '<div class="target-items">\n'
        for idx, point in enumerate(key_points, 1):
            # 确保 point 是字典
            if not isinstance(point, dict):
                continue
            # 使用提取的特征中的特征名称，每个特征名称一个卡片
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                # 为每个特征名称创建一个独立ID的卡片
                for feature_idx, feature_name in enumerate(feature_names, 1):
                    feature_id = f'keypoint-{idx}-{feature_idx}'
                    html += f'<div class="target-card keypoint-card" data-type="keypoint-substance" data-id="{feature_id}" onclick="selectLeftTarget(' + f"'keypoint', '{idx}-{feature_idx}'" + ')">\n'
                    html += f'<div class="card-number">#{idx}-{feature_idx}</div>\n'
                    html += f'<div class="card-text">{html_module.escape(feature_name)}</div>\n'
                    html += '</div>\n'
            else:
                # 如果没有特征，使用原始的关键点文本
                display_text = point.get('关键点', '')
                html += f'<div class="target-card keypoint-card" data-type="keypoint-substance" data-id="keypoint-{idx}" onclick="selectLeftTarget(' + f"'keypoint', {idx}" + ')">\n'
                html += f'<div class="card-number">#{idx}</div>\n'
                html += f'<div class="card-text">{html_module.escape(display_text)}</div>\n'
                html += '</div>\n'
        html += '</div>\n'
        html += '</div>\n'

    # 目的点（左）
    if purpose_points:
        html += '<div class="target-group">\n'
        html += '<h4 class="group-title">目的点</h4>\n'
        html += '<div class="target-items">\n'
        for idx, point in enumerate(purpose_points, 1):
            # 确保 point 是字典
            if not isinstance(point, dict):
                continue
            # 使用提取的特征中的特征名称，每个特征名称一个卡片
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                # 为每个特征名称创建一个独立ID的卡片
                for feature_idx, feature_name in enumerate(feature_names, 1):
                    feature_id = f'purpose-{idx}-{feature_idx}'
                    html += f'<div class="target-card purpose-card" data-type="purpose-substance" data-id="{feature_id}" onclick="selectLeftTarget(' + f"'purpose', '{idx}-{feature_idx}'" + ')">\n'
                    html += f'<div class="card-number">#{idx}-{feature_idx}</div>\n'
                    html += f'<div class="card-text">{html_module.escape(feature_name)}</div>\n'
                    html += '</div>\n'
            else:
                # 如果没有特征，使用原始的目的点文本
                display_text = point.get('目的点', '')
                html += f'<div class="target-card purpose-card" data-type="purpose-substance" data-id="purpose-{idx}" onclick="selectLeftTarget(' + f"'purpose', {idx}" + ')">\n'
                html += f'<div class="card-number">#{idx}</div>\n'
                html += f'<div class="card-text">{html_module.escape(display_text)}</div>\n'
                html += '</div>\n'
        html += '</div>\n'
        html += '</div>\n'

    html += '</div>\n'

    # 第2列：实质点
    html += '<div class="tab5-column tab5-substances">\n'
    html += '<h3 class="panel-title">实质点</h3>\n'

    # 具体元素
    if concrete_elements:
        html += '<div class="substance-group">\n'
        html += '<h4 class="group-title">具体元素</h4>\n'
        html += '<div class="substance-items">\n'
        for substance in concrete_elements:
            html += render_substance_card(substance, 'concrete-element')
        html += '</div>\n'
        html += '</div>\n'

    # 具象概念
    if concrete_concepts:
        html += '<div class="substance-group">\n'
        html += '<h4 class="group-title">具象概念</h4>\n'
        html += '<div class="substance-items">\n'
        for substance in concrete_concepts:
            html += render_substance_card(substance, 'concrete-concept')
        html += '</div>\n'
        html += '</div>\n'

    # 隐含概念
    if implicit_concepts:
        html += '<div class="substance-group">\n'
        html += '<h4 class="group-title">隐含概念</h4>\n'
        html += '<div class="substance-items">\n'
        for substance in implicit_concepts:
            html += render_substance_card(substance, 'implicit-concept')
        html += '</div>\n'
        html += '</div>\n'

    # 抽象概念
    if abstract_concepts:
        html += '<div class="substance-group">\n'
        html += '<h4 class="group-title">抽象概念</h4>\n'
        html += '<div class="substance-items">\n'
        for substance in abstract_concepts:
            html += render_substance_card(substance, 'abstract-concept')
        html += '</div>\n'
        html += '</div>\n'

    html += '</div>\n'

    # 第3列：形式点
    html += '<div class="tab5-column tab5-forms">\n'
    html += '<h3 class="panel-title">形式点</h3>\n'

    # 具体元素形式
    if concrete_element_forms:
        html += '<div class="form-group">\n'
        html += '<h4 class="group-title">具体元素形式</h4>\n'
        html += '<div class="form-items">\n'
        for form in concrete_element_forms:
            html += render_form_card(form, 'concrete-element-form')
        html += '</div>\n'
        html += '</div>\n'

    # 具象概念形式
    if concrete_concept_forms:
        html += '<div class="form-group">\n'
        html += '<h4 class="group-title">具象概念形式</h4>\n'
        html += '<div class="form-items">\n'
        for form in concrete_concept_forms:
            html += render_form_card(form, 'concrete-concept-form')
        html += '</div>\n'
        html += '</div>\n'

    # 整体形式
    if overall_forms:
        html += '<div class="form-group">\n'
        html += '<h4 class="group-title">整体形式</h4>\n'
        html += '<div class="form-items">\n'
        for form in overall_forms:
            html += render_form_card(form, 'overall-form')
        html += '</div>\n'
        html += '</div>\n'

    html += '</div>\n'

    # 第4列：右侧选题点（来自形式点的支撑关系）
    html += '<div class="tab5-column tab5-right-targets">\n'
    html += '<h3 class="panel-title">选题点<br/><span style="font-size:0.8em;font-weight:normal;color:#6c757d;">(形式支撑)</span></h3>\n'

    # 灵感点（右）
    if inspiration_points:
        html += '<div class="target-group">\n'
        html += '<h4 class="group-title">灵感点</h4>\n'
        html += '<div class="target-items">\n'
        for idx, point in enumerate(inspiration_points, 1):
            # 确保 point 是字典
            if not isinstance(point, dict):
                continue
            # 使用提取的特征中的特征名称，每个特征名称一个卡片
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                # 为每个特征名称创建一个独立ID的卡片
                for feature_idx, feature_name in enumerate(feature_names, 1):
                    feature_id = f'inspiration-{idx}-{feature_idx}'
                    html += f'<div class="target-card inspiration-card" data-type="inspiration-form" data-id="{feature_id}" onclick="selectRightTarget(' + f"'inspiration', '{idx}-{feature_idx}'" + ')">\n'
                    html += f'<div class="card-number">#{idx}-{feature_idx}</div>\n'
                    html += f'<div class="card-text">{html_module.escape(feature_name)}</div>\n'
                    html += '</div>\n'
            else:
                # 如果没有特征，使用原始的灵感点文本
                display_text = point.get('灵感点', '')
                html += f'<div class="target-card inspiration-card" data-type="inspiration-form" data-id="inspiration-{idx}" onclick="selectRightTarget(' + f"'inspiration', {idx}" + ')">\n'
                html += f'<div class="card-number">#{idx}</div>\n'
                html += f'<div class="card-text">{html_module.escape(display_text)}</div>\n'
                html += '</div>\n'
        html += '</div>\n'
        html += '</div>\n'

    # 关键点（右）
    if key_points:
        html += '<div class="target-group">\n'
        html += '<h4 class="group-title">关键点</h4>\n'
        html += '<div class="target-items">\n'
        for idx, point in enumerate(key_points, 1):
            # 确保 point 是字典
            if not isinstance(point, dict):
                continue
            # 使用提取的特征中的特征名称，每个特征名称一个卡片
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                # 为每个特征名称创建一个独立ID的卡片
                for feature_idx, feature_name in enumerate(feature_names, 1):
                    feature_id = f'keypoint-{idx}-{feature_idx}'
                    html += f'<div class="target-card keypoint-card" data-type="keypoint-form" data-id="{feature_id}" onclick="selectRightTarget(' + f"'keypoint', '{idx}-{feature_idx}'" + ')">\n'
                    html += f'<div class="card-number">#{idx}-{feature_idx}</div>\n'
                    html += f'<div class="card-text">{html_module.escape(feature_name)}</div>\n'
                    html += '</div>\n'
            else:
                # 如果没有特征，使用原始的关键点文本
                display_text = point.get('关键点', '')
                html += f'<div class="target-card keypoint-card" data-type="keypoint-form" data-id="keypoint-{idx}" onclick="selectRightTarget(' + f"'keypoint', {idx}" + ')">\n'
                html += f'<div class="card-number">#{idx}</div>\n'
                html += f'<div class="card-text">{html_module.escape(display_text)}</div>\n'
                html += '</div>\n'
        html += '</div>\n'
        html += '</div>\n'

    # 目的点（右）
    if purpose_points:
        html += '<div class="target-group">\n'
        html += '<h4 class="group-title">目的点</h4>\n'
        html += '<div class="target-items">\n'
        for idx, point in enumerate(purpose_points, 1):
            # 确保 point 是字典
            if not isinstance(point, dict):
                continue
            # 使用提取的特征中的特征名称，每个特征名称一个卡片
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                # 为每个特征名称创建一个独立ID的卡片
                for feature_idx, feature_name in enumerate(feature_names, 1):
                    feature_id = f'purpose-{idx}-{feature_idx}'
                    html += f'<div class="target-card purpose-card" data-type="purpose-form" data-id="{feature_id}" onclick="selectRightTarget(' + f"'purpose', '{idx}-{feature_idx}'" + ')">\n'
                    html += f'<div class="card-number">#{idx}-{feature_idx}</div>\n'
                    html += f'<div class="card-text">{html_module.escape(feature_name)}</div>\n'
                    html += '</div>\n'
            else:
                # 如果没有特征，使用原始的目的点文本
                display_text = point.get('目的点', '')
                html += f'<div class="target-card purpose-card" data-type="purpose-form" data-id="purpose-{idx}" onclick="selectRightTarget(' + f"'purpose', {idx}" + ')">\n'
                html += f'<div class="card-number">#{idx}</div>\n'
                html += f'<div class="card-text">{html_module.escape(display_text)}</div>\n'
                html += '</div>\n'
        html += '</div>\n'
        html += '</div>\n'

    html += '</div>\n'
    html += '</div>\n'

    # 嵌入关系数据
    html += '<script>\n'
    html += f'const tab5Relationships = {json.dumps(relationships, ensure_ascii=False)};\n'
    html += '</script>\n'

    html += '</div>\n'
    return html


def render_substance_card(substance: Dict[str, Any], css_class: str) -> str:
    """渲染实质点卡片"""
    substance_id = substance.get('id', '')
    substance_name = substance.get('名称', '')
    description = substance.get('描述', '')

    html = f'<div class="substance-card {css_class}" data-id="{html_module.escape(substance_id)}" onclick="selectSubstance(' + f"'{substance_id}'" + ')">\n'
    html += f'<div class="card-header">\n'
    html += f'<div class="card-id">#{html_module.escape(substance_id)}</div>\n'
    html += f'<div class="card-name">{html_module.escape(substance_name)}</div>\n'
    html += '</div>\n'
    if description:
        html += f'<div class="card-description">{html_module.escape(description[:50])}{"..." if len(description) > 50 else ""}</div>\n'
    html += '</div>\n'
    return html


def render_form_card(form: Dict[str, Any], css_class: str) -> str:
    """渲染形式点卡片"""
    form_id = form.get('id', '')
    form_name = form.get('名称', '')
    description = form.get('描述', '')
    weight_score = form.get('权重分')

    html = f'<div class="form-card {css_class}" data-id="{html_module.escape(form_id)}" onclick="selectForm(' + f"'{form_id}'" + ')">\n'
    html += f'<div class="card-header">\n'
    html += f'<div class="card-id">#{html_module.escape(form_id)}</div>\n'
    html += f'<div class="card-name">{html_module.escape(form_name)}</div>\n'
    if weight_score is not None:
        html += f'<div class="card-weight" style="font-size: 11px; color: #666; margin-top: 2px;">权重分: {weight_score:.1f}</div>\n'
    html += '</div>\n'
    if description:
        html += f'<div class="card-description">{html_module.escape(description[:50])}{"..." if len(description) > 50 else ""}</div>\n'
    html += '</div>\n'
    return html


def build_bidirectional_relationships(
    concrete_elements: List[Dict],
    concrete_concepts: List[Dict],
    implicit_concepts: List[Dict],
    abstract_concepts: List[Dict],
    concrete_element_forms: List[Dict],
    concrete_concept_forms: List[Dict],
    overall_forms: List[Dict],
    inspiration_points: List[Dict],
    purpose_points: List[Dict],
    key_points: List[Dict]
) -> Dict[str, Any]:
    """
    构建双向支撑关系数据

    返回结构：
    {
        "substance_to_target": {
            "substance_id": {
                "inspiration": [{target_id, score, ...}],
                "purpose": [...],
                "keypoint": [...]
            }
        },
        "form_to_target": {
            "form_id": {
                "inspiration": [{target_id, score, ...}],
                "purpose": [...],
                "keypoint": [...]
            }
        },
        "target_from_substance": {
            "inspiration-1": [substance_ids with scores],
            "keypoint-1": [...],
            "purpose-1": [...]
        },
        "target_from_form": {
            "inspiration-1": [form_ids with scores],
            ...
        },
        "form_to_substance": {
            "form_id": [substance_ids],
            ...
        },
        "substance_from_form": {
            "substance_id": [form_ids],
            ...
        }
    }
    """
    relationships = {
        "substance_to_target": {},
        "form_to_target": {},
        "target_from_substance": {},
        "target_from_form": {},
        "form_to_substance": {},  # 新增：形式点→实质点
        "substance_from_form": {}  # 新增：实质点←形式点（反向）
    }

    # 合并所有实质点和形式点
    all_substances = concrete_elements + concrete_concepts + implicit_concepts + abstract_concepts
    all_forms = concrete_element_forms + concrete_concept_forms + overall_forms

    # 注意：优先使用"意图支撑"字段，如果没有则使用"多维度评分"字段（兼容旧数据）
    # 这两个字段内部存储的都是意图支撑数据，每个项目就是一个支撑点
    # 不再需要阈值过滤，所有支撑点都会显示连线

    # 1. 构建实质点到选题点的关系（基于意图支撑数据）
    for substance in all_substances:
        substance_id = substance.get('id', '')
        if not substance_id:
            continue

        dimension_2 = substance.get('维度', {}).get('二级', '')
        intention_support = get_intent_support_data(substance)

        relationships["substance_to_target"][substance_id] = {
            "name": substance.get('名称', ''),
            "type": dimension_2,
            "inspiration": [],
            "purpose": [],
            "keypoint": []
        }

        # 处理灵感点（意图支撑）
        for support_item in intention_support.get('灵感点', []):
            point_name = support_item.get('点')
            if not point_name:
                continue

            # 在灵感点列表中查找匹配的点，以便复用Tab1中的卡片id/特征结构
            idx = next(
                (i for i, p in enumerate(inspiration_points, 1)
                 if isinstance(p, dict) and p.get('灵感点') == point_name),
                None
            )
            if idx is None:
                continue

            point = inspiration_points[idx - 1]
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                # 为每个特征创建独立的关系
                for feature_idx in range(1, len(feature_names) + 1):
                    target_id = f'inspiration-{idx}-{feature_idx}'
                    relationships["substance_to_target"][substance_id]["inspiration"].append({
                        "target_id": target_id,
                        "point": point_name,
                        "support_reason": support_item.get('支撑理由', '')
                    })

                    # 反向关系
                    if target_id not in relationships["target_from_substance"]:
                        relationships["target_from_substance"][target_id] = []
                    relationships["target_from_substance"][target_id].append({
                        "substance_id": substance_id,
                        "name": substance.get('名称', ''),
                        "type": dimension_2,
                        "support_reason": support_item.get('支撑理由', '')
                    })
            else:
                # 没有特征，使用主索引
                target_id = f'inspiration-{idx}'
                relationships["substance_to_target"][substance_id]["inspiration"].append({
                    "target_id": target_id,
                    "point": point_name,
                    "support_reason": support_item.get('支撑理由', '')
                })

                # 反向关系
                if target_id not in relationships["target_from_substance"]:
                    relationships["target_from_substance"][target_id] = []
                relationships["target_from_substance"][target_id].append({
                    "substance_id": substance_id,
                    "name": substance.get('名称', ''),
                    "type": dimension_2,
                    "support_reason": support_item.get('支撑理由', '')
                })

        # 处理目的点（意图支撑）
        for support_item in intention_support.get('目的点', []):
            point_name = support_item.get('点')
            if not point_name:
                continue

            idx = next(
                (i for i, p in enumerate(purpose_points, 1)
                 if isinstance(p, dict) and p.get('目的点') == point_name),
                None
            )
            if idx is None:
                continue

            point = purpose_points[idx - 1]
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                for feature_idx in range(1, len(feature_names) + 1):
                    target_id = f'purpose-{idx}-{feature_idx}'
                    relationships["substance_to_target"][substance_id]["purpose"].append({
                        "target_id": target_id,
                        "point": point_name,
                        "support_reason": support_item.get('支撑理由', '')
                    })

                    if target_id not in relationships["target_from_substance"]:
                        relationships["target_from_substance"][target_id] = []
                    relationships["target_from_substance"][target_id].append({
                        "substance_id": substance_id,
                        "name": substance.get('名称', ''),
                        "type": dimension_2,
                        "support_reason": support_item.get('支撑理由', '')
                    })
            else:
                target_id = f'purpose-{idx}'
                relationships["substance_to_target"][substance_id]["purpose"].append({
                    "target_id": target_id,
                    "point": point_name,
                    "support_reason": support_item.get('支撑理由', '')
                })

                if target_id not in relationships["target_from_substance"]:
                    relationships["target_from_substance"][target_id] = []
                relationships["target_from_substance"][target_id].append({
                    "substance_id": substance_id,
                    "name": substance.get('名称', ''),
                    "type": dimension_2,
                    "support_reason": support_item.get('支撑理由', '')
                })

        # 处理关键点（意图支撑）
        for support_item in intention_support.get('关键点', []):
            point_name = support_item.get('点')
            if not point_name:
                continue

            idx = next(
                (i for i, p in enumerate(key_points, 1)
                 if isinstance(p, dict) and p.get('关键点') == point_name),
                None
            )
            if idx is None:
                continue

            point = key_points[idx - 1]
            features = point.get('提取的特征', [])
            feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

            if feature_names:
                for feature_idx in range(1, len(feature_names) + 1):
                    target_id = f'keypoint-{idx}-{feature_idx}'
                    relationships["substance_to_target"][substance_id]["keypoint"].append({
                        "target_id": target_id,
                        "point": point_name,
                        "support_reason": support_item.get('支撑理由', '')
                    })

                    if target_id not in relationships["target_from_substance"]:
                        relationships["target_from_substance"][target_id] = []
                    relationships["target_from_substance"][target_id].append({
                        "substance_id": substance_id,
                        "name": substance.get('名称', ''),
                        "type": dimension_2,
                        "support_reason": support_item.get('支撑理由', '')
                    })
            else:
                target_id = f'keypoint-{idx}'
                relationships["substance_to_target"][substance_id]["keypoint"].append({
                    "target_id": target_id,
                    "point": point_name,
                    "support_reason": support_item.get('支撑理由', '')
                })

                if target_id not in relationships["target_from_substance"]:
                    relationships["target_from_substance"][target_id] = []
                relationships["target_from_substance"][target_id].append({
                    "substance_id": substance_id,
                    "name": substance.get('名称', ''),
                    "type": dimension_2,
                    "support_reason": support_item.get('支撑理由', '')
                })

    # 2. 构建形式点到选题点的关系
    for form in all_forms:
        form_id = form.get('id', '')
        if not form_id:
            continue

        dimension_2 = form.get('维度', {}).get('二级', '')
        # 优先使用"意图支撑"字段，如果没有则使用"多维度评分"字段
        intent_support_data = get_intent_support_data(form)

        relationships["form_to_target"][form_id] = {
            "name": form.get('名称', ''),
            "type": dimension_2,
            "inspiration": [],
            "purpose": [],
            "keypoint": []
        }

        # 处理灵感点（每个项目就是一个支撑点）
        if '灵感点' in intent_support_data:
            for support_point in intent_support_data['灵感点']:
                if not isinstance(support_point, dict):
                    continue
                
                # 每个项目就是一个支撑点，直接使用
                point_name = support_point.get('点', '')
                if not point_name:
                    continue
                
                # 根据点名称找到对应的灵感点索引
                point_idx = None
                for idx, point in enumerate(inspiration_points, 1):
                    if point.get('灵感点') == point_name or point.get('名称') == point_name:
                        point_idx = idx
                        break
                
                if point_idx and point_idx <= len(inspiration_points):
                    point = inspiration_points[point_idx - 1]
                    features = point.get('提取的特征', [])
                    feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

                    if feature_names:
                        # 为每个特征创建独立的关系
                        for feature_idx in range(1, len(feature_names) + 1):
                            target_id = f'inspiration-{point_idx}-{feature_idx}'
                            relationships["form_to_target"][form_id]["inspiration"].append({
                                "target_id": target_id,
                                "point": point_name,
                                "support_reason": support_point.get('支撑理由', '')
                            })

                            # 反向关系
                            if target_id not in relationships["target_from_form"]:
                                relationships["target_from_form"][target_id] = []
                            relationships["target_from_form"][target_id].append({
                                "form_id": form_id,
                                "name": form.get('名称', ''),
                                "type": dimension_2,
                                "support_reason": support_point.get('支撑理由', '')
                            })
                    else:
                        # 没有特征，使用主索引
                        target_id = f'inspiration-{point_idx}'
                        relationships["form_to_target"][form_id]["inspiration"].append({
                            "target_id": target_id,
                            "point": point_name,
                            "support_reason": support_point.get('支撑理由', '')
                        })

                        # 反向关系
                        if target_id not in relationships["target_from_form"]:
                            relationships["target_from_form"][target_id] = []
                        relationships["target_from_form"][target_id].append({
                            "form_id": form_id,
                            "name": form.get('名称', ''),
                            "type": dimension_2,
                            "support_reason": support_point.get('支撑理由', '')
                        })

        # 处理目的点（每个项目就是一个支撑点）
        if '目的点' in intent_support_data:
            for support_point in intent_support_data['目的点']:
                if not isinstance(support_point, dict):
                    continue
                
                # 每个项目就是一个支撑点，直接使用
                point_name = support_point.get('点', '')
                if not point_name:
                    continue
                
                # 根据点名称找到对应的目的点索引
                point_idx = None
                for idx, point in enumerate(purpose_points, 1):
                    if point.get('目的点') == point_name or point.get('名称') == point_name:
                        point_idx = idx
                        break
                
                if point_idx and point_idx <= len(purpose_points):
                    point = purpose_points[point_idx - 1]
                    features = point.get('提取的特征', [])
                    feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

                    if feature_names:
                        for feature_idx in range(1, len(feature_names) + 1):
                            target_id = f'purpose-{point_idx}-{feature_idx}'
                            relationships["form_to_target"][form_id]["purpose"].append({
                                "target_id": target_id,
                                "point": point_name,
                                "support_reason": support_point.get('支撑理由', '')
                            })
                            if target_id not in relationships["target_from_form"]:
                                relationships["target_from_form"][target_id] = []
                            relationships["target_from_form"][target_id].append({
                                "form_id": form_id,
                                "name": form.get('名称', ''),
                                "type": dimension_2,
                                "support_reason": support_point.get('支撑理由', '')
                            })
                    else:
                        target_id = f'purpose-{point_idx}'
                        relationships["form_to_target"][form_id]["purpose"].append({
                            "target_id": target_id,
                            "point": point_name,
                            "support_reason": support_point.get('支撑理由', '')
                        })
                        if target_id not in relationships["target_from_form"]:
                            relationships["target_from_form"][target_id] = []
                        relationships["target_from_form"][target_id].append({
                            "form_id": form_id,
                            "name": form.get('名称', ''),
                            "type": dimension_2,
                            "support_reason": support_point.get('支撑理由', '')
                        })

        # 处理关键点（每个项目就是一个支撑点）
        if '关键点' in intent_support_data:
            for support_point in intent_support_data['关键点']:
                if not isinstance(support_point, dict):
                    continue
                
                # 每个项目就是一个支撑点，直接使用
                point_name = support_point.get('点', '')
                if not point_name:
                    continue
                
                # 根据点名称找到对应的关键点索引
                point_idx = None
                for idx, point in enumerate(key_points, 1):
                    if point.get('关键点') == point_name or point.get('名称') == point_name:
                        point_idx = idx
                        break
                
                if point_idx and point_idx <= len(key_points):
                    point = key_points[point_idx - 1]
                    features = point.get('提取的特征', [])
                    feature_names = [f.get('特征名称', '') for f in features if f.get('特征名称')]

                    if feature_names:
                        for feature_idx in range(1, len(feature_names) + 1):
                            target_id = f'keypoint-{point_idx}-{feature_idx}'
                            relationships["form_to_target"][form_id]["keypoint"].append({
                                "target_id": target_id,
                                "point": point_name,
                                "support_reason": support_point.get('支撑理由', '')
                            })
                            if target_id not in relationships["target_from_form"]:
                                relationships["target_from_form"][target_id] = []
                            relationships["target_from_form"][target_id].append({
                                "form_id": form_id,
                                "name": form.get('名称', ''),
                                "type": dimension_2,
                                "support_reason": support_point.get('支撑理由', '')
                            })
                    else:
                        target_id = f'keypoint-{point_idx}'
                        relationships["form_to_target"][form_id]["keypoint"].append({
                            "target_id": target_id,
                            "point": point_name,
                            "support_reason": support_point.get('支撑理由', '')
                        })
                        if target_id not in relationships["target_from_form"]:
                            relationships["target_from_form"][target_id] = []
                        relationships["target_from_form"][target_id].append({
                            "form_id": form_id,
                            "name": form.get('名称', ''),
                            "type": dimension_2,
                            "support_reason": support_point.get('支撑理由', '')
                        })

    # 3. 构建形式点到实质点的支撑关系
    for form in all_forms:
        form_id = form.get('id', '')
        if not form_id:
            continue

        dimension_2 = form.get('维度', {}).get('二级', '')
        support_data = form.get('支撑', [])

        if not support_data:
            continue

        # 初始化形式点的支撑关系
        if form_id not in relationships["form_to_substance"]:
            relationships["form_to_substance"][form_id] = []

        # 支撑字段可能是列表或字典
        support_items = []
        if isinstance(support_data, list):
            # 列表格式：[{id, 名称}, ...]
            support_items = support_data
        elif isinstance(support_data, dict):
            # 字典格式：{'具体元素': [...], '具象概念': [...]}
            for _category, items in support_data.items():
                if isinstance(items, list):
                    support_items.extend(items)

        for support_item in support_items:
            if not isinstance(support_item, dict):
                continue

            substance_id = support_item.get('id', '')
            substance_name = support_item.get('名称', '')

            if not substance_id:
                continue

            # 形式点 → 实质点
            relationships["form_to_substance"][form_id].append({
                "substance_id": substance_id,
                "name": substance_name
            })

            # 实质点 ← 形式点（反向）
            if substance_id not in relationships["substance_from_form"]:
                relationships["substance_from_form"][substance_id] = []

            relationships["substance_from_form"][substance_id].append({
                "form_id": form_id,
                "name": form.get('名称', ''),
                "type": dimension_2
            })

    return relationships