#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
aggregate_final_grade.py - 聚合最终成绩脚本
将编程测试、报告评分等各部分成绩聚合为最终成绩
"""

import json
import argparse
from typing import Dict, Any


def parse_args():
    """解析命令行参数"""
    parser = argparse.ArgumentParser(description='Final Grade Aggregation Script')
    parser.add_argument('--programming', required=True, help='编程测试评分结果文件')
    parser.add_argument('--report', required=True, help='REPORT.md评分结果文件')
    parser.add_argument('--frontend', required=True, help='FRONTEND.md评分结果文件')
    parser.add_argument('--out', required=True, help='输出最终成绩文件')
    parser.add_argument('--summary', required=True, help='输出最终成绩摘要文件')
    return parser.parse_args()


def load_grade_file(file_path: str) -> Dict[str, Any]:
    """加载评分结果文件"""
    with open(file_path, 'r', encoding='utf-8') as f:
        return json.load(f)


def aggregate_grades(
    programming_grade: Dict[str, Any],
    report_grade: Dict[str, Any],
    frontend_grade: Dict[str, Any]
) -> Dict[str, Any]:
    """聚合各部分成绩"""
    # 各部分权重配置
    weights = {
        'programming': 0.6,   # 编程测试占60%
        'report': 0.25,        # 报告占25%
        'frontend': 0.15       # 前端报告占15%
    }
    
    # 计算各部分成绩
    programming_score = programming_grade.get('total', 0.0)
    report_score = report_grade.get('total', 0.0)
    frontend_score = frontend_grade.get('total', 0.0)
    
    # 计算加权平均分
    final_score = (
        programming_score * weights['programming'] +
        report_score * weights['report'] +
        frontend_score * weights['frontend']
    )
    
    # 计算各部分的标准化得分（占总分的百分比）
    programming_percentage = (programming_score / 100.0) * weights['programming'] * 100.0
    report_percentage = (report_score / 100.0) * weights['report'] * 100.0
    frontend_percentage = (frontend_score / 100.0) * weights['frontend'] * 100.0
    
    # 生成聚合结果
    result = {
        'final_score': final_score,
        'breakdown': {
            'programming': {
                'score': programming_score,
                'percentage': programming_percentage,
                'weight': weights['programming']
            },
            'report': {
                'score': report_score,
                'percentage': report_percentage,
                'weight': weights['report']
            },
            'frontend': {
                'score': frontend_score,
                'percentage': frontend_percentage,
                'weight': weights['frontend']
            }
        },
        'weights': weights,
        'details': {
            'programming': programming_grade,
            'report': report_grade,
            'frontend': frontend_grade
        },
        'status': 'completed',
        'timestamp': '2025-12-14T18:00:00Z'
    }
    
    return result


def generate_summary(aggregate_result: Dict[str, Any]) -> str:
    """生成最终成绩摘要"""
    summary = "# 最终成绩报告\n\n"
    
    # 总体成绩
    final_score = aggregate_result['final_score']
    summary += f"## 总体成绩\n"
    summary += f"**最终得分**: {final_score:.2f}/100\n\n"
    
    # 成绩分布
    summary += f"## 成绩分布\n"
    summary += "| 部分 | 得分 | 权重 | 占总分百分比 |\n"
    summary += "|------|------|------|------------|\n"
    
    for part, data in aggregate_result['breakdown'].items():
        part_name = {
            'programming': '编程测试',
            'report': '后端与系统设计报告',
            'frontend': '前端界面与交互设计报告'
        }.get(part, part)
        
        summary += f"| {part_name} | {data['score']:.2f} | {data['weight']*100:.0f}% | {data['percentage']:.2f} |\n"
    
    summary += "\n"
    
    # 详细说明
    summary += f"## 详细说明\n"
    
    # 编程测试
    programming = aggregate_result['details']['programming']
    programming_total = programming.get('total', 0.0)
    summary += f"### 编程测试 ({aggregate_result['weights']['programming']*100:.0f}%)\n"
    summary += f"- 原始得分: {programming_total:.2f}/100\n"
    summary += f"- 测试通过率: {len([g for g in programming.get('groups', []) if g['passed'] > 0])}/{len(programming.get('groups', []))} 组\n"
    
    for group in programming.get('groups', []):
        summary += f"  - {group['group_name']}: {group['passed']}/{group['total']} 测试通过\n"
    
    summary += "\n"
    
    # 报告评分
    report = aggregate_result['details']['report']
    report_total = report.get('total', 0.0)
    summary += f"### 后端与系统设计报告 ({aggregate_result['weights']['report']*100:.0f}%)\n"
    summary += f"- 原始得分: {report_total:.2f}/100\n"
    
    if report.get('feedback'):
        summary += f"- 反馈摘要: {report['feedback'][:100]}...\n"
    
    summary += "\n"
    
    # 前端报告评分
    frontend = aggregate_result['details']['frontend']
    frontend_total = frontend.get('total', 0.0)
    summary += f"### 前端界面与交互设计报告 ({aggregate_result['weights']['frontend']*100:.0f}%)\n"
    summary += f"- 原始得分: {frontend_total:.2f}/100\n"
    
    if frontend.get('feedback'):
        summary += f"- 反馈摘要: {frontend['feedback'][:100]}...\n"
    
    summary += "\n"
    
    # 评分等级
    if final_score >= 90:
        grade_level = "优秀"
    elif final_score >= 80:
        grade_level = "良好"
    elif final_score >= 70:
        grade_level = "中等"
    elif final_score >= 60:
        grade_level = "及格"
    else:
        grade_level = "不及格"
    
    summary += f"## 评分等级\n"
    summary += f"根据最终得分 {final_score:.2f}/100，该作业的评分等级为：**{grade_level}**\n"
    
    # 建议
    summary += f"## 改进建议\n"
    summary += "1. 编程测试部分可以进一步提高测试覆盖率\n"
    summary += "2. 报告内容可以更加详细和系统化\n"
    summary += "3. 前端设计可以考虑更多用户体验细节\n"
    
    return summary


def main():
    """主函数"""
    args = parse_args()
    
    # 加载各部分评分结果
    print(f"📁 加载编程测试评分: {args.programming}")
    programming_grade = load_grade_file(args.programming)
    
    print(f"📁 加载报告评分: {args.report}")
    report_grade = load_grade_file(args.report)
    
    print(f"📁 加载前端报告评分: {args.frontend}")
    frontend_grade = load_grade_file(args.frontend)
    
    # 聚合成绩
    print("📊 聚合最终成绩...")
    final_result = aggregate_grades(programming_grade, report_grade, frontend_grade)
    
    # 保存最终成绩
    print(f"💾 保存最终成绩: {args.out}")
    with open(args.out, 'w', encoding='utf-8') as f:
        json.dump(final_result, f, ensure_ascii=False, indent=2)
    
    # 生成摘要
    print(f"📝 生成最终成绩摘要: {args.summary}")
    summary = generate_summary(final_result)
    
    with open(args.summary, 'w', encoding='utf-8') as f:
        f.write(summary)
    
    print(f"✅ 成绩聚合完成! 最终得分: {final_result['final_score']:.2f}/100")


if __name__ == '__main__':
    main()