#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
批量创建任务
从JSON定义文件批量创建任务
用法:
    python scripts/tools/batch_create_tasks.py tasks/batch_definitions/basic_processing_tasks.json
"""

import json
import os
import sys
from pathlib import Path

# 添加项目根目录到路径
project_root = Path(__file__).parent.parent.parent
sys.path.insert(0, str(project_root))

from scripts.tools.init_task import init_task


def batch_create_tasks(definition_file, project_root=".", force=False, skip_existing=True):
    """
    批量创建任务
    
    Args:
        definition_file: 任务定义JSON文件路径
        project_root: 项目根目录
        force: 是否强制覆盖已存在的任务
        skip_existing: 是否跳过已存在的任务（与force互斥）
    """
    # 读取任务定义
    with open(definition_file, 'r', encoding='utf-8') as f:
        data = json.load(f)
    
    tasks = data.get("tasks", [])
    category = data.get("category", "unknown")
    tutorial_source = data.get("tutorial_source", "")
    
    print("=" * 60)
    print(f"📚 批量创建任务: {category}")
    if tutorial_source:
        print(f"   教程来源: {tutorial_source}")
    print(f"   任务数量: {len(tasks)}")
    print("=" * 60)
    
    results = {
        "success": [],
        "skipped": [],
        "failed": []
    }
    
    for i, task_def in enumerate(tasks, 1):
        task_id = task_def["id"]
        print(f"\n[{i}/{len(tasks)}] 处理任务: {task_id}")
        print("-" * 60)
        
        # 检查是否已存在
        task_dir = os.path.join(project_root, "tasks", task_id)
        if os.path.exists(task_dir) and not force:
            if skip_existing:
                print(f"⏭️  跳过（已存在）: {task_id}")
                results["skipped"].append(task_id)
                continue
            else:
                print(f"⚠️  任务已存在: {task_id}")
                print("   使用 --force 强制覆盖，或设置 skip_existing=True")
                results["failed"].append((task_id, "已存在"))
                continue
        
        try:
            # 调用 init_task 创建任务结构
            success = init_task(
                task_id=task_id,
                project_root=project_root,
                force=force,
                category=task_def.get("category", category),
                difficulty=task_def.get("difficulty", "easy"),
                instruction=task_def.get("instruction", "")
            )
            
            if not success:
                results["failed"].append((task_id, "初始化失败"))
                continue
            
            # 更新 task.json
            task_json_path = os.path.join(task_dir, "task.json")
            if os.path.exists(task_json_path):
                with open(task_json_path, 'r', encoding='utf-8') as f:
                    task_config = json.load(f)
                
                # 更新输入输出配置
                source_file = task_def.get("source_file", "DEMO01.MDI")
                if not os.path.isabs(source_file) and not source_file.startswith("../"):
                    source_file = f"../../data/source/{source_file}"
                
                filename = os.path.basename(source_file)
                inject_to = f"C:\\Users\\lzy\\Desktop\\{filename}"
                
                output_filename = task_def.get("output_filename", "result.txt")
                collect_from = f"C:\\Users\\lzy\\Desktop\\{output_filename}"
                
                task_config["input"] = {
                    "source_file": source_file,
                    "inject_to": inject_to
                }
                task_config["output"] = {
                    "expected_file": output_filename,
                    "collect_from": collect_from
                }
                
                # 更新评测方法
                eval_method = task_def.get("evaluation_method", "xrd_data_compare")
                task_config["evaluation"]["method"] = eval_method
                
                # 添加教程来源
                if task_def.get("tutorial_source"):
                    task_config["tutorial_source"] = task_def["tutorial_source"]
                
                # 添加备注
                if task_def.get("notes"):
                    task_config["notes"] = task_def["notes"]
                
                # 保存
                with open(task_json_path, 'w', encoding='utf-8') as f:
                    json.dump(task_config, f, ensure_ascii=False, indent=2)
                
                print(f"✅ 任务创建成功: {task_id}")
                results["success"].append(task_id)
            else:
                print(f"❌ task.json 未创建: {task_json_path}")
                results["failed"].append((task_id, "配置文件未创建"))
                
        except Exception as e:
            print(f"❌ 创建任务失败: {task_id}")
            print(f"   错误: {e}")
            import traceback
            traceback.print_exc()
            results["failed"].append((task_id, str(e)))
    
    # 打印总结
    print("\n" + "=" * 60)
    print("📊 批量创建总结")
    print("=" * 60)
    print(f"✅ 成功: {len(results['success'])}")
    if results["success"]:
        for task_id in results["success"]:
            print(f"   - {task_id}")
    
    if results["skipped"]:
        print(f"\n⏭️  跳过: {len(results['skipped'])}")
        for task_id in results["skipped"]:
            print(f"   - {task_id}")
    
    if results["failed"]:
        print(f"\n❌ 失败: {len(results['failed'])}")
        for task_id, reason in results["failed"]:
            print(f"   - {task_id}: {reason}")
    
    print("=" * 60)
    
    return results


def main():
    import argparse
    
    parser = argparse.ArgumentParser(
        description="批量创建任务",
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog="""
使用示例:
  # 批量创建任务（跳过已存在的）
  python scripts/tools/batch_create_tasks.py tasks/batch_definitions/basic_processing_tasks.json
  
  # 强制覆盖已存在的任务
  python scripts/tools/batch_create_tasks.py tasks/batch_definitions/basic_processing_tasks.json --force
  
  # 不跳过已存在的任务（遇到已存在就失败）
  python scripts/tools/batch_create_tasks.py tasks/batch_definitions/basic_processing_tasks.json --no-skip-existing
        """
    )
    
    parser.add_argument("definition_file", help="任务定义JSON文件路径")
    parser.add_argument("--project-root", default=".", help="项目根目录")
    parser.add_argument("--force", action="store_true", help="强制覆盖已存在的任务")
    parser.add_argument("--no-skip-existing", action="store_true", help="不跳过已存在的任务（遇到就失败）")
    
    args = parser.parse_args()
    
    if not os.path.exists(args.definition_file):
        print(f"❌ 定义文件不存在: {args.definition_file}")
        sys.exit(1)
    
    skip_existing = not args.no_skip_existing
    
    results = batch_create_tasks(
        args.definition_file,
        args.project_root,
        force=args.force,
        skip_existing=skip_existing
    )
    
    # 如果有失败的任务，返回非0退出码
    if results["failed"]:
        sys.exit(1)
    else:
        sys.exit(0)


if __name__ == "__main__":
    main()