"""
示例（流程对齐版）

参考 examples/research/run.py：
1. 使用框架 InteractiveController 统一交互流程
2. 使用 config.py 管理运行参数
3. 保留 create 场景特有的 prompt 注入与详细消息打印
"""

import argparse
import asyncio
import copy
import json
import os
import sys
from pathlib import Path
from typing import Any

# Clash Verge TUN 模式兼容：禁止 httpx/urllib 自动检测系统 HTTP 代理
os.environ.setdefault("no_proxy", "*")

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

from dotenv import load_dotenv

load_dotenv()

from agent.cli import InteractiveController
from agent.core.presets import AgentPreset, register_preset
from agent.core.runner import AgentRunner
from agent.llm import create_openrouter_llm_call
from agent.llm.prompts import SimplePrompt
from agent.trace import FileSystemTraceStore, Message, Trace
from agent.utils import setup_logging
from examples.create.html import trace_to_html

# 导入项目配置
from config import DEBUG, LOG_FILE, LOG_LEVEL, RUN_CONFIG, SKILLS_DIR, TRACE_STORE_PATH


def _format_json(obj: Any, indent: int = 2) -> str:
    """格式化 JSON 对象为字符串"""
    try:
        return json.dumps(obj, indent=indent, ensure_ascii=False)
    except (TypeError, ValueError):
        return str(obj)


def _print_message_details(message: Message):
    """完整打印消息的详细信息"""
    print("\n" + "=" * 80)
    print(f"[Message #{message.sequence}] {message.role.upper()}")
    print("=" * 80)

    if message.goal_id:
        print(f"Goal ID: {message.goal_id}")
    if message.parent_sequence is not None:
        print(f"Parent Sequence: {message.parent_sequence}")
    if message.tool_call_id:
        print(f"Tool Call ID: {message.tool_call_id}")

    if message.role == "user":
        print("\n[输入内容]")
        print("-" * 80)
        if isinstance(message.content, str):
            print(message.content)
        else:
            print(_format_json(message.content))
    elif message.role == "assistant":
        content = message.content
        if isinstance(content, dict):
            text = content.get("text", "")
            tool_calls = content.get("tool_calls")

            if text:
                print("\n[LLM 文本回复]")
                print("-" * 80)
                print(text)

            if tool_calls:
                print(f"\n[工具调用] (共 {len(tool_calls)} 个)")
                print("-" * 80)
                for idx, tc in enumerate(tool_calls, 1):
                    func = tc.get("function", {})
                    tool_name = func.get("name", "unknown")
                    tool_id = tc.get("id", "unknown")
                    arguments = func.get("arguments", {})

                    print(f"\n工具 #{idx}: {tool_name}")
                    print(f"  Call ID: {tool_id}")
                    print("  参数:")
                    if isinstance(arguments, str):
                        try:
                            parsed_args = json.loads(arguments)
                            print(_format_json(parsed_args, indent=4))
                        except json.JSONDecodeError:
                            print(f"    {arguments}")
                    else:
                        print(_format_json(arguments, indent=4))
        elif isinstance(content, str):
            print("\n[LLM 文本回复]")
            print("-" * 80)
            print(content)
        else:
            print("\n[内容]")
            print("-" * 80)
            print(_format_json(content))

        if message.finish_reason:
            print(f"\n完成原因: {message.finish_reason}")
    elif message.role == "tool":
        content = message.content
        print("\n[工具执行结果]")
        print("-" * 80)
        if isinstance(content, dict):
            tool_name = content.get("tool_name", "unknown")
            result = content.get("result", content)
            print(f"工具名称: {tool_name}")
            print("\n返回结果:")
            if isinstance(result, str):
                print(result)
            elif isinstance(result, list):
                for idx, item in enumerate(result, 1):
                    if isinstance(item, dict) and item.get("type") == "image_url":
                        print(f"  [{idx}] 图片 (base64, 已省略显示)")
                    else:
                        print(f"  [{idx}] {item}")
            else:
                print(_format_json(result))
        else:
            print(str(content) if content is not None else "(无内容)")
    elif message.role == "system":
        print("\n[系统提示]")
        print("-" * 80)
        if isinstance(message.content, str):
            print(message.content)
        else:
            print(_format_json(message.content))

    if message.prompt_tokens is not None or message.completion_tokens is not None:
        print("\n[Token 使用]")
        print("-" * 80)
        if message.prompt_tokens is not None:
            print(f"  输入 Tokens: {message.prompt_tokens:,}")
        if message.completion_tokens is not None:
            print(f"  输出 Tokens: {message.completion_tokens:,}")
        if message.reasoning_tokens is not None:
            print(f"  推理 Tokens: {message.reasoning_tokens:,}")
        if message.cache_creation_tokens is not None:
            print(f"  缓存创建 Tokens: {message.cache_creation_tokens:,}")
        if message.cache_read_tokens is not None:
            print(f"  缓存读取 Tokens: {message.cache_read_tokens:,}")
        if message.tokens:
            print(f"  总计 Tokens: {message.tokens:,}")

    if message.cost is not None:
        print(f"\n[成本] ${message.cost:.6f}")

    if message.duration_ms is not None:
        print(f"[执行时间] {message.duration_ms}ms")

    print("=" * 80 + "\n")


def _apply_prompt_placeholders(base_dir: Path, prompt: SimplePrompt):
    """把 PRD 文件内容注入 prompt 占位符。"""
    system_md_path = base_dir / "PRD" / "system.md"
    if system_md_path.exists():
        system_content = system_md_path.read_text(encoding="utf-8")
        if "system" in prompt._messages and "{system}" in prompt._messages["system"]:
            prompt._messages["system"] = prompt._messages["system"].replace("{system}", system_content)
    else:
        print(f"   - 警告: system.md 文件不存在: {system_md_path}")

    create_process_md_path = base_dir / "PRD" / "create_process.md"
    if create_process_md_path.exists():
        create_process_content = create_process_md_path.read_text(encoding="utf-8")
        if "system" in prompt._messages and "{create_process}" in prompt._messages["system"]:
            prompt._messages["system"] = prompt._messages["system"].replace("{create_process}", create_process_content)
            print("   - 已替换 create_process.md 内容到 prompt")
        else:
            print("   - 警告: prompt 中未找到 {create_process} 占位符")
    else:
        print(f"   - 警告: create_process.md 文件不存在: {create_process_md_path}")

    input_md_path = base_dir / "PRD" / "input.md"
    if input_md_path.exists():
        user_content = input_md_path.read_text(encoding="utf-8")
        if "user" in prompt._messages and "{input}" in prompt._messages["user"]:
            prompt._messages["user"] = prompt._messages["user"].replace("{input}", user_content)
            print("   - 已替换 input.md 内容到 prompt")
        else:
            print("   - 警告: prompt 中未找到 {input} 占位符")
    else:
        print(f"   - 警告: input.md 文件不存在: {input_md_path}")

    output_md_path = base_dir / "PRD" / "output.md"
    if output_md_path.exists():
        output_content = output_md_path.read_text(encoding="utf-8")
        if "user" in prompt._messages and "{output}" in prompt._messages["user"]:
            prompt._messages["user"] = prompt._messages["user"].replace("{output}", output_content)
            print("   - 已替换 output.md 内容到 prompt")
        else:
            print("   - 警告: prompt 中未找到 {output} 占位符")
    else:
        print(f"   - 警告: output.md 文件不存在: {output_md_path}")


async def main():
    parser = argparse.ArgumentParser(description="任务 (Agent 模式 + 交互增强)")
    parser.add_argument(
        "--trace",
        type=str,
        default=None,
        help="已有的 Trace ID，用于恢复继续执行（不指定则新建）",
    )
    args = parser.parse_args()

    base_dir = Path(__file__).parent
    prompt_path = base_dir / "create.prompt"
    output_dir = base_dir / "output_1"
    output_dir.mkdir(exist_ok=True)

    setup_logging(level=LOG_LEVEL, file=LOG_FILE)

    print("2. 加载 presets...")
    presets_path = base_dir / "presets.json"
    if presets_path.exists():
        with open(presets_path, "r", encoding="utf-8") as f:
            project_presets = json.load(f)
        for name, cfg in project_presets.items():
            register_preset(name, AgentPreset(**cfg))
        print(f"   - 已加载项目 presets: {list(project_presets.keys())}")

    print("3. 加载 prompt...")
    prompt = SimplePrompt(prompt_path)
    _apply_prompt_placeholders(base_dir, prompt)

    print("\n替换后的 prompt:")
    print("=" * 60)
    print("System:")
    print("-" * 60)
    print(prompt._messages.get("system", ""))
    print("=" * 60)
    if "user" in prompt._messages:
        print("\nUser:")
        print("-" * 60)
        print(prompt._messages["user"])
        print("=" * 60)
    print()

    print("4. 构建任务消息...")
    messages = prompt.build_messages()

    print("5. 创建 Agent Runner...")
    print("   - 加载自定义工具: topic_search")
    import examples.create.tool  # noqa: F401

    model_from_prompt = prompt.config.get("model")
    model_from_config = RUN_CONFIG.model
    default_model = f"anthropic/{model_from_config}" if "/" not in model_from_config else model_from_config
    model = model_from_prompt or default_model

    skills_dir = str((base_dir / SKILLS_DIR).resolve()) if not Path(SKILLS_DIR).is_absolute() else SKILLS_DIR
    print(f"   - Skills 目录: {skills_dir}")
    print(f"   - 模型: {model}")

    store = FileSystemTraceStore(base_path=TRACE_STORE_PATH)
    runner = AgentRunner(
        trace_store=store,
        llm_call=create_openrouter_llm_call(model=model),
        skills_dir=skills_dir,
        debug=DEBUG,
    )

    interactive = InteractiveController(
        runner=runner,
        store=store,
        enable_stdin_check=True,
    )

    task_name = RUN_CONFIG.name or base_dir.name
    print("=" * 60)
    print(task_name)
    print("=" * 60)
    print("💡 交互提示：")
    print("   - 执行过程中输入 'p' 或 'pause' 暂停并进入交互模式")
    print("   - 执行过程中输入 'q' 或 'quit' 停止执行")
    print("=" * 60)
    print()

    resume_trace_id = args.trace
    if resume_trace_id:
        existing_trace = await store.get_trace(resume_trace_id)
        if not existing_trace:
            print(f"\n错误: Trace 不存在: {resume_trace_id}")
            sys.exit(1)
        print(f"恢复已有 Trace: {resume_trace_id[:8]}...")
        print(f"   - 状态: {existing_trace.status}")
        print(f"   - 消息数: {existing_trace.total_messages}")
    else:
        print("启动新 Agent...")
    print()

    final_response = ""
    current_trace_id = resume_trace_id
    current_sequence = 0
    should_exit = False

    try:
        run_config = copy.deepcopy(RUN_CONFIG)
        run_config.model = model
        run_config.temperature = float(prompt.config.get("temperature", run_config.temperature))
        run_config.max_iterations = int(prompt.config.get("max_iterations", run_config.max_iterations))

        if resume_trace_id:
            initial_messages = None
            run_config.trace_id = resume_trace_id
        else:
            initial_messages = messages
            run_config.name = "社交媒体内容解构、建构、评估任务"

        while not should_exit:
            if current_trace_id:
                run_config.trace_id = current_trace_id

            final_response = ""

            if current_trace_id and initial_messages is None:
                check_trace = await store.get_trace(current_trace_id)
                if check_trace and check_trace.status in ("completed", "failed"):
                    if check_trace.status == "completed":
                        print("\n[Trace] ✅ 已完成")
                        print(f"  - Total messages: {check_trace.total_messages}")
                        print(f"  - Total cost: ${check_trace.total_cost:.4f}")
                    else:
                        print(f"\n[Trace] ❌ 已失败: {check_trace.error_message}")
                    current_sequence = check_trace.head_sequence

                    menu_result = await interactive.show_menu(current_trace_id, current_sequence)
                    if menu_result["action"] == "stop":
                        break
                    if menu_result["action"] == "continue":
                        new_messages = menu_result.get("messages", [])
                        if new_messages:
                            initial_messages = new_messages
                            run_config.after_sequence = menu_result.get("after_sequence")
                        else:
                            initial_messages = []
                            run_config.after_sequence = None
                        continue
                    break

                initial_messages = []

            print(f"{'▶️ 开始执行...' if not current_trace_id else '▶️ 继续执行...'}")

            paused = False
            try:
                async for item in runner.run(messages=initial_messages, config=run_config):
                    cmd = interactive.check_stdin()
                    if cmd == "pause":
                        print("\n⏸️ 正在暂停执行...")
                        if current_trace_id:
                            await runner.stop(current_trace_id)
                        await asyncio.sleep(0.5)

                        menu_result = await interactive.show_menu(current_trace_id, current_sequence)
                        if menu_result["action"] == "stop":
                            should_exit = True
                            paused = True
                            break
                        if menu_result["action"] == "continue":
                            new_messages = menu_result.get("messages", [])
                            if new_messages:
                                initial_messages = new_messages
                                after_seq = menu_result.get("after_sequence")
                                if after_seq is not None:
                                    run_config.after_sequence = after_seq
                            else:
                                initial_messages = []
                                run_config.after_sequence = None
                            paused = True
                            break

                    elif cmd == "quit":
                        print("\n🛑 用户请求停止...")
                        if current_trace_id:
                            await runner.stop(current_trace_id)
                        should_exit = True
                        break

                    if isinstance(item, Trace):
                        current_trace_id = item.trace_id
                        if item.status == "running":
                            print(f"[Trace] 开始: {item.trace_id[:8]}...")
                        elif item.status == "completed":
                            print("\n[Trace] ✅ 完成")
                            print(f"  - Total messages: {item.total_messages}")
                            print(f"  - Total tokens: {item.total_tokens}")
                            print(f"  - Total cost: ${item.total_cost:.4f}")
                        elif item.status == "failed":
                            print(f"\n[Trace] ❌ 失败: {item.error_message}")
                        elif item.status == "stopped":
                            print("\n[Trace] ⏸️ 已停止")
                    elif isinstance(item, Message):
                        current_sequence = item.sequence
                        _print_message_details(item)

                        if item.role == "assistant":
                            content = item.content
                            if isinstance(content, dict):
                                text = content.get("text", "")
                                tool_calls = content.get("tool_calls")
                                if text and not tool_calls:
                                    final_response = text
            except Exception as e:
                print(f"\n执行出错: {e}")
                import traceback

                traceback.print_exc()

            if paused:
                if should_exit:
                    break
                continue

            if should_exit:
                break

            if current_trace_id:
                menu_result = await interactive.show_menu(current_trace_id, current_sequence)
                if menu_result["action"] == "stop":
                    break
                if menu_result["action"] == "continue":
                    new_messages = menu_result.get("messages", [])
                    if new_messages:
                        initial_messages = new_messages
                        run_config.after_sequence = menu_result.get("after_sequence")
                    else:
                        initial_messages = []
                        run_config.after_sequence = None
                    continue
            break

    except KeyboardInterrupt:
        print("\n\n用户中断 (Ctrl+C)")
        if current_trace_id:
            await runner.stop(current_trace_id)
    finally:
        if current_trace_id:
            try:
                html_path = store.base_path / current_trace_id / "messages.html"
                await trace_to_html(current_trace_id, html_path, base_path=str(store.base_path))
                print(f"\n✓ Messages 可视化已保存: {html_path}")
            except Exception as e:
                print(f"\n⚠ 生成 HTML 失败: {e}")

    if final_response:
        print()
        print("=" * 60)
        print("Agent 响应:")
        print("=" * 60)
        print(final_response)
        print("=" * 60)
        print()

        output_file = output_dir / "result.txt"
        with open(output_file, "w", encoding="utf-8") as f:
            f.write(final_response)

        print(f"✓ 结果已保存到: {output_file}")
        print()

    if current_trace_id:
        html_path = store.base_path / current_trace_id / "messages.html"
        print("=" * 60)
        print("可视化:")
        print("=" * 60)
        print(f"1. 本地 HTML: {html_path}")
        print()
        print("2. API Server:")
        print("   python3 api_server.py")
        print("   http://localhost:8000/api/traces")
        print()
        print(f"3. Trace ID: {current_trace_id}")
        print("=" * 60)


if __name__ == "__main__":
    asyncio.run(main())