from __future__ import annotations

from typing import Any, Dict, List, Optional, Tuple
from utils.tool_result_formatter.common import (
    _format_failure, _preview_text, _summarize_output_block, _summarize_todo_tasks
)

def _format_conversation_search(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("conversation_search", result_data)
    results = result_data.get("results") or []
    header = f"找到 {len(results)} 个当前工作区内的历史对话"
    filters: List[str] = []
    keywords = result_data.get("keywords")
    if isinstance(keywords, list):
        normalized_keywords = [str(item).strip() for item in keywords if str(item or "").strip()]
    else:
        normalized_keywords = []
    if normalized_keywords:
        filters.append(f"关键词：{' / '.join(normalized_keywords)}")
    elif result_data.get("query"):
        filters.append(f"关键词：{result_data.get('query')}")
    if result_data.get("start_date") or result_data.get("end_date"):
        filters.append(f"日期：{result_data.get('start_date') or '不限'} ~ {result_data.get('end_date') or '不限'}")
    if result_data.get("excluded_conversation_id"):
        filters.append("已排除当前对话")
    if filters:
        header += "（" + "；".join(filters) + "）"
    if not results:
        return header + "\n未找到匹配对话。"
    lines = [header]
    for idx, item in enumerate(results, start=1):
        lines.append(f"{idx}. {item.get('id')}")
        lines.append(f"   标题：{item.get('title') or '未命名对话'}")
        if item.get("total_messages") is not None or item.get("total_tools") is not None:
            lines.append(
                f"   规模：{int(item.get('total_messages') or 0)} 条消息，{int(item.get('total_tools') or 0)} 个工具"
            )
        if item.get("first_user_message"):
            lines.append(f"   首条用户消息：{item.get('first_user_message')}")
        if item.get("created_at"):
            lines.append(f"   创建时间：{item.get('created_at')}")
        if item.get("updated_at"):
            lines.append(f"   更新时间：{item.get('updated_at')}")
    return "\n".join(lines)

def _format_conversation_review(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("conversation_review", result_data)
    if result_data.get("mode") == "read" and result_data.get("content"):
        lines = ["对话回顾内容："]
        if result_data.get("title"):
            lines.append(f"标题：{result_data.get('title')}")
        if result_data.get("char_count") is not None:
            lines.append(f"字符数：{result_data.get('char_count')}")
        lines.append("")
        lines.append(str(result_data.get("content") or ""))
        return "\n".join(lines)
    path = result_data.get("path") or ""
    if result_data.get("too_long"):
        lines = [
            f"对话回顾内容太长（{result_data.get('char_count')} 字符），已保存到文件：",
            str(path),
            "请使用 read_file 分段或查找阅读该文件。",
        ]
        if result_data.get("title"):
            lines.insert(1, f"标题：{result_data.get('title')}")
        return "\n".join(lines)
    lines = [
        "已生成对话回顾文件：",
        str(path),
    ]
    if result_data.get("title"):
        lines.append(f"标题：{result_data.get('title')}")
    if result_data.get("char_count") is not None:
        lines.append(f"字符数：{result_data.get('char_count')}")
    lines.append("请使用 read_file 读取该文件。")
    return "\n".join(lines)

def _format_todo_create(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("todo_create", result_data)
    todo = (result_data.get("todo_list") or {}).copy()
    overview = todo.get("overview") or "未命名任务"
    total = len(todo.get("tasks") or [])
    return f"已创建 TODO：{overview}（共 {total} 项）"

def _format_todo_update_task(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("todo_update_task", result_data)
    message = result_data.get("message") or "任务状态已更新"
    todo = result_data.get("todo_list") or {}
    tasks = todo.get("tasks") or []
    total = len(tasks)
    done = sum(1 for t in tasks if t.get("status") == "done")
    progress_note = f"进度 {done}/{total}" if total else ""
    return f"{message}；{progress_note}".strip("；")

def _format_update_memory(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("update_memory", result_data)
    operation = result_data.get("operation") or "write"
    idx = result_data.get("index")
    count = result_data.get("count")
    if operation == "append":
        suffix = f"（共 {count} 条）" if count is not None else ""
        return f"记忆已追加新条目{suffix}"
    if operation == "replace":
        return f"记忆第 {idx} 条已替换。"
    if operation == "delete":
        suffix = f"（剩余 {count} 条）" if count is not None else ""
        return f"记忆第 {idx} 条已删除{suffix}"
    return f"记忆已更新。"

def _format_sub_agent_stats(stats: Optional[Dict[str, Any]]) -> str:
    if not isinstance(stats, dict):
        return ""

    def _to_int(value: Any) -> int:
        try:
            return max(0, int(value))
        except (TypeError, ValueError):
            return 0

    api_calls = _to_int(stats.get("api_calls") or stats.get("api_call_count") or stats.get("turn_count"))
    files_read = _to_int(stats.get("files_read"))
    edit_files = _to_int(stats.get("edit_files"))
    searches = _to_int(stats.get("searches"))
    web_pages = _to_int(stats.get("web_pages"))
    commands = _to_int(stats.get("commands"))
    lines = [
        f"调用了{api_calls}次",
        f"阅读了{files_read}次文件",
        f"编辑了{edit_files}次文件",
        f"搜索了{searches}次内容",
        f"查看了{web_pages}个网页",
        f"运行了{commands}个指令",
    ]
    return "\n".join(lines)

def _format_create_sub_agent(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("create_sub_agent", result_data)
    agent_id = result_data.get("agent_id")
    task_id = result_data.get("task_id")
    status = result_data.get("status")
    refs = result_data.get("copied_references") or []
    ref_note = f"，附带 {len(refs)} 份参考文件" if refs else ""
    deliver_dir = result_data.get("deliverables_dir")
    deliver_note = f"，交付目录: {deliver_dir}" if deliver_dir else ""
    header = f"子智能体 #{agent_id} 已创建（task_id={task_id}，状态 {status}{ref_note}{deliver_note}）。"
    stats_text = _format_sub_agent_stats(
        result_data.get("stats") or (result_data.get("final_result") or {}).get("stats")
    )
    summary = result_data.get("message") or result_data.get("summary")
    elapsed_seconds = result_data.get("runtime_seconds")
    if elapsed_seconds is None:
        elapsed_seconds = result_data.get("elapsed_seconds")
    lines = [header]
    if stats_text:
        lines.append(stats_text)
    if status == "completed" and isinstance(elapsed_seconds, (int, float)):
        lines.append(f"运行了{int(round(elapsed_seconds))}秒")
    if summary and status in {"completed", "failed", "timeout", "terminated"}:
        lines.append(str(summary))
    return "\n".join(lines)

def _format_wait_sub_agent(result_data: Dict[str, Any]) -> str:
    task_id = result_data.get("task_id")
    agent_id = result_data.get("agent_id")
    status = result_data.get("status")
    stats_value = result_data.get("stats")
    if not isinstance(stats_value, dict) and status == "timeout":
        stats_value = {}
    stats_text = _format_sub_agent_stats(stats_value)
    elapsed_seconds = result_data.get("runtime_seconds")
    if elapsed_seconds is None:
        elapsed_seconds = result_data.get("elapsed_seconds")
    if result_data.get("success"):
        copied_path = result_data.get("copied_path") or result_data.get("deliverables_path")
        message = result_data.get("message") or "子智能体任务已完成。"
        deliver_note = f"交付已复制到 {copied_path}" if copied_path else "交付目录已生成"
        lines = [f"子智能体 #{agent_id}/{task_id} 完成"]
        if stats_text:
            lines.append(stats_text)
        if isinstance(elapsed_seconds, (int, float)):
            lines.append(f"运行了{int(round(elapsed_seconds))}秒")
        lines.append(message)
        lines.append(deliver_note)
        return "\n".join(lines)
    message = result_data.get("message") or result_data.get("error") or "子智能体任务失败"
    lines = [f"⚠️ 子智能体 #{agent_id}/{task_id} 状态 {status}"]
    if stats_text:
        lines.append(stats_text)
    lines.append(message)
    return "\n".join(lines)

def _format_get_sub_agent_status(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("get_sub_agent_status", result_data)
    results = result_data.get("results") or []
    if not results:
        return "未找到子智能体状态。"
    blocks = []
    for item in results:
        agent_id = item.get("agent_id")
        if not item.get("found"):
            blocks.append(f"子智能体 #{agent_id} 不存在。")
            continue
        status = item.get("status")
        summary = None
        final_result = item.get("final_result") or {}
        elapsed_seconds = None
        if isinstance(final_result, dict):
            summary = final_result.get("message") or final_result.get("summary")
            elapsed_seconds = final_result.get("runtime_seconds")
            if elapsed_seconds is None:
                elapsed_seconds = final_result.get("elapsed_seconds")
        if not summary:
            summary = item.get("summary") or ""
        stats_text = _format_sub_agent_stats(item.get("stats"))

        if status == "completed":
            lines = [f"子智能体 #{agent_id} 已完成"]
        elif status == "terminated":
            lines = [f"子智能体 #{agent_id} 已终止"]
        elif status in {"failed", "timeout"}:
            lines = [f"⚠️ 子智能体 #{agent_id} 状态 {status}"]
        else:
            lines = [f"子智能体 #{agent_id} 状态: {status}"]
        if stats_text:
            lines.append(stats_text)
        if status == "completed" and isinstance(elapsed_seconds, (int, float)):
            lines.append(f"运行了{int(round(elapsed_seconds))}秒")
        if summary:
            lines.append(str(summary))
        blocks.append("\n".join(lines))
    return "\n\n".join(blocks)

def _format_close_sub_agent(result_data: Dict[str, Any]) -> str:
    if not result_data.get("success"):
        return _format_failure("close_sub_agent", result_data)
    message = result_data.get("message") or "子智能体已关闭。"
    task_id = result_data.get("task_id")
    status = result_data.get("status")
    status_note = f"（状态 {status}）" if status else ""
    return f"{message}{status_note}（task_id={task_id}）"