"""
爽文工作流 Tool 注册。
"""
from __future__ import annotations

import json

from typing import Any, Dict, Optional

try:
    from backend.models.agent import TurnContext
    from backend.services.fiction_chapter_service import run_chapter
    from backend.services.fiction_coarse_service import run_coarse_outline
    from backend.services.fiction_event_plan_service import run_event_plan
    from backend.services.fiction_open_book_service import run_open_book
    from backend.services.tool_registry import ToolRegistry
except ImportError:
    from models.agent import TurnContext
    from services.fiction_chapter_service import run_chapter
    from services.fiction_coarse_service import run_coarse_outline
    from services.fiction_event_plan_service import run_event_plan
    from services.fiction_open_book_service import run_open_book
    from services.tool_registry import ToolRegistry


async def fiction_open_book(ctx: TurnContext) -> None:
    """fiction.open_book — 根据用户灵感优化开书方案（不创建书籍目录）。"""
    request = ctx.request_data or {}
    inspiration = str(request.get("inspiration") or request.get("intro") or "").strip()
    profile_id = request.get("profile_id") or request.get("profileId")
    api_config = request.get("api_config") or request.get("apiConfig")

    result = await run_open_book(
        inspiration,
        profile_id=profile_id,
        api_config=api_config,
    )
    payload = result.model_dump()
    ctx.request_data["fictionOpenBookResult"] = payload
    ctx.generated_content = json.dumps(payload, ensure_ascii=False)


async def fiction_coarse(ctx: TurnContext) -> None:
    """fiction.coarse — 生成本书粗纲事件链，写入 metadata.json。"""
    request = ctx.request_data or {}
    book_id = str(request.get("book_id") or request.get("bookId") or "").strip()
    if not book_id:
        raise ValueError("book_id 不能为空")

    profile_id = request.get("profile_id") or request.get("profileId")
    api_config = request.get("api_config") or request.get("apiConfig")

    result = await run_coarse_outline(
        book_id,
        profile_id=profile_id,
        api_config=api_config,
    )
    payload = result.model_dump()
    ctx.request_data["fictionCoarseResult"] = payload
    ctx.generated_content = json.dumps(payload, ensure_ascii=False)


async def fiction_event_plan(ctx: TurnContext) -> None:
    """fiction.event_plan — 为粗纲事件生成 flowStepsPlan + chapterPlan。"""
    request = ctx.request_data or {}
    book_id = str(request.get("book_id") or request.get("bookId") or "").strip()
    if not book_id:
        raise ValueError("book_id 不能为空")

    profile_id = request.get("profile_id") or request.get("profileId")
    api_config = request.get("api_config") or request.get("apiConfig")
    event_id = request.get("event_id") or request.get("eventId")

    result = await run_event_plan(
        book_id,
        profile_id=profile_id,
        api_config=api_config,
        event_id=event_id,
    )
    payload = result.model_dump()
    ctx.request_data["fictionEventPlanResult"] = payload
    ctx.generated_content = json.dumps(payload, ensure_ascii=False)


async def fiction_chapter(ctx: TurnContext) -> None:
    """fiction.chapter — 根据 chapterPlan brief 撰写正文，写入 chapters/{seq}.json。"""
    request = ctx.request_data or {}
    book_id = str(request.get("book_id") or request.get("bookId") or "").strip()
    if not book_id:
        raise ValueError("book_id 不能为空")

    profile_id = request.get("profile_id") or request.get("profileId")
    api_config = request.get("api_config") or request.get("apiConfig")
    seq = request.get("seq") or request.get("chapterSeq")

    result = await run_chapter(
        book_id,
        profile_id=profile_id,
        api_config=api_config,
        seq=int(seq) if seq is not None else None,
    )
    payload = result.model_dump()
    ctx.request_data["fictionChapterResult"] = payload
    ctx.generated_content = json.dumps(payload, ensure_ascii=False)


def register_fiction_tools(registry: ToolRegistry) -> None:
    registry.register(
        "fiction.open_book",
        fiction_open_book,
        description="根据用户创作灵感优化爽文开书方案，返回 guide 草稿与推荐情绪流",
        parameters={
            "type": "object",
            "properties": {
                "inspiration": {"type": "string", "description": "用户创作灵感/简介"},
                "profile_id": {"type": "string", "description": "API 配置 profile ID"},
                "api_config": {
                    "type": "object",
                    "description": "可选 inline API 配置",
                },
            },
            "required": ["inspiration"],
        },
    )
    registry.register(
        "fiction.coarse",
        fiction_coarse,
        description="根据本书 guide 与 L1 全局指南生成粗纲，写入 metadata.coarseOutline",
        parameters={
            "type": "object",
            "properties": {
                "book_id": {"type": "string", "description": "书籍 ID"},
                "profile_id": {"type": "string", "description": "API 配置 profile ID"},
                "api_config": {"type": "object", "description": "可选 inline API 配置"},
            },
            "required": ["book_id"],
        },
    )
    registry.register(
        "fiction.event_plan",
        fiction_event_plan,
        description="为粗纲事件随机选情绪流并生成 flowStepsPlan + chapterPlan",
        parameters={
            "type": "object",
            "properties": {
                "book_id": {"type": "string", "description": "书籍 ID"},
                "event_id": {
                    "type": "string",
                    "description": "可选，仅规划指定粗纲事件；缺省则规划全部",
                },
                "profile_id": {"type": "string", "description": "API 配置 profile ID"},
                "api_config": {"type": "object", "description": "可选 inline API 配置"},
            },
            "required": ["book_id"],
        },
    )


    registry.register(
        "fiction.chapter",
        fiction_chapter,
        description="根据 chapterPlan brief 撰写章节正文，写入 chapters 目录",
        parameters={
            "type": "object",
            "properties": {
                "book_id": {"type": "string", "description": "书籍 ID"},
                "seq": {
                    "type": "integer",
                    "description": "可选，指定章节序号；缺省则写下一未写章",
                },
                "profile_id": {"type": "string", "description": "API 配置 profile ID"},
                "api_config": {"type": "object", "description": "可选 inline API 配置"},
            },
            "required": ["book_id"],
        },
    )


# 模块加载时注册到默认 registry
try:
    from services.tool_registry import default_tool_registry

    register_fiction_tools(default_tool_registry)
except Exception:
    pass