"""
PregoPal - 今日简报生成器插件
=============================
汇总所有分析结果，生成结构化今日简报 JSON。
"""

import json
import datetime
from pathlib import Path
from plugins.base import LoopPlugin, PluginResult, LoopStage, LoopContext

PRESETS_DIR = Path("data/presets")


class BriefingGeneratorPlugin(LoopPlugin):
    """汇总分析为结构化 JSON 简报"""

    def stage(self) -> LoopStage:
        return LoopStage.BRIEF

    def name(self) -> str:
        return "briefing_generator"

    async def run(self, ctx: LoopContext) -> PluginResult:
        today = datetime.date.today().isoformat()

        # 构建简报
        briefing = {
            "date": today,
            "generated_at": datetime.datetime.now().isoformat(),
            "trimester": ctx.briefing.get("trimester", "孕中期"),
            "weight_check": {
                "need_ask": ctx.briefing.get("need_ask_weight", False),
                "message": ctx.briefing.get("weight_quiz_message", ""),
                "evaluation": ctx.briefing.get("weight_evaluation", {}),
            },
            "recipe_check": {
                "need_ask": ctx.briefing.get("need_ask_recipe", False),
                "message": ctx.briefing.get("recipe_quiz_message", ""),
                "available_recipes": [r.get("name", "") for r in ctx.family_recipes],
            },
            "yesterday_diet": ctx.briefing.get("yesterday_diet", {}),
            "nutrient_focus": ctx.briefing.get("dri_analysis", {}).get("focus_nutrients", []),
            "recommended_foods": ctx.briefing.get("recommended_foods", []),
            "dri_summary": ctx.briefing.get("dri_analysis", {}).get("summary", ""),
            "family_memory": ctx.briefing.get("family_memory", {}),
            "conversation_topics": self._generate_topics(ctx),
            "thinking_keywords": "简报已生成",
        }

        ctx.briefing = briefing

        return PluginResult(
            success=True,
            data=briefing,
            message=f"今日简报已生成（{today}）"
        )

    def _generate_topics(self, ctx: LoopContext) -> list[str]:
        """生成建议的对话话题"""
        topics = []

        # 根据营养分析生成话题
        focus = ctx.briefing.get("dri_analysis", {}).get("focus_nutrients", [])
        if focus:
            topics.append(f"今天想吃什么来补充{'、'.join(focus[:2])}？")

        # 根据体重检查生成话题
        if ctx.briefing.get("need_ask_weight"):
            topics.append("今天称体重了吗？")

        # 根据菜谱检查生成话题
        if ctx.briefing.get("need_ask_recipe"):
            topics.append("家里人会做什么菜呢？可以告诉我，我帮你们规划食谱！")

        if not topics:
            topics.append("今天感觉怎么样？有什么想吃的吗？")

        return topics