"use strict";
const common_vendor = require("../../common/vendor.js");
const tongji_utils_aiStreamRequest = require("../utils/aiStreamRequest.js");
const DIET_AI_PREFILL_KEY = "tongji_diet_ai_prefill";
const emptyDietAiRecommend = () => ({
  breakfast: "",
  drinks: "",
  lunch: "",
  dinner: "",
  tips: "",
  avoid: [],
  analysis: [],
  exercise: null,
  disclaimer: "",
  rules_summary: "",
  source: "",
  date: ""
});
function useDietAi(proxy, { diagnosisId, showUserToast, formatUserMessage }) {
  const dietAiRecommend = common_vendor.ref(emptyDietAiRecommend());
  const dietAiLoading = common_vendor.ref(false);
  const dietAiStreaming = common_vendor.ref(false);
  const dietAiReplacing = common_vendor.ref(false);
  const dietAiStreamField = common_vendor.ref("");
  let dietStreamBuffer = "";
  const dietAiAskText = common_vendor.ref("");
  const dietAiAsking = common_vendor.ref(false);
  const dietAiAskResult = common_vendor.ref({ advice: "", level: "", level_label: "", portion: "", food: "" });
  const hasDietAiMealContent = common_vendor.computed(() => {
    const r = dietAiRecommend.value;
    return !!(r.breakfast || r.drinks || r.lunch || r.dinner || r.tips);
  });
  function detectDietStreamField(text) {
    const tail = String(text || "").match(/(?:^|\n)(早餐|喝的|午餐|晚餐|提示|少碰)[：:]\s*([^\n]*)$/);
    if (!tail)
      return "breakfast";
    const map = { "早餐": "breakfast", "喝的": "drinks", "午餐": "lunch", "晚餐": "dinner", "提示": "tips", "少碰": "tips" };
    return map[tail[1]] || "breakfast";
  }
  function mergePartialDietFromStream() {
    const partial = tongji_utils_aiStreamRequest.parsePartialDietPlainText(dietStreamBuffer);
    const next = { ...dietAiRecommend.value };
    for (const key of ["breakfast", "drinks", "lunch", "dinner", "tips"]) {
      if (partial[key] != null)
        next[key] = partial[key];
    }
    if (Array.isArray(partial.avoid))
      next.avoid = partial.avoid;
    dietAiRecommend.value = next;
    dietAiStreamField.value = detectDietStreamField(dietStreamBuffer);
  }
  function applyDietRecommendPayload(payload) {
    if (!payload)
      return;
    const prevAnalysis = dietAiRecommend.value.analysis;
    const prevExercise = dietAiRecommend.value.exercise;
    dietAiRecommend.value = {
      ...emptyDietAiRecommend(),
      ...payload,
      avoid: Array.isArray(payload.avoid) ? payload.avoid : [],
      analysis: Array.isArray(payload.analysis) && payload.analysis.length ? payload.analysis : Array.isArray(prevAnalysis) ? prevAnalysis : [],
      exercise: payload.exercise && typeof payload.exercise === "object" ? payload.exercise : prevExercise || null
    };
  }
  function resolveDietDonePayload(payload) {
    if (!payload)
      return payload;
    if (payload.source !== "rule" || !dietStreamBuffer)
      return payload;
    const streamed = tongji_utils_aiStreamRequest.parsePartialDietPlainText(dietStreamBuffer);
    if (!streamed.breakfast)
      return payload;
    return {
      ...emptyDietAiRecommend(),
      ...payload,
      breakfast: streamed.breakfast,
      drinks: streamed.drinks || payload.drinks || "",
      lunch: streamed.lunch || payload.lunch || "",
      dinner: streamed.dinner || payload.dinner || "",
      tips: streamed.tips || payload.tips || "",
      avoid: Array.isArray(streamed.avoid) && streamed.avoid.length ? streamed.avoid : payload.avoid || [],
      source: "ai",
      disclaimer: "AI 建议供参考，仍请结合医嘱与血糖监测。"
    };
  }
  function onDietAiStreamEvent(event, payload) {
    if (event === "analysis") {
      if (Array.isArray(payload == null ? void 0 : payload.analysis)) {
        dietAiRecommend.value = { ...dietAiRecommend.value, analysis: payload.analysis };
      }
    } else if (event === "exercise") {
      if ((payload == null ? void 0 : payload.exercise) && typeof payload.exercise === "object") {
        dietAiRecommend.value = { ...dietAiRecommend.value, exercise: payload.exercise };
      }
    } else if (event === "delta") {
      dietAiStreaming.value = true;
      if (payload.buffer != null) {
        dietStreamBuffer = payload.buffer;
      } else {
        dietStreamBuffer += payload.text || "";
      }
      mergePartialDietFromStream();
    } else if (event === "done") {
      applyDietRecommendPayload(resolveDietDonePayload(payload));
      dietStreamBuffer = "";
      dietAiStreamField.value = "";
    } else if (event === "error") {
      showUserToast(formatUserMessage(payload == null ? void 0 : payload.message, "饮食建议加载失败"));
    }
  }
  async function fetchDietAiRecommendFallback(refresh) {
    const res = await proxy.apiUrl({
      url: "/api/tcm/dailyDietAiRecommend",
      method: "GET",
      timeout: 35e3,
      data: {
        diagnosis_id: diagnosisId.value,
        refresh: refresh ? 1 : 0,
        ...refresh ? { _t: Date.now() } : {}
      }
    }, false);
    if ((res == null ? void 0 : res.code) === 1 && res.data) {
      applyDietRecommendPayload(res.data);
    } else if (res == null ? void 0 : res.msg) {
      showUserToast(res.msg);
    }
  }
  async function fetchDietAiRecommend(refresh = false) {
    if (!diagnosisId.value || dietAiLoading.value)
      return;
    dietAiLoading.value = true;
    dietAiStreaming.value = false;
    dietAiReplacing.value = !!refresh;
    dietStreamBuffer = "";
    dietAiStreamField.value = "";
    if (refresh) {
      applyDietRecommendPayload(emptyDietAiRecommend());
    }
    try {
      await tongji_utils_aiStreamRequest.requestAiStream({
        baseUrl: proxy.$url,
        url: "/api/tcm/dailyDietAiRecommendStream",
        method: "GET",
        data: {
          diagnosis_id: diagnosisId.value,
          refresh: refresh ? 1 : 0,
          ...refresh ? { _t: Date.now() } : {}
        },
        onEvent: onDietAiStreamEvent,
        fallback: () => fetchDietAiRecommendFallback(refresh)
      });
    } catch (e) {
      try {
        await fetchDietAiRecommendFallback(refresh);
      } catch (e2) {
        showUserToast("饮食建议加载失败");
      }
    } finally {
      dietAiLoading.value = false;
      dietAiStreaming.value = false;
      dietAiReplacing.value = false;
      dietAiStreamField.value = "";
    }
  }
  function refreshDietAiRecommend() {
    if (dietAiLoading.value)
      return;
    fetchDietAiRecommend(true);
  }
  async function askDietAiFoodFallback(q) {
    const res = await proxy.apiUrl({
      url: "/api/tcm/dailyDietAiAsk",
      method: "POST",
      timeout: 35e3,
      data: {
        diagnosis_id: diagnosisId.value,
        question: q
      }
    }, false);
    if ((res == null ? void 0 : res.code) === 1 && res.data) {
      dietAiAskResult.value = {
        advice: res.data.advice || "",
        level: res.data.level || "",
        level_label: res.data.level_label || "",
        portion: res.data.portion || "",
        food: res.data.food || q
      };
    } else {
      showUserToast(formatUserMessage(res == null ? void 0 : res.msg, "咨询失败"));
    }
  }
  async function askDietAiFood() {
    const q = String(dietAiAskText.value || "").trim();
    if (!q) {
      showUserToast("请输入想咨询的食物");
      return;
    }
    if (!diagnosisId.value)
      return;
    dietAiAskText.value = "";
    dietAiAsking.value = true;
    dietAiAskResult.value = { advice: "", level: "", level_label: "", portion: "", food: "" };
    try {
      await tongji_utils_aiStreamRequest.requestAiStream({
        baseUrl: proxy.$url,
        url: "/api/tcm/dailyDietAiAskStream",
        method: "POST",
        data: {
          diagnosis_id: diagnosisId.value,
          question: q
        },
        onEvent: (event, payload) => {
          if (event === "start" && !dietAiAskResult.value.advice) {
            dietAiAskResult.value = { ...dietAiAskResult.value, advice: payload.message || "正在想…" };
          } else if (event === "delta") {
            dietAiAskResult.value = {
              ...dietAiAskResult.value,
              advice: payload.advice || dietAiAskResult.value.advice
            };
          } else if (event === "done") {
            dietAiAskResult.value = {
              advice: payload.advice || "",
              level: payload.level || "",
              level_label: payload.level_label || "",
              portion: payload.portion || "",
              food: payload.food || q
            };
          } else if (event === "error") {
            showUserToast(formatUserMessage(payload == null ? void 0 : payload.message, "咨询失败"));
          }
        },
        fallback: () => askDietAiFoodFallback(q)
      });
    } catch (e) {
      try {
        await askDietAiFoodFallback(q);
      } catch (e2) {
        showUserToast("网络异常，请稍后再试");
      }
    } finally {
      dietAiAsking.value = false;
    }
  }
  function onDietAiAskInput(e) {
    var _a;
    dietAiAskText.value = ((_a = e == null ? void 0 : e.detail) == null ? void 0 : _a.value) ?? "";
  }
  function saveDietPrefillToStorage() {
    const r = dietAiRecommend.value;
    if (!r.breakfast)
      return;
    try {
      common_vendor.index.setStorageSync(DIET_AI_PREFILL_KEY, {
        breakfast: r.breakfast,
        drinks: r.drinks || "",
        lunch: r.lunch,
        dinner: r.dinner,
        tips: r.tips || ""
      });
    } catch (e) {
    }
  }
  function goMoreDietForm(withPrefill = false) {
    if (withPrefill)
      saveDietPrefillToStorage();
    common_vendor.index.navigateTo({ url: "/tongji/pages/more?openDiet=1" });
  }
  async function applyDietAiToForm() {
    if (!dietAiRecommend.value.breakfast) {
      await fetchDietAiRecommend(false);
    }
    goMoreDietForm(true);
  }
  function openDietForm() {
    goMoreDietForm(false);
  }
  return {
    dietAiRecommend,
    dietAiLoading,
    dietAiStreaming,
    dietAiReplacing,
    dietAiStreamField,
    dietAiAskText,
    dietAiAsking,
    dietAiAskResult,
    hasDietAiMealContent,
    fetchDietAiRecommend,
    refreshDietAiRecommend,
    askDietAiFood,
    onDietAiAskInput,
    applyDietAiToForm,
    openDietForm
  };
}
function consumeDietAiPrefill() {
  try {
    const data = common_vendor.index.getStorageSync(DIET_AI_PREFILL_KEY);
    common_vendor.index.removeStorageSync(DIET_AI_PREFILL_KEY);
    if (data && typeof data === "object" && data.breakfast)
      return data;
  } catch (e) {
  }
  return null;
}
exports.consumeDietAiPrefill = consumeDietAiPrefill;
exports.useDietAi = useDietAi;
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