const namingStore = require("../../store/namingStore");

function showToast(title) {
  if (typeof tt === "undefined" || !tt.showToast) {
    console.warn("Toast:", title);
    return;
  }
  tt.showToast({
    title,
    icon: "none",
    duration: 2000
  });
}

Page({
  data: {
    results: [],
    matchSummary: "",
    elementsChart: []
  },
  onLoad() {
    const { results, analysis } = namingStore.getState();
    if (!results || !results.length) {
      showToast("暂无生成结果，请返回重新生成");
      setTimeout(() => {
        if (typeof tt !== "undefined" && tt.navigateBack) {
          tt.navigateBack();
        }
      }, 1000);
      return;
    }
    const summary = analysis && (analysis.matchSummary || analysis.MatchSummary)
      ? analysis.matchSummary || analysis.MatchSummary
      : "";
    const elements = Array.isArray(analysis && (analysis.elementDistribution || analysis.ElementDistribution))
      ? analysis.elementDistribution || analysis.ElementDistribution
      : [];
    const total = elements.reduce((acc, current) => {
      const value = Number(current.count ?? current.Count ?? 0);
      return acc + (Number.isNaN(value) ? 0 : value);
    }, 0);
    const chart = elements.map((item) => {
      const elementName = item.element || item.Element || "";
      const countValue = Number(item.count ?? item.Count ?? 0);
      const count = Number.isNaN(countValue) ? 0 : countValue;
      const percent = total > 0 ? Math.round((count / total) * 100) : 0;
      const widthPercent = percent > 0 ? Math.max(percent, 6) : 0;
      return {
        label: elementName || "未知",
        count,
        percent,
        percentText: `${percent}%`,
        percentWidth: `${widthPercent}%`
      };
    });
    const normalized = results.map((item) => ({
      name: item.name,
      meaning: item.meaning || item.Meaning || "寓意待补充",
      elementReason: item.elementReason || item.ElementReason || "五行流转相济"
    }));
    this.setData({
      results: normalized,
      matchSummary: summary,
      elementsChart: chart
    });
  },
  handleFavorite(event) {
    const { name, meaning } = event.currentTarget.dataset;
    const saved = namingStore.addFavorite({ name, meaning });
    showToast(saved ? "已收藏" : "收藏失败");
  },
  handleBack() {
    if (typeof tt !== "undefined" && tt.navigateBack) {
      tt.navigateBack();
      return;
    }
    if (typeof tt !== "undefined" && tt.redirectTo) {
      tt.redirectTo({ url: "/pages/home/index" });
    }
  }
});