import 'package:flutter/material.dart';
import 'package:mensaappbackend/modules/ratingCard.dart';

class BuilderTodayAverage {
  static Widget _getRatingWidget(
      var q1, var q2, var page, var essen, var ratingNames) {
    Widget card = Container(
      decoration: BoxDecoration(boxShadow: [
        BoxShadow(
            color: Colors.grey.withOpacity(0.5),
            spreadRadius: 5,
            blurRadius: 7,
            offset: const Offset(0, 3))
      ]),
      child: RatingCard(
        rating1: q1,
        rating2: q2,
        title: ratingNames[page]["title"] + (essen == -1 ? "" : ": $essen"),
        rating1Title: ratingNames[page]["q1"],
        rating2Title: ratingNames[page]["q2"],
        text: "",
      ),
    );

    return card;
  }

  static Widget build(var context, var snapshot, var ratingNames) {
    var data = snapshot.data;

    if (data == null) {
      return const Center();
    }

    var avgP1F1 = [0.0, 0.0, 0];
    var avgP1F2 = [0.0, 0.0, 0];
    var avgP1F3 = [0.0, 0.0, 0];
    var avgP2 = [0.0, 0.0, 0];
    var avgP3 = [0.0, 0.0, 0];

    var foodIdx = 1;
    var foodNameMap = {};

    var foodMap = {1: avgP1F1, 2: avgP1F2, 3: avgP1F3};

    for (var map in data) {
      var ratings = map["ratings"];

      ratings["page1"]["food"] = ratings["page1"]["food"]
          .toString()
          .toLowerCase()
          .replaceAll("ä", "ae")
          .replaceAll("ö", "oe")
          .replaceAll("ü", "ue")
          .replaceAll("ß", "ss");

      print(ratings["page1"]["food"]);

      ratings["page1"]["food"] = ratings["page1"]["food"];

      if (!foodNameMap.containsKey(ratings["page1"]["food"])) {
        foodNameMap[ratings["page1"]["food"]] = foodIdx;
        foodIdx++;
      }

      var food = foodNameMap[ratings["page1"]["food"]];
      var page1 = ratings["page1"],
          page2 = ratings["page2"],
          page3 = ratings["page3"];

      foodMap[food]?[0] += page1["q1"];
      foodMap[food]?[1] += page1["q2"];
      foodMap[food]?[2] += page1["q1"] == 0 ? 0 : 1;
      avgP2[0] += page2["q1"];
      avgP2[1] += page2["q2"];
      avgP2[2] += page2["q1"] == 0 ? 0 : 1;
      avgP3[0] += page3["q1"];
      avgP3[1] += page3["q2"];
      avgP3[2] += page3["q1"] == 0 ? 0 : 1;
    }

    print(foodMap[1]);

    for (var i in [1, 2, 3]) {
      foodMap[i]?[0] =
          (foodMap[i]![0] / (foodMap[i]![2] == 0 ? 1 : foodMap[i]![2])).toInt();
      foodMap[i]?[1] =
          (foodMap[i]![1] / (foodMap[i]![2] == 0 ? 1 : foodMap[i]![2])).toInt();
    }

    print(foodMap[1]);

    avgP2[0] = (avgP2[0] / avgP2[2]).toInt();
    avgP2[1] = (avgP2[1] / avgP2[2]).toInt();
    avgP3[0] = (avgP3[0] / avgP3[2]).toInt();
    avgP3[1] = (avgP3[1] / avgP3[2]).toInt();

    return SingleChildScrollView(
      child: Center(
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            const SizedBox(
              height: 20,
            ),
            const Text(
              "Heute - Durchschnitt",
              style: TextStyle(fontSize: 25),
            ),
            const SizedBox(
              height: 20,
            ),
            Wrap(
              runSpacing: 10,
              spacing: 10,
              crossAxisAlignment: WrapCrossAlignment.center,
              alignment: WrapAlignment.center,
              children: [
                _getRatingWidget(avgP1F1[0], avgP1F1[1], "page1",
                    foodNameMap.keys.elementAtOrNull(0), ratingNames),
                _getRatingWidget(avgP1F2[0], avgP1F2[1], "page1",
                    foodNameMap.keys.elementAtOrNull(1), ratingNames),
                _getRatingWidget(avgP1F3[0], avgP1F3[1], "page1",
                    foodNameMap.keys.elementAtOrNull(2), ratingNames),
                _getRatingWidget(avgP2[0], avgP2[1], "page2", -1, ratingNames),
                _getRatingWidget(avgP3[0], avgP3[1], "page3", -1, ratingNames)
              ],
            )
          ],
        ),
      ),
    );
  }
}