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

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

    Map<String, Map> dic = {
      "page1": {},
      "page2": {"q1": 0, "q2": 0, "avg_q1": 0, "avg_q2": 0, "counter": 0},
      "page3": {"q1": 0, "q2": 0, "avg_q1": 0, "avg_q2": 0, "counter": 0}
    };

    for (Map bewertung in data) {
      for (var page in bewertung["ratings"].keys) {
        var tmp_dic = bewertung["ratings"][page];
        switch (page) {
          case "page1":
            if (tmp_dic["food"].length == 0) {
              break;
            }
            var curKey = tmp_dic["food"].split(": ")[1];
            if (!dic["page1"]!.containsKey(curKey)) {
              dic["page1"]![curKey] = {
                "q1": 0,
                "q2": 0,
                "avg_q1": 0,
                "avg_q2": 0,
                "counter": 0
              };
            }
            dic["page1"]![curKey]["q1"] += tmp_dic["q1"];
            dic["page1"]![curKey]["q2"] += tmp_dic["q2"];
            dic["page1"]![curKey]["counter"] += tmp_dic["q1"] == 0 ? 0 : 1;
            break;

          case "page2":
            dic["page2"]!["q1"] += tmp_dic["q1"];
            dic["page2"]!["q2"] += tmp_dic["q2"];
            dic["page2"]!["counter"] += tmp_dic["q1"] == 0 ? 0 : 1;
            break;

          case "page3":
            dic["page3"]!["q1"] += tmp_dic["q1"];
            dic["page3"]!["q2"] += tmp_dic["q2"];
            dic["page3"]!["counter"] += tmp_dic["q1"] == 0 ? 0 : 1;
            break;
        }
      }
    }

    Map finalDic = {};

    if (dic["page2"]!["q1"] != 0) {
      finalDic["Service"] = {"org": "page2", "q1": 0, "q2": 0};
      finalDic["Service"]!["q1"] = (dic["page2"]!["q1"] / dic["page2"]!["counter"]).round().toInt();
      finalDic["Service"]!["q2"] = (dic["page2"]!["q2"] / dic["page2"]!["counter"]).round().toInt();
    }

    if (dic["page3"]!["q2"] != 0) {
      finalDic["Essenswünsche"] = {"org": "page3", "q1": 0, "q2": 0};
      finalDic["Essenswünsche"]!["q1"] = (dic["page3"]!["q1"] / dic["page3"]!["counter"]).round().toInt();
      finalDic["Essenswünsche"]!["q2"] = (dic["page3"]!["q2"] / dic["page3"]!["counter"]).round().toInt();
    }

    for (var food in dic["page1"]!.keys) {
      var foodData = dic["page1"]![food];
      finalDic[food] = {"q1": 0, "q2": 0, "org": "page1"};
      finalDic[food]["q1"] = (foodData["q1"] / foodData["counter"]).round().toInt();
      finalDic[food]?["q2"] = (foodData["q2"] / foodData["counter"]).round().toInt();
    }
    List<Widget> cards = [];

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

    for (var title in finalDic.keys) {
      List<Widget> children = [];
      var rating = finalDic[title];

      if (rating["q1"] != 0) {
        Widget card = RatingCard(
          rating1: rating["q1"],
          rating2: rating["q2"],
          text: "",
          title: title,
          rating1Title: ratingNames[rating["org"]]!["q1"]!,
          rating2Title: ratingNames[rating["org"]]!["q2"]!,
        );
        children.add(card);
        children.add(const SizedBox(
          width: 10,
        ));
      }

      cards.add(Column(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          Container(
            padding: const EdgeInsets.all(15),
            decoration: BoxDecoration(
                boxShadow: [
                  BoxShadow(
                      color: Colors.grey.withOpacity(0.8),
                      spreadRadius: 0,
                      blurRadius: 0,
                      offset: const Offset(0, 0))
                ],
                borderRadius: BorderRadius.circular(15),
                color: Theme.of(context).colorScheme.surface.withOpacity(0.8)),
            child: Column(
              children: [
                Wrap(
                  runAlignment: WrapAlignment.center,
                  crossAxisAlignment: WrapCrossAlignment.center,
                  runSpacing: 10,
                  children: children,
                )
              ],
            ),
          ),
          const SizedBox(
            height: 15,
          ),
        ],
      ));
    }

    return Center(
      child: IntrinsicWidth(
        stepWidth: 2,
        child: SingleChildScrollView(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              const SizedBox(
                height: 20,
              ),
              Consumer<TimeProvider>(
                builder: (context, timeProvider, child) {
                  // Dynamischer Text basierend auf TimeProvider
                  String text =
                      timeProvider.timeList[timeProvider.selectedTime]!;
                  return Text(
                    text + " - Durchschnitt",
                    style: const TextStyle(fontSize: 25),
                  );
                },
              ),
              const SizedBox(
                height: 20,
              ),
              for (var card in cards) card,
            ],
          ),
        ),
      ),
    );
  }
}