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

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

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

    var avgs = {
      "page1": {"q1": 0.0, "q2": 0.0, "qc": 0.0},
      "page2": {"q1": 0.0, "q2": 0.0, "qc": 0.0},
      "page3": {"q1": 0.0, "q2": 0.0, "qc": 0.0}
    };

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

      for (var key in ratings.keys) {
        var page = ratings[key];

        var q1 = avgs[key]!["q1"]! + page["q1"];
        var q2 = avgs[key]!["q2"]! + page["q2"];
        avgs[key]?["q1"] = q1.toDouble();
        avgs[key]?["q2"] = q2.toDouble();

        var qc = avgs[key]!["qc"]!;
        qc += (page["q1"] == 0 ? 0 : 1);
        avgs[key]?["qc"] = qc;
      }
    }

    // average calc
    for (var key in avgs.keys) {
      var page = avgs[key];

      var q1 = page!["q1"]! / page["qc"]!;
      var q2 = page["q2"]! / page["qc"]!;

      avgs[key]?["q1"] = q1;
      avgs[key]?["q2"] = q2;
    }

    print(avgs);

    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(
              crossAxisAlignment: WrapCrossAlignment.center,
              alignment: WrapAlignment.center,
              spacing: 10,
              runSpacing: 10,
              children: [
                Container(
                  decoration: BoxDecoration(
                    boxShadow: [
                      BoxShadow(
                          color: Colors.grey.withOpacity(0.5),
                          spreadRadius: 5,
                          blurRadius: 7,
                          offset: const Offset(0, 3))
                    ],
                    borderRadius: BorderRadius.circular(15),
                  ),
                  child: RatingCard(
                    title: ratingNames["page1"]["title"],
                    rating1Title: ratingNames["page1"]["q1"],
                    rating1: avgs["page1"]!["q1"]!.toInt(),
                    rating2Title: ratingNames["page1"]["q2"],
                    rating2: avgs["page1"]!["q2"]!.toInt(),
                    text: "",
                  ),
                ),
                const SizedBox(height: 10,),
                Container(
                  decoration: BoxDecoration(
                    boxShadow: [
                      BoxShadow(
                          color: Colors.grey.withOpacity(0.5),
                          spreadRadius: 5,
                          blurRadius: 7,
                          offset: const Offset(0, 3))
                    ],
                    borderRadius: BorderRadius.circular(15),
                  ),
                  child: RatingCard(
                    title: ratingNames["page2"]["title"],
                    rating1Title: ratingNames["page2"]["q1"],
                    rating1: avgs["page2"]!["q1"]!.toInt(),
                    rating2Title: ratingNames["page2"]["q2"],
                    rating2: avgs["page2"]!["q2"]!.toInt(),
                    text: "",
                  ),
                ),
                const SizedBox(height: 10,),
                Container(
                  decoration: BoxDecoration(
                    boxShadow: [
                      BoxShadow(
                          color: Colors.grey.withOpacity(0.5),
                          spreadRadius: 5,
                          blurRadius: 7,
                          offset: const Offset(0, 3))
                    ],
                    borderRadius: BorderRadius.circular(15),
                  ),
                  child: RatingCard(
                    title: ratingNames["page3"]["title"],
                    rating1Title: ratingNames["page3"]["q1"],
                    rating1: avgs["page3"]!["q1"]!.toInt(),
                    rating2Title: ratingNames["page3"]["q2"],
                    rating2: avgs["page3"]!["q2"]!.toInt(),
                    text: "",
                  ),
                )
              ],
            )
          ],
        ),
      ),
    );
  }
}