package com.hjx.parent;


import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.text.Html;
import android.view.View;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.content.res.ResourcesCompat;

import com.bumptech.glide.Glide;
import com.chad.library.adapter.base.BaseQuickAdapter;
import com.chad.library.adapter.base.BaseViewHolder;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;
import com.github.mikephil.charting.formatter.ValueFormatter;
import com.hjx.parent.databinding.ActivityHuyouDetailBinding;
import com.hjx.parent.rx.BaseRxActivity;
import com.prws.common.bean.Student;
import com.prws.common.bean.homework.StDetail;
import com.prws.common.net.NetWorks;
import com.prws.common.utils.BitmapUtils;
import com.prws.common.utils.ContentUtil;
import com.trello.rxlifecycle2.android.RxLifecycleAndroid;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.TimeZone;

import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;

public class HuyouDetailActivity extends BaseRxActivity<ActivityHuyouDetailBinding> {

    private String id;
    private int type; // 0:周 1:阶段
    private Student student;

    private StDetail mData;

    final String indent = "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";

    private boolean a4 = false;

    @Override
    protected void onResume() {
        super.onResume();
        binding.root.postDelayed(() -> {
            float scale = 1f * binding.getRoot().getWidth() / binding.root.getWidth();
            if (scale >= 1) return;
            binding.root.setScaleX(scale);
            binding.root.setScaleY(scale);
        }, 100);
    }

    @SuppressLint("CheckResult")
    @Override
    public void initView(Bundle savedInstanceState) {
        id = getIntent().getStringExtra("id");
        type = getIntent().getIntExtra("type", 0);
        student = (Student) getIntent().getSerializableExtra("student");

        if (type == 1) binding.tvTitle.setText("阶段作业学习总结");

        Glide.with(this).load(student.photo).into(binding.ivAvatar);
        binding.tvStuName.setText(student.stuName);

        setupChart();
        NetWorks.service_url.getHuyouDetail(NetWorks.getHeader(), id)
                .subscribeOn(Schedulers.io())
                .map(response -> response.getData())
                .map(data -> {
                    if (type == 1) data.formatCollection();
                    return data;
                })
                .observeOn(AndroidSchedulers.mainThread())
                .compose(RxLifecycleAndroid.bindActivity(getRxLifecycle()))
                .subscribe((data, th) -> {
                    mData = data;
                    if (th != null) th.printStackTrace();
                    if (data != null) showData(data);
                });

        binding.btnShare.setOnClickListener(v -> {
            Uri shareUri = prepareShare();
            if (shareUri != null) {
                Intent shareIntent = new Intent(Intent.ACTION_SEND);
                shareIntent.setType("image/jpeg");
                shareIntent.putExtra(Intent.EXTRA_STREAM, shareUri);
                shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

                startActivity(shareIntent);
            }
        });

        binding.btnSwitch.setOnClickListener(v -> {
            switchPage();
        });

    }

    private SimpleDateFormat getFormatWithGmt8(String pattern) {
        SimpleDateFormat format = new SimpleDateFormat(pattern, Locale.CHINA);
        format.setTimeZone(TimeZone.getTimeZone("GMT+16"));
        return format;
    }

    @SuppressLint("SetTextI18n")
    private void showData(StDetail data) {
        binding.tvGrade.setText(data.grade);
        binding.tvSubject.setText(data.homeworkSubject);
        String start = getFormatWithGmt8("yyyy.M.d").format(data.startTime);
        String end = new SimpleDateFormat(" - M.d", Locale.CHINA).format(data.endTime);
        binding.tvDate.setText(start + end);

        if (data.points == null) data.points = new ArrayList<>();
        if (data.points.size() == 0) {
            binding.cpBefore.setValue(0);
            binding.cpAfter.setValue(0);
            binding.pgBefore.setText("0");
            binding.pgAfter.setText("0");
        } else {
            float before = 0;
            float after = 0;
            for (StDetail.Point point: data.points) {
                before += point.beforeState;
                after += point.afterState;
            }
            before = (int) (100f * before / data.points.size() + 0.5f);
            after = (int) (100f * after / data.points.size() + 0.5f);
            binding.cpBefore.setValue(before);
            binding.cpAfter.setValue(after);
            DecimalFormat format = new DecimalFormat("0");
            binding.pgBefore.setText(format.format(before));
            binding.pgAfter.setText(format.format(after));

            String comment;
            if (after >= 90) {
                comment = "知识点掌握的比较扎实，多练习多巩固掌握一般的知识点会有很大帮助。";
            } else if (after >= 80) {
                comment = "知识点掌握程度有进步，还要再继续学习，多练习，不断巩固。";
            } else if (after >= 60) {
                comment = "薄弱知识点还有进步空间，再多做一些类似题目来巩固知识点，继续努力。";
            } else {
                comment = "你的薄弱知识点还需要再深入了解，有不清楚的地方及时问老师，继续加油。";
            }
            String percent = new DecimalFormat("0%").format(after / 100);
            String temp = indent + "通过学习，你的薄弱知识点掌握程度为 %s，" + comment;
            temp = String.format(temp, fromColor(percent, "#F24E38"));
            binding.tvWeakRate.setText(Html.fromHtml(temp, Html.FROM_HTML_MODE_COMPACT));
        }

        binding.tvTotalRate.setText(new DecimalFormat("0").format(100f * data.correct / data.total));
        binding.tvTotalCorrect.setText(String.valueOf(data.correct));
        binding.tvTotalError.setText(String.valueOf(data.total - data.correct));
        if (data.total == 0) {
            binding.tvRating.setText("");
        } else {
            float rate = 100f * data.correct / data.total;
            String comment;
            if (rate >= 90) {
                comment = "掌握程度比较优秀，你对知识的理解和运用能力非常强，这是你努力的结果。请继续保持这份优秀，在未来的学习中，可以继续挑战更难的题目，勇攀高峰。";
            } else if (rate >= 80) {
                comment = "掌握良好。接下来，跟随老师的学习规划，针对薄弱环节重点突破。加油，只要持之以恒，坚持下去，你一定会更加出色。";
            } else if (rate >= 60) {
                comment = "掌握程度一般。不过别灰心，你有提升的潜力。跟随老师的步伐，制定合理的学习计划，多做一些练习题来巩固知识。老师相信你一定可以做到。";
            } else {
                comment = "掌握程度较为薄弱。但不要放弃，这正是你奋起直追的好时机。认真分析自己的问题，从基础开始逐步提升。老师会一直支持你，只要你有决心，就没有克服不了的困难。";
            }
            String rateStr = new DecimalFormat("0%").format(rate / 100f);
            String temp;
            if (type == 0) {
                temp = indent + "在本周作业中，你的综合正确率是 %s，" + comment;
            } else {
                temp = indent + "你的综合正确率是 %s，" + comment;
            }
            temp = String.format(temp, fromColor(rateStr, "#3BC3B6"));
            binding.tvRating.setText(Html.fromHtml(temp, Html.FROM_HTML_MODE_COMPACT));
        }

        List<Entry> entries = new ArrayList<>();
        if (type == 0) {
            entries.add(new Entry(1, data.mondayCorrection));
            entries.add(new Entry(2, data.tuesdayCorrection));
            entries.add(new Entry(3, data.wednesdayCorrection));
            entries.add(new Entry(4, data.thursdayCorrection));
            entries.add(new Entry(5, data.fridayCorrection));
        } else {
            for (int i = 0; i < data.correctionList.size(); i ++) {
                StDetail.Correction c = data.correctionList.get(i);
                entries.add(new Entry(i, c.correction));
            }
            XAxis xAxis = binding.lineChart.getXAxis();
            xAxis.setLabelCount(Math.min(entries.size(), 5), true);
            xAxis.setValueFormatter(new ValueFormatter() {
                SimpleDateFormat format = new SimpleDateFormat("M.d", Locale.CHINA);
                @Override
                public String getFormattedValue(float value) {
                    int index = (int) value;
                    if (index < 0 || index >= data.correctionList.size()) return "";
                    Date date = data.correctionList.get(index).date;
                    return format.format(date);
                }
            });
        }

        LineDataSet set = new LineDataSet(entries, "");
        set.setColor(0xFF3BC3B6);
        set.setCircleColor(0xFF3BC3B6);
        set.setDrawFilled(true);
        set.setDrawCircles(type == 0 || entries.size() == 1);
        set.setDrawValues(false);
        set.setHighlightEnabled(false);
        set.setDrawHighlightIndicators(false);
        set.setFillDrawable(ResourcesCompat.getDrawable(getResources(), R.drawable.bg_line_chart_fill2, null));
        binding.lineChart.setData(new LineData(set));
        binding.lineChart.invalidate();

        if (!data.points.isEmpty()) {
            int exNo = 0, goodNo = 0, normalNo = 0, weakNo = 0;
            float total = 0;
            for (StDetail.Point point: data.points) {
                total += point.afterState;
                if (point.afterState >= 0.9) {
                    exNo ++;
                } else if (point.afterState >= 0.8) {
                    goodNo ++;
                } else if (point.afterState >= 0.6) {
                    normalNo ++;
                } else {
                    weakNo ++;
                }
            }
            binding.tvExcellent.setText(String.valueOf(exNo));
            binding.tvGood.setText(String.valueOf(goodNo));
            binding.tvNormal.setText(String.valueOf(normalNo));
            binding.tvWeak.setText(String.valueOf(weakNo));

            float exRate = 100f * exNo / data.points.size();
            float goodRate = 100f * goodNo / data.points.size();
            float normalRate = 100f * normalNo / data.points.size();
            float weakRate = 100f * weakNo / data.points.size();
            binding.cpGood.setValue(goodRate + normalRate + weakRate);
            binding.cpNormal.setValue(normalRate + weakRate);
            binding.cpWeak.setValue(weakRate);
            binding.tvAvePoint.setText(new DecimalFormat("0").format(100f * total / data.points.size()));
        }

        List<StDetail.Point> points = new ArrayList<>();
        for (StDetail.Point point: data.points) {
            if (point.beforeState < 1) points.add(point);
        }
        binding.tableRoot.setClipToOutline(true);
        binding.rvPoint.setAdapter(new Adapter(points));
        binding.tableRoot.setVisibility(points.isEmpty() ? View.GONE : View.VISIBLE);
        binding.flPointDesc.setVisibility(points.isEmpty() ? View.GONE : View.VISIBLE);
        binding.flEmptyPoints.setVisibility(points.isEmpty() ? View.VISIBLE : View.GONE);
    }

    private void setupChart() {
        binding.lineChart.getLegend().setForm(Legend.LegendForm.NONE);
        binding.lineChart.setScaleEnabled(false);
        binding.lineChart.setTouchEnabled(false);
        binding.lineChart.setDescription(null);
        binding.lineChart.getAxisRight().setEnabled(false);
        YAxis yAxis =  binding.lineChart.getAxisLeft();
        yAxis.setDrawAxisLine(false);
        yAxis.setDrawGridLines(true);
        yAxis.setGridColor(0xFFDDDDDD);
        yAxis.setTextColor(0xFF333333);
        if (type == 0) {
            yAxis.setTextSize(16);
            yAxis.setXOffset(16);
        } else {
            yAxis.setTextSize(13);
        }
        yAxis.setAxisMinimum(0);
        yAxis.setAxisMaximum(1);
        yAxis.setLabelCount(5, true);
        yAxis.setValueFormatter(new ValueFormatter() {
            @Override
            public String getFormattedValue(float value) {
                return new DecimalFormat("0%").format(value);
            }
        });

        XAxis xAxis = binding.lineChart.getXAxis();
        xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
        xAxis.setDrawAxisLine(false);
        xAxis.setDrawGridLines(false);
        xAxis.setTextColor(0xFF333333);
        xAxis.setTextSize(16);
        xAxis.setYOffset(16);
        if (type == 0) {
            xAxis.setAxisMinimum(0.5f);
            xAxis.setAxisMaximum(5.5f);
            xAxis.setLabelCount(11, true);
            xAxis.setValueFormatter(new ValueFormatter() {
                @Override
                public String getFormattedValue(float value) {
                    if (value == 1) {
                        return "周一";
                    } else if (value == 2) {
                        return "周二";
                    } else if (value == 3) {
                        return "周三";
                    } else if (value == 4) {
                        return "周四";
                    } else if (value == 5) {
                        return "周五";
                    }
                    return "";
                }
            });
        } else {
            xAxis.setTextSize(13);
        }
    }

    private String fromColor(String str, String color) {
        return String.format("<font color='%s'><b>%s</b></font>", color, str);
    }

    private void switchPage() {
        Intent intent = new Intent(getIntent());
        intent.putExtra("a4", !a4);
        startActivity(intent);
        finish();
    }

    private Uri prepareShare() {
        try {
            binding.toolbar.setVisibility(View.INVISIBLE);
            Bitmap bitmap = BitmapUtils.shotView(binding.root);
            binding.toolbar.setVisibility(View.VISIBLE);

            String fileName = student.stuName + "_周作业学习报告_" + System.currentTimeMillis();
            return ContentUtil.saveBitmapToGallery(this, bitmap, fileName);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    protected ActivityHuyouDetailBinding getViewBinding() {
        a4 = getIntent().getBooleanExtra("a4", false);
        View view;
        if (a4) view = getLayoutInflater().inflate(R.layout.activity_huyou_detail_a4, null);
        else view = getLayoutInflater().inflate(R.layout.activity_huyou_detail, null);
        return ActivityHuyouDetailBinding.bind(view);
    }

    public static class Adapter extends BaseQuickAdapter<StDetail.Point, BaseViewHolder> {

        public Adapter(@Nullable List<StDetail.Point> data) {
            super(R.layout.item_huyou_point, data);
        }

        @Override
        protected void convert(@NonNull BaseViewHolder holder, StDetail.Point point) {
            DecimalFormat format1 = new DecimalFormat("0%");
            DecimalFormat format2 = new DecimalFormat("0");
            holder.setText(R.id.tvName, point.pointName);
            holder.setText(R.id.tvBefore, format1.format(point.beforeState));
            holder.setText(R.id.tvAfter, format1.format(point.afterState));
            holder.setText(R.id.tvGap, format2.format(point.gap * 100));
            holder.setGone(R.id.ivFlag, getData().indexOf(point) == 0);
            holder.<TextView>getView(R.id.tvName).setTooltipText(point.pointName);

            TextView before = holder.getView(R.id.tvBeforeState);
            TextView after = holder.getView(R.id.tvAfterState);

            if (point.beforeState >= 0.9) {
                before.setText("掌握优秀");
                before.setBackgroundTintList(ColorStateList.valueOf(0xFF4FBB7A));
            } else if (point.beforeState >= 0.8) {
                before.setText("掌握良好");
                before.setBackgroundTintList(ColorStateList.valueOf(0xFF489AFA));
            } else if (point.beforeState >= 0.6) {
                before.setText("掌握一般");
                before.setBackgroundTintList(ColorStateList.valueOf(0xFFF58725));
            } else {
                before.setText("掌握薄弱");
                before.setBackgroundTintList(ColorStateList.valueOf(0xFFEA5127));
            }
            if (point.afterState >= 0.9) {
                after.setText("掌握优秀");
                after.setBackgroundTintList(ColorStateList.valueOf(0xFF4FBB7A));
            } else if (point.afterState >= 0.8) {
                after.setText("掌握良好");
                after.setBackgroundTintList(ColorStateList.valueOf(0xFF489AFA));
            } else if (point.afterState >= 0.6) {
                after.setText("掌握一般");
                after.setBackgroundTintList(ColorStateList.valueOf(0xFFF58725));
            } else {
                after.setText("掌握薄弱");
                after.setBackgroundTintList(ColorStateList.valueOf(0xFFEA5127));
            }

            holder.setText(R.id.tvHuyou, format1.format(point.correctness));
        }

    }

}