package com.hdl.hdllinphonesdk.dialog;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Point;
import android.graphics.drawable.ColorDrawable;
import android.os.Build;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.NumberPicker;
import android.widget.TextView;
import android.widget.TimePicker;

import com.hdl.hdllinphonesdk.R;

import java.lang.reflect.Field;

public class LpTimeDialog extends Dialog {

    private Context mContext;
    private DatePicker datePicker;
    private TimePicker timePicker;
    private TextView cancelBtn, confirmBtn;
    private ClickListenerInterface mClickListener;

    public LpTimeDialog(Context context, ClickListenerInterface listener) {
        super(context, R.style.video_dialog);
        this.mContext = context;
        this.mClickListener = listener;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.dialog_lpsdk_time_select);
        initView();
        initData();
        Display display = ((Activity) mContext).getWindowManager().getDefaultDisplay();
        WindowManager.LayoutParams p = getWindow().getAttributes();
        Point point = new Point();
        display.getSize(point);
        p.width = point.x;
        getWindow().setGravity(Gravity.BOTTOM);
    }

    /**
     * initView
     */
    private void initView() {
        datePicker = findViewById(R.id.lp_dialog_data_picker);
        timePicker = findViewById(R.id.lp_dialog_time_picker);
        cancelBtn = findViewById(R.id.lp_dialog_cancel_tv);
        cancelBtn.setOnClickListener(view -> {
            if (mClickListener != null)
                mClickListener.onCancelClick(this);
        });
        confirmBtn = findViewById(R.id.lp_dialog_confirm_tv);
        confirmBtn.setOnClickListener(view -> {
            String time = datePicker.getYear() + "-" + getMonth(datePicker) + "-" + getDay(datePicker) +
                    " " + getHour(timePicker) + ":" + getMinute(timePicker);

            if (mClickListener != null)
                mClickListener.onConfirmClick(this, time);
        });
    }

    // 获取月份
    private String getMonth(DatePicker _datePicker) {
        String moth_str = "";
        int month_int = _datePicker.getMonth() + 1;
        if (month_int < 10)
            moth_str = "0" + month_int;
        else
            moth_str = month_int + "";
        return moth_str;
    }

    // 获取日
    private String getDay(DatePicker _datePicker) {
        String day_str = "";
        int day_int = _datePicker.getDayOfMonth();
        if (day_int < 10)
            day_str = "0" + day_int;
        else
            day_str = day_int + "";
        return day_str;
    }

    // 获取小时
    private String getHour(TimePicker _timePicker) {
        String hour_str = "";
        int hour_int = _timePicker.getHour();
        if (hour_int < 10)
            hour_str = "0" + hour_int;
        else
            hour_str = hour_int + "";
        return hour_str;
    }

    // 获取分钟
    private String getMinute(TimePicker _timePicker) {
        String minute_str = "";
        int minute_int = _timePicker.getMinute();
        if (minute_int < 10)
            minute_str = "0" + minute_int;
        else
            minute_str = minute_int + "";
        return minute_str;
    }

    /**
     * initData
     */
    private void initData() {
        timePicker.setIs24HourView(true);
        timePicker.setDescendantFocusability(TimePicker.FOCUS_BLOCK_DESCENDANTS);

        // setDataPickerDividerColor(datePicker);
        //setTimePickerDividerColor(timePicker);
    }

    private void setDataPickerDividerColor(DatePicker timePicker) {
        LinearLayout llFirst = (LinearLayout) timePicker.getChildAt(0);
        LinearLayout mSpinners = (LinearLayout) llFirst.getChildAt(1);
        for (int i = 0; i < mSpinners.getChildCount(); i++) {
            if (mSpinners.getChildAt(i) instanceof NumberPicker) {
                Field[] pickerFields = NumberPicker.class.getDeclaredFields();
                setPickerMargin((NumberPicker) mSpinners.getChildAt(i));
                for (Field pf : pickerFields) {
                    if (pf.getName().equals("mSelectionDivider")) {
                        pf.setAccessible(true);
                        try {
                            pf.set(mSpinners.getChildAt(i), new ColorDrawable());
                        } catch (IllegalArgumentException e) {
                            e.printStackTrace();
                        } catch (Resources.NotFoundException e) {
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        }
                        break;
                    }
                }
            }
        }
    }

    private void setTimePickerDividerColor(TimePicker timePicker) {
        LinearLayout llFirst = (LinearLayout) timePicker.getChildAt(0);
        LinearLayout mSpinners = (LinearLayout) llFirst.getChildAt(1);
        for (int i = 0; i < mSpinners.getChildCount(); i++) {
            if (mSpinners.getChildAt(i) instanceof NumberPicker) {
                Field[] pickerFields = NumberPicker.class.getDeclaredFields();
                setPickerMargin((NumberPicker) mSpinners.getChildAt(i));
                for (Field pf : pickerFields) {
                    if (pf.getName().equals("mSelectionDivider")) {
                        pf.setAccessible(true);
                        try {
                            pf.set(mSpinners.getChildAt(i), new ColorDrawable());
                        } catch (IllegalArgumentException e) {
                            e.printStackTrace();
                        } catch (Resources.NotFoundException e) {
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        }
                        break;
                    }
                }
            }
        }
    }

    /**
     * 设置picker之间的间距
     */
    private void setPickerMargin(NumberPicker picker) {
        LinearLayout.LayoutParams p = (LinearLayout.LayoutParams) picker.getLayoutParams();
        p.setMargins(-getDensityValue(16, mContext), 0, -getDensityValue(16, mContext), 0);
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1) {
            p.setMarginStart(-getDensityValue(16, mContext));
            p.setMarginEnd(-getDensityValue(16, mContext));
        }
        setEditTextSize(picker);
    }

    /**
     * 设置picker字体大小
     */
    private void setEditTextSize(NumberPicker np) {
        if (null != np) {
            for (int i = 0; i < np.getChildCount(); i++) {
                View child = np.getChildAt(i);
                if (child instanceof EditText) {
                    EditText editText = (EditText) child;
                    editText.setTextSize(18);
                }
            }
        }
    }

    public interface ClickListenerInterface {
        void onCancelClick(LpTimeDialog dialog);

        void onConfirmClick(LpTimeDialog dialog, String startTime);
    }

    public static int getDensityValue(float value, Context activity) {
        DisplayMetrics displayMetrics = activity.getResources().getDisplayMetrics();
        return (int) Math.ceil(value * displayMetrics.density);
    }

}