package com.example.smart.widget.dialog;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Rect;
import android.graphics.RectF;
import android.text.Layout;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.util.AttributeSet;
import android.view.View;

import androidx.annotation.Nullable;

import com.example.basecore.util.LogUtils;

/**
 * 箭头气泡view
 */
public class BubbuleView extends View {

    private Paint mpaint;    //画笔
    private TextPaint textPaint;  //文字画笔

    public static final int RECT_RADIO = 20;  //背景的圆角度
    private Path path2 = new Path();
    private float mTriangleArrowSizePX;
    private String title = "主播可分得麦手礼物收入的10%";

    /**
     * 是否换行
     */
    private boolean isFoldText;

    private int leftMargin;
    private int verticalMargin;
    private int horizontalMargin;
    private float titlesize_px;

    private Rect titlebound;//标题的宽高

    private RectF bgRect;

    private int mTxtWidth, mTxtHeight;
    private int mWidth, mHeight;

    public BubbuleView(Context context) {
        super(context);
        init();
    }

    public BubbuleView(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public BubbuleView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }


    private void init() {
        mpaint = new Paint();
        textPaint = new TextPaint();
        mpaint.setAntiAlias(true);
        textPaint.setAntiAlias(true);
        mpaint.setColor(Color.parseColor("#ff8200"));
        textPaint.setColor(Color.parseColor("#ffffff"));

        mTriangleArrowSizePX = dip2px(getContext(), 7);
        leftMargin = dip2px(getContext(), 12);
        titlesize_px = dip2px(getContext(), 10);
        verticalMargin = dip2px(getContext(), 8);
        horizontalMargin = dip2px(getContext(), 10);

        textPaint.setTextSize(titlesize_px);

        titlebound = new Rect();
        bgRect = new RectF();

        setFoldText();
        measureWidthAndHeight();
    }

    public void setFoldText() {
        this.isFoldText = true;
        title = "主播可分得麦手礼物\n收入的10%";
        measureWidthAndHeight();
    }

    private void measureWidthAndHeight() {
        textPaint.getTextBounds(title, 0, title.length(), titlebound);
        mTxtWidth = titlebound.width();
        mTxtHeight = titlebound.height();
        LogUtils.e("txt width = " + mTxtWidth + ",height = " + mTxtHeight);

        if (isFoldText) {
            Rect rtemp = new Rect();
            String str = "主播可分得麦手礼物";
            textPaint.getTextBounds(str, 0, str.length(), rtemp);
            mTxtWidth = rtemp.width();
            //不知道为什么要补偿5
            StaticLayout myStaticLayout = new StaticLayout(title, textPaint, mTxtWidth + 5,
                    Layout.Alignment.ALIGN_NORMAL, 1f, 0.0f, false);

            mTxtHeight = myStaticLayout.getHeight();
            LogUtils.e("fold txt width = " + mTxtWidth + ",height = " + mTxtHeight);
        }
        requestLayout();
    }


    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        int paddingleftandright = getPaddingLeft() + getPaddingRight();
        int paddingtopandbottom = getPaddingTop() + getPaddingBottom();

        //宽度和高度
        mWidth = mTxtWidth + paddingleftandright;
        mHeight = (int) (mTxtHeight + paddingtopandbottom + mTriangleArrowSizePX);
        LogUtils.e(" width = " + mWidth + ",height = " + mHeight);
        bgRect.set(0, mTriangleArrowSizePX, mWidth, mHeight);
        setMeasuredDimension(mWidth, mHeight);
    }


    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        //画背景
        canvas.drawRoundRect(bgRect, RECT_RADIO, RECT_RADIO, mpaint);

        //画三角
        path2.moveTo(leftMargin, mTriangleArrowSizePX);
        path2.lineTo(leftMargin + (mTriangleArrowSizePX / 2) + 6, 0);
        //补偿4dp
        path2.lineTo(leftMargin + mTriangleArrowSizePX + 12, mTriangleArrowSizePX);
        path2.close();
        canvas.drawPath(path2, mpaint);

        //画文字
        if (isFoldText) {
            StaticLayout myStaticLayout = new StaticLayout(title, textPaint, titlebound.width() + 5,
                    Layout.Alignment.ALIGN_NORMAL, 1f, 0.0f, false);
            canvas.translate(horizontalMargin, verticalMargin + mTriangleArrowSizePX);
            myStaticLayout.draw(canvas);
        } else {
            canvas.drawText(title, horizontalMargin, verticalMargin + mTxtHeight + mTriangleArrowSizePX, textPaint);
        }

    }


    public int dip2px(Context context, float dpValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dpValue * scale + 0.5f);
    }
}