package utils;

import config.subConfig.AxisConfig;
import config.subConfig.TemplateConfig;
import constant.Constant;
import model.Room;
import model.template.Template;
import model.template.TemplateShadow;

import java.awt.*;
import java.util.ArrayList;
import java.util.List;

/**
 * @author duh
 * @create 2018/7/17 20:10
 * @email duh@elab-plus.com
 **/
public class TemplateUtils {
    private static Room room;
    private static AxisConfig axisPointConfig;
    public static void drawTemplate(Template template, Graphics g){
        if(null == room){
            System.out.println("--------------room is not exist !!");
            return;
        }
        drawTemplateName(template,g);
        drawTemplateSelf(template,g);
        drawShadow(template,g);
    }

    private static void drawTemplateName(Template template, Graphics g) {
        int x1 = room.getX()+template.getX()+template.getLength()/2;
        int y1 = room.getY()+template.getY()+template.getWidth()/2;
        g.drawString(template.getName(), x1, y1);
    }

    private static void drawTemplateSelf(Template template, Graphics g){
        int length = template.getLength();
        int width = template.getWidth();
        int x1 = room.getX()+template.getX();
        int y1 = room.getY()+template.getY();

        Graphics2D g2d = (Graphics2D) g.create();
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setColor(Color.RED);
        if(length < 0){
            length=-length;
            x1 = x1-length;
        }
        if(width < 0){
            width=-width;
            y1=y1-width;
        }
        g2d.drawRect(x1,y1,length,width);
        drawAlignWall(template, length, width, x1, y1, g2d);

        g2d.dispose();
    }

    /**
     * x1 y1 为四边形左上角顶点
     * @param template
     * @param length
     * @param width
     * @param x1
     * @param y1
     * @param g2d
     */
    private static void drawAlignWall(Template template, int length, int width, int x1, int y1, Graphics2D g2d) {
        //绘制贴墙边
        List<Integer> alignWall = template.getAlignWall();
        for (int alignWallValue : alignWall){
            switch (alignWallValue){
                case 1:
                    g2d.fillRect(x1,y1+width- Constant.CLOSE_WALL_LINE_WIDTH/2,length,Constant.CLOSE_WALL_LINE_WIDTH);
                    break;
                case 2:
                    g2d.fillRect(x1+length-Constant.CLOSE_WALL_LINE_WIDTH/2,y1,Constant.CLOSE_WALL_LINE_WIDTH,width);
                    break;
                case 3:
                    g2d.fillRect(x1,y1- Constant.CLOSE_WALL_LINE_WIDTH/2,length,Constant.CLOSE_WALL_LINE_WIDTH);
                    break;
                case 4:
                    g2d.fillRect(x1-Constant.CLOSE_WALL_LINE_WIDTH/2,y1,Constant.CLOSE_WALL_LINE_WIDTH,width);
                    break;
            }
        }
    }

    /**
     * 绕接入点逆时针旋转rotateRange度 目前支持90的倍数 0：0 1：90 2：180 3：270
     * @param template
     * @param g
     * @param rotateRange
     */
    private static void drawTemplateSelfByRotate(Template template, Graphics g,int rotateRange){
        routeTemplate(template,rotateRange);
    }

    /**
     * 旋转
     * @param template
     * @param rotateRange
     */
    public static void routeTemplate(Template template, int rotateRange) {
        int length = template.getLength();
        int width = template.getWidth();
        changeTemplateAlignWall(template,rotateRange);
        switch (rotateRange){
            case 1:
                template.setLength(width);
                template.setWidth(-length);
                break;
            case 2:
                template.setLength(-length);
                template.setWidth(-width);
                break;
            case 3:
                template.setLength(-width);
                template.setWidth(length);
                break;
        }
        routeTemplateShadow(template,rotateRange);
    }

    public static void routeTemplateShadow(Template template, int rotateRange) {
        TemplateShadow shadow = template.getShadow();
        int routeX = template.getX();
        int routeY = template.getY();
        int shadowX = shadow.getX();
        int shadowY = shadow.getY();
        switch (rotateRange){
            case 1:
                shadow.setX(shadowY);
                shadow.setY(-shadowX);
                break;
            case 2:
                shadow.setX(-shadowX);
                shadow.setY(-shadowY);
                break;
            case 3:
                shadow.setX(-shadowY);
                shadow.setY(shadowX);
                break;
        }
        shadow.setDirect((shadow.getDirect()+rotateRange-1)%4+1);
    }

    public static void changeTemplateAlignWall(Template template,int rotateRange){
        List<Integer> list = template.getAlignWall();
        List<Integer> newlist = new ArrayList<>();
        for(int i = 0;i<list.size();i++){
            int alignWall = list.get(i);
            alignWall = (alignWall+rotateRange-1)%4+1;
            newlist.add(alignWall);
        }
        template.setAlignWall(newlist);
    }
    /**
     * 平移
     * @param template
     * @param x,y
     */
    private static void moveTemplate(TemplateConfig template, int x, int y) {
        x = x*Constant.ENLARGE/Constant.NARROW;
        y = y*Constant.ENLARGE/Constant.NARROW;
        template.setX(template.getX()+x);
        template.setY(template.getY()+y);
    }
    private static void drawShadow(Template template, Graphics g){
        TemplateShadow shadow = template.getShadow();
        int cx = room.getX()+template.getX()+shadow.getX();
        int cy = room.getY()+template.getY()+shadow.getY();
        System.out.println(template.getName()+"阴影接入点:"+cx+","+cy);
        int x1,y1,x2,y2;
//        g.drawArc(cx,cy,6,6,0,360);
//        if(1==1){
//            return;
//        }
        Graphics2D g2d = (Graphics2D) g.create();
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setColor(Color.GRAY);
        int shadowWidth = shadow.getWidth();
        if(shadowWidth < 0){
            shadowWidth = -shadowWidth;
        }
        switch (shadow.getDirect()){
            case 1:
                x1 = cx-shadow.getWidth()/2;
                y1 = cy;
                g2d.fillRect(x1,y1,shadowWidth,shadow.getRadis());
                break;
            case 2:
                x1 = cx;
                y1 = cy - shadowWidth/2;
                g2d.fillRect(x1,y1,shadow.getRadis(),shadowWidth);
                break;
            case 3:
                x1 = cx-shadow.getRadis()/2;
                y1 = cy-shadowWidth;
                g2d.fillRect(x1,y1,shadowWidth,shadow.getRadis());
                break;
            case 4:
                x1 = cx-shadow.getRadis();
                y1 = cy-shadowWidth/2;
                g2d.fillRect(x1,y1,shadow.getRadis(),shadowWidth);
                break;
            default:break;
        }
        g2d.dispose();
    }

    public static boolean checkYiZhiArray(List<TemplateConfig> templateConfigs){
        int templateTotalLength = 0;
        for(TemplateConfig templateConfig : templateConfigs){
            List<Integer> alignWallList = templateConfig.getAlignWall();
            int length = templateConfig.getLength();
            int width = templateConfig.getWidth();
            if(alignWallList.size() == 1){
                int alignWall = alignWallList.get(0);
                if(alignWall%2 == 1){
                    templateTotalLength += length;
                }else {
                    templateTotalLength+=width;
                }
            }else {
                templateTotalLength+= (length<=width)?length:width;
            }
            System.out.println("templateTotalLength=" + templateTotalLength);
        }
        System.out.println("room.getLength()=" + room.getLength());
        return templateTotalLength<=room.getLength();
    }
    public static void calcYizhiTemplatesAndDraw(List<TemplateConfig> templateConfigs,Graphics g){
        List<Template> oneAlignWall = new ArrayList<>();
        List<Template> twoAlignWall = new ArrayList<>();
        for (TemplateConfig templateConfig : templateConfigs){
            Template template = new Template(templateConfig);
            List<Integer> alignWall = template.getAlignWall();
            if(alignWall.size() == 1){
                oneAlignWall.add(template);
            }else if(alignWall.size() == 2){
                twoAlignWall.add(template);
            }
        }
        drawTwoAlignWallTemplates(twoAlignWall,g);
        drawOneAlignWallTemplates(oneAlignWall,g);
    }

    private static void drawTwoAlignWallTemplates(List<Template> twoAlignWall, Graphics g) {
        int roomAlign = 3;
        int positionOff = 0;
        for(Template template:twoAlignWall){
            int begin = template.getAlignWall().get(0);
            int routeTimes = roomAlign-begin-1;
            if(routeTimes<0){
                routeTimes += 4;
            }
            if(routeTimes!=0){
                routeTemplate(template,routeTimes);
            }
            template.setX(room.getLength());
            template.setY(template.getY()-room.getWidth());
            drawTemplate(template,g);
        }
    }

    public static void drawOneAlignWallTemplates(List<Template> templates,Graphics g){
        int roomAlign = 3;
        int positionOff = 0;
        for (Template template : templates){
            List<Integer> alignWall = template.getAlignWall();
            int templateAlignWall = alignWall.get(0);
            int routeTimes = roomAlign-templateAlignWall%4;
            if(routeTimes<0){
                routeTimes+=4;
            }
            if(routeTimes!=0){
                routeTemplate(template,routeTimes);
            }
            template.setY(template.getY()-room.getWidth());
            if(template.getLength()<0){
                template.setX(template.getX()-template.getLength());
            }
            //放模板后，其他模板需要依次移动positionOff位置
            template.setX(template.getX()+positionOff);
            System.out.println("positionOff 1 = " + positionOff);
            if((templateAlignWall+routeTimes)%2==0){
                positionOff+=Math.abs(template.getWidth());
            }else {
                positionOff+=Math.abs(template.getLength());
            }
            System.out.println("positionOff 2 = " + positionOff);
            drawTemplate(template,g);
        }
    }
    public static void setRoom(Room room) {
        TemplateUtils.room = room;
    }

    public static AxisConfig getAxisPointConfig() {
        return axisPointConfig;
    }

    public static void setAxisPointConfig(AxisConfig axisPointConfig) {
        TemplateUtils.axisPointConfig = axisPointConfig;
    }
}