import math
import sys

from pysvg import text,circle,polygon,svgdoc
from orthographic import globeplotter

jscode = """function showToolTip(evt,tid,show) {
    var elem = document.getElementById(tid);
    elem.style.display = show ? 'block' : 'none';
   
    var x = evt.pageX;
    var y = evt.pageY;
    
    elem.setAttribute("x",String(x));
    elem.setAttribute("y",String(y));
    
    var elems = document.getElementsByClassName(tid);
    for(i=0;i<elems.length;i++) {
        elems[i].setAttribute("stroke-width",show ? "1" : "0"); 
    }   
}
"""

class pyglobe(object):
    
    def __init__(self,lat,lon,r,title):
        self.regions = []
        self.r = r
        self.plot = globeplotter(lat,lon,r)
        self.tooltips = []
        self.title = title
        self.starty = 75

    def addRegion(self,region,fill,classname):
        points = self.plot.plot(region)
        
        if points and len(points) > 1:
            adjpoints = []
            for (x,y) in points:
                adjpoints.append((x,y+self.starty))        
            self.regions.append(polygon(adjpoints,fill,(255,0,0),0,classname))

    def addTooltip(self,label,classname):
        self.tooltips.append(text(0,0,label,True,classname))


    def render(self,outpath):

        svg = svgdoc(200+int(self.r*2),self.starty+int(self.r*2),jscode)

        # add the title
        title = text(40,40,self.title)
        title.addStyle("font-size","24px")
        svg.add(title)

        # add a blue circle representing the worlds oceans, as a background
        svg.add(circle(self.r,self.r+self.starty,self.r,"rgb(128,128,255)"))

        # add country data (polygons for visible regions)
        for region in self.regions:
            svg.add(region)
        for tooltip in self.tooltips:
            svg.add(tooltip)

        # write the svg contents to file
        if outpath:
            f = open(outpath,"w+")
            f.write(svg.render())
            f.close()
        else:
            print svg.render()