from OFS.Folder import Folder
from Products.BTreeFolder2.BTreeFolder2 import BTreeFolder2
from Globals import Persistent, Acquisition
from utils import cookString

from zope.interface import implements
import zope
from zope.component import getUtility
from ZPublisher.HTTPRequest import FileUpload
from interfaces import IToolsManager, ITool, IAffordanceManager
from Tool import Tool

class ToolsManager(Persistent, Folder, Acquisition.Implicit):

    implements(IToolsManager)
    meta_type = 'ToolsManager'
    id = 'tools'

    def getTools(self):
        return self.objectValues('Tool')

    def getToolIds(self):
        return self.objectIds('Tool')

    def listTools(self):
        """ list tools for "Tools" tab.
        {'toolid': {'title':'Yahoo!', 'img'} }
        """
        res = []
        for t in self.getTools():

            if t.getHasThumbnail():
                turl = 'tools/'+t.id+'/getThumbnail'
            else:
                turl = '++resource++styles/tool_default.png'
            res.append({'id': t.id.encode('utf-8'), 'title': t.title.encode('utf-8'), 'img': turl})
        return str(res).replace("'", '"')

    def newToolForm(self):
        """ new Tool adding form """
        # general parameters
        left = '<div id="ntfl">'

        sch = zope.schema.getFields(ITool)
        # l.order
        # <class 'zope.schema._bootstrapfields.TextLine'>

        lres = []
        for x in sch.keys():
            f = sch.get(x)
            ltmp = ""
            ltmp += '<div class="field">'
            ltmp += '<div class="fieldtitle">'+f.title.encode('utf-8')+"</div>"
            #ltmp += '<div class="field_edit_div">'
            ltmp += '<div class="fielddescr">'+f.description.encode('utf-8')+"</div>"
            if 'TextLine' in str(f):
                ltmp += '<div><input type="text" value="" name="'+f.getName()+'"</div>'
            elif 'Text' in str(f):
                ltmp += '<div><textarea name="'+f.getName()+'"</textarea></div>'
            elif 'Bytes' in str(f): # let's assume bytes are always upload forms
                ltmp += '<input type="file" name="'+f.getName()+'" value="" />'
            else:
                raise 'Panic! Unknown field type', f
            #ltmp += '</div>'
            ltmp += '</div>'
            lres.append([f.order, ltmp])

        lres.sort()
        lres = [ x[1] for x in lres]
        left += ''.join(lres)
        left += "<br /><br /><br />"
        left += '</div>'
        
        # affordances
        right = '<div id="ntfr">'
        am = getUtility(IAffordanceManager)
        for a in am.getAffordances():
            rtmp = ""
            rtmp += '<div class="field">'
            rtmp += '<div>'+a.title.encode('utf-8')+'</div>'
            rtmp += '<div><input type="text" value="0" name="af'+a.id.encode('utf-8')+'" /></div>'
            rtmp += '</div>'
            right += rtmp
        right += '</div>'
        res = '<form id="toolSaveForm" name="toolSaveForm" action="tools/createNewTool" method="post">'
        res += left + right
        res += '</form>'
        return res

    def createNewTool(self, REQUEST):
        """ create a new tool. returns an ID of new tool just created """
        #raise 'we got post!'
        sch = zope.schema.getFields(ITool)
        t = Tool('tmp_id', 'tmp title')

        for x in sch.keys():
            f = sch.get(x)
            name = f.getName()
            val = REQUEST.get(name, None)
            if val is None:
                raise 'cannot find', name
            print name, val
            if isinstance(val, FileUpload):
                if val.filename:
                    print "setting thumbnail"
                    f.set(t, val.read())
                    t.setHasThumbnail(True)
                else:
                    print "not setting thumbnail"
            else:
                f.set(t, val.decode('utf-8'))

        # affordances are prefixed with 'af'
        am = getUtility(IAffordanceManager)
        for a in am.getAffordances():
            name = a.id
            val = REQUEST.get('af'+name, None)
            if val is None:
                raise 'cannot find affordance value', name
            t.setAffordanceData(name, val)
            
        t.id = cookString(t.title).encode('utf-8')
        print "id:", t.id, type(t.id)
        self._setObject(t.id, t)
        return t.id