"""
Local templates for the qplone3_theme
"""
import os, sys, re, datetime
from ConfigParser import SafeConfigParser
from paste.script import pluginlib

from zopeskel.base import var
from zopeskel.localcommands import ZopeSkelLocalTemplate

from quintagroup.themetemplate import getEggInfo
from quintagroup.themetemplate import getThemeVarsFP
from quintagroup.themetemplate.localcommands import QThemeSubTemplate

RESP = re.compile("\s+")
REBAN = re.compile("[\\\/\,\.\+\-\*\%\~\@\#\$\^\&\|\;\:\?\(\)\=\[\]\{\}\_]+")


class SkinLayerSubTemplate(QThemeSubTemplate):
    """
    A Plone Skin layer skeleton
    """
    _template_dir = 'templates/skinlayer'
    summary = "A Plone 3 Skin Layer"

    compo_template_markers = [
        ('layer4Skin',   'extra layer stuff goes here'),
    ]

    vars = [
      var('layer_name', 'Skin Layer name (should not contain spaces)',
           default="skin_layer"),
      var('insert_type', 'Where insert the layer ("after" or "before")', default="after"),
      var('insert_control_layer',
          'Layer after or before which your layer will be inserted, "*" accepted, which mean all',
          default='custom'),
           ]


class CSSSubTemplate(QThemeSubTemplate):
    """
    A Plone CSS resource skeleton
    """
    _template_dir = 'templates/cssresource'
    summary = "A Plone 3 CSS resource template"
    

    vars = [
      var('css_resource_name', 'Name of CSS resource',
           default="main.css"),
      var('css_file_path', 'Path to CSS file. If no path-empty file will be created.',
           default=''),
      var('cssreg_media', 'Optional.Possible values:screen,print,projection,handheld',
           default="screen", ),
      var('cssreg_rel', 'Optional', default="stylesheet"),
      var('cssreg_rendering', 'Optional.Possible values:import,link,inline', default="inline"),
      var('cssreg_cacheable', '', default="True"),
      var('cssreg_compression', 'Compression type', default="safe"),
      var('cssreg_cookable', 'Boolean, aka merging allowed', default="True"),
      var('cssreg_enables', 'Optional.Boolean', default="1"),
      var('cssreg_expression', 'Optional.A tal condition.', default=""),
           ]

    def pre(self, command, output_dir, vars):
        """ Set 'css_resource_content' value from css_file_path
        """
        super(CSSSubTemplate, self).pre(command, output_dir, vars)

        vars['css_resource_content'] = ''
        if os.path.isfile(vars['css_file_path']):
            vars['css_resource_content'] = file(vars['css_file_path'],'rb').read()


class JSSubTemplate(QThemeSubTemplate):
    """
    A Plone JS resource skeleton
    """
    _template_dir = 'templates/jsresource'
    summary = "A Plone 3 JS resource template"
    

    vars = [
      var('js_resource_name', 'Name of JS resource', default="foo.js"),
      var('js_file_path', 'Path to JS file. If no path - empty file will be created',
          default=''),
      var('jsreg_inline', 'Optional.Boolean', default="False"),
      var('jsreg_cacheable', '', default="True"),
      var('jsreg_compression', 'Compression type.Possible:none,safe,full,safe-encode,full-encode',
          default="safe"),
      var('jsreg_cookable', 'Boolean, aka merging allowed', default="True"),
      var('jsreg_enables', 'Optional.Boolean', default="1"),
      var('jsreg_expression', 'Optional.A tal condition.', default=""),
           ]

    def pre(self, command, output_dir, vars):
        """ Set 'js_resource_content' value from js_file_path
        """
        super(JSSubTemplate, self).pre(command, output_dir, vars)
        
        vars['js_resource_content'] = ''
        if os.path.isfile(vars['js_file_path']):
            vars['js_resource_content'] = file(vars['js_file_path'],'rb').read()


class ViewletOrderSubTemplate(QThemeSubTemplate):
    """
    A Plone Order Viewlet skeleton
    """
    _template_dir = 'templates/viewlet'
    summary = "A Plone 3 Order Viewlet template"
    
    # list of 2 item tuple -
    # (compotemplate_name, compo marker), for ex.:
    compo_template_markers = []

    shared_vars = ['viewlet_profile_marker',]

    vars = [
      var('viewlet_name', "Viewlet name", default='example'),
      var('viewlet_manager_interface', "Viewlet manager interface",
          default="plone.app.layout.viewlets.interfaces.IPortalHeader"),
      var('viewlet_manager_name', "Viewlet manager name", default='plone.portalheader'),
      var('viewlet_permission', "Viewlet permission", default="zope2.View"),


      var('insert_type', 'Where insert the viewlet ("after" or "before")', default="after"),
      var('insert_control_viewlet', 'Viewlet after or before which your viewlet will be inserted, ' \
          '"*" accepted, which mean all', default='*'),

      var('layer_interface', "Layer interface for registry this viewlet on", 
          default=".interfaces.IThemeSpecific"),
      var('layer_name', "Layer name for registry this viewlet on", default=""),
      #var('skinname', "Skin name, for bind viewlet to, '*' - mean for all", default=""),
      #var('skinbase', "Base skin, for get viewlets from", default=""),
           ]

    def pre(self, command, output_dir, vars):
        """ Set 'css_resource_content' value from css_file_path
        """
        super(ViewletOrderSubTemplate, self).pre(command, output_dir, vars)

        vn_lower_nospc = RESP.sub('',vars['viewlet_name']).lower()
        vn_lower_under = RESP.sub('_',vars['viewlet_name']).lower()
        VnCamel = ''.join([i.capitalize() for i in REBAN.sub(' ',vars['viewlet_name']).split()])
        vars['viewlet_class_name'] = VnCamel
        vars['viewlet_interface_name'] = "I"+VnCamel
        vars['viewlet_template_name'] = vn_lower_nospc+'_viewlet.pt'

        viewlet_profile_marker = "[order_%s] viewlet stuff goes here" % \
            '.'.join([vars['viewlet_manager_name'], vars['qplone3_theme_skinname'], 
                      vars['qplone3_theme_skinbase']])
        
        vars['add_order_tag'] = self.add_order_tag(output_dir, vars, viewlet_profile_marker)
        vars['viewlet_profile_marker'] = viewlet_profile_marker
        self.compo_template_markers.append(
            ('viewlet_profiles',viewlet_profile_marker))


    def add_order_tag(self, output_dir, vars, pmarker):
        need_update = True
        egg_info = getEggInfo(output_dir)
        theme_vars_fp = getThemeVarsFP(egg_info)

        if os.path.exists(theme_vars_fp):
            config = SafeConfigParser()
            config.read(theme_vars_fp)

            sec, opt = 'qplone3_theme', 'used_subtemplates'
            used_subtemplates = filter(None,[st.strip() \
                         for st in config.get(sec,opt).split(',')])
            
            if self.name in used_subtemplates:
                sections = [self.name,]
                if config.has_section('multiple_templates') and \
                  config.has_option('multiple_templates',self.name):
                    ms_sections = config.get('multiple_templates',self.name)
                    sections = [s.strip() for s in ms_sections.split(',')]

                pmarkers = [config.get(sec, 'viewlet_profile_marker') \
                            for sec in sections]
                if pmarker in pmarkers:
                    need_update = False

        return need_update


class ViewletHiddenSubTemplate(QThemeSubTemplate):
    """
    A Plone Hidden Viewlet skeleton
    """
    _template_dir = 'templates/viewlet_hidden'
    summary = "A Plone 3 Hidden Viewlet template"

    shared_vars = ['viewlet_profile_marker',]

    compo_template_markers = []
    
    vars = [
      var('viewlet_name', "Viewlet name", default='plone.global_sections'),
      var('viewlet_manager_name', "Viewlet manager name", default='plone.portalheader'),
      #var('skinname', "Skin name, for bind viewlet to, may be '*'", default=""),
           ]

    def pre(self, command, output_dir, vars):
        """ Set 'css_resource_content' value from css_file_path
        """
        super(ViewletHiddenSubTemplate, self).pre(command, output_dir, vars)
         
        viewlet_profile_marker = "[hidden_%s] viewlet stuff goes here" % \
            '.'.join([vars['viewlet_manager_name'], vars['qplone3_theme_skinname']])

        vars['add_hidden_tag'] = self.add_hidden_tag(output_dir, vars, viewlet_profile_marker)
        vars['viewlet_profile_marker'] = viewlet_profile_marker
        self.compo_template_markers.append(
            ('viewlet_hidden_profiles',viewlet_profile_marker))


    def add_hidden_tag(self, output_dir, vars, pmarker):
        add_hidden = True
        egg_info = getEggInfo(output_dir)
        theme_vars_fp = getThemeVarsFP(egg_info)

        if os.path.exists(theme_vars_fp):
            config = SafeConfigParser()
            config.read(theme_vars_fp)

            sec, opt = 'qplone3_theme', 'used_subtemplates'
            used_subtemplates = filter(None,[st.strip() \
                         for st in config.get(sec,opt).split(',')])
            
            if self.name in used_subtemplates:
                sections = [self.name,]
                if config.has_section('multiple_templates') and \
                  config.has_option('multiple_templates',self.name):
                    ms_sections = config.get('multiple_templates',self.name)
                    sections = [s.strip() for s in ms_sections.split(',')]

                pmarkers = [config.get(sec, 'viewlet_profile_marker') \
                            for sec in sections]
                if pmarker in pmarkers:
                    add_hidden = False
        return add_hidden

class ImportSubTemplate(QThemeSubTemplate):
    """
    A skeleton for importing zexp objects into portal on theme installation
    """
    _template_dir = 'templates/importing'
    summary = "A template for importing zexp-objects into portal on installation"
    
    def pre(self, command, output_dir, vars):
        """ Set timestamp var for generate import_steps profile id
        """
        super(ImportSubTemplate, self).pre(command, output_dir, vars)

        vars['timestamp'] = datetime.date.today().strftime("%Y%m%d")
        vars['already_used'] = self.already_used(vars)

    def already_used(self, vars):
        used = vars.get('qplone3_theme_used_subtemplates','').split(',')
        return self.name in filter(None,[st.strip() for st in used])