#!/usr/bin/env python2.7

# -*- coding: utf-8 -*- 

from genshi.template import TemplateLoader

loader = TemplateLoader('doc/tmpl', auto_reload=True)

import re

import inspect

from iro.user import User as Current

from iro.controller.viewinterface import Interface as New

from createerm import createSchemaPlot, tables

class Link():

    def __init__(self,name,title):

        self.name=name

        self.title=title

    def getLink(self):

        return self.name

    def __getitem__(self,name):

        if name == "link":

            return self.getLink()

        return AttributeError(name)

class Site(Link):

    pass

class Keyword():

    def __init__(self,name,typ,description):

        self.name=name

        self.typ=typ

        self.description=description

def section(text):

    ret={}

    li=[]

    kw=None

    for line in text.split("\n"):

        if re.match("^\s*$",line):

            continue

        if line[0] not in (" ","\t"):

            if kw:

                ret[kw.name]=kw

                li.append(kw)

            l=re.match(r"^(?P<name>[a-zA-Z0-9-_.]*)\[(?P<typ>[a-zA-Z0-9-_|]*)\]:(?P<d>.*)$",line)

            kw=Keyword(name=l.group("name"),typ=l.group("typ"),description=l.group("d"))

        else:

            kw.description+="\n"+line.strip()

    if kw:

        ret[kw.name]=kw

        li.append(kw)

    return ret,li

def keywords(f):

    doc=f.__doc__.decode('utf8')

    kwds=re.search("Keywords:\n(?P<keywords>(?P<whitespace>\s*)(.+\n)*)\n",doc)

    k=kwds.group("keywords")

    #get rid of beginning whitespaces

    k=re.sub(re.compile(r"^"+kwds.group("whitespace"),re.M),"",k)

    return section(k)

def ret(f):

    doc=f.__doc__.decode('utf8')

    kwds=re.search("Return:\n(?P<ret>(?P<whitespace>\s*)(.+\n)*)\n",doc)

    k=kwds.group("ret")

    #get rid of beginning whitespaces

    k=re.sub(re.compile(r"^"+kwds.group("whitespace"),re.M),"",k)

    return section(k)

class Arg():

    def __init__(self,name,f):

        self.name=name

        k,_ = keywords(f)

        kwd=k[name]

        self.typ=kwd.typ

        self.description=kwd.description

class Method(Link):

    def __init__(self,name,methods):

        title=name[0].upper()+name[1:]

        Link.__init__(self,name,title)

        m=methods[name]

        (args, varargs, keywords, defaults)=inspect.getargspec(m)

        args= [b for b in args if b is not "self"]

        self.func_line=inspect.formatargspec(args, varargs, keywords, defaults)

        self.description = m.__doc__.split("\n")[0].decode("utf8")

        self.args=[Arg(a,m) for a in args]

        _, self.rets=ret(m)

class Table(Link):

    def __init__(self,cls):

        name=cls.__name__

        self.tablename=cls.__tablename__

        title=self.tablename[0].upper()+self.tablename[1:]

        Link.__init__(self,name,title)

        self.description = cls.__doc__.split("\n")[0].decode("utf8") 

def main():

    sites=[Site("index.html","Iro"),

           Site("current.html","API Documentation"),

           Site("new.html","geplante API Documentation"),

           Site("database.html","Datenbank Schema"),

           Site("impressum.html","Impressum"),

           ]

    current_methods = dict(inspect.getmembers(Current(None,None)))

    current=[

            Method("startSMS",current_methods),

            Method("startFAX",current_methods),

            Method("startMail",current_methods),

            Method("status",current_methods),

            Method("stop",current_methods),

            Method("getProvider",current_methods),

            Method("getDefaultProvider",current_methods),

            ]

    new_methods = dict(inspect.getmembers(New()))

    newm=[

            Method("sms",new_methods),

            Method("fax",new_methods),

            Method("mail",new_methods),

            Method("status",new_methods),

            Method("stop",new_methods),

            Method("routes",new_methods),

            Method("defaultRoute",new_methods),

            ]

    t = [Table(f.class_) for f in tables]

    createSchemaPlot('doc/images/db-schema.svg')

    for site in sites:

        print("generiere %s" % site.name)

        tmpl = loader.load(site.name)

        def a(s):

            if s == site:

                return {"class":"menu active"}

        stream = tmpl.generate(sites=sites,active=a,current=current,new=newm,tables=t)

        with open('doc/'+site.name, "w") as g:

            g.write(stream.render('html', doctype='html'))

if __name__ == '__main__':

    main()