# this is a web interface for simple edits to configuration or editing data
# for particular bureaus
import configparser
import os

from bottle import Bottle, request

class IhrApp(Bottle):
    def __init__(self):
        super(IhrApp, self).__init__()
        self.name = "IHR App"
        self.route("/", callback=self.index)
        self.route("/config/<bureau>", callback=self.config)
        self.route("/config/<bureau>", callback=self.config, method="POST")
        self.bureaus = []

    def index(self):
        # return a list of active bureaus with links
        # TODO: allow (de)activation of non-essential bureaus
        out = """
              <h3>The Screenless Office</h3>
              <h4><em>Config Manager</em></h4>
              <ul>
              """
        for bureau in self.bureaus:
            out += '<li><a href="/config/"' + bureau + '"></li>\n'

        out += "</ul>"

        return out

    def config(self, bureau):
        # parse the config and make it into a form
        out = "<h3>config file for " + bureau + "</h3>\n"
        basedir = os.path.expanduser("~/.screenless")
        if bureau == "mgmt":
            cfgfile = "mgmt.ini"
        elif bureau == "printers":
            cfgfile = printers.cfg
        else:
            cfgfile = bureau + ".yml"
        cfgfile = os.path.join(basedir, cfgfile)
        if request.method == "POST":
            #save all the request.forms stuff to the config
            # tell the bureau to restart / reload
            # set our message to be "updated config"
            print("NOT saving updated ", cfgfile)
            pass
        #parse and show the config as a form 
        with open(cfgfile) as cfg:
            out += cfg.read()
        return out

    def register_bureau(self, bureau):
        self.bureaus.append(bureau)

    def register_crud(self, data):
        # adds callbacks for crud operations on a database
        pass