###############################################################################
#
# Copyright (C) 2007-TODAY Tiny ERP Pvt Ltd. All Rights Reserved.
#
# $Id$
#
# Developed by Tiny (http://openerp.com) and Axelor (http://axelor.com).
#
# The OpenERP web client is distributed under the "OpenERP Public License".
# It's based on Mozilla Public License Version (MPL) 1.1 with following
# restrictions:
#
# -   All names, links and logos of Tiny, Open ERP and Axelor must be
#     kept as in original distribution without any changes in all software
#     screens, especially in start-up page and the software header, even if
#     the application source code has been changed or updated or code has been
#     added.
#
# -   All distributions of the software must keep source code with OEPL.
#
# -   All integrations to any other software must keep source code with OEPL.
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# If you need commercial licence to remove this kind of restriction please
# contact us.
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# You can see the MPL licence at: http://www.mozilla.org/MPL/MPL-1.1.html
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###############################################################################

from openerp.tools import expose
from openerp.tools import redirect

import cherrypy

from openerp import rpc
from openerp import common

from openerp.i18n import format
from openerp.utils import TinyDict
from openerp.controllers.base import SecuredController

import form
import actions

class ResourcePopup(form.Form):

    path = '/process/resource'    # mapping from root

    @expose(template="templates/process_open.mako")
    def create(self, params, tg_errors=None):
        params.editable = True

        if params.id and cherrypy.request.path_info == self.path + '/view':
            params.load_counter = 2

        form = self.create_form(params, tg_errors)
        return dict(form=form, params=params)

class Process(SecuredController):

    resource = ResourcePopup()

    @expose(template="templates/process.mako")
    def default(self, id=False, res_model=None, res_id=False):

        id = (id or False) and int(id)
        res_id = int(res_id)

        title = _("Select Workflow")
        selection = None

        proxy = rpc.RPCProxy('process.process')
        if id:
            res = proxy.read([id], ['name'], rpc.session.context)[0]
            title = res['name']
        else:
            selection = proxy.search_by_model(res_model, rpc.session.context)
            if res_model and not selection:
                selection = proxy.search_by_model(False, rpc.session.context)

            if len(selection) == 1:
                id, title = selection[0]
                selection = None

        return dict(id=id, res_model=res_model, res_id=res_id, title=title, selection=selection)

    @expose('json')
    def get(self, id, res_model=None, res_id=False):

        id = int(id)
        res_id = int(res_id)

        proxy = rpc.RPCProxy('process.process')
        graph = proxy.graph_get(id, res_model, res_id, (80, 80, 150, 100), rpc.session.context)

        related = (res_model or None) and proxy.search_by_model(res_model, rpc.session.context)
        graph['related'] = dict(related or {})

        if graph.get('resource'):
            graph['title'] = _("%(name)s - Resource: %(resource)s, State: %(state)s") % graph
        else:
            graph['title'] = graph['name']

        def update_perm(perm):
            perm = perm or {}

            try:
                perm['date'] = format.format_datetime(perm['write_date'] or perm['create_date'])
            except:
                pass

            perm['text'] = _("Last modified by:")
            perm['value'] = perm.get('write_uid') or perm.get('create_uid')
            if perm['value']:
                perm['value'] =  '%s (%s)' % (perm['value'][1], perm.get('date') or 'N/A')
            else:
                perm['value'] = 'N/A'

            return perm

        # last modified by
        graph['perm'] = update_perm(graph['perm'] or {})
        for nid, node in graph['nodes'].items():
            if not node.get('res'):
                continue
            node['res']['perm'] = update_perm(node['res']['perm'] or {})

        return graph

    @expose('json')
    def action(self, **kw):
        params, data = TinyDict.split(kw)

        button = TinyDict()

        button.model = params.model
        button.id = params.id
        button.name = params.action
        button.btype = params.kind

        params.button = button

        fobj = form.Form()

        error = ""
        try:
            res = fobj.button_action(params)
        except Exception, e:
            error = str(e)

        return dict(error=error)

    @expose(content_type='application/pdf')
    def print_workflow(self, id, model):
        return actions.execute_report("workflow.instance.graph", ids=[], id=int(id), model=model, nested=False)

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