# -*- encoding: utf-8 -*-
##############################################################################
#
#    OpenERP, Open Source Management Solution	
#    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
#    $Id$
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from osv import fields,osv
from osv import orm

from tools.translate import _

def _get_answers(cr, uid, ids):
    query = """
    select distinct(answer)
    from profile_question_yes_rel
    where profile in (%s)"""% ','.join([str(i) for i in ids ])

    cr.execute(query)
    ans_yes = [x[0] for x in cr.fetchall()]

    query = """
    select distinct(answer)
    from profile_question_no_rel
    where profile in (%s)"""% ','.join([str(i) for i in ids ])

    cr.execute(query)
    ans_no = [x[0] for x in cr.fetchall()]

    return [ans_yes, ans_no]


def _get_parents(cr, uid, ids):
    ids_to_check = ids
    cr.execute("""
     select distinct(parent_id)
     from crm_segmentation
     where parent_id is not null
     and id in (%s)""" % ','.join([str(i) for i in ids ]))

    parent_ids = [x[0] for x in cr.fetchall()]

    trigger = False
    for x in parent_ids:
        if x not in ids_to_check:
            ids_to_check.append(x)
            trigger = True

    if trigger:
        ids_to_check = _get_parents(cr, uid, ids_to_check)

    return ids_to_check


def test_prof(cr, uid, seg_id, pid, answers_ids = []):
#return True if the partner pid fetch the segmentation rule seg_id
    ids_to_check = _get_parents(cr, uid, [seg_id])
    [yes_answers, no_answers] = _get_answers(cr, uid, ids_to_check)
    temp = True
    for y_ans in yes_answers:
        if y_ans not in answers_ids:
            temp = False
            break
    if temp:
        for ans in answers_ids:
            if ans in no_answers:
                temp = False
                break
    if temp:
        return True
    return False


def _recompute_categ(self, cr, uid, pid, answers_ids):
    ok =  []
    cr.execute('''
        select r.category_id 
        from res_partner_category_rel r left join crm_segmentation s on (r.category_id = s.categ_id) 
        where r.partner_id = %s and (s.exclusif = false or s.exclusif is null)
        ''', (pid,))
    for x in cr.fetchall():
        ok.append(x[0])

    query = '''
        select id, categ_id 
        from crm_segmentation 
        where profiling_active = true''' 
    if ok != []:
        query = query +''' and categ_id not in(%s)'''% ','.join([str(i) for i in ok ])
    query = query + ''' order by id '''

    cr.execute(query)
    segm_cat_ids = cr.fetchall()

    for (segm_id, cat_id) in segm_cat_ids:
        if test_prof(cr, uid, segm_id, pid, answers_ids):
            ok.append(cat_id)
    return ok


class question(osv.osv):
    _name="crm_profiling.question"
    _description= "Question"
    _columns={
        'name': fields.char("Question",size=128, required=True),
        'answers_ids': fields.one2many("crm_profiling.answer","question_id","Avalaible answers",),
        }

question()


class questionnaire(osv.osv):
    _name="crm_profiling.questionnaire"
    _description= "Questionnaire"

    def build_form(self, cr, uid, data, context):
        query = """
        select name, id
        from crm_profiling_question
        where id in ( select question from profile_questionnaire_quest_rel where questionnaire = %s)"""
        res = cr.execute(query, (data['form']['questionnaire_name'],))
        result = cr.fetchall()
        quest_fields={}
        quest_form='''<?xml version="1.0"?>
            <form string="%s">''' % _('Questionnaire')
        for name, oid in result:
            quest_form = quest_form + '<field name="quest_form%d"/><newline/>' % (oid,)
            quest_fields['quest_form%d' % (oid,)] = {'string': name, 'type': 'many2one', 'relation': 'crm_profiling.answer', 'domain': [('question_id','=',oid)] }
        quest_form = quest_form + '''</form>'''      
        return quest_form, quest_fields

    _columns = {
        'name': fields.char("Questionnaire",size=128, required=True),
        'description':fields.text("Description", required=True),
        'questions_ids': fields.many2many('crm_profiling.question','profile_questionnaire_quest_rel','questionnaire', 'question', "Questions"),
    }

questionnaire()


class answer(osv.osv):
    _name="crm_profiling.answer"
    _description="Answer"
    _columns={
        "name": fields.char("Answer",size=128, required=True),
        "question_id": fields.many2one('crm_profiling.question',"Question"),
        }
answer()


class partner(osv.osv):
    _inherit="res.partner"
    _columns={
        "answers_ids": fields.many2many("crm_profiling.answer","partner_question_rel","partner","answer","Answers"),
        }

    def _questionnaire_compute(self, cr, uid, data, context):
        temp = []
        for x in data['form']:
            if x.startswith("quest_form") and data['form'][x] != 0 :
                temp.append(data['form'][x])

        query = "select answer from partner_question_rel where partner=%s"
        cr.execute(query, (data['id'],))
        for x in cr.fetchall():
            temp.append(x[0])

        self.write(cr, uid, [data['id']],{'answers_ids':[[6,0,temp]]}, context)
        return {}


    def write(self, cr, uid, ids, vals, context=None):
        if not context:
            context={}
        if 'answers_ids' in vals:
            vals['category_id']=[[6, 0, _recompute_categ(self, cr, uid, ids[0], vals['answers_ids'][0][2])]]
        return super(partner, self).write(cr, uid, ids, vals, context=context)

partner()


class crm_segmentation(osv.osv):
    _inherit="crm.segmentation"
    _columns={
        "answer_yes": fields.many2many("crm_profiling.answer","profile_question_yes_rel","profile","answer","Included Answers"),
        "answer_no": fields.many2many("crm_profiling.answer","profile_question_no_rel","profile","answer","Excluded Answers"),
        'parent_id': fields.many2one('crm.segmentation', 'Parent Profile'),
        'child_ids': fields.one2many('crm.segmentation', 'parent_id', 'Child Profiles'),
        'profiling_active': fields.boolean('Use The Profiling Rules', help='Check this box if you want to use this tab as part of the segmentation rule. If not checked, the criteria beneath will be ignored')
        }
    _constraints = [
        (orm.orm.check_recursion, 'Error ! You can not create recursive profiles.', ['parent_id'])
    ]

    def process_continue(self, cr, uid, ids, start=False):
        categs = self.read(cr,uid,ids,['categ_id','exclusif','partner_id', 'sales_purchase_active', 'profiling_active'])
        for categ in categs:
            if start:
                if categ['exclusif']:
                    cr.execute('delete from res_partner_category_rel where category_id=%s', (categ['categ_id'][0],))

            id = categ['id']            

            cr.execute('select id from res_partner order by id ')
            partners = [x[0] for x in cr.fetchall()]

            if categ['sales_purchase_active']:
                to_remove_list=[]
                cr.execute('select id from crm_segmentation_line where segmentation_id=%s', (id,))
                line_ids = [x[0] for x in cr.fetchall()]

                for pid in partners:
                    if (not self.pool.get('crm.segmentation.line').test(cr, uid, line_ids, pid)):
                        to_remove_list.append(pid)
                for pid in to_remove_list:
                    partners.remove(pid)

            if categ['profiling_active']:
                to_remove_list=[]
                for pid in partners:

                    cr.execute('select distinct(answer) from partner_question_rel where partner=%s',(pid,))
                    answers_ids = [x[0] for x in cr.fetchall()]

                    if (not test_prof(cr, uid, id, pid, answers_ids)):
                        to_remove_list.append(pid)
                for pid in to_remove_list:
                    partners.remove(pid)

            for partner_id in partners:
                cr.execute('insert into res_partner_category_rel (category_id,partner_id) values (%s,%s)', (categ['categ_id'][0],partner_id))
            cr.commit()

            self.write(cr, uid, [id], {'state':'not running', 'partner_id':0})
            cr.commit()
        return True

crm_segmentation()
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: