# -*- coding: utf-8 -*-
"""
/***************************************************************************
 DsgTools
                                 A QGIS plugin
 Brazilian Army Cartographic Production Tools
                              -------------------
        begin                : 2014-11-08
        git sha              : $Format:%H$
        copyright            : (C) 2014 by Luiz Andrade - Cartographic Engineer @ Brazilian Army
        email                : luiz.claudio@dsg.eb.mil.br
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
"""
from DsgTools.Factories.SqlFactory.sqlGenerator import SqlGenerator
from DsgTools.dsgEnums import DsgEnums

class SpatialiteSqlGenerator(SqlGenerator):
    def getComplexLinks(self, complex):
        sql = "SELECT complex_schema, complex, aggregated_schema, aggregated_class, column_name from public_complex_schema where complex = "+'\''+complex+'\''
        return sql

    def getComplexTablesFromDatabase(self):
        sql = "SELECT name FROM sqlite_master WHERE type='table' AND name LIKE 'complexos_%' ORDER BY name"
        return sql

    def getComplexData(self, complex_schema, complex):
        sql = "SELECT id, nome from "+complex_schema+"_"+complex
        return sql

    def getAssociatedFeaturesData(self, aggregated_schema, aggregated_class, column_name, complex_uuid):
        if aggregated_schema == 'complexos':
            sql = "SELECT id from "+aggregated_schema+"_"+aggregated_class+" where "+column_name+"="+'\''+complex_uuid+'\''
        else:
            sql = "SELECT OGC_FID from "+aggregated_schema+"_"+aggregated_class+" where "+column_name+"="+'\''+complex_uuid+'\''
        return sql

    def getLinkColumn(self, complexClass, aggregatedClass):
        if self.isComplexClass(aggregatedClass):
            sql = 'SELECT column_name from public_complex_schema where complex = \''+complexClass+'\''+' and aggregated_class = '+'\''+aggregatedClass[10:]+'\''
        else:
            sql = 'SELECT column_name from public_complex_schema where complex = \''+complexClass+'\''+' and aggregated_class = '+'\''+aggregatedClass+'\''
        return sql

    def getSrid(self, parameters = dict()):
        sql = "SELECT srid from geometry_columns"
        return sql

    def getTablesFromDatabase(self):
        sql = "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name"
        return sql

    def disassociateComplexFromComplex(self, aggregated_class, link_column, uuid):
        sql = "UPDATE "+aggregated_class+" SET "+link_column+"=NULL WHERE id = "+'\''+uuid+'\''
        return sql

    def isComplexClass(self, aggregatedClass):
        size = len(aggregatedClass.split('_')[0])
        if size == 9:
            return True
        return False

    def getTemplates(self):
        return None

    def getCreateDatabase(self, name):
        return None

    def insertFrameIntoTable(self, wkt):
        sql = "INSERT INTO public_aux_moldura_a(GEOMETRY) VALUES(GeomFromText("+wkt+"))"
        return sql

    def getElementCountFromLayer(self, layer):
        sql = "SELECT count(*) FROM "+layer
        return sql
    
    def createRole(self, mydict):
        return None

    def dropRole(self, role):
        return None
    
    def grantRole(self, user, role):
        return None
    
    def revokeRole(self, user, role):
        return None
        
    def getRoles(self):
        return None
    
    def getUserRelatedRoles(self):
        return None
    
    def getUsers(self):
        return None
    
    def createUser(self):
        return None    
    
    def removeUser(self):
        return None    

    def alterUserPass(self):
        return None 
    
    def validateWithDomain(self):
        return None
    
    def getNotNullFields(self):
        return None
     
    def getFeaturesWithSQL(self,layer,attrList):
        ls = ','.join(attrList)
        sql = 'SELECT %s FROM %s' % (ls,layer)
        return sql

    def getStructure(self,edgvVersion):
        sql = ''
        if edgvVersion == '2.1.3':
            sql = 'select name, sql from sqlite_master where type = \'table\' and (name like \'cb_%\' or name like \'complexos_%\' or name like \'public_%\')'
        elif edgvVersion == 'FTer_2a_Ed':
            sql = 'select name, sql from sqlite_master where type = \'table\' and (name like \'ge_%\' or name like \'pe_%\' or name like \'complexos_%\' or name like \'public_%\')' 
        return sql  
    
    def getAggregationColumn(self):
        sql = 'SELECT DISTINCT column_name FROM public_complex_schema'
        return sql

    def getAggregatorFromId(self, className, id):
       sql = 'SELECT id from %s where id =\'%s\'' % (className,id)
       return sql
   
    def getAggregatorFromComplexSchema(self,aggregated,aggregationColumn):
        sql = 'SELECT complex from public_complex_schema where aggregated_class = \'%s\' and aggregationColumn = \'%s\'' % (aggregated,aggregationColumn)
        return sql
    
    def createCustomSort(self):
        return None
    
    def getRolePrivileges(self, role, dbname):
        return None

    def isSuperUser(self,user):
        return None

    def getInvalidGeom(self, tableSchema, tableName):
        return None

    def makeRelationDict(self, table, in_clause):
        sql = 'select code, code_name from dominios_%s where code in %s' % (table, in_clause)
        return sql

    def checkValidationStructure(self):
        return None

    def createValidationStructure(self,srid):
        return None
    
    def getEDGVVersion(self):
        sql = "SELECT edgvversion FROM public_db_metadata LIMIT 1"
        return sql
    
    def getStylesFromDb(self, dbVersion):
        return None

    def getGeomTablesFromGeometryColumns(self):
        sql = 'select srid, f_geometry_column, type, f_table_name from geometry_columns'
        return sql

    def getGeomByPrimitive(self):
        sql = """select type, f_table_name from geometry_columns"""
        return sql
    
    def getGeomColumnDict(self):
        sql = """select f_geometry_column, f_table_name from geometry_columns"""
        return sql
    
    def insertFrame(self,scale,mi,inom,frame,srid,geoSrid, paramDict = dict()):
        sql = """INSERT INTO public_aux_moldura_a (mi,inom,escala,GEOMETRY) VALUES ('{0}','{1}','{2}',Transform(ST_GeomFromText('{3}',{4}), {5}))""".format(mi,inom,scale,frame,geoSrid,srid)
        return sql
    
    def getElementCountFromLayerV2(self, schema, table, useInheritance):
        layer = '_'.join([schema, table])
        return self.getElementCountFromLayer(layer)
    
    def getFullTablesName(self, name):
        sql = "SELECT f_table_name as name FROM geometry_columns WHERE f_table_name LIKE '%{0}%' ORDER BY name".format(name)
        return sql

    def getGeomColumnTupleList(self, showViews = False):
        sql = """select f_table_name, f_geometry_column, type from geometry_columns"""
        return sql