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from vistrails.db.versions.v0_9_3.domain import DBVistrail, DBWorkflow, DBLog, \
    DBAbstractionRef, DBAdd, DBChange, DBDelete, DBAbstractionRef, DBGroup, \
    DBModule

def update_workflow(old_obj, translate_dict):
    return DBWorkflow.update_version(old_obj.db_workflow, 
                                     translate_dict, DBWorkflow())

def update_modules(old_obj, trans_dict):
    new_modules = []
    for obj in old_obj.db_modules:
        if obj.vtType == 'module':
            new_modules.append(DBModule.update_version(obj, trans_dict))
        elif obj.vtType == 'abstraction':
            new_modules.append(DBAbstractionRef.update_version(obj,
                                                               trans_dict))
        elif obj.vtType == 'group':
            new_modules.append(DBGroup.update_version(obj, trans_dict))
    return new_modules

def translateVistrail(_vistrail):
    def update_operations(old_obj, trans_dict):
        def update_abstraction(old_obj, trans_dict):
            def get_version(old_obj, trans_dict):
                return long(old_obj.db_internal_version)
            new_dict = {'DBAbstractionRef': {'version': get_version}}
            new_dict.update(trans_dict)
            return DBAbstractionRef.update_version(old_obj.db_data, new_dict)
        new_ops = []
        for obj in old_obj.db_operations:
            if obj.vtType == 'add':
                if obj.db_what == 'abstraction':
                    trans_dict['DBAdd'] = {'data': update_abstraction}
                    new_op = DBAdd.update_version(obj, trans_dict)
                    new_op.db_what = 'abstractionRef'
                    new_ops.append(new_op)
                    del trans_dict['DBAdd']
                else:
                    new_op = DBAdd.update_version(obj, trans_dict)
                    if obj.db_parentObjType == 'abstraction':
                        new_op.db_parentObjType = 'abstractionRef'
                    new_ops.append(new_op)
            elif obj.vtType == 'delete':
                new_ops.append(DBDelete.update_version(obj, trans_dict))
            elif obj.vtType == 'change':
                if obj.db_what == 'abstraction':
                    trans_dict['DBChange'] = {'data': update_abstraction}
                    new_op = DBChange.update_version(obj, trans_dict)
                    new_op.db_what = 'abstractionRef'
                    new_ops.append(new_op)
                    del trans_dict['DBChange']
                else:
                    new_op = DBChange.update_version(obj, trans_dict)
                    if obj.db_parentObjType == 'abstraction':
                        new_op.db_parentObjType = 'abstractionRef'
                    new_ops.append(new_op)
        return new_ops

    translate_dict = {'DBGroup': {'workflow': update_workflow},
                      'DBAction': {'operations': update_operations},
                      'DBWorkflow': {'modules': update_modules}}
    # pass DBVistrail because domain contains enriched version of the auto_gen
    vistrail = DBVistrail.update_version(_vistrail, translate_dict)
    vistrail.db_version = '0.9.3'
    return vistrail

def translateWorkflow(_workflow):
    translate_dict = {'DBGroup': {'workflow': update_workflow},
                      'DBWorkflow': {'modules': update_modules}}
    workflow = DBWorkflow.update_version(_workflow, translate_dict)
    workflow.db_version = '0.9.3'
    return workflow

def translateLog(_log):
    translate_dict = {}
    log = DBLog.update_version(_log, translate_dict)
    log.db_version = '0.9.3'
    return log

