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## Copyright (C) 2006-2011, University of Utah. 
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## This file is part of VisTrails.
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###############################################################################
import copy
from vistrails.db.versions.v0_6_0.domain import DBVistrail, DBAction, DBTag, DBModule, \
    DBConnection, DBPortSpec, DBFunction, DBParameter, DBLocation, DBAdd, \
    DBChange, DBDelete, DBAnnotation, DBPort

def translateVistrail(_vistrail):
    # FIXME should this be a deepcopy?
    vistrail = DBVistrail()

    for _action in _vistrail.db_actions.itervalues():
        ops = []
        for op in _action.db_operations:
            if op.vtType == 'add':
                data = convert_data(op.db_data)
                ops.append(DBAdd(id=op.db_id,
                                 what=op.db_what, 
                                 objectId=op.db_objectId, 
                                 parentObjId=op.db_parentObjId, 
                                 parentObjType=op.db_parentObjType, 
                                 data=data))
            elif op.vtType == 'change':
                data = convert_data(op.db_data)
                ops.append(DBChange(id=op.db_id,
                                    what=op.db_what, 
                                    oldObjId=op.db_oldObjId, 
                                    newObjId=op.db_newObjId,
                                    parentObjId=op.db_parentObjId, 
                                    parentObjType=op.db_parentObjType, 
                                    data=data))
            elif op.vtType == 'delete':
                ops.append(DBDelete(id=op.db_id,
                                    what=op.db_what, 
                                    objectId=op.db_objectId, 
                                    parentObjId=op.db_parentObjId, 
                                    parentObjType=op.db_parentObjType))
        action = DBAction(id=_action.db_id,
                          prevId=_action.db_prevId, 
                          date=_action.db_date, 
                          user=_action.db_user, 
                          operations=ops)
        vistrail.db_add_action(action)

    for _tag in _vistrail.db_tags.itervalues():
        tag = DBTag(id=_tag.db_time,
                    name=_tag.db_name)
        vistrail.db_add_tag(tag)

    vistrail.db_version = '0.6.0'
    return vistrail

def convert_data(child):
    if child.vtType == 'module':
        return DBModule(id=child.db_id,
                        cache=child.db_cache, 
                        name=child.db_name)
    elif child.vtType == 'connection':
        return DBConnection(id=child.db_id)
    elif child.vtType == 'portSpec':
        return DBPortSpec(id=child.db_id,
                          name=child.db_name, 
                          type=child.db_type, 
                          spec=child.db_spec)
    elif child.vtType == 'function':
        return DBFunction(id=child.db_id,
                          pos=child.db_pos, 
                          name=child.db_name)
    elif child.vtType == 'parameter':
        return DBParameter(id=child.db_id,
                           pos=child.db_pos,
                           name=child.db_name, 
                           type=child.db_type, 
                           val=child.db_val, 
                           alias=child.db_alias)
    elif child.vtType == 'location':
        return DBLocation(id=child.db_id,
                          x=child.db_x,
                          y=child.db_y)
    elif child.vtType == 'annotation':
        return DBAnnotation(id=child.db_id,
                            key=child.db_key,
                            value=child.db_value)
    elif child.vtType == 'port':
        return DBPort(id=child.db_id,
                      type=child.db_type, 
                      moduleId=child.db_moduleId, 
                      moduleName=child.db_moduleName, 
                      sig=child.db_sig)
