# *****************************************************************************
# Written by Ritchie Lee, ritchie.lee@sv.cmu.edu
# *****************************************************************************
# Copyright ã 2015, United States Government, as represented by the
# Administrator of the National Aeronautics and Space Administration. All
# rights reserved.  The Reinforcement Learning Encounter Simulator (RLES)
# platform is licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License. You
# may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0. Unless required by applicable
# law or agreed to in writing, software distributed under the License is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the specific language
# governing permissions and limitations under the License.
# _____________________________________________________________________________
# Reinforcement Learning Encounter Simulator (RLES) includes the following
# third party software. The SISLES.jl package is licensed under the MIT Expat
# License: Copyright (c) 2014: Youngjun Kim.
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED
# "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# *****************************************************************************

module DefineSave

export TrajLog
export trajSave, trajLoad, getSaveFileRoot
export readdirSavs, isSave

using RLESUtils, FileUtils, Loggers

import Base: getindex, copy!, haskey

immutable TrajLog
    log::TaggedDFLogger
end

function trajSave(fileroot::AbstractString, d::TrajLog)
    file = LogFile("$fileroot")
    save_log(file, d.log)
    name(file) #return
end

getindex(d::TrajLog, x) = getindex(d.log, x)

function trajLoad(logfile::AbstractString)
    file = LogFile(logfile)
    TrajLog(load_log(file)) #return
end

readdirSavs(dir::AbstractString=".") = readdir_ext(".sav", dir)
isSave(f::AbstractString) = endswith(f, ".sav")

function getSaveFileRoot(file::AbstractString)
    splitext(file)[1]
end

function copy!(dst::TrajLog, src::TrajLog)
    for k in keys(src.log)
        dst.log[k] = src.log[k]
    end
    dst
end

haskey(d::TrajLog, k::String) = haskey(d.log, k)

end #module
