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from . import LibraryIO
from .Tensile import addCommonArguments, argUpdatedGlobalParameters

from .Common.GlobalParameters import assignGlobalParameters, restoreDefaultGlobalParameters, globalParameters, __version__
from .Common.Utilities import print1, ensurePath
from .Common.Constants import HR
from .Common.Architectures import architectureMap
from .Common.Parallel import ParallelMap

import argparse
import copy
import itertools
import os
import sys


def UpdateLogic(filename, logicPath, outputPath):
    libYaml = LibraryIO.readYAML(filename)
    # parseLibraryLogicData mutates the original data, so make a copy
    fields = LibraryIO.parseLibraryLogicData(copy.deepcopy(libYaml), filename)
    (_, _, problemType, solutions, _, _, _) = fields

    # problem type object to state
    problemTypeState = problemType.state
    problemTypeState["DataType"] = problemTypeState["DataType"].value
    problemTypeState["MacDataTypeA"] = problemTypeState["MacDataTypeA"].value
    problemTypeState["MacDataTypeB"] = problemTypeState["MacDataTypeB"].value
    problemTypeState["DataTypeA"] = problemTypeState["DataTypeA"].value
    problemTypeState["DataTypeB"] = problemTypeState["DataTypeB"].value
    problemTypeState["DataTypeE"] = problemTypeState["DataTypeE"].value
    problemTypeState["DataTypeAmaxD"] = problemTypeState["DataTypeAmaxD"].value
    problemTypeState["DestDataType"] = problemTypeState["DestDataType"].value
    problemTypeState["ComputeDataType"] = problemTypeState["ComputeDataType"].value
    problemTypeState["BiasDataTypeList"] = [btype.value for btype in problemTypeState["BiasDataTypeList"]]
    problemTypeState["ActivationComputeDataType"] = problemTypeState["ActivationComputeDataType"].value
    problemTypeState["ActivationType"] = problemTypeState["ActivationType"].value
    problemTypeState["F32XdlMathOp"] = problemTypeState["F32XdlMathOp"].value
    if "DataTypeMetadata" in problemTypeState:
        problemTypeState["DataTypeMetadata"] = problemTypeState["DataTypeMetadata"].value

    # solution objects to state
    solutionList = []
    for solution in solutions:
        solutionState = solution.getAttributes()
        solutionState["ProblemType"] = solutionState["ProblemType"].state
        solutionState["ProblemType"]["DataType"] = \
                solutionState["ProblemType"]["DataType"].value
        solutionState["ProblemType"]["MacDataTypeA"] = \
                solutionState["ProblemType"]["MacDataTypeA"].value
        solutionState["ProblemType"]["MacDataTypeB"] = \
                solutionState["ProblemType"]["MacDataTypeB"].value
        solutionState["ProblemType"]["DataTypeA"] = \
                solutionState["ProblemType"]["DataTypeA"].value
        solutionState["ProblemType"]["DataTypeB"] = \
                solutionState["ProblemType"]["DataTypeB"].value
        solutionState["ProblemType"]["DataTypeE"] = \
                solutionState["ProblemType"]["DataTypeE"].value
        solutionState["ProblemType"]["DataTypeAmaxD"] = \
                solutionState["ProblemType"]["DataTypeAmaxD"].value
        solutionState["ProblemType"]["DestDataType"] = \
                solutionState["ProblemType"]["DestDataType"].value
        solutionState["ProblemType"]["ComputeDataType"] = \
                solutionState["ProblemType"]["ComputeDataType"].value
        solutionState["ProblemType"]["BiasDataTypeList"] = \
                [btype.value for btype in solutionState["ProblemType"]["BiasDataTypeList"]]
        solutionState["ProblemType"]["ActivationComputeDataType"] = \
                solutionState["ProblemType"]["ActivationComputeDataType"].value
        solutionState["ProblemType"]["ActivationType"] = \
                solutionState["ProblemType"]["ActivationType"].value
        solutionState["ProblemType"]["F32XdlMathOp"] = \
            solutionState["ProblemType"]["F32XdlMathOp"].value
        if "DataTypeMetadata" in solutionState["ProblemType"]:
            solutionState["ProblemType"]["DataTypeMetadata"] = \
                solutionState["ProblemType"]["DataTypeMetadata"].value

        solutionState["ISA"] = list(solutionState["ISA"])
        solutionList.append(solutionState)

    # update yaml
    libYaml[0] = {"MinimumRequiredVersion":__version__}
    libYaml[4] = problemTypeState
    libYaml[5] = solutionList

    if outputPath != "":
        filename = filename.replace(logicPath, outputPath)
    ensurePath(os.path.dirname(filename))
    LibraryIO.writeYAML(filename, libYaml, explicit_start=False, explicit_end=False)

def TensileUpdateLibrary(userArgs):
    print1("")
    print1(HR)
    print1("#")
    print1("#  Tensile Update Library v{}".format(__version__))

    # argument parsing and related setup
    argParser = argparse.ArgumentParser()
    argParser.add_argument("--logic_path",  type=os.path.realpath, help="Path to LibraryLogic.yaml files.")
    argParser.add_argument("--output_path", type=os.path.realpath, default=None, help="Where to place updated logic file.")

    addCommonArguments(argParser)
    args = argParser.parse_args(userArgs)

    libPath = args.logic_path
    print1("#  Library Logic: {}".format(libPath))
    print1("#")
    print1(HR)
    print1("")

    # setup global parameters
    restoreDefaultGlobalParameters()
    assignGlobalParameters({})
    overrideParameters = argUpdatedGlobalParameters(args)
    for key, value in overrideParameters.items():
        print1("Overriding {0}={1}".format(key, value))
        globalParameters[key] = value

    # Recursive directory search
    logicArchs = set()
    for key, name in architectureMap.items():
        logicArchs.add(name)
    logicFiles = []
    for root, dirs, files in os.walk(args.logic_path):
        logicFiles += [os.path.join(root, f) for f in files
                        if os.path.splitext(f)[1]==".yaml" \
                        and (any(logicArch in os.path.splitext(f)[0] for logicArch in logicArchs) \
                        or "hip" in os.path.splitext(f)[0]) ]

    # update logic file
    outputPath = ""
    if args.output_path:
        outputPath = ensurePath(os.path.abspath(args.output_path))

    print("# LibraryLogicFiles:" % logicFiles)
    for logicFile in logicFiles:
        print("#   %s" % logicFile)
    fIter = zip(logicFiles, itertools.repeat(args.logic_path), itertools.repeat(outputPath))
    libraries = ParallelMap(UpdateLogic, fIter, "Updating logic files", method=lambda x: x.starmap)


def main():
    TensileUpdateLibrary(sys.argv[1:])