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# -*- coding: utf-8 -*-
######################################################################
#                  Copyright (c) 2016 Northrop Grumman.
#                          All rights reserved.
######################################################################

"""
Flow analysis datatypes.
"""

import gzip
import json
import logging
import os
import re
import subprocess
import tempfile
import rpy2.interactive as r
import rpy2.interactive.packages

from galaxy.datatypes.binary import Binary
from galaxy.datatypes.tabular import Tabular
from galaxy.datatypes.data import get_file_peek, Text
from galaxy.datatypes.metadata import MetadataElement
from galaxy.util import nice_size, string_as_bool
from . import data

log = logging.getLogger(__name__)


def is_number(s):
    try:
        float(s)
        return True
    except ValueError:
        return False


class FCS(Binary):
    """Class describing an FCS binary file"""
    file_ext = "fcs"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "Binary FCS file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "Binary FCSfile (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """
        Checking if the file is in FCS format. Should read FCS2.0, FCS3.0
        and FCS3.1
        """
        r.packages.importr("flowCore")
        rlib = r.packages.packages
        try:
            fcsobject = rlib.flowCore.isFCSfile(filename)
            return list(fcsobject)[0]
        except:
            return False

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'application/octet-stream'
Binary.register_sniffable_binary_format("fcs","fcs",FCS)

class FlowText(Tabular):
    """Class describing an Flow Text file"""
    file_ext = "flowtext"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "Text Flow file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "Text Flow file (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """Quick test on file formatting and values"""
        with open(filename, "r") as f:
            f.readline()
            values = f.readline().strip().split("\t")
            for vals in values:
                if not is_number(vals):
                    return False
            return True

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'text/tab-separated-values'


class FlowClustered(Tabular):
    """Class describing a Flow Text that has been clustered through FLOCK"""
    file_ext = "flowclr"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "Text Flow Clustered file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "Flow Text Clustered file (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """Quick test on headers and values"""
        with open(filename, "r") as f:
            population = f.readline().strip().split("\t")[-1]
            if population != "Population":
                return False
            values = f.readline().strip().split("\t")
            for vals in values:
                if not is_number(vals):
                    return False
            return True

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'text/tab-separated-values'


class FlowMFI(Tabular):
    """Class describing a Flow MFI file"""
    file_ext = "flowmfi"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "MFI Flow file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "MFI Flow file (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """Quick test on file formatting and values"""
        with open(filename, "r") as f:
            population = f.readline().strip().split("\t")[0]
            if population != "Population":
                return False
            values = f.readline().strip().split("\t")
            for vals in values:
                if not is_number(vals):
                    return False
            return True

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'text/tab-separated-values'


class FlowStats1(Tabular):
    """Class describing a Flow Stats file"""
    file_ext = "flowstat1"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "Flow Stats1 file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "Flow Stats1 file (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """Quick test on file formatting and values"""
        with open(filename, "r") as f:
            first_header = f.readline().strip().split("\t")[0]
            if first_header != "FileID":
                return False
            return True

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'text/tab-separated-values'


class FlowStats2(Tabular):
    """Class describing a Flow Stats file"""
    file_ext = "flowstat2"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "Flow Stats2 file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "Flow Stats2 file (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """Quick test on file formatting and values"""
        with open(filename, "r") as f:
            smp_name = f.readline().strip().split("\t")[-1]
            if smp_name != "SampleName":
                return False
            return True

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'text/tab-separated-values'


class FlowStats3(Tabular):
    """Class describing a Flow Stats file"""
    file_ext = "flowstat3"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "Flow Stats3 file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "Flow Stats3 file (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """Quick test on file formatting and values"""
        with open(filename, "r") as f:
            last_col = f.readline().strip().split("\t")[-1]
            if last_col != "Percentage_stdev":
                return False
            values = f.readline().strip().split("\t")
            for vals in values:
                if not is_number(vals):
                    return False
            return True

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'text/tab-separated-values'


class FlowScore(Tabular):
    """Class describing a Flow Score file"""
    file_ext = "flowscore"

    def set_peek(self, dataset, is_multi_byte=False):
        if not dataset.dataset.purged:
            dataset.peek = "Flow Score file"
            dataset.blurb = data.nice_size(dataset.get_size())
        else:
            dataset.peek = 'file does not exist'
            dataset.blurb = 'file purged from disk'

    def display_peek(self, dataset):
        try:
            return dataset.peek
        except:
            return "Flow Score file (%s)" % (data.nice_size(dataset.get_size()))

    def sniff(self, filename):
        """Quick test on file formatting and values"""
        with open(filename, "r") as f:
            population = f.readline().strip().split("\t")[0]
            if population != "Population_ID":
                return False
            values = f.readline().strip().split("\t")
            for vals in values:
                if not is_number(vals):
                    return False
            return True

    def get_mime(self):
        """Returns the mime type of the datatype"""
        return 'text/tab-separated-values'