# Copyright (C) University of Tennessee Health Science Center, Memphis, TN.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License
# as published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# This program is available from Source Forge: at GeneNetwork Project
# (sourceforge.net/projects/genenetwork/).
#
# Contact Dr. Robert W. Williams at rwilliams@uthsc.edu
#
#
# This module is used by GeneNetwork project (www.genenetwork.org)

from pprint import pformat as pf

from gn2.base.trait import create_trait
from gn2.base import data_set
from gn2.utility import webqtlUtil, helper_functions, corr_result_helpers
import gn2.utility.webqtlUtil  # this is for parallel computing only.
from gn2.wqflask.correlation import correlation_functions

from flask import Flask, g


class ComparisonBarChart:

    def __init__(self, start_vars):
        trait_db_list = [trait.strip()
                         for trait in start_vars['trait_list'].split(',')]

        helper_functions.get_trait_db_obs(self, trait_db_list)

        self.all_sample_list = []
        self.traits = []
        self.insufficient_shared_samples = False
        # ZS: Getting initial group name before verifying all traits are in the same group in the following loop
        this_group = self.trait_list[0][1].group.name
        for trait_db in self.trait_list:

            if trait_db[1].group.name != this_group:
                self.insufficient_shared_samples = True
                break
            else:
                this_group = trait_db[1].group.name
            this_trait = trait_db[0]
            self.traits.append(this_trait)

            this_sample_data = this_trait.data

            for sample in this_sample_data:
                if sample not in self.all_sample_list:
                    self.all_sample_list.append(sample)

        if self.insufficient_shared_samples:
            pass
        else:
            self.sample_data = []
            for trait_db in self.trait_list:
                this_trait = trait_db[0]
                this_sample_data = this_trait.data

                this_trait_vals = []
                for sample in self.all_sample_list:
                    if sample in this_sample_data:
                        this_trait_vals.append(this_sample_data[sample].value)
                    else:
                        this_trait_vals.append('')
                self.sample_data.append(this_trait_vals)

            self.js_data = dict(traits=[trait.name for trait in self.traits],
                                samples=self.all_sample_list,
                                sample_data=self.sample_data,)

    def get_trait_db_obs(self, trait_db_list):

        self.trait_list = []
        for i, trait_db in enumerate(trait_db_list):
            if i == (len(trait_db_list) - 1):
                break
            trait_name, dataset_name = trait_db.split(":")
            #print("dataset_name:", dataset_name)
            dataset_ob = data_set.create_dataset(dataset_name)
            trait_ob = create_trait(dataset=dataset_ob,
                                    name=trait_name,
                                    cellid=None)
            self.trait_list.append((trait_ob, dataset_ob))

        #print("trait_list:", self.trait_list)