#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Jun 29 19:44:06 2022

@author: tanu
"""
import sys, os
import pandas as pd
import numpy as np
import re
from copy import deepcopy
from sklearn import linear_model
from sklearn import datasets
from collections import Counter
###############################################################################
homedir = os.path.expanduser("~")
sys.path.append(homedir + '/git/LSHTM_analysis/scripts/ml/ml_functions')
sys.path
###############################################################################
outdir = homedir + '/git/LSHTM_ML/output/combined/'

#====================
# Import ML functions 
#====================
from ml_data_combined import *
from MultClfs_logo_skf import *
#from GetMLData import *
#from SplitTTS import *

skf_cv = StratifiedKFold(n_splits = 10 , shuffle = True, random_state = 42)

#logo = LeaveOneGroupOut()

########################################################################
# COMPLETE data: No tts_split
########################################################################
#%%
def CMLogoData(cm_input_df = pd.DataFrame()
        , all_genes =  ["embb", "katg", "rpob", "pnca", "gid", "alr"]
        , bts_genes = ["embb", "katg"
                       , "rpob", "pnca", "gid"
                       ]
        , cols_to_drop = ['dst', 'dst_mode', 'gene_name']
        , target_var = 'dst_mode'
        , gene_group = 'gene_name'
        , std_gene_omit = []
        ):

    cm_dataD = {}
    for bts_gene in bts_genes:
        print('\n BTS gene:', bts_gene)
        
        if not std_gene_omit:
            training_genesL = ['alr']
        else:
            training_genesL = []
            
        tr_gene_omit = std_gene_omit + [bts_gene]
        n_tr_genes = (len(bts_genes) - (len(std_gene_omit)))
        #n_total_genes = (len(bts_genes) - len(std_gene_omit))
        n_total_genes = len(all_genes)
        
        training_genesL = training_genesL + list(set(bts_genes) - set(tr_gene_omit))
        #training_genesL = [element for element in bts_genes if element not in tr_gene_omit]
    
        print('\nTotal genes: ', n_total_genes
              ,'\nTraining on:', n_tr_genes
              ,'\nTraining on genes:', training_genesL
              , '\nOmitted genes:', tr_gene_omit
              , '\nBlind test gene:', bts_gene) 
            
        tts_split_type = "logo_skf_BT_" + bts_gene
        
        outFile = outdir + str(n_tr_genes+1) + "genes_" + tts_split_type + ".csv"
        
        print(outFile)
        
        bts_geneD = {}
        #-------
        # training
        #------
        cm_training_df = cm_input_df[~cm_input_df['gene_name'].isin(tr_gene_omit)]
        
        cm_X = cm_training_df.drop(cols_to_drop, axis=1, inplace=False)
        #cm_y = cm_training_df.loc[:,'dst_mode']
        cm_y = cm_training_df.loc[:, target_var]
    
        gene_group = cm_training_df.loc[:,'gene_name']
        
        print('\nTraining data dim:', cm_X.shape
              , '\nTraining Target dim:', cm_y.shape)
        
        if all(cm_X.columns.isin(cols_to_drop) == False):
            print('\nChecked training df does NOT have Target var')
        else:
            sys.exit('\nFAIL: training data contains Target var')
        
        #---------------
        # BTS: genes
        #---------------
        cm_test_df = cm_input_df[cm_input_df['gene_name'].isin([bts_gene])]
        
        cm_bts_X = cm_test_df.drop(cols_to_drop, axis = 1, inplace = False)
        #cm_bts_y = cm_test_df.loc[:, 'dst_mode']
        cm_bts_y = cm_test_df.loc[:, target_var]
    
        print('\nTEST data dim:', cm_bts_X.shape
              , '\nTEST Target dim:', cm_bts_y.shape)
        
        
        bts_geneD = {'cm_X'      : cm_X
                     , 'cm_y'    : cm_y
                     , 'cm_bts_X': cm_bts_X
                     , 'cm_bts_y': cm_bts_y}
        
        cm_dataD[bts_gene] = bts_geneD

    return(cm_dataD)

#%%
df_complete_6g = CMLogoData(cm_input_df = combined_df, std_gene_omit=[] )
df_complete_5g = CMLogoData(cm_input_df = combined_df, std_gene_omit=['alr'])
# checks

len(df_complete_6g['embb']['cm_X'])
#len(df_complete_6g['embb']['cm_y'])

len(df_complete_5g['embb']['cm_X'])
#len(df_complete_5g['embb']['cm_y'])

df_actual_6g = CMLogoData(cm_input_df = combined_df_actual, std_gene_omit=[] )
df_actual_5g = CMLogoData(cm_input_df = combined_df_actual, std_gene_omit=['alr'])

len(df_actual_6g['embb']['cm_X'])
len(df_actual_5g['embb']['cm_X'])