#!/usr/bin/env python
"""Создает объедененный список событий и помещает его в uds/products

Этот список событий нужен, в основном для извлечения спектров с помощью srctool
"""

from astropy.wcs import WCS
from astropy.io import fits
import sys, os, os.path, time, subprocess
from pathlib import Path
import numpy as np
import glob
from os.path import dirname
import inspect
import coma

from coma.utils import *
from coma.config import *

outkey="mosa_tm0"

""" find root dir """

#root_path=dirname(dirname(dirname(inspect.getfile(uds))))
"""
ftools does not like long file path names, for this reason, we use relative path here
"""
root_path='..'


print("Coma root path: {}".format(root_path))

infile_dir=root_path+'/data/processed'
outfile_dir=root_path+'/products'

create_folder(outfile_dir)


do_init         = False
do_merge        = True
do_rate         = False 
do_adapt        = False # requires CIAO

index=5 # select energy band
width=7000

vign=True
vignetting = 'vign' if (vign==True) else 'novign'

#print(ra_cen, de_cen)
#sys.exit()

events=[]
expmaps=[]
bkgmaps=[]
for tmkey in keylist_tm.keys():
    print("TM{} in work... init events".format(tmkey))
    for datakey in keylist_tm[tmkey]:
        if ("survey" in datakey):
            continue
        print("--> {}".format(datakey))
        """ Подготавливаем списки событий индивидуальных наблюдений """
        outfile_evtool,outfile_expmap=init_events(key=datakey, eband_index=eband[index],
                                                  infile_dir=infile_dir,
                                                  outfile_dir=outfile_dir,
                                                  do_init=do_init,
                                                  do_obsmode=True, # also controlled by lock file!
                                                  do_center=True, # also controlled by lock file!
                                                  do_evtool=True,
                                                  do_expmap=True,
                                                  vign=vign,
                                                  ra_cen=ra_cen, de_cen=de_cen, width=width, 
                                                  emin_kev=emin_kev[index],
                                                  emax_kev=emax_kev[index])
        events.append(outfile_evtool)
        expmaps.append(outfile_expmap)
        bkgmaps.append("{}_BackMap3_en{}.fits".format(os.path.join(outfile_dir,datakey), eband[0]))

   
""" Собираем общий список событий """    
outfile_evtool="{}_EventList_en{}.fits".format(os.path.join(outfile_dir,outkey), eband[index])

outfile_expmap="{}_ExposureMap_en{}.{}.fits".format(os.path.join(outfile_dir,outkey), eband[index], vignetting)
outfile_bkgmap="{}_BackMap_en{}.{}.fits".format(os.path.join(outfile_dir,outkey), eband[index], vignetting)

if(do_merge==True):
    evlist="{}.evlist.txt".format(os.getpid())
    f = open(evlist, "w")
    for s in events:
        f.write("{}\n".format(s))
    f.close()
    
    do_evtool_esass(evlist=evlist, outfile=outfile_evtool, width=width)
    # old version, does not work with long list of files
    #do_evtool_esass(events=events, outfile=outfile_evtool)

    #do_fimgmerge_ftools(maps=expmaps, outfile=outfile_expmap)
    #do_fimgmerge_ftools(maps=bkgmaps, outfile=outfile_bkgmap)

    if(os.path.isfile(evlist)==True):
        os.remove(evlist)            

outfile_rate="{}_RateMap_en{}.{}.fits".format(os.path.join(outfile_dir,outkey), eband[index], vignetting)
if(do_rate==True):
    make_rate_map(cntmap=outfile_evtool, expmap=outfile_expmap, outfile=outfile_rate)

    
function='gaussian'
outfile_adapt="{}_ImageAdapt_en{}.{}.{}.fits".format(os.path.join(outfile_dir,outkey), eband[index], function, vignetting)
if(do_adapt==True):
    do_adapt_ciao(infile=outfile_evtool, outfile=outfile_adapt, expmap=outfile_expmap, function=function, expcut=100)