# -*- coding: utf-8 -*-

import pykwalify.core
from pykwalify.errors import SchemaError

import yaml
filename = "observatory_guitalens.yml"
with open(filename, 'r') as stream:
    try:
        config = yaml.safe_load(stream)
        #print(config)
    except yaml.YAMLError as exc:
        print(exc)

t = config['OBSERVATORY']['_name']
print("="*20)
print(f"Configuration of the observatory : {t}")

ts = config['OBSERVATORY']['DEVICES']
nt = len(ts)
print("="*20)
print(f"There are {nt} available devices:")
print("-"*20)
for kd in range(nt):
   texte = ""
   t = config['OBSERVATORY']['DEVICES'][kd]['DEVICE']['_name']
   texte += f"Device {t}: "
   
   filename = config['OBSERVATORY']['DEVICES'][kd]['DEVICE']['_file']
   with open(filename, 'r') as stream:
       try:
           subconfig = yaml.safe_load(stream)
           #print(config)
       except yaml.YAMLError as exc:
           print(exc)
   
   # --- list of keys
   cs = subconfig['DEVICE']['CAPABILITIES']
   nc = len(cs)
   for kc in range(nc):
      t = subconfig['DEVICE']['CAPABILITIES'][kc]['CAPABILITY']['component']
      texte += f" {t} "
   
   print(texte)

ts = config['OBSERVATORY']['UNITS']
nt = len(ts)
print("="*20)
print(f"There are {nt} units:")
ku = 0
ts = config['OBSERVATORY']['UNITS'][ku]['UNIT']['_name']
print(f"First unit is {ts}:")
print("-"*20)
ts = config['OBSERVATORY']['UNITS'][ku]['UNIT']['TOPOLOGY']['SECURITY']['_name']
print(f"Security is {ts}:")
ts = config['OBSERVATORY']['UNITS'][ku]['UNIT']['TOPOLOGY']['MOUNT']['_name']
print(f"Mount is {ts}:")