from apimock import *

gramar_slots = {
    'pullrequest': (('action', 'optional'),
                    ('repo', 'required')
    ),
    'brefing': (('action', 'optional'),
                    ('repo', 'required')
    ),
    'notifications': (('liczba', 'optional'),
                    ('repo', 'required')
    ),
    'tests': (('test', 'optional'),
                    ('repo', 'required')
    ),
    'time': (('time_when', 'required'),
                    ('timeunit', 'required'),
                    ('liczba','optional')
    ),
    'issues': (('time_when','optional'),
                ('liczba','optional'),
                ('timeunit','optional'),
                ('repozytoria', 'required')
    ),
    'number': (('liczba', 'required')
    ),
    'help': (('functions', 'optional'),
                    ('help', 'optional')
    ),
    'repo': (('repozytoria', 'required')
    ),
    'hello': (),
    'bye': (),
}


def taktyka_dialogu(state, frame):
    if frame['act'] == 'null':
        return 'null'
    # if state['current_context'] in ['hello', 'pomoc', 'bye']:
    #     return short_thread(state)
    # else:
    return long_thread(state)

# def short_thread(state):
#     if state['current_context'] == 'pomoc':
#         return state['current_context']
#     else:
#         return state['current_context']

def validate_repo(repo):
    if repo not in listRepositories():
        return 'repo not in listRepositories'
    if repo not in listPublicRepositories():
        return 'repo not in listPublicRepositories'

def long_thread(state):
    act = state['current_context']
    if act == None:
        return 'null'
    for topic in state['topics']:
        if act == topic['act']:
            slots = topic['slots']
    required = gramar_slots[act]
    req_args, opt_args = agregate(required, slots)
    facts = state['facts']
    req_args = add_facts(req_args, facts)
    opt_args = add_facts(opt_args, facts)
    required_empty = check_req(req_args)
    if required_empty:
        return False, required_empty[0] #slot do uzupełnienia
    return True, act, req_args, opt_args #wyświetl użytkownikowi

def check_req(req_args):
    req = []
    for item in req_args:
        if item[1] == None:
            req.append(item)
    return req

def add_facts(args, facts):
    for key, value in facts.items():
        for idx, item in enumerate(args):
            if key == item[0] and value != None and item[1] == None:
                args[idx] = value
                if key == 'repo':
                    validate_repo(value)


    return args

def agregate(grammar, slots):
    req_args, opt_args = [], []
    for item in grammar:
        value = None
        for slot in slots:
            if slot[0] == item[0]:
                value = None if slot[1] == '' else slot[1]
        if item[1] == 'required':
            req_args.append([item[0], value])
        elif item[1] == 'optional':
            opt_args.append([item[0], value])
    return req_args, opt_args