from banjo.urls import route_get, route_post
from banjo.http import BadRequest, NotFound
from app.models import Line, Poem, Rhyme
from random import choice, sample

@route_get('lines/random', args={})
def get_random_line(params):
    return {'line': Line.objects.random().text}

@route_get('lines/about', args={'topic': str})
def get_lines_about(params):
    try:
        return {'line': Line.objects.filter(clean_text__contains=params['topic']).random().text
                  ,"topic": params['topic'] }
        
    
    except Line.DoesNotExist:
        raise NotFound("No lines with that topic")

@route_get('lines/rhyme', args={'word': str})
def get_lines_that_rhyme(params):
    try:
        return{'line': Rhyme.get_rhyme_for_word(params['word']).lines.exclude(clean_text__endswith=params['word']).random().text, 
               "word": params['word']}
        
    except Line.DoesNotExist:    
        raise NotFound("No lines rhyme with that")

    
@route_get('couplets/random', args={})
def get_random_couplet(params):
    try: 
        lineOne = Line.objects.random()
        lineTwo = lineOne.rhyming_lines().random()
        return {'lines': [lineOne.text, lineTwo.text]}
    except Line.DoesNotExist:
        raise NotFound("No line rhymed with the random first one")

@route_get('couplets/about', args={'topic':str})
def get_couplet_about(params):
    try:
        lineOne = Line.objects.filter(clean_text__contains=params['topic']).random()
        lineTwo = lineOne.rhyming_lines().random()
        return {'lines': [lineOne.text, lineTwo.text], "topic": params['topic']}

    except Line.DoesNotExist:
        raise NotFound("No lines with that topic or No line rhymed with the random first one")

@route_get('couplets/rhyme', args={'word': str})
def get_couplet_rhymes_with(params):
    try:
        lineOne = Rhyme.get_rhyme_for_word(params['word']).lines.exclude(clean_text__endswith=params['word']).random()
        lineTwo = lineOne.rhyming_lines().random()
        return {'lines': [lineOne.text, lineTwo.text], "word": params['word']}
    except Line.DoesNotExist:
        raise NotFound("Zero or One lines rhymed with your word. Not enough for a couplet!")

@route_get('couplets/start', args={'word': str})
def couplets_start_with(params):
    try:
        lineOne = Line.objects.filter(clean_text__startswith=params['word']).random()
        lineTwo = lineOne.rhyming_lines().random()
        return{'lines': [lineOne.text, lineTwo.text], "word": params['word']}
    except Line.DoesNotExist:
        raise NotFound("No lines start with that word or rhyme with one that does")