#!/usr/local/bin/python2.7
# -*- coding: utf-8 -*-

from flask import Flask, render_template, url_for, request

import math
import random

app = Flask(__name__)

@app.route('/')
def welcome():
    exes = [ 'capitals/Paris',
                'sqrt/16.0',
                'sqrt/17.1',
                'print_stmt',
                'console_error',
                'no_view',
                'urls',
                'canonical',
                'canonical/',
                'fragile',
                'fragile/',
                'render/',
                'hello/',
                'tim/',
                'things/',
                'reading/',
                'render_styled/',
                'form/',
                ]
    links = [ '<li><a href="{url}">{url}</a></li>'.format(url=ex)
              for ex in exes ]
    return ('''<h1>Welcome</h1>
<p>Hello World! These are the examples for lecture 2.
<p>Try <ul>{examples}</ul>'''
            .format(examples=''.join(links)))

@app.route('/capitals/<city>')
def capitals(city):
    known = {'Paris':'France',
             'London':'England',
             'Madrid':'Spain',
             'Beijing':'China'}
    if city in known:
        return ('<p>{city} is the capital of {country}'
                .format(city=city,country=known[city]))
    else:
        return ('''<p>I don't know the country whose capital is {city}'''
                .format(city=city))

@app.route('/sqrt/<float:n>')
def sqrt(n):
    return ('<p>{x} is the square root of {y}'
            .format(x=math.sqrt(abs(n)),y=n))

@app.route('/print_stmt/')
def print_stmt():
    n = random.randint(1,10)
    print 'n is ',n
    return '<p>Can you guess your lucky number?'

@app.route('/console_error/')
def console_error():
    # this doesn't work
    roman = ['x','v','i','c','m','d','l']
    s = random.choice(roman)
    n = int(s)
    print ('{roman} converts to {arabic}'
           .format(roman=s,arabic=n))

@app.route('/no_view/')
def no_view():
    n = random.randint(1,10)
    if n < 9:
        print '<p>Keep trying, you only scored a {n}'.format(n=n)
    else:
        return '<p>Wow, you scored a 10!!'
        
@app.route('/urls/')
def urls():
    hrefs = [ url_for('print_stmt'),
              url_for('capitals', city='London'),
              url_for('sqrt', n=18)
              ]
    links = [ '<p><a href="{h}">{h}</a>'.format(h=h)
              for h in hrefs ]
    return ''.join(links)

@app.route('/canonical/')
def canonical():
    return '<p>Well done!'

@app.route('/fragile')
def fragile():
    return '<p>Maybe?'

@app.route('/hello/')
def hello():
    nom = random.choice(['Inigo Montoya','Harry','Ron','Hermione'])
    return render_template('name.html',
                           name = nom)

@app.route('/tim/')
def tim():
    art = {'name': 'Sir Galahad of Camelot',
           'quest': 'To seek the grail',
           'color': 'blue, no, I mean YEELLLLLLLLLOOOOOOOWWWWWWW'}
    return render_template('tim.html', dic = art)

@app.route('/things/')
def things():
    favs = ['Raindrops on roses',
            'whiskers on kittens',
            'bright copper kettles',
            'warm woolen mittens',
            'brown paper packages tied up with strings']
    return render_template('things.html', things = favs)

@app.route('/reading/')
def reading():
    stuff = {'title' : '''Material for class on St. Patrick's Day''',
             'classdate' : '3/17/2017',
             'article' : u'céad míle fáilte or a hundred thousand welcomes'}
    return render_template('reading.html', **stuff)

@app.route('/render/')
def render():
    return render_template('trio.html',a='Harry',b='Ron',c='Hermione')

@app.route('/render_styled/')
def render_styled():
    return render_template('trio-styled.html',a='Harry',b='Ron',c='Hermione')

@app.route('/handle_form/', methods= ['GET','POST'])
def handle_form():
    if request.method == 'POST':
        for k in request.form:
            print k, request.form[k]
    return render_template('form_results.html',quest=request.form['quest'])

@app.route('/form/')
def form():
    return render_template('form.html')


if __name__ == '__main__':
    app.debug = True
    app.run('0.0.0.0',2716)