import datetime, os, re
from bottle import error, route, run, static_file, template

# make article-to-html work with entries
# make index work with entries - later, they can be differentiated into features and weeklies with tags or title or whatever

def list_headlines(articles):
    head = count_lines('entries/raw/res/head.txt')
    result = []
    text = []

    for article in articles:
        path = 'entries/' + article

        with open(path) as f:
            text = f.readlines()

        b = []
        b.append(path)
        b.append(clean(text[head].replace('<br>',''), path))
        result.append(b)
    return result

def list_snippets(articles):
    limit = 4
    total = len(articles)
    head = count_lines('entries/raw/res/head.txt')
    tail = count_lines('entries/raw/res/tail.txt')
    result = []

    for article in articles:
        path = 'entries/' + article
        text = []
        a = []
        length = 0
        with open('entries/' + article) as f:
            text = f.readlines()
            length = len(text)
        a.append(text[head])
        content = snip_article(find_content(article, length, head, tail), path)

        if content.count('<ul>') > content.count('</ul>'):
            content += '</ul>'
        a.append(content)
        a.append(text[head + 1].replace('<br>',''))
        a.append("social")
        a.append(path)
        result.append(a)
    return result

def count_lines(fname):
    with open(fname) as f:
        for linenum, line in enumerate(f,1):
            pass
    return linenum

def find_content(article, length, head, tail):
    content = ""
    with open('entries/' + article) as f:
        for pos, line in enumerate(f):
            if pos > head + 1 and pos < length - tail:
                content += line
    return content

def clean(result, path):
    result = result.replace('<br>','')
    result = re.sub(r'<a href=.*?>', '', result)
    result = result.replace('</a>','')
    result = re.sub(r'<h\d>','',result)
    result = re.sub(r'</h\d>','',result)
    return result

def snip_article(article, path):
    article = clean(article, path)
    limit = 300
    result = article[0:min(len(article),limit)]
    result = result.rsplit(' ',1)[0]
    # cut off after 5 lines, too?
    return result + " ... "

def sort_files(files):
    files.sort(reverse=True)
    return files#list(reversed(files))

def gather_files():
    files = os.listdir('entries/')
    files.remove('raw')
    return files

# Static

@route('/static/css/<filename:path>')
def serve_css(filename):
    return static_file(filename, root='static/css')

@route('/static/img/<filename:path>')
def serve_img(filename):
    return static_file(filename, root='static/img')

# Routes

@error(404)
def error404(error):
    return "unfortunately, a 404 error"

@route('/')
def index():
    """home page"""
    info = {'css': 'index', 'news': list_headlines(sort_files(gather_files())[0:10]), 'title': 'chimchooree\'s dev space - blessfrey', 'year': datetime.datetime.now()}
    return template('index.tpl', info)

@route('/game')
def game():
    """game page"""
    info = {'css': 'game', 'title': 'blessfrey - about the game', 'year': datetime.datetime.now()}
    return template('game.tpl', info)

@route('/presskit')
def presskit():
    """press page"""
    info = {'css': 'presskit', 'title': 'blessfrey - presskit', 'year': datetime.datetime.now()}
    return template('presskit.tpl', info)

@route('/diary')
def diary2():
    return diary(0)

@route('/diary/<page:int>')
def diary(page):
    """diary page"""
    assert isinstance(page, int)
    info = {'css': 'diary', 'title': 'blessfrey - developer diary', 'year': datetime.datetime.now(), 'snippets': list_snippets(sort_files(gather_files())), 'latest': list_headlines(sort_files(gather_files())[0:5]), 'total': len(gather_files()), 'limit': 4, 'cluster': 3, 'page': page}
    return template('diary.tpl', info)

if __name__ == '__main__':
    run()