from collections import defaultdict
import random
import yaml
import chevron

class GrawlixCodex():

    def __init__(self, width=30, height=10, wordcount=50000):
        self.width = width
        self.height = height
        self.smallest = 1
        self.longest = 6
        self.wordcount = wordcount


    def config(self, cffile):
        with open(cffile) as cf:
            try:
                self.cf = yaml.load(cf, Loader=yaml.Loader)
            except yaml.YAMLError as exc:
                print("%s parse error: %s" % ( self.args.config, exc ))
                if hasattr(exc, 'problem_mark'):
                    mark = exc.problem_mark
                    print("Error position: (%s:%s)" % (mark.line + 1, mark.column + 1))
 
    def load_emojos(self):
        self.emojos = []
        self.groups = defaultdict(set)
        with open(self.cf["emojos"], "r") as efh:
            for line in efh:
                parts = line.split()
                glyph = parts[0][1:-1]
                self.emojos.append(glyph)
                for tag in parts[1:]:
                    self.groups[tag].add(glyph)
        self.tags = [ t for t in self.groups.keys() if not t == "blank" ]
        self.blank = list(self.groups["blank"])[0]

    def text(self):
       for w in range(self.wordcount):
           l = random.randint(self.smallest, self.longest)
           for g in range(l):
               yield random.choice(list(self.groups["glyph"]))
           if random.randint(1, 10) > 8:
               yield random.choice(list(self.groups["colour"]))
           yield(self.blank)

    def write(self):
        row = []
        for g in self.text():
            row.append(g)
            if len(row) == self.width:
                glyphs = [ f'<img class="gl" src="img/{g}.png" />&nbsp;' for g in row ]
                print(''.join(glyphs))
                print('<br />')
                row = []

gc = GrawlixCodex(wordcount=500)
gc.config("./config.yml")
gc.load_emojos()

content = {
    "front_matter": "Title page",
    "chapters": [
        { "title": "One", "text": "blah blah" },
        { "title": "Two", "text": "foo foo" },
    ]
}


with open("template.html", "r") as tf:
    print(chevron.render(tf, content))