from io import BytesIO
from textwrap import wrap

import flask
from PIL import Image, ImageDraw, ImageFont

from app import app


@app.route("/panzer/")
@app.route("/panzer")
@app.route("/panzer/<string>")
@app.route("/panzer/<string>/")
def panzer(string="bionicles are cooler than sex"):
    string = string.replace("+", " ").replace("\n", "%0A")
    image = create_panzer(string)
    return serve_pil_image(image)


def create_panzer(string):
    img = Image.open("./app/static/panzer.jpeg")
    draw = ImageDraw.Draw(img)
    font = ImageFont.truetype("./app/static/arial.ttf", size=30)
    draw.text((10, 20), "Oh panzer of the lake, what is your wisdom?", font=font)
    topleft = (250, 500)
    wrapped = wrap(string, width=25)
    wrapped = [text.replace("%0A", "\n") for text in wrapped]
    for y, text in enumerate(wrapped):
        draw.text((topleft[0], topleft[1] + (y * 33)), text, font=font)
    return img


def serve_pil_image(pil_img):
    img_io = BytesIO()
    pil_img.save(img_io, "JPEG", quality=50)
    img_io.seek(0)
    return flask.send_file(img_io, mimetype="image/jpeg")