from PIL import Image, ImageDraw, ImageFont
from textwrap import wrap
from io import BytesIO
from flask import send_file

def serve_pil_image(pil_img):
    img_io = BytesIO()
    pil_img.save(img_io, "PNG")
    img_io.seek(0)
    return send_file(img_io, mimetype='image/png')

def sign(text):
    "d42551ff12586baf8f94c35fa3d1d19633e19259e11dc05cf20969f8bb393cf1"
    wid = len(text)
    tbg = Image.open("nokosample.png")
    draw = ImageDraw.Draw(tbg)
    wrappedtext = "\n".join(wrap(text, width = wid))
    font = ImageFont.truetype("hr.otf", 720)
    minimals = [abs(draw.textsize("\n".join(wrap(text, width = w, break_long_words = False)), font = font)[0]/draw.textsize("\n".join(wrap(text, width = w, break_long_words = False)), font = font)[1]-4/3) for w in range(1,wid)]
    width = list(range(wid))[minimals.index(min(minimals))]
    wrappedtext = "\n".join(wrap(text, width = width+1, break_long_words = False))
    size = font.getsize(wrappedtext)#290 860 1220 1630
    hig = 0
    for line in wrappedtext.split("\n"):
        hig += font.getsize(wrappedtext)[-1]
    size = (size[0], int(hig*1.2))
    bg = Image.new("RGBA", size)
    d = ImageDraw.Draw(bg)
    d.multiline_text((0, 0), wrappedtext, (101,67,33, 255), font = font, spacing = 70)
    bg = bg.crop(bg.getbbox())
    bg.thumbnail((950-50,810))
    left = (950-50-bg.size[0])//2
    upper = (810-bg.size[1])//2
    tbg.paste(bg, (350+left, 900+upper), bg)
    #bg.show()
    return tbg