from PIL import Image, ImageDraw, ImageFont
from pathlib import Path

out_dir = r"C:\Users\mzhan\AppData\Local\osu!\Songs\1145452 Unknown Artist - Spelunker"


def empty(path):
    im = Image.new("RGBA", (1, 1))
    im.save(path)


hitcircle = Image.new("RGBA", (128, 128))
draw = ImageDraw.Draw(hitcircle)
draw.ellipse((5, 5, 118 + 5, 118 + 5), fill="white")

hitcircleoverlay = Image.new("RGBA", (128, 128))
draw = ImageDraw.Draw(hitcircleoverlay)
draw.ellipse((5, 5, 118 + 5, 118 + 5), outline="white", width=8)

approachcircle = Image.new("RGBA", (126, 126))
draw2 = ImageDraw.Draw(approachcircle)
size = 4
draw2.ellipse((size, size, 118 + size, 118 + size), outline="white", width=6)

scorebarbg = Image.new("RGBA", (400, 40))
draw4 = ImageDraw.Draw(scorebarbg)
draw4.rectangle((0, 10, 400, 40), fill="yellow")

scorebarcolor = Image.new("RGBA", (390, 40))
draw5 = ImageDraw.Draw(scorebarcolor)
draw5.rectangle((0, 4, 400, 20), fill="orange")


def get_text_dimensions(text_string, font):
    # https://stackoverflow.com/a/46220683/9263761
    ascent, descent = font.getmetrics()

    text_width = font.getmask(text_string).getbbox()[2]
    text_height = font.getmask(text_string).getbbox()[3] + descent

    return (text_width, text_height)


def thefont(size=None):
    if size is None:
        size = 48
    return ImageFont.FreeTypeFont(r"C:\WINDOWS\FONTS\SIMFANG.TTF", size)


def gentext(text, path, font=None, size=None, **kwargs):
    if font is None:
        font = thefont(size=size)

    width, height = get_text_dimensions(text, font)
    height += 2

    im = Image.new("RGBA", (width, height))
    draw3 = ImageDraw.Draw(im)
    draw3.fontmode = "1"
    draw3.text((0, 0), text, font=font, **kwargs)
    im.save(path)


def gen2text(text, path, font=None, size=None, **kwargs):
    if size is None:
        size = 48

    p = Path(path)
    gentext(text, p, font=font, **kwargs)

    pname = p.name.rstrip(".png")
    p2 = p.with_name(pname + "@2x.png")
    gentext(text, p2, font=font, size=size * 2, **kwargs)


# Scorebar set
scorebarbg.save(f"{out_dir}/scorebar-bg.png")
scorebarcolor.save(f"{out_dir}/scorebar-colour.png")

# Hitcircle set
hitcircle.save(f"{out_dir}/hitcircle.png")
hitcircleoverlay.save(f"{out_dir}/hitcircleoverlay.png")
hitcircleoverlay.save(f"{out_dir}/sliderstartcircleoverlay.png")
empty(f"{out_dir}/sliderendcircleoverlay.png")
approachcircle.save(f"{out_dir}/approachcircle.png")
hitcircle.save(f"{out_dir}/sliderstartcircle.png")

# Hitcircle number set
for i in range(10):
    gentext(str(i), f"{out_dir}/default-{i}.png", fill="white")

# Hitburst set
gen2text("Zzz", f"{out_dir}/hit0.png")
# gen2text("無謀な……", f"{out_dir}/hit100k.png")
# gen2text("え?俺勝っちゃったの?", f"{out_dir}/hit300g.png")
# gen2text("ヤッフー!!", f"{out_dir}/hit300k.png")