# -*- coding: utf-8 -*-
"""
Montaz zarty: mama (realne wyciecie ze zdjecia) wklejona do gotowej
grafiki FB skupu grzybow. Wyjscie: FB_post_SKUP_GRZYBOW_mama_1080x1350.jpg
"""
import numpy as np
from PIL import Image, ImageDraw, ImageFilter, ImageEnhance, ImageFont

W, H = 1080, 1350
BASE = "reklama_facebook/FB_post_SKUP_GRZYBOW_1080x1350.jpg"
MAMA = "reklama_facebook/mama_wycieta.png"
OUT = "reklama_facebook/FB_post_SKUP_GRZYBOW_mama_1080x1350.jpg"
FONT_BOLD = "fonts/Montserrat-Bold.ttf"

FIG_H = 560          # wysokosc figury na kanwie
FIG_X = 30           # lewy skraj
FIG_BOTTOM = 1352    # dol lekko za krawedzia kadru


def build():
    canvas = Image.open(BASE).convert("RGBA")
    mama = Image.open(MAMA).convert("RGBA")

    # obetnij do figury i odbij w poziomie (patrzy w strone skupu)
    bbox = mama.getbbox()
    fig = mama.crop(bbox).transpose(Image.FLIP_LEFT_RIGHT)
    sc = FIG_H / fig.height
    fig = fig.resize((int(fig.width * sc), FIG_H), Image.LANCZOS)

    # przesun linie engagement — mama zaslania srodek
    patch = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
    pd = ImageDraw.Draw(patch)
    pd.ellipse([130, 1250, 850, 1360], fill=(9, 15, 12, 245))
    pd.rectangle([140, 1290, 850, 1350], fill=(9, 15, 12, 250))
    canvas.alpha_composite(patch.filter(ImageFilter.GaussianBlur(22)))
    f_sm = ImageFont.truetype(FONT_BOLD, 26)
    d = ImageDraw.Draw(canvas)
    txt = "Udostępnij znajomemu grzybiarzowi!"
    bb = f_sm.getbbox(txt)
    d.text((765 - (bb[0] + bb[2]) / 2, 1305 - (bb[1] + bb[3]) / 2),
           txt, font=f_sm, fill=(210, 220, 212, 255))

    # korekcja koloru pod scene (cieplej, mocniejszy kontrast)
    rgb = fig.convert("RGB")
    a = np.asarray(rgb).astype(np.float32)
    a[..., 0] *= 1.05
    a[..., 1] *= 1.00
    a[..., 2] *= 0.93
    a += np.array([5, 0, -3], dtype=np.float32)
    rgb = Image.fromarray(np.clip(a, 0, 255).astype(np.uint8))
    rgb = ImageEnhance.Contrast(rgb).enhance(1.05)
    rgb = ImageEnhance.Brightness(rgb).enhance(1.03)
    fig = Image.merge("RGBA", (*rgb.split(), fig.split()[3]))

    fy = FIG_BOTTOM - FIG_H

    # miekki cien za sylwetka (kontakt ze scena)
    sh = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
    alpha = fig.split()[3].point(lambda v: int(v * 0.55))
    sh.paste(Image.new("RGBA", fig.size, (10, 14, 10, 255)),
             (FIG_X + 26, fy + 30), alpha)
    canvas.alpha_composite(sh.filter(ImageFilter.GaussianBlur(26)))

    canvas.alpha_composite(fig, (FIG_X, fy))

    # lekka poswiata u stop figury — osadzenie w gruncie
    g = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
    ImageDraw.Draw(g).ellipse(
        [FIG_X - 60, H - 120, FIG_X + fig.width + 40, H + 60],
        fill=(6, 10, 8, 110))
    canvas.alpha_composite(g.filter(ImageFilter.GaussianBlur(40)))

    canvas.convert("RGB").save(OUT, quality=93)
    canvas.convert("RGB").resize((W // 2, H // 2), Image.LANCZOS).save(
        "reklama_facebook/FB_post_mama_podglad.jpg", quality=88)
    print("zapisano:", OUT)


if __name__ == "__main__":
    build()