"""Genereer de social-share-afbeelding (OG-image) 1200x630 voor Helvoirt Gevelreiniging.

Neemt een echte werkfoto (schone gevel), crop-cover naar 1200x630, legt er een
petrol-gradient over (links/onder donker voor leesbaarheid) en zet de wordmark +
tagline + 4,9-Google-regel eroverheen. Output: public/images/og-default.webp.

Draaien (Windows):
  $py = "C:\\Users\\info\\AppData\\Local\\Programs\\Python\\Python312\\python.exe"
  & $py scripts/make-og.py
"""
from PIL import Image, ImageDraw, ImageFont
import os

W, H = 1200, 630
SRC = os.path.join("public", "images", "hero-after.webp")
OUT = os.path.join("public", "images", "og-default.webp")

# Merkkleuren (uit tokens.css)
PETROL_DEEP = (21, 54, 61)   # #15363d
CYAAN = (78, 191, 217)       # #4ebfd9
STAR = (255, 196, 0)
WHITE = (255, 255, 255)
SOFT = (199, 218, 224)       # #c7dae0 (on-dark-soft)

FONTS = "C:/Windows/Fonts"


def load(name, size):
    return ImageFont.truetype(os.path.join(FONTS, name), size)


def cover(im, w, h):
    """Schaal + crop zodat de foto het hele vlak vult (object-fit: cover)."""
    src_ratio = im.width / im.height
    dst_ratio = w / h
    if src_ratio > dst_ratio:
        new_h = h
        new_w = round(h * src_ratio)
    else:
        new_w = w
        new_h = round(w / src_ratio)
    im = im.resize((new_w, new_h), Image.LANCZOS)
    left = (new_w - w) // 2
    top = (new_h - h) // 2
    return im.crop((left, top, left + w, top + h))


def main():
    base = cover(Image.open(SRC).convert("RGB"), W, H)

    # Petrol-gradient: links sterk donker -> rechts transparant (tekst leesbaar links).
    overlay = Image.new("RGBA", (W, H), (0, 0, 0, 0))
    od = overlay.load()
    for x in range(W):
        # alpha van ~0.92 links naar ~0.05 rechts
        t = x / W
        a = int(235 * (1 - t) ** 1.5 + 12)
        for y in range(H):
            od[x, y] = (*PETROL_DEEP, a)
    # extra donkere voet onderaan voor de tagline
    foot = Image.new("RGBA", (W, H), (0, 0, 0, 0))
    fd = foot.load()
    for y in range(H):
        t = max(0, (y - H * 0.55) / (H * 0.45))
        a = int(160 * t)
        for x in range(W):
            fd[x, y] = (*PETROL_DEEP, a)

    img = Image.alpha_composite(base.convert("RGBA"), overlay)
    img = Image.alpha_composite(img, foot)
    draw = ImageDraw.Draw(img)

    # Cyaan accent-balk links
    draw.rectangle([0, 0, 12, H], fill=CYAAN)

    pad = 70
    # Wordmark (twee regels, zwaar)
    f_brand = load("ariblk.ttf", 86)
    f_sub = load("ariblk.ttf", 86)
    draw.text((pad, 150), "Helvoirt", font=f_brand, fill=WHITE)
    draw.text((pad, 248), "Gevelreiniging", font=f_sub, fill=CYAAN)

    # Tagline
    f_tag = load("segoeui.ttf", 34)
    draw.text((pad, 372), "Gevelreiniging  ·  voegwerk  ·  dakreiniging + coating", font=f_tag, fill=SOFT)

    # 4,9 op Google (sterren + tekst). Sterren via Segoe UI Symbol (heeft U+2605).
    f_score = load("arialbd.ttf", 40)
    f_stars = load("seguisym.ttf", 34)
    y_score = 452
    draw.text((pad, y_score), "★★★★★", font=f_stars, fill=STAR)
    stars_w = draw.textlength("★★★★★", font=f_stars)
    draw.text((pad + stars_w + 20, y_score - 3), "4,9 op Google", font=f_score, fill=WHITE)

    # Werkgebied-regel
    f_region = load("segoeui.ttf", 28)
    draw.text((pad, 520), "Helvoirt en omgeving", font=f_region, fill=SOFT)

    img.convert("RGB").save(OUT, "WEBP", quality=88, method=6)
    print("OG-image geschreven:", OUT, Image.open(OUT).size)


if __name__ == "__main__":
    main()