# -*- coding: utf-8 -*-
# 生成 Footprints 应用图标：品牌蓝圆角方块 + 白色抽象足迹
from PIL import Image, ImageDraw
import os

OUT = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'app', 'src-tauri', 'icons')
os.makedirs(OUT, exist_ok=True)

BRAND = (48, 86, 211)
BRAND_DARK = (35, 62, 160)

def make(size):
    ss = size * 4  # 超采样抗锯齿
    img = Image.new('RGBA', (ss, ss), (0, 0, 0, 0))
    d = ImageDraw.Draw(img)
    radius = ss // 5
    # 背景圆角方块（上浅下深的纵向渐变）
    grad = Image.new('RGBA', (ss, ss), (0, 0, 0, 0))
    gd = ImageDraw.Draw(grad)
    for y in range(ss):
        t = y / ss
        c = tuple(int(BRAND[i] + (BRAND_DARK[i] - BRAND[i]) * t) for i in range(3)) + (255,)
        gd.line([(0, y), (ss, y)], fill=c)
    mask = Image.new('L', (ss, ss), 0)
    md = ImageDraw.Draw(mask)
    md.rounded_rectangle([0, 0, ss - 1, ss - 1], radius=radius, fill=255)
    img.paste(grad, (0, 0), mask)
    # 抽象足迹：前掌大椭圆 + 后跟小椭圆
    white = (255, 255, 255, 240)
    d.ellipse([ss*0.24, ss*0.16, ss*0.60, ss*0.62], fill=white)   # 前掌
    d.ellipse([ss*0.56, ss*0.58, ss*0.86, ss*0.84], fill=(255, 255, 255, 200))  # 后跟
    return img.resize((size, size), Image.LANCZOS)

for name, size in [('32x32.png', 32), ('128x128.png', 128), ('128x128@2x.png', 256), ('icon.png', 512)]:
    make(size).save(os.path.join(OUT, name))

ico_sizes = [16, 24, 32, 48, 64, 128, 256]
imgs = [make(s) for s in ico_sizes]
imgs[-1].save(os.path.join(OUT, 'icon.ico'), format='ICO', sizes=[(s, s) for s in ico_sizes])
print('icons generated:', os.listdir(OUT))