"""Draws MiniABS's PNG icons for ldpi (Galaxy Mini), mdpi and hdpi.

Android 2.x has no vector drawables, so every icon is rendered here at 4x and
downsampled for smooth edges.
"""
import os
import sys
from PIL import Image, ImageDraw

RES = sys.argv[1]
DENS = {"ldpi": 0.75, "mdpi": 1.0, "hdpi": 1.5}
AMBER = (245, 166, 35, 255)
DARK = (18, 21, 25, 255)
WHITE = (255, 255, 255, 255)
SS = 4  # supersampling


def canvas(px):
    s = px * SS
    return Image.new("RGBA", (s, s), (0, 0, 0, 0)), s


def save(img, px, folder, name):
    out = img.resize((px, px), Image.LANCZOS)
    d = os.path.join(RES, "drawable-" + folder)
    os.makedirs(d, exist_ok=True)
    out.save(os.path.join(d, name + ".png"))


def broadcast(d, s, cx, cy, scale, color, bg):
    """Podcast mark: a dot with two arcs on each side."""
    r = s * 0.075 * scale
    d.ellipse([cx - r, cy - r, cx + r, cy + r], fill=color)
    w = max(1, int(s * 0.07 * scale))
    for k in (0.22, 0.37):
        rr = s * k * scale
        box = [cx - rr, cy - rr, cx + rr, cy + rr]
        d.arc(box, 140, 220, fill=color, width=w)
        d.arc(box, -40, 40, fill=color, width=w)


def launcher(px, folder):
    img, s = canvas(px)
    d = ImageDraw.Draw(img)
    m = s * 0.06
    d.rounded_rectangle([m, m, s - m, s - m], radius=s * 0.2, fill=DARK, outline=AMBER, width=int(s * 0.04))
    broadcast(d, s, s / 2, s * 0.44, 1.0, AMBER, DARK)
    # little stand under the mark
    w = s * 0.05
    d.rectangle([s / 2 - w / 2, s * 0.5, s / 2 + w / 2, s * 0.74], fill=AMBER)
    d.rounded_rectangle([s * 0.36, s * 0.72, s * 0.64, s * 0.78], radius=w / 2, fill=AMBER)
    save(img, px, folder, "ic_launcher")


def status(px, folder):
    img, s = canvas(px)
    d = ImageDraw.Draw(img)
    broadcast(d, s, s / 2, s / 2, 1.25, WHITE, None)
    save(img, px, folder, "ic_stat")


def play(px, folder, name, color):
    img, s = canvas(px)
    d = ImageDraw.Draw(img)
    d.polygon([(s * 0.32, s * 0.2), (s * 0.32, s * 0.8), (s * 0.82, s * 0.5)], fill=color)
    save(img, px, folder, name)


def pause(px, folder, name, color):
    img, s = canvas(px)
    d = ImageDraw.Draw(img)
    d.rectangle([s * 0.26, s * 0.2, s * 0.43, s * 0.8], fill=color)
    d.rectangle([s * 0.57, s * 0.2, s * 0.74, s * 0.8], fill=color)
    save(img, px, folder, name)


def refresh(px, folder):
    img, s = canvas(px)
    d = ImageDraw.Draw(img)
    w = int(s * 0.1)
    box = [s * 0.2, s * 0.2, s * 0.8, s * 0.8]
    d.arc(box, 30, 320, fill=WHITE, width=w)
    # arrow head at the arc's end (top right)
    d.polygon([(s * 0.86, s * 0.14), (s * 0.88, s * 0.48), (s * 0.56, s * 0.36)], fill=WHITE)
    save(img, px, folder, "ic_refresh")


for folder, k in DENS.items():
    launcher(round(48 * k), folder)
    status(round(25 * k), folder)
    play(round(40 * k), folder, "ic_play", DARK)
    pause(round(40 * k), folder, "ic_pause", DARK)
    play(round(28 * k), folder, "ic_play_small", AMBER)
    pause(round(28 * k), folder, "ic_pause_small", AMBER)
    refresh(round(24 * k), folder)
print("icons ok")