#!/usr/bin/env bash
# rasterizes assets/androidIcon.svg edge-to-edge into the android mipmap-density buckets used by the launcher.

set -euo pipefail

ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
SVG="$ROOT/assets/androidIcon.svg"
RES="$ROOT/android/app/src/main/res"

if [[ ! -f "$SVG" ]]; then
    echo "ERROR: $SVG not found" >&2
    exit 1
fi

if ! command -v rsvg-convert >/dev/null 2>&1; then
    echo "ERROR: rsvg-convert not on PATH (brew install librsvg)" >&2
    exit 1
fi

# launcher icon density buckets per the android docs.
DENSITIES=(
    "mdpi 48"
    "hdpi 72"
    "xhdpi 96"
    "xxhdpi 144"
    "xxxhdpi 192"
)

for entry in "${DENSITIES[@]}"; do
    bucket="${entry%% *}"
    size="${entry##* }"
    dir="$RES/mipmap-$bucket"
    mkdir -p "$dir"
    rsvg-convert --width="$size" --height="$size" "$SVG" -o "$dir/ic_launcher.png"
done

# 512x512 play-store icon staged alongside the launcher buckets
mkdir -p "$RES/mipmap-xxxhdpi"
rsvg-convert --width=512 --height=512 "$SVG" -o "$RES/mipmap-xxxhdpi/ic_launcher_play.png"

echo "wrote launcher icons across ${#DENSITIES[@]} density buckets + play store size"