#!/usr/bin/env bash

set -euo pipefail

WEBP_VERSION="1.5.0"
WEBP_TAR_URL="https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-${WEBP_VERSION}.tar.gz"
WEBP_TAR_FILE="/tmp/libwebp-${WEBP_VERSION}.tar.gz"
WEBP_SRC_DIR="/tmp/libwebp-${WEBP_VERSION}"

prepare_source() {
  cd /tmp

  # Remove old files if they exist
  [ -f "$WEBP_TAR_FILE" ] && rm "$WEBP_TAR_FILE"
  [ -d "$WEBP_SRC_DIR" ] && rm -rf "$WEBP_SRC_DIR"

  wget "$WEBP_TAR_URL"
  tar -xzf "$WEBP_TAR_FILE"
  cd "$WEBP_SRC_DIR"
}

build_and_install() {
  export MAKEFLAGS=-j$(nproc)
  CONFIG_FLAGS=( --enable-static --disable-shared --enable-threading --prefix="$HOME/.local")
  ARCH=$(arch)

  if [ "$ARCH" = "x86_64" ]; then
    CONFIG_FLAGS+=( --enable-sse2 )
  elif [ "$ARCH" = "aarch64" ]; then
    CONFIG_FLAGS+=( --enable-neon )
  else
    echo "Unsupported architecture: $ARCH" && exit 1;
  fi

  ./configure "${CONFIG_FLAGS[@]}"
  make install
}

prepare_source
build_and_install