#!/data/data/com.termux/files/usr/bin/bash
set -e

BOOTSTRAP_VERSION="0.1.0"
REPO_URL="${ANDROID_BUILDER_REPO:-https://git.dark98.co.uk/Dark98/Termux-Android-Builder.git}"
INSTALL_DIR="${ANDROID_BUILDER_HOME:-$HOME/android-builder}"

echo "AndroidBuilder Bootstrapper v$BOOTSTRAP_VERSION"
echo

if [ -z "$PREFIX" ] || [ ! -d "/data/data/com.termux/files/usr" ]; then
  echo "Error: this installer must be run inside Termux."
  exit 1
fi

echo "==> Updating Termux package lists"
pkg update -y

echo "==> Installing bootstrap dependencies"
pkg install -y git curl

if [ -d "$INSTALL_DIR/.git" ]; then
  echo "==> Existing install found, updating"

  git -C "$INSTALL_DIR" remote get-url origin >/dev/null 2>&1 || {
    echo "Error: $INSTALL_DIR exists but is not a valid git repo."
    exit 1
  }

  git -C "$INSTALL_DIR" pull --ff-only
else
  echo "==> Cloning AndroidBuilder"
  rm -rf "$INSTALL_DIR"
  git clone "$REPO_URL" "$INSTALL_DIR"
fi

echo "==> Adding AndroidBuilder to PATH"
PROFILE="$HOME/.bashrc"
PATH_LINE="export PATH=$INSTALL_DIR/bin:\$PATH"
LEGACY_PATH_LINE='export PATH=$HOME/android-builder/bin:$PATH'

touch "$PROFILE"

if grep -qxF "$LEGACY_PATH_LINE" "$PROFILE"; then
  sed -i "s#^export PATH=\\\$HOME/android-builder/bin:\\\$PATH$#$PATH_LINE#" "$PROFILE"
elif ! grep -qxF "$PATH_LINE" "$PROFILE"; then
  echo "" >> "$PROFILE"
  echo "# AndroidBuilder" >> "$PROFILE"
  echo "$PATH_LINE" >> "$PROFILE"
fi

export PATH="$INSTALL_DIR/bin:$PATH"

echo
echo "========================================="
echo " AndroidBuilder installed successfully!"
echo "========================================="
echo
echo "Current session:"
echo "  android-builder is available now"
echo
echo "Future Termux sessions:"
echo "  close and reopen Termux"
echo "  or run: source ~/.bashrc"
echo
echo "Next step:"
echo "  android-builder setup"
echo