#!/bin/sh
set -eu

APP_NAME="Notchly.app"
APP_LABEL="Notchly"
APP_EXECUTABLE_RELATIVE_PATH="Contents/MacOS/Notchly"
ASSET_URL="https://notchly.vercel.app/download/latest"
TMP_DIR="$(mktemp -d /tmp/notchly-install.XXXXXX)"
ASSET_PATH="$TMP_DIR/Notchly.download"
MOUNT_POINT=""
INSTALL_DIR=""
APP_TARGET=""
APP_SOURCE=""

cleanup() {
  if [ -n "$MOUNT_POINT" ]; then
    hdiutil detach "$MOUNT_POINT" -quiet >/dev/null 2>&1 || true
  fi
  rm -rf "$TMP_DIR"
}

trap cleanup EXIT INT TERM

printf "\nInstalling %s...\n" "$APP_LABEL"
printf "Downloading the latest build...\n"
curl -fsSL "$ASSET_URL" -o "$ASSET_PATH"

if hdiutil imageinfo "$ASSET_PATH" >/dev/null 2>&1; then
  printf "Mounting installer...\n"
  MOUNT_POINT="$(hdiutil attach "$ASSET_PATH" -nobrowse 2>/dev/null | awk 'index($0, "/Volumes/") {for (i = 3; i <= NF; i++) printf "%s%s", $i, i == NF ? ORS : OFS} END {if (NR == 0) exit 1}')"
  APP_SOURCE="$MOUNT_POINT/$APP_NAME"
else
  printf "Extracting installer archive...\n"
  unzip -q "$ASSET_PATH" -d "$TMP_DIR/unpacked"
  _exe_rel="/$APP_EXECUTABLE_RELATIVE_PATH"
  APP_SOURCE="$(find "$TMP_DIR/unpacked" -type f -path "*/$APP_EXECUTABLE_RELATIVE_PATH" ! -path "*/__MACOSX/*" | head -n 1)"
  APP_SOURCE="${APP_SOURCE%$_exe_rel}"
fi

if [ -z "$APP_SOURCE" ] || [ ! -d "$APP_SOURCE" ]; then
  printf "Failed to find %s inside downloaded installer archive.\n" "$APP_NAME" >&2
  exit 1
fi

if pgrep -x "$APP_LABEL" >/dev/null 2>&1; then
  osascript -e 'tell application "Notchly" to quit' >/dev/null 2>&1 || true
  sleep 1
fi

if [ -w "/Applications" ]; then
  INSTALL_DIR="/Applications"
else
  INSTALL_DIR="$HOME/Applications"
  mkdir -p "$INSTALL_DIR"
fi

APP_TARGET="$INSTALL_DIR/$APP_NAME"

printf "Copying %s to %s...\n" "$APP_LABEL" "$INSTALL_DIR"
rm -rf "$APP_TARGET"
ditto "$APP_SOURCE" "$APP_TARGET"
xattr -dr com.apple.quarantine "$APP_TARGET" >/dev/null 2>&1 || true

if [ ! -x "$APP_TARGET/$APP_EXECUTABLE_RELATIVE_PATH" ]; then
  printf "Installed %s is missing its executable at %s.\n" "$APP_LABEL" "$APP_TARGET/$APP_EXECUTABLE_RELATIVE_PATH" >&2
  exit 1
fi

open "$APP_TARGET"

printf "\n%s is installed at %s and opening now.\n" "$APP_LABEL" "$APP_TARGET"