#!/bin/bash
set -e

# ============================================================
# Verstak build script
# Usage: ./scripts/build.sh [gui|server|extensions|all|release]
# ============================================================

BUILD_DIR="build"

# --- GUI binary ---

build_gui() {
  echo "==> Building GUI binary..."

  # Build frontend
  cd frontend && npm run build && cd ..

  # Copy frontend dist to Wails embed directory
  rm -rf cmd/verstak-gui/frontend-dist
  mkdir -p cmd/verstak-gui/frontend-dist
  cp -r frontend/dist/. cmd/verstak-gui/frontend-dist/

  # Build Go binary with Wails v2
  # Tags: webkit2_41 required for WebKitGTK 2.41+, desktop/production for Wails
  go build -tags "webkit2_41 desktop production" -ldflags="-s -w" -o "$BUILD_DIR/verstak" ./cmd/verstak-gui/

  echo "==> GUI binary: $BUILD_DIR/verstak"
}

# --- Server binary ---

build_server() {
  echo "==> Building server binary..."
  go build -ldflags="-s -w" -o "$BUILD_DIR/verstak-server" ./cmd/verstak-server/
  echo "==> Server binary: $BUILD_DIR/verstak-server"
}

# --- Chrome extension ---

build_chrome_extension() {
  echo "==> Building Chrome extension..."

  local ext_dir="extension"
  local out_file="$BUILD_DIR/verstak-bridge-chrome.zip"

  if [ ! -d "$ext_dir" ]; then
    echo "ERROR: $ext_dir/ directory not found"
    return 1
  fi

  # Create a clean zip: manifest.json, background.js, popup/*, icons/*
  cd "$ext_dir"
  zip -r "../$out_file" \
    manifest.json \
    background.js \
    popup/ \
    icons/ \
    -x "*/.DS_Store" "*/Thumbs.db" "*/__MACOSX/*" "*/.git/*"
  cd ..

  echo "==> Chrome extension: $out_file"
}

# --- Firefox extension (unsigned) ---

build_firefox_extension() {
  echo "==> Building Firefox extension..."

  local ext_dir="extension-firefox"
  local out_file="$BUILD_DIR/verstak-bridge-firefox-unsigned.zip"

  if [ ! -d "$ext_dir" ]; then
    echo "ERROR: $ext_dir/ directory not found"
    return 1
  fi

  cd "$ext_dir"
  zip -r "../$out_file" \
    manifest.json \
    background.js \
    popup/ \
    icons/ \
    -x "*/.DS_Store" "*/Thumbs.db" "*/__MACOSX/*" "*/.git/*"
  cd ..

  echo "==> Firefox extension (unsigned): $out_file"
}

# --- All extensions ---

build_extensions() {
  mkdir -p "$BUILD_DIR"
  build_chrome_extension
  build_firefox_extension
  echo "==> Extensions built."
  ls -lh "$BUILD_DIR"/verstak-bridge-*
}

# --- Everything ---

build_all() {
  mkdir -p "$BUILD_DIR"
  build_gui
  build_server
  build_chrome_extension
  build_firefox_extension
  echo ""
  echo "==> All builds complete."
  ls -lh "$BUILD_DIR/"
}

# --- Release: copy to release/linux/ ---

prepare_release() {
  local RELEASE_DIR="release/linux"
  mkdir -p "$RELEASE_DIR"

  if [ -f "$BUILD_DIR/verstak" ]; then
    cp "$BUILD_DIR/verstak" "$RELEASE_DIR/verstak"
    chmod 755 "$RELEASE_DIR/verstak"
    echo "  $RELEASE_DIR/verstak"
  else
    echo "  WARNING: $BUILD_DIR/verstak not found, skipping"
  fi

  if [ -f "$BUILD_DIR/verstak-server" ]; then
    cp "$BUILD_DIR/verstak-server" "$RELEASE_DIR/verstak-server"
    chmod 755 "$RELEASE_DIR/verstak-server"
    echo "  $RELEASE_DIR/verstak-server"
  else
    echo "  WARNING: $BUILD_DIR/verstak-server not found, skipping"
  fi
}

build_release() {
  echo "==> Building all + preparing release/linux/..."
  build_all
  prepare_release
  echo ""
  echo "==> Release binaries in release/linux/"
  ls -lh "release/linux/"
}

# --- Main ---

case "${1:-all}" in
  gui)         build_gui ;;
  server)      build_server ;;
  extensions)  build_extensions ;;
  chrome)      mkdir -p "$BUILD_DIR"; build_chrome_extension ;;
  firefox)     mkdir -p "$BUILD_DIR"; build_firefox_extension ;;
  release)     build_release ;;
  all)         build_all ;;
  *)
    echo "Usage: $0 [gui|server|extensions|chrome|firefox|release|all]"
    exit 1
    ;;
esac