#!/usr/bin/env bash
# Build dsh-launcher.app for macOS (universal arm64/x86_64).
#
# 用法: ./scripts/build-mac.sh
#
# 产物: build/bin/dsh-launcher.app
# 安装: ./scripts/install-app.sh  (拷贝到 /Applications/ + 刷新图标缓存)
#
# 注意: Wails v2 跨平台 build 需要在目标平台编译。
# 想出 Windows 版,必须在 Windows 上跑 scripts/build-windows.bat。

set -euo pipefail

cd "$(dirname "$0")/.."

echo "▶ dsh-launcher · macOS build"
echo ""

# 1. 基础工具检查
command -v go >/dev/null 2>&1 || { echo "✗ go not installed"; exit 1; }
command -v node >/dev/null 2>&1 || { echo "✗ node not installed"; exit 1; }
command -v npm >/dev/null 2>&1 || { echo "✗ npm not installed"; exit 1; }
command -v wails >/dev/null 2>&1 || { echo "✗ wails not installed (go install github.com/wailsapp/wails/v2/cmd/wails@latest)"; exit 1; }

GOOS=$(go env GOOS)
if [[ "${GOOS}" != "darwin" ]]; then
  echo "✗ must run on macOS (current: ${GOOS})"
  exit 1
fi

# 2. 同步前端依赖(版本变更后才需要,但每次跑更稳)
echo "▶ npm install"
(cd frontend && npm install)

# 3. 编译
# -clean: 清掉 build/bin,确保 icns / Info.plist 跟当前源码一致
# 不带 -platform: 当前平台 + 当前架构
echo ""
echo "▶ wails build"
wails build -clean

# 4. 校验产物
APP="build/bin/dsh-launcher.app"
if [[ ! -d "${APP}" ]]; then
  echo "✗ ${APP} not found"
  exit 1
fi
if [[ ! -f "${APP}/Contents/Resources/iconfile.icns" ]]; then
  echo "✗ iconfile.icns missing"
  exit 1
fi

ICON_SIZE=$(stat -f%z "${APP}/Contents/Resources/iconfile.icns")
EXE_SIZE=$(stat -f%z "${APP}/Contents/MacOS/dsh-launcher")
echo ""
echo "✓ app:    ${APP}"
echo "  binary: ${EXE_SIZE} bytes"
echo "  icon:   ${ICON_SIZE} bytes"
echo ""
echo "  open: open ${APP}"
echo "  install: ./scripts/install-app.sh"