#!/bin/bash

set -euo pipefail

usage() {
	cat <<'EOF'
Usage: build-electron-release [options]

Options:
  --no-install          跳过依赖安装
  --no-renderer         跳过 vite build
  --target <list>       打包目标，默认 linux,windows,macos
                        可用值：linux,windows,win,macos,mac,darwin
  --release-dir <dir>   输出目录，默认 release
  -h, --help            显示帮助

Environment:
  PACKAGE_MANAGER       指定包管理器：pnpm、npm、yarn
  ELECTRON_TARGETS      同 --target
  RELEASE_DIR           同 --release-dir
EOF
}

install_deps=true
build_renderer=true
targets="${ELECTRON_TARGETS:-linux,windows,macos}"
release_dir="${RELEASE_DIR:-release}"
package_manager="${PACKAGE_MANAGER:-}"

while [ "$#" -gt 0 ]; do
	case "$1" in
		--no-install)
			install_deps=false
			;;
		--no-renderer)
			build_renderer=false
			;;
		--target)
			shift
			if [ "$#" -lt 1 ]; then
				echo "缺少 --target 参数值" >&2
				exit 1
			fi
			targets="$1"
			;;
		--release-dir)
			shift
			if [ "$#" -lt 1 ]; then
				echo "缺少 --release-dir 参数值" >&2
				exit 1
			fi
			release_dir="$1"
			;;
		-h|--help)
			usage
			exit 0
			;;
		*)
			echo "未知参数：$1" >&2
			usage >&2
			exit 1
			;;
	esac
	shift
done

detect_package_manager() {
	if [ -n "$package_manager" ]; then
		echo "$package_manager"
		return
	fi

	if [ -f pnpm-lock.yaml ]; then
		echo "pnpm"
		return
	fi

	if [ -f yarn.lock ]; then
		echo "yarn"
		return
	fi

	echo "npm"
}

pm="$(detect_package_manager)"

install_project_deps() {
	case "$pm" in
		pnpm)
			pnpm install --frozen-lockfile
			;;
		npm)
			npm ci
			;;
		yarn)
			yarn install --frozen-lockfile
			;;
		*)
			echo "不支持的包管理器：$pm" >&2
			exit 1
			;;
	esac
}

run_local_bin() {
	case "$pm" in
		pnpm)
			pnpm exec "$@"
			;;
		npm)
			npx --no-install "$@"
			;;
		yarn)
			yarn exec "$@"
			;;
	esac
}

has_target() {
	local target="$1"
	local item
	local normalized_targets

	normalized_targets="$(echo "$targets" | tr 'A-Z' 'a-z' | tr -d ' ')"
	IFS=',' read -ra items <<< "$normalized_targets"

	for item in "${items[@]}"; do
		case "$item:$target" in
			linux:linux|windows:windows|win:windows|macos:macos|mac:macos|darwin:macos)
				return 0
				;;
		esac
	done

	return 1
}

if $install_deps; then
	install_project_deps
fi

if $build_renderer; then
	run_local_bin vite build
fi

if has_target linux; then
	run_local_bin electron-builder --linux AppImage --x64 --publish never --config.directories.output="${release_dir}/linux"
fi

if has_target windows; then
	run_local_bin electron-builder --win nsis --x64 --publish never --config.directories.output="${release_dir}/windows"
fi

if has_target macos; then
	run_local_bin electron-builder --mac zip --x64 --arm64 --publish never --config.directories.output="${release_dir}/macos"
fi