#!/bin/bash

# ============================================
# 前端编译发布脚本
# 用法: ./build-frontend.sh [项目名]
# 示例: 
#   ./build-frontend.sh           # 打包所有前端项目
#   ./build-frontend.sh admin     # 只打包fund-admin
#   ./build-frontend.sh mobile    # 只打包fund-mobile
# ============================================

set -e

# 颜色定义
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# 项目根目录
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
DEPLOY_DIR="${PROJECT_ROOT}/deploy"

# 前端项目配置
declare -A FRONTEND_PROJECTS=(
    ["admin"]="fund-admin"
    ["mobile"]="fund-mobile"
)

# 创建deploy目录
mkdir -p "${DEPLOY_DIR}"

# 打印帮助信息
print_help() {
    echo "用法: $0 [项目名]"
    echo ""
    echo "可用项目:"
    echo "  admin    - 管理后台 (fund-admin)"
    echo "  mobile   - 移动端 (fund-mobile)"
    echo "  all      - 打包所有前端项目 (默认)"
    echo ""
    echo "示例:"
    echo "  $0           # 打包所有前端项目"
    echo "  $0 admin     # 只打包管理后台"
    echo "  $0 mobile    # 只打包移动端"
}

# 检查Node.js环境
check_node() {
    if ! command -v node &> /dev/null; then
        echo -e "${RED}错误: 未安装Node.js，请先安装Node.js${NC}"
        exit 1
    fi
    
    if ! command -v npm &> /dev/null; then
        echo -e "${RED}错误: 未安装npm，请先安装npm${NC}"
        exit 1
    fi
    
    NODE_VERSION=$(node -v)
    echo -e "${GREEN}Node.js版本: ${NODE_VERSION}${NC}"
}

# 检查zip命令
check_zip() {
    if ! command -v zip &> /dev/null; then
        echo -e "${RED}错误: 未安装zip命令，请先安装zip${NC}"
        exit 1
    fi
}

# 构建单个前端项目
build_project() {
    local key=$1
    local project_name=${FRONTEND_PROJECTS[$key]}
    local project_dir="${PROJECT_ROOT}/${project_name}"
    local output_file="${DEPLOY_DIR}/${project_name}.zip"
    
    echo ""
    echo "=========================================="
    echo -e "${YELLOW}开始构建: ${project_name}${NC}"
    echo "=========================================="
    
    # 检查项目目录是否存在
    if [ ! -d "${project_dir}" ]; then
        echo -e "${RED}错误: 项目目录不存在 ${project_dir}${NC}"
        return 1
    fi
    
    # 检查package.json是否存在
    if [ ! -f "${project_dir}/package.json" ]; then
        echo -e "${RED}错误: 未找到package.json ${project_dir}/package.json${NC}"
        return 1
    fi
    
    cd "${project_dir}"
    
    # 安装依赖
    echo -e "${YELLOW}正在安装依赖...${NC}"
    npm install --silent
    
    # 执行构建
    echo -e "${YELLOW}正在编译项目...${NC}"
    npm run build:prod
    
    # 检查dist目录是否存在
    if [ ! -d "dist" ]; then
        echo -e "${RED}错误: 构建失败，未生成dist目录${NC}"
        return 1
    fi
    
    # 删除旧的zip文件
    if [ -f "${output_file}" ]; then
        rm -f "${output_file}"
        echo -e "${YELLOW}已删除旧的打包文件${NC}"
    fi
    
    # 打包dist目录
    echo -e "${YELLOW}正在打包...${NC}"
    cd dist
    zip -r "${output_file}" . -x "*.DS_Store" -x "__MACOSX/*"
    
    # 获取文件大小
    local file_size=$(du -h "${output_file}" | cut -f1)
    
    echo -e "${GREEN}构建完成: ${output_file} (${file_size})${NC}"
    
    # 返回项目根目录
    cd "${PROJECT_ROOT}"
}

# 主函数
main() {
    local target=${1:-"all"}
    
    echo "=========================================="
    echo "  前端编译发布脚本"
    echo "=========================================="
    echo "项目根目录: ${PROJECT_ROOT}"
    echo "输出目录: ${DEPLOY_DIR}"
    echo "目标项目: ${target}"
    echo ""
    
    # 环境检查
    check_node
    check_zip
    
    # 创建deploy目录
    mkdir -p "${DEPLOY_DIR}"
    
    local start_time=$(date +%s)
    
    case "${target}" in
        admin|mobile)
            build_project "${target}"
            ;;
        all)
            for key in "${!FRONTEND_PROJECTS[@]}"; do
                build_project "${key}"
            done
            ;;
        -h|--help|help)
            print_help
            exit 0
            ;;
        *)
            echo -e "${RED}错误: 未知项目 '${target}'${NC}"
            print_help
            exit 1
            ;;
    esac
    
    local end_time=$(date +%s)
    local duration=$((end_time - start_time))
    
    echo ""
    echo "=========================================="
    echo -e "${GREEN}所有构建任务完成！${NC}"
    echo "总耗时: ${duration}秒"
    echo "=========================================="
    echo ""
    echo "打包文件列表:"
    ls -lh "${DEPLOY_DIR}"/*.zip 2>/dev/null || echo "无打包文件"
}

main "$@"