#!/bin/bash

# 批量重构脚本 - 使用配置文件进行批量重构
# Author: Leocoder
# Version: 1.0

# 颜色定义
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
PURPLE='\033[0;35m'
CYAN='\033[0;36m'
WHITE='\033[1;37m'
NC='\033[0m' # No Color

print_success() {
    echo -e "${GREEN}✓ $1${NC}"
}

print_error() {
    echo -e "${RED}✗ $1${NC}"
}

print_info() {
    echo -e "${PURPLE}ℹ $1${NC}"
}

print_warning() {
    echo -e "${YELLOW}⚠ $1${NC}"
}

# 检查配置文件
check_config_file() {
    local config_file="$1"
    
    if [ ! -f "$config_file" ]; then
        print_error "配置文件不存在: $config_file"
        echo ""
        echo "请先创建配置文件："
        echo "1. 复制 refactor-config.example 为 refactor-config.conf"
        echo "2. 编辑 refactor-config.conf 设置正确的值"
        echo "3. 运行: ./batch-refactor.sh refactor-config.conf"
        exit 1
    fi
}

# 加载配置文件
load_config() {
    local config_file="$1"
    
    print_info "加载配置文件: $config_file"
    
    # 读取配置文件
    source "$config_file"
    
    # 验证必需的配置项
    local required_vars=("PROJECT_DIR" "OLD_GROUP_ID" "NEW_GROUP_ID" "OLD_ARTIFACT_ID" "NEW_ARTIFACT_ID" "OLD_MODULE_PREFIX" "NEW_MODULE_PREFIX")
    
    for var in "${required_vars[@]}"; do
        if [ -z "${!var}" ]; then
            print_error "配置项 $var 未设置"
            exit 1
        fi
    done
    
    print_success "配置加载成功"
}

# 显示配置信息
show_config() {
    echo ""
    echo -e "${WHITE}批量重构配置:${NC}"
    echo -e "${CYAN}项目目录:${NC} $PROJECT_DIR"
    echo -e "${CYAN}旧 GroupId:${NC} $OLD_GROUP_ID"
    echo -e "${CYAN}新 GroupId:${NC} $NEW_GROUP_ID"
    echo -e "${CYAN}旧 ArtifactId:${NC} $OLD_ARTIFACT_ID"
    echo -e "${CYAN}新 ArtifactId:${NC} $NEW_ARTIFACT_ID"
    echo -e "${CYAN}旧模块前缀:${NC} $OLD_MODULE_PREFIX"
    echo -e "${CYAN}新模块前缀:${NC} $NEW_MODULE_PREFIX"
    
    if [ -n "$OLD_DATABASE_NAME" ]; then
        echo -e "${CYAN}旧数据库名:${NC} $OLD_DATABASE_NAME"
        echo -e "${CYAN}新数据库名:${NC} $NEW_DATABASE_NAME"
    fi
    
    echo ""
}

# 执行重构
execute_refactor() {
    local script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
    local refactor_script="$script_dir/project-refactor.sh"
    
    if [ ! -f "$refactor_script" ]; then
        print_error "重构脚本不存在: $refactor_script"
        exit 1
    fi
    
    # 创建临时输入文件
    local temp_input=$(mktemp)
    
    # 生成自动化输入
    cat > "$temp_input" << EOF
$PROJECT_DIR
$OLD_GROUP_ID
$OLD_ARTIFACT_ID
$OLD_MODULE_PREFIX
$NEW_GROUP_ID
$NEW_ARTIFACT_ID
$NEW_MODULE_PREFIX
$OLD_DATABASE_NAME
$NEW_DATABASE_NAME
y
EOF
    
    if [ "$CREATE_BACKUP" = "true" ]; then
        echo "y" >> "$temp_input"
    else
        echo "n" >> "$temp_input"
    fi
    
    # 执行重构脚本
    print_info "开始执行重构..."
    "$refactor_script" < "$temp_input"
    
    # 清理临时文件
    rm -f "$temp_input"
    
    if [ $? -eq 0 ]; then
        print_success "批量重构完成!"
    else
        print_error "重构过程中出现错误"
        exit 1
    fi
}

# 主函数
main() {
    echo -e "${CYAN}"
    echo "╔══════════════════════════════════════════════════════════════════════════════╗"
    echo "║                           批量重构脚本                                        ║"
    echo "║                        Batch Refactoring Tool                               ║"
    echo "╚══════════════════════════════════════════════════════════════════════════════╝"
    echo -e "${NC}"
    
    local config_file="$1"
    
    if [ -z "$config_file" ]; then
        config_file="refactor-config.conf"
        print_info "使用默认配置文件: $config_file"
    fi
    
    check_config_file "$config_file"
    load_config "$config_file"
    show_config
    
    if [ "$AUTO_CONFIRM" != "true" ]; then
        echo -e "${YELLOW}警告: 此操作将修改项目中的所有相关文件！${NC}"
        read -p "是否继续? (y/N): " confirm
        if [[ ! "$confirm" =~ ^[Yy]$ ]]; then
            print_info "操作已取消"
            exit 0
        fi
    fi
    
    execute_refactor
}

# 使用说明
usage() {
    echo "使用方法:"
    echo "  $0 [配置文件]"
    echo ""
    echo "示例:"
    echo "  $0                              # 使用默认配置文件 refactor-config.conf"
    echo "  $0 my-project-config.conf       # 使用指定配置文件"
    echo ""
    echo "配置文件格式请参考 refactor-config.example"
}

# 参数检查
if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
    usage
    exit 0
fi

# 执行主函数
main "$@"