#!/bin/bash
# ================================================
# 星启面板 - 一键安装脚本
# 官网: https://xingqi.panel
# ================================================

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
BLUE='\033[0;34m'
NC='\033[0m'

echo -e "${BLUE}"
echo "  ╔═══════════════════════════════════════════╗"
echo "  ║                                           ║"
echo "  ║        ⭐ 星启面板 安装程序 ⭐           ║"
echo "  ║                                           ║"
echo "  ║        版本: 1.0.0                        ║"
echo "  ║                                           ║"
echo "  ╚═══════════════════════════════════════════╝"
echo -e "${NC}"

# 检查root权限
if [ "$(id -u)" != "0" ]; then
    echo -e "${RED}错误: 请使用root权限运行此脚本${NC}"
    echo "使用: sudo bash install.sh"
    exit 1
fi

# 设置管理员账号
setup_admin() {
    echo ""
    echo -e "${BLUE}════════════════════════════════════════════${NC}"
    echo -e "${BLUE}           设置管理员账号密码              ${NC}"
    echo -e "${BLUE}════════════════════════════════════════════${NC}"
    echo ""
    
    # 输入用户名（从终端读取）
    while true; do
        read -p "请输入管理员用户名 (默认: admin): " ADMIN_USER < /dev/tty
        ADMIN_USER=${ADMIN_USER:-admin}
        if [[ ${#ADMIN_USER} -ge 3 ]]; then
            break
        else
            echo -e "${RED}用户名至少3个字符${NC}"
        fi
    done
    
    # 输入密码（从终端读取，解决管道输入问题）
    while true; do
        read -s -p "请输入管理员密码 (至少6位): " ADMIN_PASS < /dev/tty
        echo ""
        if [[ ${#ADMIN_PASS} -ge 6 ]]; then
            read -s -p "请再次确认密码: " ADMIN_PASS2 < /dev/tty
            echo ""
            if [ "$ADMIN_PASS" == "$ADMIN_PASS2" ]; then
                break
            else
                echo -e "${RED}两次密码不一致，请重新输入${NC}"
            fi
        else
            echo -e "${RED}密码至少6个字符${NC}"
        fi
    done
    
    echo ""
    echo -e "${GREEN}✓ 管理员账号设置完成${NC}"
    echo -e "  用户名: ${YELLOW}$ADMIN_USER${NC}"
    echo ""
}

# 检查系统
check_system() {
    if [ -f /etc/redhat-release ]; then
        OS="centos"
    elif cat /etc/issue | grep -Eqi "debian"; then
        OS="debian"
    elif cat /etc/issue | grep -Eqi "ubuntu"; then
        OS="ubuntu"
    else
        echo -e "${RED}暂不支持此系统${NC}"
        exit 1
    fi
    echo -e "${GREEN}✓ 检测到系统: $OS${NC}"
}

# 安装依赖
install_deps() {
    echo -e "${YELLOW}正在安装依赖...${NC}"
    
    if [ "$OS" == "centos" ]; then
        yum install -y curl wget git unzip nodejs npm
    else
        apt-get update
        apt-get install -y curl wget git unzip nodejs npm
    fi
    
    # 安装Node.js 18+
    if ! command -v node &> /dev/null || [ "$(node -v | cut -d'v' -f2 | cut -d'.' -f1)" -lt 18 ]; then
        echo -e "${YELLOW}安装 Node.js 18...${NC}"
        curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
        apt-get install -y nodejs || yum install -y nodejs
    fi
    
    echo -e "${GREEN}✓ 依赖安装完成${NC}"
}

# 下载面板
download_panel() {
    echo -e "${YELLOW}正在下载星启面板...${NC}"
    
    INSTALL_DIR="/opt/xingqipanel"
    WWWROOT="/www/wwwroot"
    mkdir -p $INSTALL_DIR
    mkdir -p $WWWROOT
    cd $INSTALL_DIR
    
    # 下载最新版本
    wget -O panel.zip "https://panel.xyxhqy.com/downloads/xingqi-panel-latest.zip" 2>/dev/null || {
        echo -e "${YELLOW}从备用源下载...${NC}"
        curl -L -o panel.zip "https://panel.xyxhqy.com/downloads/xingqi-panel-latest.zip" 2>/dev/null || {
            echo -e "${RED}下载失败，请检查网络${NC}"
            exit 1
        }
    }
    
    if [ -f panel.zip ]; then
        unzip -o panel.zip
        rm panel.zip
    fi
    
    echo -e "${GREEN}✓ 下载完成${NC}"
}

# 安装面板
install_panel() {
    echo -e "${YELLOW}正在安装面板...${NC}"
    
    cd /opt/xingqipanel
    
    # 安装后端依赖（前端已预构建，无需安装）
    npm install --omit=dev
    
    echo -e "${GREEN}✓ 面板安装完成${NC}"
}

# 配置管理员账号
config_admin() {
    echo -e "${YELLOW}正在配置管理员账号...${NC}"
    
    cd /opt/xingqipanel/server
    
    # 生成密码哈希 (使用node)
    PASS_HASH=$(node -e "const bcrypt = require('bcryptjs'); console.log(bcrypt.hashSync('$ADMIN_PASS', 10))")
    
    # 写入配置文件 (后端使用 config.json)
    cat > config.json << EOF
{
  "username": "$ADMIN_USER",
  "password": "$PASS_HASH",
  "panelPort": 3001,
  "theme": "light",
  "language": "zh-CN",
  "setupComplete": true
}
EOF
    
    echo -e "${GREEN}✓ 管理员账号配置完成${NC}"
}

# 配置服务
setup_service() {
    echo -e "${YELLOW}正在配置系统服务...${NC}"
    
    cat > /etc/systemd/system/xingqi-panel.service << EOF
[Unit]
Description=星启面板
After=network.target

[Service]
Type=simple
User=root
WorkingDirectory=/opt/xingqipanel
Environment=NODE_ENV=production
ExecStart=/usr/bin/node server/index.js
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF

    systemctl daemon-reload
    systemctl enable xingqi-panel
    systemctl start xingqi-panel
    
    echo -e "${GREEN}✓ 服务配置完成${NC}"
}

# 显示完成信息
show_complete() {
    # 获取IP
    IP=$(curl -s ip.sb || curl -s ifconfig.me || hostname -I | awk '{print $1}')
    
    echo ""
    echo -e "${GREEN}  ╔═══════════════════════════════════════════╗${NC}"
    echo -e "${GREEN}  ║                                           ║${NC}"
    echo -e "${GREEN}  ║      ⭐ 星启面板安装成功! ⭐            ║${NC}"
    echo -e "${GREEN}  ║                                           ║${NC}"
    echo -e "${GREEN}  ╚═══════════════════════════════════════════╝${NC}"
    echo ""
    echo -e "  面板地址: ${BLUE}http://$IP:3001${NC}"
    echo ""
    echo -e "  ┌─────────────────────────────────────────┐"
    echo -e "  │  管理员账号: ${YELLOW}$ADMIN_USER${NC}"
    echo -e "  │  管理员密码: ${YELLOW}(您设置的密码)${NC}"
    echo -e "  └─────────────────────────────────────────┘"
    echo ""
    echo -e "  ${GREEN}请妥善保管您的账号密码!${NC}"
    echo ""
    echo -e "${BLUE}  ════════════════════════════════════════════${NC}"
    echo ""
    echo "  常用命令:"
    echo "    启动: systemctl start xingqi-panel"
    echo "    停止: systemctl stop xingqi-panel"
    echo "    重启: systemctl restart xingqi-panel"
    echo "    状态: systemctl status xingqi-panel"
    echo "    日志: journalctl -u xingqi-panel -f"
    echo ""
    
    # 上报安装统计
    curl -s -X POST "https://panel.xyxhqy.com/api/stats/install" > /dev/null 2>&1
}

# 主流程
main() {
    setup_admin
    check_system
    install_deps
    download_panel
    install_panel
    config_admin
    setup_service
    show_complete
}

main