#!/usr/bin/env bash
# book-mcp 前端部署 — codelab 上跑（独立脚本，从 install.sh 调或手动调）
#
# 两条路径：
#   A. dev 模式（端口 5176 + 反代 80）
#   B. 生产构建（dist/ + nginx/caddy）

set -euo pipefail

cd "$(dirname "$0")/../frontend"
log() { echo "[$(date +%H:%M:%S)] $*"; }

log "→ 装前端依赖"
[ -d node_modules ] || npm install --no-audit --no-fund
log "  ✓ 依赖 OK"

# ============================================================
# A. dev 模式：用 tmux/systemd 起 vite
# ============================================================
if [ "${1:-dev}" = "dev" ]; then
    log "→ 起 vite dev（端口 5176）"
    cat > /tmp/book-mcp-frontend.service <<EOF
[Unit]
Description=book-mcp frontend dev
After=book-mcp.service

[Service]
Type=simple
WorkingDirectory=$PWD
Environment=NODE_ENV=development
ExecStart=$PWD/node_modules/.bin/vite --config ./config/vite.config.dev.ts
Restart=always
RestartSec=10
User=$USER
StandardOutput=append:/var/log/book-mcp/frontend.log
StandardError=append:/var/log/book-mcp/frontend.error.log

[Install]
WantedBy=multi-user.target
EOF
    sudo mv /tmp/book-mcp-frontend.service /etc/systemd/system/book-mcp-frontend.service
    sudo systemctl daemon-reload
    sudo systemctl enable book-mcp-frontend.service
    sudo systemctl restart book-mcp-frontend.service
    sleep 5
    log "  ✓ vite dev 已起（端口 5176）"

# ============================================================
# B. 生产构建
# ============================================================
else
    log "→ 生产构建"
    npm run build
    log "  ✓ dist/ 已生成"
    log ""
    log "前端 dist 在 $PWD/dist/，nginx 配置示例："
    log "  server { listen 80; root $PWD/dist; location /mcp { proxy_pass http://127.0.0.1:8100; } }"
fi

log ""
log "============================================================"
log "✅ 前端部署完成"
log "  dev URL:   http://127.0.0.1:5176"
log "  生产:      dist/ 目录"
log "  服务管理:  sudo systemctl {start|stop|restart|status} book-mcp-frontend"
log "============================================================"