#!/bin/bash
# Rails 8.1 应用部署脚本（使用containerd）

set -e

echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🚀 Rails 8.1 应用GitOps部署"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

# 配置
GITEA_URL="http://git.jpd.net3w.com"
GITEA_USER="gitea_admin"
GITEA_PASSWORD="GitAdmin@2026"
REPO_NAME="rails-app"
APP_DIR="/home/fei/opk3s/app-project/001-rails8"
SSH_PASS="1"

cd "$APP_DIR"

echo "📝 步骤 1/5: 初始化Git仓库"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

if [ ! -d .git ]; then
    git init
    git config user.name "Admin"
    git config user.email "admin@jpd.net3w.com"
    echo "✅ Git仓库初始化完成"
else
    echo "✅ Git仓库已存在"
fi
echo ""

echo "📝 步骤 2/5: 在Gitea创建仓库"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

curl -X POST "${GITEA_URL}/api/v1/user/repos" \
    -u "${GITEA_USER}:${GITEA_PASSWORD}" \
    -H "Content-Type: application/json" \
    -d "{
        \"name\": \"${REPO_NAME}\",
        \"description\": \"Rails 8.1 + SQLite Application\",
        \"private\": false,
        \"auto_init\": false
    }" 2>/dev/null && echo "✅ Gitea仓库创建成功" || echo "✅ 仓库已存在"
echo ""

echo "📝 步骤 3/5: 推送代码到Gitea"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

git remote remove origin 2>/dev/null || true
git remote add origin "http://${GITEA_USER}:${GITEA_PASSWORD}@git.jpd.net3w.com/${GITEA_USER}/${REPO_NAME}.git"

git add .
git commit -m "Rails 8.1 + SQLite app - $(date '+%Y-%m-%d %H:%M:%S')" || echo "没有新的更改"
git branch -M main
git push -u origin main --force

echo "✅ 代码已推送到Gitea"
echo ""

echo "📝 步骤 4/5: 部署到K3s集群"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

# 上传K8s配置文件
sshpass -p "$SSH_PASS" ssh fei@149.13.91.216 "mkdir -p /tmp/rails-app-k8s"
sshpass -p "$SSH_PASS" scp -r k8s/* fei@149.13.91.216:/tmp/rails-app-k8s/

# 部署到K3s
sshpass -p "$SSH_PASS" ssh fei@149.13.91.216 "export KUBECONFIG=/etc/rancher/k3s/k3s.yaml && \
    kubectl create namespace rails-app --dry-run=client -o yaml | kubectl apply -f - && \
    kubectl apply -f /tmp/rails-app-k8s/"

echo "✅ 应用已部署到K3s"
echo ""

echo "📝 步骤 5/5: 配置ArgoCD自动同步"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

sshpass -p "$SSH_PASS" ssh fei@149.13.91.216 "export KUBECONFIG=/etc/rancher/k3s/k3s.yaml && \
    kubectl apply -f - <<'EOF'
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: rails-app
  namespace: argocd
spec:
  project: default
  source:
    repoURL: http://gitea-http.gitea.svc.cluster.local:3000/${GITEA_USER}/${REPO_NAME}.git
    targetRevision: main
    path: k8s
  destination:
    server: https://kubernetes.default.svc
    namespace: rails-app
  syncPolicy:
    automated:
      prune: true
      selfHeal: true
      allowEmpty: false
    syncOptions:
    - CreateNamespace=true
EOF
"

echo "✅ ArgoCD自动同步已配置"
echo ""

# 检查Pod状态
echo "🔍 检查Pod状态..."
sshpass -p "$SSH_PASS" ssh fei@149.13.91.216 "export KUBECONFIG=/etc/rancher/k3s/k3s.yaml && \
    kubectl get pods -n rails-app"

echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🎉 部署完成！"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "📊 访问信息:"
echo "  应用地址: http://r1.jpd.net3w.com"
echo "  HTTPS: https://r1.jpd.net3w.com"
echo "  Gitea仓库: ${GITEA_URL}/${GITEA_USER}/${REPO_NAME}"
echo "  ArgoCD: http://argocd.jpd.net3w.com"
echo ""
echo "💡 开发流程:"
echo "  1. 本地修改代码"
echo "  2. git add . && git commit -m 'your message'"
echo "  3. git push"
echo "  4. ArgoCD会自动检测并部署（约1-2分钟）"
echo ""
echo "🔍 查看状态:"
echo "  sshpass -p '1' ssh fei@149.13.91.216 'export KUBECONFIG=/etc/rancher/k3s/k3s.yaml && kubectl get pods -n rails-app'"
echo "  sshpass -p '1' ssh fei@149.13.91.216 'export KUBECONFIG=/etc/rancher/k3s/k3s.yaml && kubectl logs -n rails-app -l app=rails-app -f'"
echo ""
echo "📝 注意:"
echo "  由于使用公共镜像ruby:3.3-slim，首次启动可能需要5-10分钟下载镜像"
echo "  Pod会自动创建Rails应用并启动"
echo ""