#!/bin/bash
set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"

echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🚀 Nginx测试应用 - 自动化部署"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

# 检查依赖
echo "🔍 检查依赖..."
command -v kubectl >/dev/null 2>&1 || { echo "❌ kubectl未安装"; exit 1; }
command -v yq >/dev/null 2>&1 || { echo "❌ yq未安装"; exit 1; }
echo "✅ 依赖检查通过"
echo ""

# 检查kubectl连接
echo "🔍 检查K3s集群连接..."
if ! kubectl cluster-info >/dev/null 2>&1; then
    echo "❌ 无法连接到K3s集群"
    echo "💡 请确保已配置kubectl访问权限"
    exit 1
fi
echo "✅ K3s集群连接正常"
echo ""

# 检查Gitea是否运行
echo "🔍 检查Gitea服务..."
if ! kubectl get svc gitea-http -n gitea >/dev/null 2>&1; then
    echo "❌ Gitea服务未运行"
    echo "💡 请先运行: ./scripts/deploy-gitea.sh"
    exit 1
fi
echo "✅ Gitea服务运行正常"
echo ""

# 检查ArgoCD是否运行
echo "🔍 检查ArgoCD服务..."
if ! kubectl get namespace argocd >/dev/null 2>&1; then
    echo "❌ ArgoCD未安装"
    echo "💡 请先运行: ./scripts/deploy-argocd.sh"
    exit 1
fi
echo "✅ ArgoCD服务运行正常"
echo ""

# 步骤1: 创建Gitea仓库
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "📦 步骤 1/3: 创建Gitea仓库"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

# 读取配置
CONFIG_FILE="$PROJECT_DIR/config/cluster-vars.yml"
GITEA_USER=$(yq eval '.gitea_user_name' "$CONFIG_FILE")
GITEA_PASSWORD=$(yq eval '.gitea_user_password' "$CONFIG_FILE")
GITEA_ORG=$(yq eval '.gitea_org_name' "$CONFIG_FILE")
NGINX_REPO=$(yq eval '.nginx_app_repo_name' "$CONFIG_FILE")

# 获取Gitea访问地址
GITEA_NODEPORT=$(kubectl get svc gitea-http -n gitea -o jsonpath='{.spec.ports[0].nodePort}')
NODE_IP=$(kubectl get nodes -o jsonpath='{.items[0].status.addresses[?(@.type=="ExternalIP")].address}')
if [ -z "$NODE_IP" ]; then
    NODE_IP=$(kubectl get nodes -o jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}')
fi
GITEA_URL="http://$NODE_IP:$GITEA_NODEPORT"

# 检查仓库是否已存在
echo "🔍 检查仓库是否存在..."
REPO_EXISTS=$(curl -s -o /dev/null -w "%{http_code}" \
    -u "$GITEA_USER:$GITEA_PASSWORD" \
    "$GITEA_URL/api/v1/repos/$GITEA_ORG/$NGINX_REPO")

if [ "$REPO_EXISTS" = "200" ]; then
    echo "⚠️  仓库已存在: $GITEA_ORG/$NGINX_REPO"
    echo ""
    read -p "是否删除并重新创建？(y/N): " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        echo "🗑️  删除现有仓库..."
        curl -s -X DELETE \
            -u "$GITEA_USER:$GITEA_PASSWORD" \
            "$GITEA_URL/api/v1/repos/$GITEA_ORG/$NGINX_REPO"
        echo "✅ 仓库已删除"
    else
        echo "⏭️  跳过仓库创建"
        SKIP_PUSH=true
    fi
fi

if [ "$SKIP_PUSH" != "true" ]; then
    echo "📝 创建新仓库..."
    curl -s -X POST \
        -u "$GITEA_USER:$GITEA_PASSWORD" \
        -H "Content-Type: application/json" \
        -d "{\"name\":\"$NGINX_REPO\",\"description\":\"Nginx test application for GitOps demo\",\"private\":false,\"auto_init\":false}" \
        "$GITEA_URL/api/v1/org/$GITEA_ORG/repos" > /dev/null
    echo "✅ 仓库创建成功: $GITEA_ORG/$NGINX_REPO"
fi

echo ""

# 步骤2: 推送应用到Gitea
if [ "$SKIP_PUSH" != "true" ]; then
    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
    echo "📤 步骤 2/3: 推送应用到Gitea"
    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
    echo ""
    "$SCRIPT_DIR/push-nginx-app.sh"
    echo ""
else
    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
    echo "⏭️  步骤 2/3: 跳过推送（仓库已存在）"
    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
    echo ""
fi

# 步骤3: 创建ArgoCD Application
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🎯 步骤 3/3: 创建ArgoCD Application"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

# 检查Application是否已存在
if kubectl get application nginx-app -n argocd >/dev/null 2>&1; then
    echo "⚠️  ArgoCD Application已存在"
    echo ""
    read -p "是否删除并重新创建？(y/N): " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        echo "🗑️  删除现有Application..."
        kubectl delete application nginx-app -n argocd
        echo "✅ Application已删除"
        sleep 2
    else
        echo "⏭️  跳过Application创建"
        SKIP_ARGOCD=true
    fi
fi

if [ "$SKIP_ARGOCD" != "true" ]; then
    "$SCRIPT_DIR/create-nginx-argocd-app.sh"
fi

echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🎉 Nginx测试应用部署完成！"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "📊 部署信息:"
echo "   - 应用名称: nginx-test"
echo "   - 命名空间: default"
echo "   - 域名: https://ng.jpc.net3w.com"
echo "   - Git仓库: $GITEA_URL/$GITEA_ORG/$NGINX_REPO"
echo ""
echo "🔍 验证命令:"
echo "   # 查看Pod状态"
echo "   kubectl get pods -l app=nginx-test -n default"
echo ""
echo "   # 查看Service"
echo "   kubectl get svc nginx-test -n default"
echo ""
echo "   # 查看Ingress"
echo "   kubectl get ingress nginx-test -n default"
echo ""
echo "   # 查看ArgoCD Application"
echo "   kubectl get application nginx-app -n argocd"
echo ""
echo "🌐 访问地址:"
echo "   - 应用: https://ng.jpc.net3w.com"
echo "   - ArgoCD: https://argocd.jpc.net3w.com"
echo "   - Gitea: $GITEA_URL/$GITEA_ORG/$NGINX_REPO"
echo ""
echo "💡 更新应用:"
echo "   1. SSH到master节点"
echo "   2. cd /home/fei/k3s/nginx-app"
echo "   3. ./update-app.sh v2.0"
echo "   4. 等待ArgoCD自动同步（约3分钟）"
echo ""
echo "📝 注意事项:"
echo "   - 确保DNS已配置: ng.jpc.net3w.com -> $NODE_IP"
echo "   - 首次HTTPS访问需等待证书签发（1-2分钟）"
echo "   - ArgoCD每3分钟检查一次Git仓库更新"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"