package maker

import (
	"context"
	"fmt"
	"os"
	"path/filepath"

	"yizhisec.com/hsv2/forge/pkg/downloader"
	"yizhisec.com/hsv2/forge/pkg/logger"
	"yizhisec.com/hsv2/forge/pkg/model"
)

func (m *maker) Longhorn(ctx context.Context, replica int) error {
	const (
		valuesContent = `# 设置 Longhorn 数据存储路径
defaultSettings:
  defaultDataPath: "/data/longhorn"
# 设置默认副本数
persistence:
  reclaimPolicy: Retain
  defaultClassReplicaCount: %d 
`
	)

	var (
		err        error
		chartURL   = "https://artifactory.yizhisec.com:443/artifactory/filestore/hsv3/charts/longhorn-1.10.0.tgz"
		location   = filepath.Join(m.workdir, "dependency", "longhorn")
		chartFile  = filepath.Join(location, "longhorn-1.10.0.tgz")
		valuesFile = filepath.Join(location, "values.yaml")
	)

	logger.Info("☑️ 开始准备 Longhorn 资源...")
	logger.Debug("下载地址: %s", chartURL)
	logger.Debug("目标目录: %s", location)

	if err = os.MkdirAll(filepath.Join(m.workdir, "dependency", "longhorn"), 0755); err != nil {
		return err
	}

	// Download the chart file
	if err = downloader.Download(
		ctx,
		chartURL,
		chartFile,
		downloader.WithInsecureSkipVerify(),
	); err != nil {
		logger.Info("❌ 下载 Longhorn chart 失败")
		return err
	}

	// Create values.yaml file
	bs := []byte(fmt.Sprintf(valuesContent, replica))
	if err := os.WriteFile(valuesFile, bs, 0644); err != nil {
		logger.Debug("创建 values.yaml 失败: %v", err)
		logger.Info("❌ 创建 values.yaml 失败")
		return err
	}

	var images = []*model.Image{
		{Name: "docker.io/longhornio/longhorn-engine:v1.10.0", Fallback: "docker-mirror.yizhisec.com/longhornio/longhorn-engine:v1.10.0", Save: "longhorn.longhorn-engine.tar"},
		{Name: "docker.io/longhornio/longhorn-manager:v1.10.0", Fallback: "docker-mirror.yizhisec.com/longhornio/longhorn-manager:v1.10.0", Save: "longhorn.longhorn-manager.tar"},
		{Name: "docker.io/longhornio/longhorn-instance-manager:v1.10.0", Fallback: "docker-mirror.yizhisec.com/longhornio/longhorn-instance-manager:v1.10.0", Save: "longhorn.longhorn-instance-manager.tar"},
		{Name: "docker.io/longhornio/longhorn-share-manager:v1.10.0", Fallback: "docker-mirror.yizhisec.com/longhornio/longhorn-share-manager:v1.10.0", Save: "longhorn.longhorn-share-manager.tar"},
		{Name: "docker.io/longhornio/longhorn-ui:v1.10.0", Fallback: "docker-mirror.yizhisec.com/longhornio/longhorn-ui:v1.10.0", Save: "longhorn.longhorn-ui.tar"},
		{Name: "docker.io/longhornio/csi-snapshotter:v8.3.0-20250826", Fallback: "docker-mirror.yizhisec.com/longhornio/csi-snapshotter:v8.3.0-20250826", Save: "longhorn.csi-snapshotter.tar"},
		{Name: "docker.io/longhornio/csi-resizer:v1.14.0-20250826", Fallback: "docker-mirror.yizhisec.com/longhornio/csi-resizer:v1.14.0-20250826", Save: "longhorn.csi-resizer.tar"},
		{Name: "docker.io/longhornio/csi-provisioner:v5.3.0-20250826", Fallback: "docker-mirror.yizhisec.com/longhornio/csi-provisioner:v5.3.0-20250826", Save: "longhorn.csi-provisioner.tar"},
		{Name: "docker.io/longhornio/livenessprobe:v2.16.0-20250826", Fallback: "docker-mirror.yizhisec.com/longhornio/livenessprobe:v2.16.0-20250826", Save: "longhorn.livenessprobe.tar"},
		{Name: "docker.io/longhornio/csi-node-driver-registrar:v2.14.0-20250826", Fallback: "docker-mirror.yizhisec.com/longhornio/csi-node-driver-registrar:v2.14.0-20250826", Save: "longhorn.csi-node-driver-registrar.tar"},
		{Name: "docker.io/longhornio/csi-attacher:v4.9.0-20250826", Fallback: "docker-mirror.yizhisec.com/longhornio/csi-attacher:v4.9.0-20250826", Save: "longhorn.csi-attacher.tar"},
	}

	logger.Debug("MakeLonghorn: 开始获取镜像...")
	for _, image := range images {
		opts := []ImageOpt{
			WithImageFallback(image.Fallback),
			WithImageSave(filepath.Join(location, image.Save)),
			WithImageForcePull(image.Force),
		}

		if err := m.Image(ctx, image.Name, opts...); err != nil {
			logger.Error("❌ MakeLonghorn: 获取镜像失败: %s, 可以手动获取后重试", image.Name)
			logger.Debug("❌ MakeLonghorn: 获取镜像失败: %s, %v", image.Name, err)
			return err
		}
	}
	logger.Debug("MakeLonghorn: 获取镜像成功!!!")

	logger.Info("✅ 成功创建 longhorn 资源!!!")

	return nil
}