// internal/handlers/vfs_driver/vfs_bookmark.go

package vfsdriver

import (
	"context"
	"encoding/json"
	"fmt"
	"net/http"

	api "git.zzyxyz.com/zzy/zzyxyz_go_api/gen/bookmarks_client"
	"git.zzyxyz.com/zzy/zzyxyz_go_api/internal/vfs/models"
	vfs_service "git.zzyxyz.com/zzy/zzyxyz_go_api/internal/vfs/services"
)

type VfsBookMarkService struct {
	client *api.ClientWithResponses
	token  string
}

func NewVfsBookMarkService(serverURL string) (*vfs_service.ProxyEntry, error) {
	client, err := api.NewClientWithResponses(serverURL)
	if err != nil {
		return nil, err
	}

	ret := vfs_service.ProxyEntry{
		Name:     "bookmark",
		MatchExt: "bk",
		Proxy: &VfsBookMarkService{
			client: client,
			token:  "random_token",
		},
	}
	return &ret, nil
}

// Create implements ServiceProxy.
func (v *VfsBookMarkService) Create(servicePath string, node *models.VfsNode, data []byte) ([]byte, error) {
	ctx := context.Background()

	// 解析传入的数据为 BookmarkRequest
	var req api.BookmarkRequest
	if err := json.Unmarshal(data, &req); err != nil {
		return nil, err
	}

	// 调用 bookmark 服务创建书签
	resp, err := v.client.CreateBookmarkWithResponse(ctx, int64(node.ID), req, func(ctx context.Context, req *http.Request) error {
		req.Header.Set("X-BookMark-Token", v.token)
		return nil
	})
	if err != nil {
		return nil, err
	}

	// 处理响应
	if resp.JSON201 != nil {
		data, err := json.Marshal(resp.JSON201)
		if err != nil {
			return nil, fmt.Errorf("marshal response error: %w", err)
		}
		return data, nil
	}

	// 处理错误情况
	if resp.JSON400 != nil {
		return nil, fmt.Errorf("bad request: %s", resp.JSON400.Message)
	}

	if resp.JSON500 != nil {
		return nil, fmt.Errorf("server error: %s", resp.JSON500.Message)
	}

	return nil, fmt.Errorf("unknown error: %s %s", resp.HTTPResponse.Status, resp.Body)
}

// Delete implements ServiceProxy.
func (v *VfsBookMarkService) Delete(servicePath string, node *models.VfsNode) error {
	ctx := context.Background()

	// 调用 bookmark 服务删除书签
	resp, err := v.client.DeleteBookmarkWithResponse(ctx, int64(node.ID), func(ctx context.Context, req *http.Request) error {
		req.Header.Set("X-BookMark-Token", v.token)
		return nil
	})
	if err != nil {
		return err
	}

	// 处理响应
	if resp.StatusCode() == 204 {
		return nil
	}

	// 处理错误情况
	if resp.JSON404 != nil {
		return fmt.Errorf("not found: %s", resp.JSON404.Message)
	}

	if resp.JSON500 != nil {
		return fmt.Errorf("server error: %s", resp.JSON500.Message)
	}

	return fmt.Errorf("unknown error")
}

// Get implements ServiceProxy.
func (v *VfsBookMarkService) Get(servicePath string, node *models.VfsNode) ([]byte, error) {
	ctx := context.Background()

	// 调用 bookmark 服务获取书签
	resp, err := v.client.GetBookmarkWithResponse(ctx, int64(node.ID), func(ctx context.Context, req *http.Request) error {
		req.Header.Set("X-BookMark-Token", v.token)
		return nil
	})
	if err != nil {
		return nil, err
	}

	// 处理响应
	if resp.JSON200 != nil {
		data, err := json.Marshal(resp.JSON200)
		if err != nil {
			return nil, fmt.Errorf("marshal response error: %w", err)
		}
		return data, nil
	}

	// 处理错误情况
	if resp.JSON404 != nil {
		return nil, fmt.Errorf("not found: %s", resp.JSON404.Message)
	}

	return nil, fmt.Errorf("unknown error")
}

// Update implements ServiceProxy.
func (v *VfsBookMarkService) Update(servicePath string, node *models.VfsNode, data []byte) error {
	ctx := context.Background()

	// 解析传入的数据为 BookmarkRequest
	var req api.BookmarkRequest
	if err := json.Unmarshal(data, &req); err != nil {
		return err
	}

	// 调用 bookmark 服务更新书签
	resp, err := v.client.UpdateBookmarkWithResponse(ctx, int64(node.ID), req, func(ctx context.Context, req *http.Request) error {
		req.Header.Set("X-BookMark-Token", v.token)
		return nil
	})
	if err != nil {
		return err
	}

	// 处理响应
	if resp.JSON200 != nil {
		return nil
	}

	// 处理错误情况
	if resp.JSON400 != nil {
		return fmt.Errorf("bad request: %s", resp.JSON400.Message)
	}

	if resp.JSON404 != nil {
		return fmt.Errorf("not found: %s", resp.JSON404.Message)
	}

	if resp.JSON500 != nil {
		return fmt.Errorf("server error: %s", resp.JSON500.Message)
	}

	return fmt.Errorf("unknown error")
}

// GetName implements ServiceProxy.
func (v *VfsBookMarkService) GetName() string {
	return "bookmark"
}

var _ vfs_service.ServiceProxy = (*VfsBookMarkService)(nil)