package milk

import (
	"bytes"
	"encoding/json"
	"io"
	"kpt-pasture/config"
	"kpt-pasture/model"
	"net/http"
	"os"
	"path/filepath"
	"strings"
	"sync"
	"time"

	"gitee.com/xuyiping_admin/pkg/logger/zaplog"
	"go.uber.org/zap"
)

type FindDataService struct {
	fileCache sync.Map // 用于存储文件信息
	cfg       config.MilkHallSetting
}

// FileInfo 存储文件信息
type FileInfo struct {
	ModTime time.Time
	Size    int64
}

func NewMilkDataService(cfg config.MilkHallSetting) *FindDataService {
	return &FindDataService{
		cfg: cfg,
	}
}

// ReadFiles 读取指定路径下的所有文件
func (s *FindDataService) ReadFiles() ([]string, error) {
	var files []string
	for _, path := range s.cfg.FilePath {
		fullPath := filepath.Join(s.cfg.BasePath, path)
		if err := filepath.Walk(fullPath, func(path string, info os.FileInfo, err error) error {
			if err != nil {
				return err
			}
			if !info.IsDir() {
				files = append(files, path)
			}
			return nil
		}); err != nil {
			return files, err
		}
	}

	return files, nil
}

func (s *FindDataService) Run(fileList []string) {
	ticker := time.NewTicker(30 * time.Second) // 增加间隔到30秒
	defer ticker.Stop()

	// 创建退出通道
	done := make(chan struct{})
	defer close(done)

	for {
		select {
		case <-ticker.C:
			for _, file := range fileList {
				// 检查文件是否存在
				info, err := os.Stat(file)
				if err != nil {
					continue
				}

				// 检查文件大小，如果超过10MB则跳过
				/*if info.Size() > 10*1024*1024 {
					continue
				}*/

				// 检查文件是否被修改
				if cachedInfo, ok := s.fileCache.Load(file); ok {
					if cachedInfo.(FileInfo).ModTime.Equal(info.ModTime()) {
						continue // 文件未修改，跳过
					}
				}

				if len(info.Name()) < 30 || strings.Index(info.Name(), "done.") < 0 || strings.Index(info.Name(), "Parlor.json") < 0 {
					continue
				}
				// 读取文件内容
				content, err := os.ReadFile(file)
				if err != nil {
					continue
				}

				// 更新文件缓存
				s.fileCache.Store(file, FileInfo{
					ModTime: info.ModTime(),
					Size:    info.Size(),
				})

				s.HandleFileContent(content)
			}
		case <-done:
			return
		}
	}
}

func (s *FindDataService) HandleFileContent(contentBody []byte) {
	requestBody := model.MilkHallBody{
		Brand:   s.cfg.Brand,
		FarmId:  s.cfg.FarmId,
		Content: contentBody,
	}
	// 将内容转换为 JSON 字节
	jsonData, err := json.Marshal(requestBody)
	if err != nil {
		zaplog.Error("HandleFileContent", zap.Any("error", err))
		return
	}

	// 创建 HTTP 请求
	req, err := http.NewRequest("POST", strings.Join([]string{s.cfg.BackPath, s.cfg.UrlPath}, ""), bytes.NewBuffer(jsonData))
	if err != nil {
		zaplog.Error("HandleFileContent", zap.Any("error", err))
		return
	}

	// 设置请求头
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Authorization", "Bearer your-token") // 如果需要认证，替换为实际的 token

	// 创建 HTTP 客户端
	client := &http.Client{
		Timeout: 10 * time.Second,
	}

	// 发送请求
	resp, err := client.Do(req)
	if err != nil {
		zaplog.Error("HandleFileContent", zap.Any("error", err))
		return
	}
	defer resp.Body.Close()

	// 读取响应
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		zaplog.Error("HandleFileContent", zap.Any("error", err))
		return
	}

	// 检查响应状态码
	if resp.StatusCode != http.StatusOK {
		zaplog.Error("HandleFileContent", zap.Any("error", err))
		return
	}
	zaplog.Info("HandleFileContent", zap.Any("请求成功，响应内容:", string(body)))
}