package admin

import (
	"context"

	adminv1 "service.xpcool.com/api/admin/v1"
	"service.xpcool.com/internal/service"
)

// LogFiles lists the server log files.
func (c *Controller) LogFiles(ctx context.Context, req *adminv1.LogFilesReq) (res *adminv1.LogFilesRes, err error) {
	dir, files, err := service.LogManage().Files(ctx)
	if err != nil {
		return nil, err
	}
	list := make([]*adminv1.LogFile, 0, len(files))
	for _, f := range files {
		list = append(list, &adminv1.LogFile{Name: f.Name, Path: f.Path, Size: f.Size, ModTime: f.ModTime})
	}
	return &adminv1.LogFilesRes{Dir: dir, Files: list}, nil
}

// LogTail reads the tail of a log file with optional keyword filter.
func (c *Controller) LogTail(ctx context.Context, req *adminv1.LogTailReq) (res *adminv1.LogTailRes, err error) {
	lines, err := service.LogManage().Tail(ctx, req.File, req.Lines, req.Keyword)
	if err != nil {
		return nil, err
	}
	return &adminv1.LogTailRes{Lines: lines}, nil
}