package fs

import (
	"archive/tar"
	"io/fs"
	"os"
	"time"

	"github.com/pojntfx/stfs/pkg/logging"
)

type FileInfo struct {
	os.FileInfo

	name       string
	size       int64
	mode       fs.FileMode
	modTime    time.Time
	accessTime time.Time
	changeTime time.Time
	gid        int
	uid        int
	isDir      bool

	log logging.StructuredLogger
}

func NewFileInfo(
	name string,
	size int64,
	mode fs.FileMode,
	modTime time.Time,
	accessTime time.Time,
	changeTime time.Time,
	gid int,
	uid int,
	isDir bool,

	log logging.StructuredLogger,
) *FileInfo {
	return &FileInfo{
		name:       name,
		size:       size,
		mode:       mode,
		modTime:    modTime,
		accessTime: accessTime,
		changeTime: changeTime,
		gid:        gid,
		uid:        uid,
		isDir:      isDir,

		log: log,
	}
}

func NewFileInfoFromTarHeader(
	hdr *tar.Header,

	log logging.StructuredLogger,
) *FileInfo {
	return &FileInfo{
		name:       hdr.FileInfo().Name(),
		size:       hdr.FileInfo().Size(),
		mode:       hdr.FileInfo().Mode(),
		modTime:    hdr.FileInfo().ModTime(),
		accessTime: hdr.AccessTime,
		changeTime: hdr.ChangeTime,
		gid:        hdr.Gid,
		uid:        hdr.Uid,
		isDir:      hdr.FileInfo().IsDir(),

		log: log,
	}
}

func (f *FileInfo) Name() string {
	f.log.Trace("FileInfo.Name", map[string]interface{}{
		"name": f.name,
	})

	return f.name
}

func (f *FileInfo) Size() int64 {
	f.log.Trace("FileInfo.Size", map[string]interface{}{
		"name": f.name,
	})

	return f.size
}

func (f *FileInfo) Mode() os.FileMode {
	f.log.Trace("FileInfo.Mode", map[string]interface{}{
		"name": f.name,
	})

	return f.mode
}

func (f *FileInfo) ModTime() time.Time {
	f.log.Trace("FileInfo.ModTime", map[string]interface{}{
		"name": f.name,
	})

	return f.modTime
}

func (f *FileInfo) IsDir() bool {
	f.log.Trace("FileInfo.IsDir", map[string]interface{}{
		"name": f.name,
	})

	return f.isDir
}

func (f *FileInfo) Sys() interface{} {
	f.log.Trace("FileInfo.Sys", map[string]interface{}{
		"name": f.name,
	})

	return NewStat(
		uint32(f.uid),
		uint32(f.gid),
		f.modTime.UnixNano(),
		f.accessTime.UnixNano(),
		f.changeTime.UnixNano(),
	)
}