package rtmp

import (
	"stream_server/rtmp/flv"
	"os"
	"time"
	"path/filepath"
)

func HandleDataLoop(chnk_wrp_ptr *ChunkWrapper) {
	StreamCleanup(chnk_wrp_ptr.params.stream_key, 0)
	base_dir, _ := os.UserHomeDir()
	file_writer, err := flv.NewFLVWriter(base_dir + "/live/" + chnk_wrp_ptr.params.stream_key + "/")
	defer file_writer.Close()
	if err != nil {
		return
	}
	if err = chnk_wrp_ptr.ReadMetadata(file_writer); err != nil {
		return 
	}
	for {
		msg_ptr, err := chnk_wrp_ptr.ReadChunk()
		if err != nil {
			return
		} else if msg_ptr == nil {
			continue
		}
		switch msg_ptr.msg_type {
		case 20:
			return
		case 8, 9:
			if err = file_writer.WriteMediaTag(&(msg_ptr.data), msg_ptr.timestamp, msg_ptr.msg_type); err != nil {
				return
			}
		}
	}
}

func StreamCleanup(stream_key string, delay time.Duration) {
	time.Sleep(delay * time.Second)
	base_dir, _ := os.UserHomeDir()
	stream_dir := base_dir + "/live/" + stream_key

	leftover_files, _ := filepath.Glob(stream_dir + "/*")
	for _, file := range leftover_files {
		os.Remove(file)
	}

}