#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import sys
import json
from template import template

def gen_list(music, ext):
	items = ""
	for track in music:
		track["template"] = "track_preview"
		track["file_size"] = str(os.path.getsize("music/"+track["id"]+".mp3"))
		if "group" in track:
			track["group_text"] = "<span>Part of "+track["group"]+"</span><br/>"
		items += template("", sys.argv[2], ext, track)
	return items

def main():
	meta = {"template": "music_list"}
	ext = "."+sys.argv[2].split(".")[-1]
	with open(sys.argv[1], "r", encoding="utf-8") as file_in:
		music = json.loads(file_in.read())
	output = template(gen_list(music, ext), sys.argv[2], ext, meta)
	with open(sys.argv[2], "w+", encoding="utf-8") as file_out:
		file_out.write(output)

if __name__ == "__main__":
	main()