from musicutil.utils.load_tag_information import load_tag_information
from musicutil.utils.scan_for_music import scan_for_music

from functools import reduce

class StatsArgs():
    src: str

def add_stats_command(subparsers):
    stats_parser = subparsers.add_parser('stats')
    stats_parser.add_argument(
        'src',
        type=str,
        help='src base music directory')

def get_stats_args(args) -> StatsArgs:
    command_args = StatsArgs()
    command_args.src = args.src
    return command_args

class StatsCommand():
    def __init__(self, args: StatsArgs):
        self.args = args
    
    def run(self):
        print("Generating HTML...")
        print("Scanning For Music...")
        files = scan_for_music(self.args.src)
        print("Loading Tag Information")
        for file in files:
            tags = load_tag_information(file)
            file.tags = tags


        # So far we only support MP3 and Flac so only have these
        mp3_files_count = len([True for file in files if file.extension == "mp3"])
        flac_files_count = len([True for file in files if file.extension == "flac"])

        lossy_files_count = mp3_files_count
        lossless_files_count = flac_files_count
        total_files_count = lossy_files_count + lossless_files_count

        lossy_percent = (lossy_files_count/total_files_count)
        lossless_percent = (lossless_files_count/total_files_count)

        print("Stats:")
        print(f"  Total Files: {total_files_count}")
        print(f"  Lossy#: {lossy_files_count}/{total_files_count}")
        print(f"  Lossless#: {lossless_files_count}/{total_files_count}")
        print(f"  Lossy%: {lossy_percent:.2%}")
        print(f"  Lossless%: {lossless_percent:.2%}")