import torch
import os
from . import utils

DOWNLOAD_CKPT_URLS = {
    'EN': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/EN/checkpoint.pth',
    'EN_V2': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/EN_V2/checkpoint.pth',
    'FR': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/FR/checkpoint.pth',
    'JP': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/JP/checkpoint.pth',
    'ES': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/ES/checkpoint.pth',
    'ZH': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/ZH/checkpoint.pth',
    'KR': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/KR/checkpoint.pth',
}

DOWNLOAD_CONFIG_URLS = {
    'EN': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/EN/config.json',
    'EN_V2': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/EN_V2/config.json',
    'FR': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/FR/config.json',
    'JP': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/JP/config.json',
    'ES': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/ES/config.json',
    'ZH': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/ZH/config.json',
    'KR': 'https://myshell-public-repo-host.s3.amazonaws.com/openvoice/basespeakers/KR/config.json',
}

def load_or_download_config(locale):
    language = locale.split('-')[0].upper()
    assert language in DOWNLOAD_CONFIG_URLS
    config_path = os.path.expanduser(f'~/.local/share/openvoice/basespeakers/{language}/config.json')
    try:
        return utils.get_hparams_from_file(config_path)
    except:
        # download
        os.makedirs(os.path.dirname(config_path), exist_ok=True)
        os.system(f'wget {DOWNLOAD_CONFIG_URLS[language]} -O {config_path}')
    return utils.get_hparams_from_file(config_path)

def load_or_download_model(locale, device):
    language = locale.split('-')[0].upper()
    assert language in DOWNLOAD_CKPT_URLS
    ckpt_path = os.path.expanduser(f'~/.local/share/openvoice/basespeakers/{language}/checkpoint.pth')
    try:
        return torch.load(ckpt_path, map_location=device)
    except:
        # download
        os.makedirs(os.path.dirname(ckpt_path), exist_ok=True)
        os.system(f'wget {DOWNLOAD_CKPT_URLS[language]} -O {ckpt_path}')
    return torch.load(ckpt_path, map_location=device)