# coding=utf-8
import jieba
import torch


def jieba_tokenize(str):
    return jieba.lcut(str)


_UCODE_RANGES = (
    ("\u3400", "\u4db5"),  # CJK Unified Ideographs Extension A, release 3.0
    ("\u4e00", "\u9fa5"),  # CJK Unified Ideographs, release 1.1
    ("\u9fa6", "\u9fbb"),  # CJK Unified Ideographs, release 4.1
    ("\uf900", "\ufa2d"),  # CJK Compatibility Ideographs, release 1.1
    ("\ufa30", "\ufa6a"),  # CJK Compatibility Ideographs, release 3.2
    ("\ufa70", "\ufad9"),  # CJK Compatibility Ideographs, release 4.1
    ("\u20000", "\u2a6d6"),  # (UTF16) CJK Unified Ideographs Extension B, release 3.1
    ("\u2f800", "\u2fa1d"),  # (UTF16) CJK Compatibility Supplement, release 3.1
    ("\uff00", "\uffef"),  # Full width ASCII, full width of English punctuation,
    # half width Katakana, half wide half width kana, Korean alphabet
    ("\u2e80", "\u2eff"),  # CJK Radicals Supplement
    ("\u3000", "\u303f"),  # CJK punctuation mark
    ("\u31c0", "\u31ef"),  # CJK stroke
    ("\u2f00", "\u2fdf"),  # Kangxi Radicals
    ("\u2ff0", "\u2fff"),  # Chinese character structure
    ("\u3100", "\u312f"),  # Phonetic symbols
    ("\u31a0", "\u31bf"),  # Phonetic symbols (Taiwanese and Hakka expansion)
    ("\ufe10", "\ufe1f"),
    ("\ufe30", "\ufe4f"),
    ("\u2600", "\u26ff"),
    ("\u2700", "\u27bf"),
    ("\u3200", "\u32ff"),
    ("\u3300", "\u33ff"),
)


def is_chinese_char(uchar):
    for start, end in _UCODE_RANGES:
        if start <= uchar <= end:
            return True
    return False


def chinese_char_tokenize(line):
    line = line.strip()
    line_in_chars = ""

    for char in line:
        if is_chinese_char(char):
            line_in_chars += " "
            line_in_chars += char
            line_in_chars += " "
        else:
            line_in_chars += char

    return line_in_chars

# s = '中国的首都是哪里？1，2，3d回答'
# print(chinese_char_tokenize(s))


def report_memory(name):
    """Simple GPU memory report."""
    mega_bytes = 1024.0 * 1024.0
    string = name + ' memory (MB)'
    string += ' | allocated: {}'.format(
        torch.cuda.memory_allocated() / mega_bytes)
    string += ' | max allocated: {}'.format(
        torch.cuda.max_memory_allocated() / mega_bytes)
    string += ' | reserved: {}'.format(
        torch.cuda.memory_reserved() / mega_bytes)
    string += ' | max reserved: {}'.format(
        torch.cuda.max_memory_reserved() / mega_bytes)
    print(string)