from glob import glob
import urllib.parse
import pandas as pd

import json
import os

import datasets

_CITATION = """\
@InProceedings{huggingface:dataset,
title = {Code Commits for Instruction Tuning},
author={BigCode},
year={2023}
}
"""

_DESCRIPTION = """\
Code Commits for Instruction Tuning
"""

_HOMEPAGE = ""

_LICENSE = ""

languages = ['svg',
             'ocaml',
             'scheme',
             'modelica',
             'xpages',
             'qmake',
             'ada',
             'pike',
             'pod',
             'bro',
             'edn',
             'html+django',
             'groff',
             'pascal',
             'nsis',
             'applescript',
             'ceylon',
             'haml',
             'augeas',
             'toml',
             'c++',
             'pony',
             'lean',
             'supercollider',
             'moonscript',
             'gas',
             'zig',
             'vcl',
             'tex',
             'html+erb',
             'robotframework',
             'unrealscript',
             'go',
             'racket',
             'apl',
             'lolcode',
             'nix',
             'nu',
             'zephir',
             'textile',
             'inno-setup',
             'hy',
             'turtle',
             'systemverilog',
             'mako',
             'sparql',
             'gnuplot',
             'yang',
             'unity3d-asset',
             'qml',
             'cmake',
             'gdscript',
             'xquery',
             'python',
             'css',
             'metal',
             'flux',
             'clojure',
             'less',
             'lfe',
             'cartocss',
             'asp',
             'elixir',
             'smt',
             'processing',
             'awk',
             'antlr',
             'chapel',
             'igor-pro',
             'literate-agda',
             'literate-coffeescript',
             'dockerfile',
             'dart',
             'makefile',
             'org',
             'shell',
             'objective-c++',
             'linker-script',
             'markdown',
             'haxe',
             'mtml',
             'assembly',
             'jupyter-notebook',
             'cuda',
             'scss',
             'graphviz-dot',
             'perl',
             'typescript',
             'smalltalk',
             'c#',
             'dylan',
             'pawn',
             'stylus',
             'vue',
             'rust',
             'freemarker',
             'viml',
             'cucumber',
             'maple',
             'purescript',
             'io',
             'pure-data',
             'api-blueprint',
             'erlang',
             'batchfile',
             'llvm',
             'protocol-buffer',
             'r',
             'logtalk',
             'lsl',
             'liquid',
             'eagle',
             'literate-haskell',
             'xproc',
             'cython',
             'logos',
             'mathematica',
             'openscad',
             'java',
             'bluespec',
             'desktop',
             'diff',
             'jsoniq',
             'elm',
             'html',
             'abap',
             'kotlin',
             'crystal',
             'gentoo-ebuild',
             'aspectj',
             'renpy',
             'sqf',
             'webidl',
             'smarty',
             'nimrod',
             'xtend',
             'ragel-in-ruby-host',
             'haskell',
             'factor',
             'php',
             'coldfusion-cfc',
             'visual-basic',
             'ooc',
             'netlinx',
             'xs',
             'lua',
             'nesc',
             'xml',
             'latte',
             'ninja',
             'html+eex',
             'solidity',
             'thrift',
             'glsl',
             'html+php',
             'red',
             'powershell',
             'arduino',
             'opencl',
             'jasmin',
             'harbour',
             'urweb',
             'dns-zone',
             'clean',
             'vhdl',
             'slash',
             'tcl',
             'pov-ray-sdl',
             'inform-7',
             'mask',
             'ini',
             'perl6',
             'json',
             'brainfuck',
             'lilypond',
             'purebasic',
             'xbase',
             'autohotkey',
             'saltstack',
             'module-management-system',
             'asciidoc',
             'handlebars',
             'nginx',
             'scala',
             'http',
             'hcl',
             'vala',
             'swift',
             'graphql',
             'csv',
             'parrot-assembly',
             'sas',
             'postscript',
             'mirah',
             'ioke',
             'tcsh',
             'dm',
             'mupad',
             'json5',
             'livescript',
             'emberscript',
             'piglatin',
             'boo',
             'jflex',
             'uno',
             'agda',
             'volt',
             'gettext-catalog',
             'rebol',
             'm4',
             'fancy',
             'yaml',
             'fortran',
             'g-code',
             'monkey',
             'nit',
             'standard-ml',
             'digital-command-language',
             'krl',
             'julia',
             'oz',
             'sourcepawn',
             'groovy',
             'coffeescript',
             'idris',
             'creole',
             'text',
             'wisp',
             'unknown',
             'raml',
             'slim',
             'xslt',
             'ats',
             'javascript',
             'parrot-internal-representation',
             'csound',
             'yacc',
             'f#',
             'twig',
             'coldfusion',
             'apacheconf',
             'bitbake',
             'arc',
             'jade',
             'rhtml',
             'eiffel',
             'blitzmax',
             'sass',
             'scaml',
             'propeller-spin',
             'hlsl',
             'forth',
             'rdoc',
             'rouge',
             'c',
             'fish',
             'jsonld',
             'scilab',
             'capn-proto',
             'restructuredtext',
             'squirrel',
             'common-lisp',
             'mediawiki',
             'c2hs-haskell',
             'jsx',
             'isabelle',
             'java-server-pages',
             'ecl',
             'ruby',
             'actionscript',
             'pan',
             'sage',
             'emacs-lisp',
             'genshi',
             'groovy-server-pages',
             'ston',
             'stata',
             'sql']

base_url = "https://huggingface.co/datasets/bigcode/commits_ft/resolve/main/data/{lang}.zip"
_URLS = {k: base_url.format(lang=urllib.parse.quote(k)) for k in languages}
VERSION = datasets.Version("1.1.0")


class CommitIT(datasets.GeneratorBasedBuilder):
    BUILDER_CONFIGS = [
        datasets.BuilderConfig(name=lang, version=VERSION,
                               description="This part of dataset covers {lang} language".format(lang=lang))
        for lang in languages
    ]

    DEFAULT_CONFIG_NAME = "python"

    def _info(self):
        features = datasets.Features(
            {
                'commit': datasets.Value("string"),
                'old_file': datasets.Value("string"),
                'new_file': datasets.Value("string"),
                'old_contents': datasets.Value("string"),
                'new_contents': datasets.Value("string"),
                'subject': datasets.Value("string"),
                'message': datasets.Value("string"),
                'lang': datasets.Value("string"),
                'license': datasets.Value("string"),
                'repos': datasets.Value("string")
            }
        )
        return datasets.DatasetInfo(
            description=_DESCRIPTION,
            features=features,
            homepage=_HOMEPAGE,
            license=_LICENSE,
            citation=_CITATION,
        )

    def _split_generators(self, dl_manager):
        urls = _URLS[self.config.name]
        data_dir = dl_manager.download_and_extract(urls)
        # print(glob(f"{data_dir}/*"))
        return [
            datasets.SplitGenerator(
                name=datasets.Split.TRAIN,
                gen_kwargs={
                    "filepath": os.path.join(data_dir, f"{self.config.name}/data.json"),
                    "split": "train",
                },
            )
        ]

    def _generate_examples(self, filepath, split):
        with open(filepath, encoding="utf-8") as f:
            for key, row in enumerate(f):
                data = json.loads(row)
                # Yields examples as (key, example) tuples
                yield key, {
                    'commit': data["commit"],
                    'old_file': data["old_file"],
                    'new_file': data["new_file"],
                    'old_contents': data["old_contents"],
                    'new_contents': data["new_contents"],
                    'subject': data["subject"],
                    'message': data["message"],
                    'lang': data["lang"],
                    'license': data["license"],
                    'repos': data["repos"]
                }