# All of this code was stolen from the 'free_python_bible_api' repository on GitHub.
# https://github.com/MatthiasELISEE/free_python_bible_api/blob/master/free_bible_api.py

import re
from collections import OrderedDict

import xmltodict

bible = "!failed"


def set_bible(file_name):
    global bible
    try:
        with open(file_name) as fd:
            bible = xmltodict.parse(fd.read())
            bible = bible["osis"]["osisText"]["div"]
    except KeyError:
        raise Exception("Your xml OSIS bible is not correctly formatted.")


# only works for french and english without accents
def osisID_from_reference(reference):
    reference = reference.replace(" ", "").lower()
    parts = re.search("(\d?[a-z]+)(\d+)[:,.](\d+)", reference)
    book = parts.group(1)
    osis_chapter = parts.group(2)
    osis_verse = parts.group(3)

    # Esther not at the right place, but is just before Ezra
    # James not at the right place, but is just after Luke

    if "gen" in book:
        osis_book = "Gen"
    elif "exo" in book:
        osis_book = "Exod"
    elif "lev" in book:
        osis_book = "Lev"
    elif "deut" in book:
        osis_book = "Num"
    elif "jos" in book:
        osis_book = "Josh"
    elif "jug" in book or "judg" in book:
        osis_book = "Judg"
    elif "ruth" in book:
        osis_book = "Ruth"
    elif "1s" in book:
        osis_book = "1Sam"
    elif "2s" in book:
        osis_book = "2Sam"
    elif "1k" in book or "1r" in book:
        osis_book = "1Kgs"
    elif "2k" in book or "2r" in book:
        osis_book = "2Kgs"
    elif "1ch" in book:
        osis_book = "1Chr"
    elif "2ch" in book:
        osis_book = "2Chr"
    elif book.startswith("est"):
        osis_book = "Esth"
    elif book.startswith("e"):
        osis_book = "Ezra"
    elif book.startswith("n"):
        osis_book = "Neh"
    elif "job" in book:
        osis_book = "Job"
    elif book.startswith("ps"):
        osis_book = "Ps"
    elif book.startswith("pr"):
        osis_book = "Prov"
    elif "ecc" in book:
        osis_book = "Eccl"
    elif "song" in book or "cant" in book:
        osis_book = "Song"
    elif "isa" in book or "esa" in book:
        osis_book = "Isa"
    elif "jer" in book:
        osis_book = "Jer"
    elif "lam" in book:
        osis_book = "Lam"
    elif "eze" in book:
        osis_book = "Ezek"
    elif "dan" in book:
        osis_book = "Dan"
    elif book.startswith("ho") or book.startswith("os"):
        osis_book = "Hos"
    elif book.startswith("jo"):
        osis_book = "Joel"
    elif book.startswith("am"):
        osis_book = "Amos"
    elif book.startswith("ob"):
        osis_book = "Obad"
    elif book.startswith("mi"):
        osis_book = "Mic"
    elif "nah" in book:
        osis_book = "Nah"
    elif "hab" in book:
        osis_book = "Hab"
    elif "ph" in book and not book.startswith("ph"):
        osis_book = "Zeph"
    elif book.startswith("agg") or book.startswith("hag"):
        osis_book = "Hag"
    elif book.startswith("z"):
        osis_book = "Zech"
    elif book.startswith("ma"):
        osis_book = "Mal"

    elif book.startswith("mt") or book.startswith("mat"):
        osis_book = "Matt"
    elif book.startswith("ma"):
        osis_book = "Mark"
    elif book.startswith("lu"):
        osis_book = "Luke"
    elif book.startswith("ja"):
        osis_book = "Jas"
    elif book.startswith("j"):
        osis_book = "John"
    elif book.startswith("a"):
        osis_book = "Acts"
    elif book.startswith("ro") or book.startswith("rm"):
        osis_book = "Rom"
    elif book.startswith("1c"):
        osis_book = "1Cor"
    elif book.startswith("2c"):
        osis_book = "2Cor"
    elif book.startswith("g"):
        osis_book = "Gal"
    elif book.startswith("e"):
        osis_book = "Eph"
    elif "pp" in book:
        osis_book = "Phil"
    elif book.startswith("c"):
        osis_book = "Col"
    elif book.startswith("1th"):
        osis_book = "1Thess"
    elif book.startswith("2th"):
        osis_book = "2Thess"
    elif "1t" in book:
        osis_book = "1Tim"
    elif "2t" in book:
        osis_book = "2Tim"
    elif book.startswith("t"):
        osis_book = "Titus"
    elif book.startswith("p"):
        osis_book = "Phlm"
    elif book.startswith("h"):
        osis_book = "Heb"
    elif book.startswith("1p"):
        osis_book = "1Pet"
    elif book.startswith("2p"):
        osis_book = "2Pet"
    elif book.startswith("1"):
        osis_book = "1John"
    elif book.startswith("2"):
        osis_book = "2John"
    elif book.startswith("3"):
        osis_book = "3John"
    elif book.startswith("j"):
        osis_book = "Jude"
    elif book.startswith("r"):
        osis_book = "Rev"

    return osis_book + "." + osis_chapter + "." + osis_verse


def text_from_osisID(osisID):
    global bible
    if bible == "!failed":
        raise IOError(
            "You forgot to set the bible using the set_bible function. Sorry."
        )
    book_trigger = False
    chapter_trigger = False
    verse_trigger = False

    returned = ""

    for book in bible:
        if book["@osisID"] == osisID:
            book_trigger = True

        # Workaround for 1-chapter books
        if type(book["chapter"]) == OrderedDict:
            chapters = [book["chapter"]]
        else:
            chapters = book["chapter"]

        for chapter in chapters:
            # Workaround to solve the problem of the preceding workaround
            if type(chapter) != OrderedDict:
                chapter = chapter[0]

            if chapter["@osisID"] == osisID:
                chapter_trigger = True

            # But there's no 1-verse chapter lmbo
            for verse in chapter["verse"]:
                if verse["@osisID"] == osisID:
                    verse_trigger = True

                if verse_trigger or chapter_trigger or book_trigger:
                    returned += verse["#text"] + "\n"

                verse_trigger = False
            chapter_trigger = False
        book_trigger = False

    if returned == "":
        return "!failed"
    return returned


def text_from_reference(reference):
    return reference + " : " + text_from_osisID(osisID_from_reference(reference))


def text_from_references(reference):
    reference_list = reference.split(";")
    osisID_list = [osisID_from_reference(r) for r in reference_list]
    splitted_references = []

    for r in reference_list:
        rs = r.split("-")
        if len(rs) < 2:
            continue
        elif len(rs) > 2:
            raise IOError("There are too much '-'")
        else:
            end = int(float(rs[1]))
            osisID_start = osisID_from_reference(rs[0])
            osisID = osisID_start.split(".")
            start = int(float(osisID[2]))
            del osisID[2]
            for i in range(start, end + 1):
                splitted_references.append(
                    "".join([osisID[0]] + [" "] + [osisID[1]] + [":"] + [str(i)])
                )
        reference_list.remove(r)

    reference_list = splitted_references + reference_list
    return "".join(text_from_reference(str(s)) for s in reference_list)


# using it with node https://ourcodeworld.com/articles/read/286/how-to-execute-a-python-script-and-retrieve-output-data-and-errors-in-node-js