"""__main__.py"""

# Standard Library
from pathlib import Path

# Local
from .api import (
    folder_proccess,
    is_file,
    list_input_files,
    pre_process_a_dictionary_file,
    proccess_a_completed_file,
    process_a_dictation_file,
    process_a_dictionary_file,
    process_a_phrases_file,
    select_file,
    select_folder,
)
from .constants import (
    COMPLETED_TYPE,
    DICTATION_TYPE,
    DICT_TYPE,
    INPUT,
    LANGUAGES,
    PHRASES_TYPE,
)
from .utility import ProcessFile, ProcessFolder


def cli_choose_work_type() -> str:
    """entry point for interactive interface"""
    option = None
    while not option in ["s", "f", "e"]:
        option = input(
            "Please select the work option:\n" "s:single file, f:folder, e:exit\n"
        )
    return option


def cli_select_files() -> ProcessFile:
    """Loops until it finds a valid input_file"""
    print("Select data file:")
    in_file = None
    level = Path()
    while not in_file:
        files = list_input_files(level)
        for n, file in enumerate(files):
            print(f"{n+1} - {file}")
        s = None
        while not s or not s.isnumeric() or not 1 <= int(s) <= len(files):
            s = input(f"Please select the file [1-{len(files)}]: ")
        selected = files[int(s) - 1]
        if is_file(selected):
            in_file = selected
        else:
            level = selected
    input_file = select_file(in_file)
    return input_file


def cli_select_folder() -> ProcessFolder:
    """Loops until it finds a valid input_folder"""
    print("Select data folder:")
    in_folder = None
    level = Path()
    while not in_folder:
        files = list_input_files(level)
        for n, file in enumerate(files):
            print(f"{n+1} - {file}")
        s = None
        while not s or not s.isnumeric() or not 1 <= int(s) <= len(files):
            s = input(f"Please select the file [1-{len(files)}]: ")
        selected = files[int(s) - 1]
        print(f"Selected {selected}")
        s = None
        while s not in ("yes", "y", "no", "n"):
            s = input("if this the folder? (yes / no, go inside) : ")
        if s in ("yes", "y"):
            in_folder = selected
        else:
            level = selected
    return select_folder(in_folder)


def cli_select_dictionay_tsv() -> bool:
    """If a dictionary file is selected, ask if the user wants to proccess it"""
    s = None
    while s not in ("y", "yes", "no", "n"):
        s = input("Do you want to Pre-Process a dictionary (y/n): ")
    r = s in ("y", "yes")
    return r


def cli_select_language(languages: list = None) -> str:
    """Selects a language for the trasnlatation"""
    if languages:
        avaliable_languages = {
            lan_id: lan
            for lan_id, lan in LANGUAGES.LanguageNames.items()
            if lan_id in languages
        }
    else:
        avaliable_languages = LANGUAGES.LanguageNames.items()
    if not avaliable_languages:
        raise ValueError("""No languages are avaliable,
        if this is a dictionay file, you must preprocess it first""")
    print("Select a language:")
    for language_id, language in avaliable_languages:
        if languages and language_id in languages:
            print(f"{language_id} - {language}")
    print("all - All languages")
    s = None
    while not s or s not in LANGUAGES.AvailableLanguages + ("all",):
        lan_codes = [lan_id for lan_id, lan in avaliable_languages] + ["all"]
        s = input(f"Please select the language {', '.join(lan_codes)}: ")
    return s


def main():
    """CLI interface for the module"""
    while True:
        option = cli_choose_work_type()
        if option == "e":
            break
        elif option == "s":
            input_file = cli_select_files()
            if DICT_TYPE is input_file.file_type:
                dict_selected = cli_select_dictionay_tsv()
                if dict_selected:
                    language_id = cli_select_language()
                    print(
                        f"pre-processing {DICT_TYPE} file {input_file} with language {language_id}"
                    )
                    pre_process_a_dictionary_file(input_file, language_id)
                else:
                    print(
                        f"Processing {DICT_TYPE} file {input_file} with language {language_id}"
                    )
                    language_id = cli_select_language(
                        input_file.available_dictionary_languages
                    )
                    process_a_dictionary_file(input_file, language_id)
            elif PHRASES_TYPE is input_file.file_type:
                language_id = cli_select_language()
                print(
                    f"processing {PHRASES_TYPE} file {input_file} with language {language_id}"
                )
                process_a_phrases_file(input_file, language_id)
            elif DICTATION_TYPE is input_file.file_type:
                language_id = cli_select_language()
                print(
                    f"processing {DICTATION_TYPE} file {input_file} with language {language_id}"
                )
                process_a_dictation_file(input_file, language_id)
            elif COMPLETED_TYPE is input_file.file_type:
                language_id = input_file.input_file.suffixes[1][1:]
                print(
                    f"processing {COMPLETED_TYPE} file {input_file} with language {language_id}"
                )
                proccess_a_completed_file(input_file, language_id)
            else:
                print(f"File {input_file} is not recognised")
        elif option == "f":
            language_id = cli_select_language()
            langs = (
                LANGUAGES.AvailableLanguages if language_id == "all" else [language_id]
            )
            in_folder = cli_select_folder()
            for language_id in langs:
                print(f"Selected: {in_folder} with language {language_id}")
                for dirpath, dirnames, filenames in tuple(
                    in_folder.absolute_input_folder.walk()
                )[1:]:
                    if not dirnames and filenames:
                        folder = select_folder(dirpath.relative_to(INPUT))
                        folder_proccess(folder, language_id=language_id)


if __name__ == "__main__":
    main()