"""
Copyright (c) 2019 Matthew Lemon

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy,  modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the  Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE. """
import logging
from functools import partial
from zipfile import BadZipFile

import click
from click import version_option

from datamaps import __version__
from engine.adapters import cli as engine_cli
from engine.config import Config as engine_config
from engine.exceptions import (MalFormedCSVHeaderException,
                               NoApplicableSheetsInTemplateFiles,
                               RemoveFileWithNoSheetRequiredByDatamap)

logging.basicConfig(level=logging.INFO, format="%(asctime)s: %(levelname)s - %(message)s", datefmt='%d-%b-%y %H:%M:%S')
logger = logging.getLogger(__name__)



be_logger = logging.getLogger("engine.use_cases.parsing")

# we want to pass echo func down to bcompiler-engine
output_funcs = dict(
    click_echo_green=partial(click.secho, nl=False, fg="green"),
    click_echo_yellow=partial(click.secho, nl=False, fg="yellow"),
    click_echo_red=partial(click.secho, nl=False, fg="red"),
    click_echo_white=partial(click.secho, nl=False, fg="white"),
)


class Config:
    def __init__(self):
        self.verbose = False


pass_config = click.make_pass_decorator(Config, ensure=True)


@version_option(__version__)
@click.group()
@click.option("--verbose", is_flag=True)
@pass_config
def cli(config, verbose):
    """
    datamaps is a tool for moving data to and from spreadsheets. Documentation available
    at https://www.datamaps.twentyfoursoftware.com (comming soon).

    Please note: datamaps is beta software! Development is ongoing and the program
    is undergoing continuous change.
    """
    config.verbose = verbose


@cli.group("import")
def _import():
    """
    Import something (a batch of populated templates, a datamap, etc).
    """


@cli.group("export")
def export():
    """
    Export data from one format to another. Current functionality allows for data
    to be exported from a Master spreadsheet to one or many blank Templates.
    """


@cli.group("report")
def report():
    """Create a report"""


@_import.command()
@click.option(
    "--to-master",
    "-m",
    is_flag=True,
    default=False,
    help="Create master.xlsx immediately",
)
def templates(to_master):
    # TODO move this to cli()
    engine_config.initialise()
    click.secho(f"Hello from datamaps {__version__}", fg="yellow")
    if to_master:
        try:
            engine_cli.import_and_create_master(echo_funcs=output_funcs)
        except MalFormedCSVHeaderException as e:
            click.echo(
                click.style("Incorrect headers in datamap. {}.".format(e.args[0]), bold=True, reverse=True, fg="cyan"))
        except RemoveFileWithNoSheetRequiredByDatamap:
            logging.info("Import complete.")
        except RuntimeError as e:
            logger.critical(e)
            logger.critical("Not completing import process.")
        except NoApplicableSheetsInTemplateFiles as e:
            logger.critical("Not completing import process.")

    else:
        click.secho("Not implemented yet. Try --to-master/-m flag")


@export.command()
# @click.argument("datamap")
# @click.argument("blank")
@click.argument("master", metavar="FILE_PATH")
def master(master):
    """Export data from a Master file

    Export data from master file whose path is FILE_PATH to a series of
    blank Template files.
    """
    engine_config.initialise()

    input_dir = engine_config.PLATFORM_DOCS_DIR / "input"

    blank_fn = engine_config.config_parser["DEFAULT"]["blank file name"]
    datamap_fn = engine_config.config_parser["DEFAULT"]["datamap file name"]

    blank = input_dir / blank_fn
    datamap = input_dir / datamap_fn

#   click.secho(f"EXPORTING master {master} to templates based on {blank}...")
    be_logger.info(f"Exporting master {master} to templates based on {blank}...")

    try:
        engine_cli.write_master_to_templates(blank, datamap, master)
    except (FileNotFoundError, RuntimeError) as e:
        click.secho(str(e), fg="red")


@report.command()
@click.argument("target_file")
def data_validations(target_file):
    """Requires the path to the target spreadsheet file."""
    click.secho(f"Getting data validations from: {target_file}", fg="green")
    engine_config.initialise()
    report = engine_cli.report_data_validations_in_file(target_file)
    for r in report:
        click.secho(r)