import pathlib
import click
import importlib

from rec.districts import get_districts
from data_access import Listing
import csv_exporter

dump_listings_module = importlib.import_module('1_dump_listings')
dump_detail_module = importlib.import_module('2_dump_detail')
dump_images_module = importlib.import_module('3_dump_images')
detect_floorplan_module = importlib.import_module('4_detect_floorplan')
routing_module = importlib.import_module('5_routing')

steps_to_handlers = {
    'dump_listings': dump_listings_module.dump_listings,
    'dump_detail': dump_detail_module.dump_detail,
    'dump_images': dump_images_module.dump_images,
    'detect_floorplan': detect_floorplan_module.detect_floorplan,
    'routing': routing_module.calculate_route,
}


@click.group()
@click.option(
    '--data-dir',
    default=pathlib.Path("data/rs/"),
    help='Districts to scrape',
    type=click.Path(
        writable=True,
        file_okay=False,
        dir_okay=True,
        resolve_path=True,
    ),
)
@click.pass_context
def cli(ctx, data_dir: str):
    ctx.ensure_object(dict)
    ctx.obj['data_dir'] = data_dir
    pass


@cli.command()
@click.option(
    '--district',
    default=None,
    help='Districts to scrape',
    type=click.Choice(get_districts().keys(), case_sensitive=False),
    multiple=True,
)
@click.pass_context
def dump_listings(ctx: click.core.Context, district: list[str]):
    data_dir: str = ctx.obj['data_dir']
    click.echo(
        f'Running dump_listings for districts {district} and data dir {data_dir}'
    )
    data_dir_path = pathlib.Path(data_dir)
    dump_listings_module.dump_listings(set(district), data_dir_path)


@cli.command()
@click.pass_context
def dump_detail(ctx: click.core.Context):
    data_dir = ctx.obj['data_dir']
    click.echo(f'Running dump_detail for listings stored in {data_dir}')
    listing_paths = sorted(list(pathlib.Path(data_dir).glob("*/listing.json")))
    dump_detail_module.dump_detail(listing_paths)


@cli.command()
@click.pass_context
def dump_images(ctx: click.core.Context):
    data_dir = ctx.obj['data_dir']
    click.echo(f'Running dump_images stored in {data_dir}')
    listing_paths = sorted(list(pathlib.Path(data_dir).glob("*/listing.json")))
    dump_images_module.dump_images(listing_paths)


@cli.command()
@click.pass_context
def detect_floorplan(ctx: click.core.Context):
    data_dir = ctx.obj['data_dir']
    click.echo(f'Running detect_floorplan in {data_dir}')
    listing_paths = sorted(list(pathlib.Path(data_dir).glob("*/listing.json")))
    detect_floorplan_module.detect_floorplan(listing_paths)


@cli.command()
@click.pass_context
def routing(ctx: click.core.Context):
    data_dir = ctx.obj['data_dir']
    click.echo(f'Running routing for listings in {data_dir}')
    listing_paths = sorted(list(pathlib.Path(data_dir).glob("*/listing.json")))
    routing_module.calculate_route(listing_paths)


@cli.command()
@click.option(
    '--columns',
    '-C',
    help='Columns to include in the CSV file',
    type=click.Choice(
        Listing.ALL_COLUMNS,
        case_sensitive=False,
    ),
    multiple=True,
    default=Listing.ALL_COLUMNS,
)
@click.option(
    '--output-file',
    '-O',
    help='Path to the output CSV file',
    required=True,
    type=click.Path(
        writable=True,
        file_okay=True,
        dir_okay=False,
        resolve_path=True,
    ),
)
@click.pass_context
def export_csv(ctx: click.core.Context, output_file: str, columns: tuple[str]):
    data_dir = ctx.obj['data_dir']
    click.echo(f'Exporting data to {output_file} using {data_dir=}')
    output_file_path = pathlib.Path(output_file)
    listing_paths = sorted(list(pathlib.Path(data_dir).glob("*/listing.json")))
    listings = Listing.get_all_listings(listing_paths)
    csv_exporter.export_to_csv(listings, output_file_path, list(columns))


if __name__ == '__main__':
    cli()