import os
from unittest import mock

from threedigrid.admin.idmapper import IdMapper
from threedigrid.admin.prepare import GridAdminH5Prepare, is_prepared

from .conftest import simple_id_map

test_file_dir = os.path.join(os.path.dirname(__file__), "test_files")

grid_bck = os.path.join(test_file_dir, "gridadmin.bck")


def test_prepare_onedee_lines(h5py_file, threedi_datasource):
    IdMapper.prepare_mapper(h5py_file, threedi_datasource)
    GridAdminH5Prepare.prepare_onedee_lines(h5py_file, threedi_datasource)
    # check some special fixed types
    assert h5py_file["lines"]["code"].dtype == "S32"
    assert h5py_file["lines"]["display_name"].dtype == "S64"
    assert is_prepared(h5py_file, "lines", "lines_prepared")


def test_prepare_lines(h5py_file, threedi_datasource):
    IdMapper.prepare_mapper(h5py_file, threedi_datasource)
    GridAdminH5Prepare.prepare_lines(h5py_file, threedi_datasource)
    assert is_prepared(h5py_file, "lines", "lines_prepared")


def test_prepare_onedee_nodes(h5py_file_mapper):
    h5py_file, threedi_datasource = h5py_file_mapper
    GridAdminH5Prepare.prepare_onedee_nodes(h5py_file, threedi_datasource)
    assert is_prepared(h5py_file, "nodes", "connectionnodes_prepared")
    assert is_prepared(h5py_file, "nodes", "manholes_prepared")
    connection_nodes_field_names = {"initial_waterlevel", "storage_area"}
    assert connection_nodes_field_names.issubset(h5py_file["nodes"].keys())


def test_prepare_nodes(h5py_file_mapper):
    h5py_file, threedi_datasource = h5py_file_mapper
    GridAdminH5Prepare.prepare_nodes(h5py_file, threedi_datasource)
    assert is_prepared(h5py_file, "nodes", "prepared")
    assert {"id", "content_pk", "seq_id", "coordinates"}.issubset(
        h5py_file["nodes"].keys()
    )


def test_prepare_pumps(h5py_file_mapper):
    h5py_file, threedi_datasource = h5py_file_mapper
    # need to prepare onedee_nodes before we can prepare pumps
    GridAdminH5Prepare.prepare_onedee_nodes(h5py_file, threedi_datasource)
    GridAdminH5Prepare.prepare_pumps(h5py_file, threedi_datasource)
    assert is_prepared(h5py_file, "pumps", "prepared")
    pumpstations_field_names = {
        "display_name",
        "start_level",
        "lower_stop_level",
        "capacity",
        "connection_node_start_pk",
        "connection_node_end_pk",
        "zoom_category",
    }
    assert pumpstations_field_names.issubset(h5py_file["pumps"].keys())


def test_prepare_levees(h5py_file_mapper):
    h5py_file, threedi_datasource = h5py_file_mapper
    GridAdminH5Prepare.prepare_levees(h5py_file, threedi_datasource)
    assert is_prepared(h5py_file, "levees", "prepared")
    levees_field_names = {"coords", "crest_level", "max_breach_depth", "id"}
    assert levees_field_names.issubset(h5py_file["levees"].keys())


@mock.patch("threedigrid.admin.idmapper.get_id_map")
def test_prepare_breaches(mocked_id_map, h5py_file, threedi_datasource):
    id_map = simple_id_map()
    id_map[13] = {0: 1, 1: 1, 2: 1}
    mocked_id_map.return_value = id_map
    IdMapper.prepare_mapper(h5py_file, threedi_datasource)
    GridAdminH5Prepare.prepare_breaches(h5py_file, threedi_datasource)
    assert is_prepared(h5py_file, "breaches", "prepared")
    breaches_field_names = {
        "id",
        "seq_ids",
        "content_pk",
        "kcu",
        "coordinates",
    }
    assert breaches_field_names.issubset(h5py_file["breaches"].keys())


@mock.patch("threedigrid.admin.idmapper.get_id_map")
def test_prepare(mocked_id_map, h5py_file, threedi_datasource):
    # breaches fix
    id_map = simple_id_map()
    id_map[13] = {0: 1}
    mocked_id_map.return_value = id_map
    GridAdminH5Prepare.prepare(h5py_file, threedi_datasource)
    assert is_prepared(h5py_file, "lines", "lines_prepared")
    assert is_prepared(h5py_file, "nodes", "prepared")
    assert is_prepared(h5py_file, "pumps", "prepared")
    assert is_prepared(h5py_file, "levees", "prepared")
    assert is_prepared(h5py_file, "breaches", "prepared")
