# Using a simply python file as settings for now 
# TODO: migrate to dynaconf

TOTAL_FLOOR_AREA_NATIONAL_AVERAGE = 70
FLOOR_HEIGHT_NATIONAL_AVERAGE = 2.45

COLUMNS_TO_MERGE_ON = [
    "PROPERTY_TYPE", 
    "BUILT_FORM", 
    "CONSTRUCTION_AGE_BAND", 
    "NUMBER_HABITABLE_ROOMS",
    "NUMBER_HEATED_ROOMS"
    ]

FULLY_GLAZED_DESCRIPTIONS = [
    "Fully double glazed",
    "High performance glazing",
    "Fully triple glazed",
    "Full secondary glazing",
    "Multiple glazing throughout",
]

FIXED_FEATURES = [
    'PROPERTY_TYPE',
    'BUILT_FORM',
    'CONSTRUCTION_AGE_BAND',
    'NUMBER_HABITABLE_ROOMS',
    'CONSTITUENCY',
    'NUMBER_HEATED_ROOMS',
    'FIXED_LIGHTING_OUTLETS_COUNT',
    'FLOOR_HEIGHT',
    'FLOOR_LEVEL',
    'TOTAL_FLOOR_AREA',
]

COMPONENT_FEATURES = [
    'TRANSACTION_TYPE',
    'WALLS_DESCRIPTION',
    'FLOOR_DESCRIPTION',
    'LIGHTING_DESCRIPTION',
    'ROOF_DESCRIPTION',
    'MAINHEAT_DESCRIPTION',
    'HOTWATER_DESCRIPTION',
    'MAIN_FUEL',
    'MECHANICAL_VENTILATION',
    'SECONDHEAT_DESCRIPTION',
    'ENERGY_TARIFF',  # Not sure if this is relevant
    'SOLAR_WATER_HEATING_FLAG',
    'PHOTO_SUPPLY',
    'WINDOWS_DESCRIPTION',
    'GLAZED_TYPE',
    'MULTI_GLAZE_PROPORTION',
    'LIGHTING_DESCRIPTION',
    'LOW_ENERGY_LIGHTING',
    'NUMBER_OPEN_FIREPLACES',
    'MAINHEATCONT_DESCRIPTION',
    'EXTENSION_COUNT',
    # 'GLAZED_AREA',  # May not need this since we have MULTI_GLAZE_PROPORTION
]

# For these fields, we take an average if we have multiple values
AVERAGE_FIXED_FEATURES = [
    "TOTAL_FLOOR_AREA",
    "FLOOR_HEIGHT"
]

# For these fields, we take the latest value if we have multiple values
# Since more recent EPCs have been conducted with more rigour, we assume that the latest value is
# the most accurate
LATEST_FIELD = [
    "NUMBER_HABITABLE_ROOMS",
    "NUMBER_HEATED_ROOMS",
    "FIXED_LIGHTING_OUTLETS_COUNT",
    "FLOOR_LEVEL",
    "CONSTRUCTION_AGE_BAND",  # This is a field we're probably want to use verisk data for
]

# If we see thee features changing, we don't use the EPC, since deem it not to be reliable
MANDATORY_FIXED_FEATURES = [
    "PROPERTY_TYPE",
    "BUILT_FORM",
    "CONSTITUENCY"
]

# For particularly old EPC data, we have inconsistent records so we'll only include EPCS that were
# conducted after 2010, since SAP09 was introduced in 2009 an later SAP12 was introduced in England
# and Wales from 31 July 2014
EARLIEST_EPC_DATE = "2014-08-01"

RDSAP_RESPONSE = "CURRENT_ENERGY_EFFICIENCY"
HEAT_DEMAND_RESPONSE = "ENERGY_CONSUMPTION_CURRENT"

def ordinal(n):
    if 10 <= n % 100 <= 20:
        suffix = 'th'
    else:
        suffix = {1: 'st', 2: 'nd', 3: 'rd'}.get(n % 10, 'th')

    return str(n) + suffix

FLOOR_LEVEL_MAP = {
    "Basement": -1,
    "Ground": 0,
    "ground floor": 0,
    "20+": 20,
    "21st or above": 21,
    **{str(i).zfill(2): i for i in range(0, 21)},
    **{ordinal(i): i for i in range(-1, 21)},
    **{str(i): i for i in range(-1, 21)},
    **{i: i for i in range(-1, 21)},
}

BUILT_FORM_REMAP = {
    "Enclosed End-Terrace": "End-Terrace",
    "Enclosed Mid-Terrace": "Mid-Terrace",
}

DATA_PROCESSOR_SETTINGS = {
    'low_memory': False,
    'epc_minimum_count': 1,
    'column_mappings': {'UPRN': [int, str]}
}