from flask_babel import lazy_gettext

from ..filters import BaseFilter, BaseFilterConverter


__all__ = [
    "GenericFilterConverter",
    "FilterNotContains",
    "FilterEqual",
    "FilterContains",
    "FilterIContains",
    "FilterNotEqual",
    "FilterGreater",
    "FilterSmaller",
    "FilterStartsWith",
]


class FilterContains(BaseFilter):
    name = lazy_gettext("Contains")

    def apply(self, query, value):
        return query.like(self.column_name, value)


class FilterIContains(BaseFilter):
    """
    case insensitive like
    """

    name = lazy_gettext("Contains (insensitive)")

    def apply(self, query, value):
        return query.ilike(self.column_name, value)


class FilterNotContains(BaseFilter):
    name = lazy_gettext("Not Contains")

    def apply(self, query, value):
        return query.not_like(self.column_name, value)


class FilterEqual(BaseFilter):
    name = lazy_gettext("Equal to")

    def apply(self, query, value):
        return query.equal(self.column_name, value)


class FilterNotEqual(BaseFilter):
    name = lazy_gettext("Not Equal to")

    def apply(self, query, value):
        return query.not_equal(self.column_name, value)


class FilterGreater(BaseFilter):
    name = lazy_gettext("Greater than")

    def apply(self, query, value):
        return query.greater(self.column_name, value)


class FilterSmaller(BaseFilter):
    name = lazy_gettext("Smaller than")

    def apply(self, query, value):
        return query.smaller(self.column_name, value)


class FilterStartsWith(BaseFilter):
    name = lazy_gettext("Start with")

    def apply(self, query, value):
        return query.starts_with(self.column_name, value)


class GenericFilterConverter(BaseFilterConverter):
    """
        Class for converting columns into a supported list of filters
        specific for SQLAlchemy.

    """

    conversion_table = (
        ("is_enum", [FilterEqual, FilterNotEqual]),
        (
            "is_text",
            [
                FilterContains,
                FilterIContains,
                FilterNotContains,
                FilterEqual,
                FilterNotEqual,
                FilterStartsWith,
            ],
        ),
        (
            "is_string",
            [
                FilterContains,
                FilterIContains,
                FilterNotContains,
                FilterEqual,
                FilterNotEqual,
                FilterStartsWith,
            ],
        ),
        ("is_integer", [FilterEqual, FilterNotEqual, FilterGreater, FilterSmaller]),
        ("is_date", [FilterEqual, FilterNotEqual, FilterGreater, FilterSmaller]),
    )
