from branca.element import MacroElement

from folium.elements import JSCSSMixin
from folium.folium import Map
from folium.template import Template
from folium.utilities import get_obj_in_upper_tree, remove_empty


class StripePattern(JSCSSMixin, MacroElement):
    """Fill Pattern for polygon composed of alternating lines.

    Add these to the 'fillPattern' field in GeoJson style functions.

    Parameters
    ----------
    angle: float, default 0.5
        Angle of the line pattern (degrees). Should be between -360 and 360.
    weight: float, default 4
        Width of the main lines (pixels).
    space_weight: float
        Width of the alternate lines (pixels).
    color: string with hexadecimal, RGB, or named color, default "#000000"
        Color of the main lines.
    space_color: string with hexadecimal, RGB, or named color, default "#ffffff"
        Color of the alternate lines.
    opacity: float, default 0.75
        Opacity of the main lines. Should be between 0 and 1.
    space_opacity: float, default 0.0
        Opacity of the alternate lines. Should be between 0 and 1.

    See https://github.com/teastman/Leaflet.pattern for more information.
    """

    _template = Template("""
        {% macro script(this, kwargs) %}
            var {{ this.get_name() }} = new L.StripePattern(
                {{ this.options|tojavascript }}
            );
            {{ this.get_name() }}.addTo({{ this.parent_map.get_name() }});
        {% endmacro %}
    """)

    default_js = [
        ("pattern", "https://teastman.github.io/Leaflet.pattern/leaflet.pattern.js")
    ]

    def __init__(
        self,
        angle=0.5,
        weight=4,
        space_weight=4,
        color="#000000",
        space_color="#ffffff",
        opacity=0.75,
        space_opacity=0.0,
        **kwargs,
    ):
        super().__init__()
        self._name = "StripePattern"
        self.options = remove_empty(
            angle=angle,
            weight=weight,
            space_weight=space_weight,
            color=color,
            space_color=space_color,
            opacity=opacity,
            space_opacity=space_opacity,
            **kwargs,
        )
        self.parent_map = None

    def render(self, **kwargs):
        self.parent_map = get_obj_in_upper_tree(self, Map)
        super().render(**kwargs)


class CirclePattern(JSCSSMixin, MacroElement):
    """Fill Pattern for polygon composed of repeating circles.

    Add these to the 'fillPattern' field in GeoJson style functions.

    Parameters
    ----------
    width: int, default 20
        Horizontal distance between circles (pixels).
    height: int, default 20
        Vertical distance between circles (pixels).
    radius: int, default 12
        Radius of each circle (pixels).
    weight: float, default 2.0
        Width of outline around each circle (pixels).
    color: string with hexadecimal, RGB, or named color, default "#3388ff"
        Color of the circle outline.
    fill_color: string with hexadecimal, RGB, or named color, default "#3388ff"
        Color of the circle interior.
    opacity: float, default 0.75
        Opacity of the circle outline. Should be between 0 and 1.
    fill_opacity: float, default 0.5
        Opacity of the circle interior. Should be between 0 and 1.

    See https://github.com/teastman/Leaflet.pattern for more information.
    """

    _template = Template("""
        {% macro script(this, kwargs) %}
            var {{ this.get_name() }}_shape = new L.PatternCircle(
                {{ this.options_pattern_circle|tojavascript }}
            );
            var {{ this.get_name() }} = new L.Pattern(
                {{ this.options_pattern|tojavascript }}
            );
            {{ this.get_name() }}.addShape({{ this.get_name() }}_shape);
            {{ this.get_name() }}.addTo({{ this.parent_map }});
        {% endmacro %}
    """)

    default_js = [
        ("pattern", "https://teastman.github.io/Leaflet.pattern/leaflet.pattern.js")
    ]

    def __init__(
        self,
        width=20,
        height=20,
        radius=12,
        weight=2.0,
        color="#3388ff",
        fill_color="#3388ff",
        opacity=0.75,
        fill_opacity=0.5,
    ):
        super().__init__()
        self._name = "CirclePattern"
        self.options_pattern_circle = dict(
            x=radius + 2 * weight,
            y=radius + 2 * weight,
            weight=weight,
            radius=radius,
            color=color,
            fill_color=fill_color,
            opacity=opacity,
            fill_opacity=fill_opacity,
            fill=True,
        )
        self.options_pattern = dict(
            width=width,
            height=height,
        )
        self.parent_map = None

    def render(self, **kwargs):
        self.parent_map = get_obj_in_upper_tree(self, Map).get_name()
        super().render(**kwargs)
