from lnx.logicnode.lnx_nodes import *


class DrawImageNode(LnxLogicTreeNode):
    """Draws an image.

    @input Draw: Activate to draw the image on this frame. The input must
        be (indirectly) called from an `On Render2D` node.
    @input Image: The filename of the image.
    @input Color: The color that the image's pixels are multiplied with.
    @input Left/Center/Right: Horizontal anchor point of the image.
        0 = Left, 1 = Center, 2 = Right
    @input Top/Middle/Bottom: Vertical anchor point of the image.
        0 = Top, 1 = Middle, 2 = Bottom
    @input X/Y: Position of the anchor point in pixels.
    @input Width/Height: Size of the image in pixels.
    @input Angle: Rotation angle in radians. Image will be rotated cloclwiswe
        at the anchor point.

    @output Out: Activated after the image has been drawn.

    @see [`kha.graphics2.Graphics.drawImage()`](http://kha.tech/api/kha/graphics2/Graphics.html#drawImage).
    """
    bl_idname = 'LNDrawImageNode'
    bl_label = 'Draw Image'
    lnx_section = 'draw'
    lnx_version = 2

    def lnx_init(self, context):
        self.add_input('LnxNodeSocketAction', 'Draw')
        self.add_input('LnxStringSocket', 'Image File')
        self.add_input('LnxColorSocket', 'Color', default_value=[1.0, 1.0, 1.0, 1.0])
        self.add_input('LnxIntSocket', '0/1/2 = Left/Center/Right', default_value=0)
        self.add_input('LnxIntSocket', '0/1/2 = Top/Middle/Bottom', default_value=0)
        self.add_input('LnxFloatSocket', 'X')
        self.add_input('LnxFloatSocket', 'Y')
        self.add_input('LnxFloatSocket', 'Width')
        self.add_input('LnxFloatSocket', 'Height')
        self.add_input('LnxFloatSocket', 'Angle')

        self.add_output('LnxNodeSocketAction', 'Out')

    def get_replacement_node(self, node_tree: bpy.types.NodeTree):
        if self.lnx_version not in (0, 1):
            raise LookupError()

        return NodeReplacement(
            "LNDrawImageNode", self.lnx_version,
            "LNDrawImageNode", 2,
            in_socket_mapping={0:0, 1:1, 2:2, 3:5, 4:6, 5:7, 6:8},
            out_socket_mapping={0:0},
        )