# -*- coding: utf-8 -*-
#
# Licensed under the terms of the BSD 3-Clause
# (see cdl/LICENSE for details)

"""
Test Data Plugin for DataLab
----------------------------

This plugin is an example of DataLab plugin. It provides test data samples
and some actions to test DataLab functionalities.
"""

import cdl.obj as dlo
import cdl.tests.data as test_data
from cdl.config import _
from cdl.core.computation import image as cpima
from cdl.core.computation import signal as cpsig
from cdl.plugins import PluginBase, PluginInfo

# ------------------------------------------------------------------------------
# All computation functions must be defined as global functions, otherwise
# they cannot be pickled and sent to the worker process
# ------------------------------------------------------------------------------


def add_noise_to_signal(
    src: dlo.SignalObj, p: test_data.GaussianNoiseParam
) -> dlo.SignalObj:
    """Add gaussian noise to signal"""
    dst = cpsig.dst_11(src, "add_gaussian_noise", f"mu={p.mu},sigma={p.sigma}")
    test_data.add_gaussian_noise_to_signal(dst, p)
    return dst


def add_noise_to_image(src: dlo.ImageObj, p: dlo.NormalRandomParam) -> dlo.ImageObj:
    """Add gaussian noise to image"""
    dst = cpima.dst_11(src, "add_gaussian_noise", f"mu={p.mu},sigma={p.sigma}")
    test_data.add_gaussian_noise_to_image(dst, p)
    return dst


class PluginTestData(PluginBase):
    """DataLab Test Data Plugin"""

    PLUGIN_INFO = PluginInfo(
        name=_("Test data"),
        version="1.0.0",
        description=_("Testing DataLab functionalities"),
    )

    # Signal processing features ------------------------------------------------
    def add_noise_to_signal(self) -> None:
        """Add noise to signal"""
        self.signalpanel.processor.compute_11(
            add_noise_to_signal,
            paramclass=test_data.GaussianNoiseParam,
            title=_("Add noise"),
        )

    def create_paracetamol_signal(self) -> None:
        """Create paracetamol signal"""
        obj = test_data.create_paracetamol_signal()
        self.proxy.add_object(obj)

    def create_noisy_signal(self) -> None:
        """Create noisy signal"""
        obj = self.signalpanel.new_object(add_to_panel=False)
        if obj is not None:
            noiseparam = test_data.GaussianNoiseParam(_("Noise"))
            self.signalpanel.processor.update_param_defaults(noiseparam)
            if noiseparam.edit(self.signalpanel):
                test_data.add_gaussian_noise_to_signal(obj, noiseparam)
                self.proxy.add_object(obj)

    # Image processing features ------------------------------------------------
    def add_noise_to_image(self) -> None:
        """Add noise to image"""
        self.imagepanel.processor.compute_11(
            add_noise_to_image,
            paramclass=dlo.NormalRandomParam,
            title=_("Add noise"),
        )

    def create_peak2d_image(self) -> None:
        """Create 2D peak image"""
        obj = self.imagepanel.new_object(add_to_panel=False)
        if obj is not None:
            param = test_data.PeakDataParam.create(size=max(obj.data.shape))
            self.imagepanel.processor.update_param_defaults(param)
            if param.edit(self.imagepanel):
                obj.data = test_data.get_peak2d_data(param)
                self.proxy.add_object(obj)

    def create_sincos_image(self) -> None:
        """Create 2D sin cos image"""
        newparam = self.edit_new_image_parameters(hide_image_type=True)
        if newparam is not None:
            obj = test_data.create_sincos_image(newparam)
            self.proxy.add_object(obj)

    def create_noisygauss_image(self) -> None:
        """Create 2D noisy gauss image"""
        newparam = self.edit_new_image_parameters(hide_image_type=True)
        if newparam is not None:
            obj = test_data.create_noisygauss_image(newparam)
            self.proxy.add_object(obj)

    def create_multigauss_image(self) -> None:
        """Create 2D multi gauss image"""
        newparam = self.edit_new_image_parameters(hide_image_type=True)
        if newparam is not None:
            obj = test_data.create_multigauss_image(newparam)
            self.proxy.add_object(obj)

    def create_2dstep_image(self) -> None:
        """Create 2D step image"""
        newparam = self.edit_new_image_parameters(hide_image_type=True)
        if newparam is not None:
            obj = test_data.create_2dstep_image(newparam)
            self.proxy.add_object(obj)

    def create_ring_image(self) -> None:
        """Create 2D ring image"""
        param = test_data.RingParam(_("Ring"))
        if param.edit(self.imagepanel):
            obj = test_data.create_ring_image(param)
            self.proxy.add_object(obj)

    def create_annotated_image(self) -> None:
        """Create annotated image"""
        obj = test_data.create_annotated_image()
        self.proxy.add_object(obj)

    # Plugin menu entries ------------------------------------------------------
    def create_actions(self) -> None:
        """Create actions"""
        # Signal Panel ----------------------------------------------------------
        sah = self.signalpanel.acthandler
        with sah.new_menu(_("Test data")):
            sah.new_action(_("Add noise to signal"), triggered=self.add_noise_to_signal)
            sah.new_action(
                _("Load spectrum of paracetamol"),
                triggered=self.create_paracetamol_signal,
                select_condition="always",
                separator=True,
            )
            sah.new_action(
                _("Create noisy signal"),
                triggered=self.create_noisy_signal,
                select_condition="always",
            )
        # Image Panel -----------------------------------------------------------
        iah = self.imagepanel.acthandler
        with iah.new_menu(_("Test data")):
            iah.new_action(_("Add noise to image"), triggered=self.add_noise_to_image)
            # with iah.new_menu(_("Data samples")):
            iah.new_action(
                _("Create image with peaks"),
                triggered=self.create_peak2d_image,
                select_condition="always",
                separator=True,
            )
            iah.new_action(
                _("Create 2D sin cos image"),
                triggered=self.create_sincos_image,
                select_condition="always",
            )
            iah.new_action(
                _("Create 2D noisy gauss image"),
                triggered=self.create_noisygauss_image,
                select_condition="always",
            )
            iah.new_action(
                _("Create 2D multi gauss image"),
                triggered=self.create_multigauss_image,
                select_condition="always",
            )
            iah.new_action(
                _("Create annotated image"),
                triggered=self.create_annotated_image,
                select_condition="always",
            )
            iah.new_action(
                _("Create 2D step image"),
                triggered=self.create_2dstep_image,
                select_condition="always",
            )
            iah.new_action(
                _("Create ring image"),
                triggered=self.create_ring_image,
                select_condition="always",
            )
