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#
#  This program is free software; you can redistribute it and/or
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#  as published by the Free Software Foundation; either version 2
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#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
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#  along with this program; if not, write to the Free Software Foundation,
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# <pep8 compliant>

import bpy
import os


class AddPresetBase(bpy.types.Operator):
    '''Base preset class, only for subclassing
    subclasses must define
     - preset_values
     - preset_subdir '''
    # bl_idname = "script.preset_base_add"
    # bl_label = "Add a Python Preset"

    name = bpy.props.StringProperty(name="Name", description="Name of the preset, used to make the path name", maxlen=64, default="")

    def _as_filename(self, name): # could reuse for other presets
        for char in " !@#$%^&*(){}:\";'[]<>,./?":
            name = name.replace('.', '_')
        return name.lower()

    def execute(self, context):

        if not self.properties.name:
            return {'FINISHED'}

        filename = self._as_filename(self.properties.name) + ".py"

        target_path = bpy.utils.preset_paths(self.preset_subdir)[0] # we need some way to tell the user and system preset path

        filepath = os.path.join(target_path, filename)
        if getattr(self, "save_keyconfig", False):
            bpy.ops.wm.keyconfig_export(filepath=filepath, kc_name=self.properties.name)
            file_preset = open(filepath, 'a')
            file_preset.write("wm.active_keyconfig = kc\n\n")
        else:
            file_preset = open(filepath, 'w')
            file_preset.write("import bpy\n")

        for rna_path in self.preset_values:
            value = eval(rna_path)
            file_preset.write("%s = %s\n" % (rna_path, repr(value)))

        file_preset.close()

        return {'FINISHED'}

    def invoke(self, context, event):
        wm = context.manager
        #crashes, TODO - fix
        #return wm.invoke_props_popup(self, event)

        wm.invoke_props_popup(self, event)
        return {'RUNNING_MODAL'}


class ExecutePreset(bpy.types.Operator):
    ''' Executes a preset '''
    bl_idname = "script.execute_preset"
    bl_label = "Execute a Python Preset"

    filepath = bpy.props.StringProperty(name="Path", description="Path of the Python file to execute", maxlen=512, default="")
    preset_name = bpy.props.StringProperty(name="Preset Name", description="Name of the Preset being executed", default="")
    menu_idname = bpy.props.StringProperty(name="Menu ID Name", description="ID name of the menu this was called from", default="")

    def execute(self, context):
        # change the menu title to the most recently chosen option
        preset_class = getattr(bpy.types, self.properties.menu_idname)
        preset_class.bl_label = self.properties.preset_name

        # execute the preset using script.python_file_run
        bpy.ops.script.python_file_run(filepath=self.properties.filepath)
        return {'FINISHED'}


class AddPresetRender(AddPresetBase):
    '''Add a Render Preset'''
    bl_idname = "render.preset_add"
    bl_label = "Add Render Preset"
    name = AddPresetBase.name

    preset_values = [
        "bpy.context.scene.render.resolution_x",
        "bpy.context.scene.render.resolution_y",
        "bpy.context.scene.render.pixel_aspect_x",
        "bpy.context.scene.render.pixel_aspect_y",
        "bpy.context.scene.render.fps",
        "bpy.context.scene.render.fps_base",
        "bpy.context.scene.render.resolution_percentage",
        "bpy.context.scene.render.fields",
        "bpy.context.scene.render.field_order",
        "bpy.context.scene.render.fields_still",
    ]

    preset_subdir = "render"


class AddPresetSSS(AddPresetBase):
    '''Add a Subsurface Scattering Preset'''
    bl_idname = "material.sss_preset_add"
    bl_label = "Add SSS Preset"
    name = AddPresetBase.name

    preset_values = [
        "bpy.context.material.subsurface_scattering.back",
        "bpy.context.material.subsurface_scattering.color[0]",
        "bpy.context.material.subsurface_scattering.color[1]",
        "bpy.context.material.subsurface_scattering.color[2]",
        "bpy.context.material.subsurface_scattering.color_factor",
        "bpy.context.material.subsurface_scattering.error_tolerance",
        "bpy.context.material.subsurface_scattering.front",
        "bpy.context.material.subsurface_scattering.ior",
        "bpy.context.material.subsurface_scattering.radius[0]",
        "bpy.context.material.subsurface_scattering.radius[1]",
        "bpy.context.material.subsurface_scattering.radius[2]",
        "bpy.context.material.subsurface_scattering.scale",
        "bpy.context.material.subsurface_scattering.texture_factor",
    ]

    preset_subdir = "sss"


class AddPresetCloth(AddPresetBase):
    '''Add a Cloth Preset'''
    bl_idname = "cloth.preset_add"
    bl_label = "Add Cloth Preset"
    name = AddPresetBase.name

    preset_values = [
        "bpy.context.cloth.settings.quality",
        "bpy.context.cloth.settings.mass",
        "bpy.context.cloth.settings.structural_stiffness",
        "bpy.context.cloth.settings.bending_stiffness",
        "bpy.context.cloth.settings.spring_damping",
        "bpy.context.cloth.settings.air_damping",
    ]

    preset_subdir = "cloth"


class AddPresetSunSky(AddPresetBase):
    '''Add a Sky & Atmosphere Preset'''
    bl_idname = "lamp.sunsky_preset_add"
    bl_label = "Add Sunsky Preset"
    name = AddPresetBase.name

    preset_values = [
        "bpy.context.object.data.sky.atmosphere_turbidity",
        "bpy.context.object.data.sky.sky_blend_type",
        "bpy.context.object.data.sky.sky_blend",
        "bpy.context.object.data.sky.horizon_brightness",
        "bpy.context.object.data.sky.spread",
        "bpy.context.object.data.sky.sky_color_space",
        "bpy.context.object.data.sky.sky_exposure",
        "bpy.context.object.data.sky.sun_brightness",
        "bpy.context.object.data.sky.sun_size",
        "bpy.context.object.data.sky.backscattered_light",
        "bpy.context.object.data.sky.sun_intensity",
        "bpy.context.object.data.sky.atmosphere_inscattering",
        "bpy.context.object.data.sky.atmosphere_extinction",
    ]

    preset_subdir = "sunsky"


class AddPresetInteraction(AddPresetBase):
    '''Add an Application Interaction Preset'''
    bl_idname = "wm.interaction_preset_add"
    bl_label = "Add Interaction Preset"
    name = AddPresetBase.name
    save_keyconfig = True

    preset_values = [
        "bpy.context.user_preferences.edit.drag_immediately",
        "bpy.context.user_preferences.edit.insertkey_xyz_to_rgb",
        "bpy.context.user_preferences.inputs.select_mouse",
        "bpy.context.user_preferences.inputs.zoom_style",
        "bpy.context.user_preferences.inputs.zoom_axis",
        "bpy.context.user_preferences.inputs.view_rotation",
        "bpy.context.user_preferences.inputs.invert_zoom_direction",
        "bpy.context.user_preferences.inputs.emulate_numpad",
        "bpy.context.user_preferences.inputs.emulate_3_button_mouse",
        "bpy.context.user_preferences.inputs.continuous_mouse",
    ]

    preset_subdir = "interaction"

classes = [
    ExecutePreset,
    AddPresetRender,
    AddPresetSSS,
    AddPresetCloth,
    AddPresetSunSky,
    AddPresetInteraction]


def register():
    register = bpy.types.register
    for cls in classes:
        register(cls)


def unregister():
    unregister = bpy.types.unregister
    for cls in classes:
        unregister(cls)

if __name__ == "__main__":
    register()
