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#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
#
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#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  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,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# ##### END GPL LICENSE BLOCK #####

# <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 = "render.preset_add"
    bl_label = "Add Render 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

        file_preset = open(os.path.join(target_path, filename), 'w')

        for rna_path in self.preset_values:
            value = eval(rna_path)
            if type(value) == str:
                value = "'%s'" % value

            file_preset.write("%s = %s\n" % (rna_path, 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 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"


classes = [
    AddPresetRender,
    AddPresetSSS,
    AddPresetCloth,
    AddPresetSunSky]


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()
